GE - General Electric General Electric NF97D070T4BR 4-Ton User Manual

31-5001163 Rev. 0 10-25

READ CAREFULLY.

KEEP THESE INSTRUCTIONS

Service

Manual

NF97D***T**R

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GE is a trademark of the General Electric Company. Manufactured under trademark license.

Contact GE Appliances at:

+RPHRZQHUGEAppliances.com

+9$&3URGEAppliancesAirandWater.com

866.814.3633

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AHRIDirectory.org

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31-5001163 Rev. 0

General Information

WARNING

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WARNING

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CAUTION

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31-5001163 Rev. 0

MODEL NUMBER GUIDE

PHYSICAL AND ELECTRICAL DATA

Model

1st Stage 2nd Stage

AFUE

(ICS)

Nominal

Cooling

Capacity

Gas

Inlet

(in.)

Volts/

Hz/

Phase

Min. Time

Delay

Breaker

or Fuse

Nominal

F.L.A.

Trans.

(V.A.)

Approx.

Shipping

Weight

(lbs.)

Input

(Btuh)

Output*

(Btuh)

Input

(Btuh)

Output*

(Btuh)

8SÀRZ+RUL]RQWDO

1)'7%5     97.0 3 1/2 120-60-1 15 6.4 40 124

1)'7%5     97.0 4 1/2 120-60-1 15 9.3 40 138

1)'7&5     97.0 5 1/2 120-60-1 15 9.3 40 153

1)'7&5     97.0 5 1/2 120-60-1 20 12.3 40 164

NOTE: )RUYHQWOHQJWKDQGFOHDUDQFHVWRFRPEXVWLEOHVSOHDVHUHIHUHQFHLQVWDOODWLRQLQVWUXFWLRQV

MAJOR/MINOR REVISION

REFRIGERANT

R - R454B COMPATIBLE

CABINET WIDTH

%´

&´

NOMINAL CFM

&)0

&)0

&)0

DESIGN VARIANT

77:267$*(

BRAND

1*(

PRODUCT

))851$&(*$6

AFUE

 ()),&,(1&<

APPLICATION

''2:1)/2:

HEATING INPUT (1000 BTU/HR)



N F 97

D T

5 C

110

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Descriptor

Disposable Filters Cleanable Filters

Minimum Area

(sq. in.)

Minimum Area

(sq.in.)

3 576 288

4 768 384

5 960 480

FILTER REQUIREMENT DATA

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31-5001163 Rev. 0

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NF97D045T3BR BBLOWER PERFORMANCE (Less Filter)

NF97D070T4BR BLOWER PERFORMANCE (Less Filter)

External Static

Pressure in.

ZJ

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High (Black)

Medium-High

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Medium (Blue)

0HGLXP/RZ

<HOORZ

/RZ5HG

cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts

0.00 1466 371 1313 266 1198 207 963 119 902 97

0.10 1434 383 1275 277 1169 217 921 126 860 106

0.20 1401 395 1237 288 1140 227 879 134 817 115

0.30 1363 398 1211 297 1101 238 833 140 773 122

0.40 1300 383 1179 308 1070 243 798 151 733 131

0.50 1228 367 1151 316 1036 256 755 156 692 136

0.60 1146 343 1105 319 1005 263 710 163 645 144

0.70 1058 318 1038 309 971 272 672 170 598 154

0.80 930 286 942 284 909 272 614 179 557 158

0.90 807 251 811 251 799 251 569 184 518 163

1.00 645 222 669 224 630 216 532 189 473 169

External Static

Pressure in.

ZJ

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Medium-High

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Medium (Blue)

0HGLXP/RZ

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/RZ5HG

cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts

0.00 1743 468 1546 327 1377 231 1271 187 1055 105

0.10 1709 485 1510 339 1336 240 1226 196 991 114

0.20 1675 501 1474 350 1294 249 1180 204 927 122

0.30 1638 513 1437 362 1244 261 1127 215 863 130

0.40 1601 529 1386 376 1187 270 1082 226 797 139

0.50 1563 541 1353 388 1139 282 1033 232 727 147

0.60 1511 539 1310 401 1100 293 979 245 661 155

0.70 1445 525 1272 410 1048 304 940 255 604 159

0.80 1339 499 1234 421 1013 313 862 264 531 174

0.90 1243 470 1161 424 952 326 811 272 481 182

1.00 1119 439 1092 414 907 330 763 281 435 192

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31-5001163 Rev. 0

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External Static

Pressure in.

ZJ

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High (Black)

Medium-High

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Medium (Blue)

0HGLXP/RZ

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/RZ5HG

cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts

0.00 2211 681 1962 459 1799 351 1679 302 1494 214

0.10 2174 694 1920 474 1754 365 1631 312 1441 225

0.20 2136 706 1877 488 1709 379 1583 322 1387 237

0.30 2095 718 1832 500 1658 391 1530 332 1323 247

0.40 2058 734 1792 512 1617 403 1487 345 1276 256

0.50 2006 742 1745 525 1570 413 1433 354 1223 265

0.60 1940 727 1704 538 1523 426 1379 368 1168 276

0.70 1863 702 1665 550 1479 436 1340 377 1110 290

0.80 1765 669 1622 563 1439 445 1288 388 1061 293

0.90 1673 642 1582 572 1398 454 1254 397 1013 304

1.00 1559 599 1522 568 1354 466 1214 407 949 311

External Static

Pressure in.

ZJ

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High (Black)

Medium-High

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Medium (Blue)

0HGLXP/RZ

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cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts

0.00 1792 429 1553 294 1420 225 1348 194 1228 146

0.10 1750 446 1520 308 1389 240 1306 206 1179 158

0.20 1708 463 1487 323 1359 254 1265 217 1130 171

0.30 1685 477 1456 339 1326 264 1228 230 1090 182

0.40 1630 478 1421 350 1274 281 1192 239 1046 192

0.50 1558 462 1394 363 1246 291 1157 251 989 202

0.60 1458 432 1354 373 1209 300 1114 264 952 210

0.70 1371 408 1312 381 1177 314 1079 271 913 220

0.80 1231 368 1234 366 1138 324 1038 282 861 230

0.90 1118 343 1093 336 1093 327 997 291 843 237

1.00 1008 315 976 309 987 306 952 292 794 242

NF97D090T4CR BLOWER PERFORMANCE (Less Filter)

NF97D110T5CR BLOWER PERFORMANCE (Less Filter)

3DJH

31-5001163 Rev. 0

Accessory List

Description Catalog Number

'RZQÀRZ&RPEXVWLEOH)ORRULQJ%DVH

´%:LGWK 0

´&:LGWK 0

Concentric Vent Kit (90% Furnaces only) US Only

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Flush Mount Termination (90% Furnaces only)

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Refrigerant Detection System

5'66HQVRU.LW'RZQÀRZ 29Z35

Transformer (75VA)

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27J32

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Model

Natural to LP/

Propane

High Altitude Natural

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High Altitude LP/

3URSDQH%XUQHU2UL¿FH

Kit

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0 - 7500 ft (0 - 2286m)

7501 - 10000 ft (2286 -

3048m)

7501 - 10000 ft (2286 -

3048m)

4501 - 7500 ft (1371 -

2286m)

7501 - 10000 ft

(2286 - 3048m)

045

. : .

14A51 14A53

070 14A48 14A54

090 14A54 14A53

110 % 14A45

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3DJH

31-5001163 Rev. 0

Figure 1.

Parts Arrangement

CONTROL BOX

(Includes integrated control,

transformer and door switch)

BAG ASSEMBLY

(shipping location)

CONSTANT

TORQUE BLOWER

MOTOR

(hidden)

OUTER

ACCESS

PANELS

COMBUSTION

AIR INDUCER

BURNER BOX ASSEMBLY

(includes sensor, rollout switches and ignitor)

GAS VALVE

BLOWER DECK

COLD END HEADER BOX

PRIMARY LIMIT

HEAT EXCHANGER

ASSEMBLY

COMBUSTION AIR INDUCER

PRESSURE SWITCH

3DJH

31-5001163 Rev. 0

Service Information

ELECTRICAL

ELECTROSTATIC DISCHARGE (ESD)

Precautions and Procedures

CAUTION

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1)'75 XQLW FRPSRQHQWV DUH VKRZQ LQ Figure 1.

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FRPSRQHQWVDUHLQWKHFRQWUROER[Figure 2IRXQGLQWKH

EORZHUVHFWLRQ

Control Box Components

Figure 2. Control Box

Transformer (T1)

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Circuit Breaker (CB8)

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EXWWRQRQWKHIDFH6HHFigure 3.

Figure 3. Circuit Breaker (CB8)

Integrated Ignition Control (A92)

WARNING

Shock hazard.

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Figure 5ZLWKFRQWUROSLQGHVLJQDWLRQVLQTable 1DQGLJQLWRU

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,JQLWLRQ

&RQWURO

,QWHUORFN

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3DJH

31-5001163 Rev. 0

Service Information

ELECTRICAL(Cont.)

Table 1. 5-Pin Terminal Designations

WARNING

Electric Shock Hazard.

Can cause injury or death. Unit must be properly

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WARNING

Fire Hazard.

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Electronic Ignition

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1/4” Quick Connect Terminals

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3/16” Quick Connect Terminals

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7DSV

3DJH

31-5001163 Rev. 0

Service Information

Thermostat Input Terminals

: /RZ6WDJH+HDW

: +LJK6WDJH+HDW

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DH 'HKXPLGL¿FDWLRQ8QXVHG

H 9DF+XPLGL¿HU8QXVHG

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'6 'HKXP+DUPRQ\:KHQ:LV&OLSSHG

Table 2.

/RZ*:3,QWHUIDFH

/*:3 /RZ*:36HQVRU,QWHUIDFH

/*:3 /RZ*:36HQVRU,QWHUIDFH

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Table 3.

Figure 4. Integrated Control

ELECTRICAL (Cont.)

3DJH

31-5001163 Rev. 0

Service Information

Table 4.

DIAGNOSTIC CODES / STATUS OF FURNACE CODE

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*DV+HDW6HFRQG2Q6HFRQG2ႇ3DXVH&IP'LVSOD\HG

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ERROR/FAULT CONDITION CODE

1R(UURULQWKH0HPRU\ (

Electrical Faults (Wait For Recovery)

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)DLOXUH

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Hard Lockout Fault

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/RZ3UHVVXUH6Z)DLOHGWR&ORVH6WXFN2SHQ (

/RZ3UHVVXUH6Z)DLOHGWR2SHQ6WXFN&ORVHG (

+LJK3UHVVXUH6Z)DLOHGWR&ORVH6WXFN2SHQ (

+LJK3UHVVXUH6Z)DLOHGWR2SHQ6WXFN&ORVHG (

/RZ3UHVVXUH6ZLWFK2SHQHGLQ5XQRU7), (

)ODPH6HQVH2XWRI6HTXHQFH6WLOO3UHVHQW (

3ULPDU\/LPLW6ZLWFK2SHQHG (

3DJH

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Service Information

Table 4. (Cont.)

DIAGNOSTIC CODES / STATUS OF FURNACE (Cont.) CODE

Soft Lockout Faults (60 Minutes) Code

*DV9DOYH5HOD\VWRUQG6WDJH&RQWDFW6KRUWHG (

+RW6XUIDFH,JQLWRU+6,6HQVHG2SHQ (

6RIW/RFNRXW)ODPH)DLOXUHRQ,JQLWLRQ,JQLWLRQ5HWU\!0D[/DVW

)DLOHG5HWU\'XHWR)ODPH)DLOXUH

(

6RIW/RFNRXW3UHVVXUH6ZLWFK2SHQ,JQLWLRQ5HWU\!0D[/DVW

)DLOHG5HWU\'XHWR/36:2SHQ

(

6RIW/RFNRXW3UHVVXUH6ZLWFK2SHQLQ5XQ0RGH+HDWLQJ

5HF\FOHV!0D[/DVW)DLOHG5HWU\'XH7R/SVZ2SHQ

(

6RIW/RFNRXW)ODPH)DLOXUHLQ5XQ0RGH+HDWLQJ5HF\FOHV!0D[

/DVW)DLOHG5HWU\'XHWR/RVVRI)ODPH

(

6RIW/RFNRXW/LPLW2SHQ!0LQXWHV (

6RIW/RFNRXW)ODPH2XWRI6HTXHQFHDQGLV*RQH (

,JQLWRU&LUFXLW)DXOW)DLOHG,JQLWRURU7ULJJHULQJ&LUFXLWU\ (

Performance Warning

3RRU*URXQG'HWHFWHG (

,JQLWLRQRQ+LJK)LUH (

/RZ)ODPH&XUUHQWLQ+HDWLQJ0RGH (

/RZ*:35HIULJHUDQW)DXOWV

5HIULJHUDQW/HDN'HWHFWHG7KHUPRVWDW/RFNRXW (

5HIULJHUDQW/HDN'HWHFWRU6HQVRU)DXOW (

5HIULJHUDQW/HDN'HWHFWRU6HQVRU)DXOW (

5HIULJHUDQW/HDN'HWHFWRU6HQVRU&RPP/RVW (

5HIULJHUDQW/HDN'HWHFWRU6HQVRU&RPP/RVW (

5HIULJHUDQW/HDN'HWHFWRU6HQVRU7\SH,QFRUUHFW (

5HIULJHUDQW/HDN'HWHFWRU6HQVRU7\SH,QFRUUHFW (

5HIULJHUDQW/HDN'HWHFWRU&RQWURO)DLOXUH (

/RZ*:37HVW (

/RZ*:35HOD\6WXFN (

3DJH

31-5001163 Rev. 0

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CONTINUOUS FAN SETTING

LOW HEAT SPEED

LOW COOL SPEED

HIGH HEAT SPEED

HIGH COOL SPEED

*45 SECOND

COOL BLOWER

OFF DELAY

2 SECOND

COOL BLOWER

OFF DELAY

COOLING BLOWER-OFF DELAY

2ND STAGE HEAT ON DELAY

7 MIN

UPSTAGE

DELAY

12 MI N

UPSTAGE

DELAY

HEATING BLOWERíOFF DELAY

60 SECOND

HTG BLOWER

OFF DELAY

120 SECOND

HTG BLOWER

OFF DELAY

180 SECOND

HTG BLOWER

OFF DELAY

90 SECOND

HTG BLOWER

OFF DELAY

THERMOSTAT SELECTION

1íSTAGE

THERMOSTAT

(TIMED STAGING)

íSEE SW #2

TWO STAGE

THERMOSTAT

íBLOWER ON DELAY í 30 SEC. FIXED

W915

2 STAGE

COMPR

1íSTG COMPRESSOR

2íSTAGE

COMPRESSOR LINK

(JUMPERS Y1 to Y2)

W915

DO NOT CUT

2íSTG COMPRESSOR

HEAT PUMP LINK

(JUMPERS R to O)

W951

(JUMPERS R to DS)

W914

W915

2 STAGE

COMPR

CUT LINK

A/C UNIT

DO NOT CUT

HEAT PUMP UNIT

CUT LINK

W951

HEAT

PUMP

W951

HEAT

PUMP

W914

DEHUM

NO SIGNATURESTAT

W/ DS CONNECTION

DO NOT CUT

SIGNATURESTAT W/

DS CONNECTION

CUT LINK

W914

DEHUM

ONíBOARD LINK

OPTION SELECTION

íPROTECTIVE PLASTIC FILM ON DIP SWITCHES MAY BE

REMOVED FOR EASE IN SETTING OF DIP SW.

í CUT ON - BOARD LINK (SOLDER TRACE) COMPLETELY THROUGH

BOTH LAYERS ON THE CONTROL BOARD

íLINKS CUT IN ERROR INSTALL A JUMPER ON THE APPROPRIATE

TERMINALS ON THE TERMINAL STRIP

* FACTORY DEFAULT

DEHUMIFICATION LINK

Figure 5. ,QWHJUDWHG&RQWURO&RQ¿JXUDWLRQ*XLGH

3DJH

31-5001163 Rev. 0

Service Information

Display $FWLRQZKHQEXWWRQUHOHDVHG

1RFKDQJHLGOH 5HPDLQLQLGOHPRGH

6ROLG³(´ (QWHUGLDJQRVWLFUHFDOPRGH

6ROLG³)´ (QWHUÀDPHVLJQDOPRGH

1RFKDQJHLPSOLHVWKHGLVSOD\ZLOOFRQWLQXHWRVKRZZKDWHYHULVFXUUHQWO\EHLQJGLVSOD\HGIRUQRUPDORSHUDWLRQEOLQNLQJGHFLPDO

DFWLYHHUURUFRGHKHDWVWDWHHWF

Table 5A. Integrated Control Diagnostic Modes

Table 5B. Integrated Diagnostic Codes/Status of Equipment

Code Diagnostic Codes/Status of Equipment Action Required to Clear and Recover

. ,GOHPRGH'HFLPDOEOLQNVDW+HUW]VHFRQG

21VHFRQG2))

C &RROLQJVWDJHVHFRQG21VHFRQG2))RU

GLVSOD\HG3DXVH5HSHDWFRGHV

G 'HKXPLGL¿FDWLRQPRGHVHFRQG21VHFRQG

2))3DXVH5HSHDW&RGHV

H *DV+HDW6WDJHVHFRQG21VHFRQG2))

RUGLVSOD\HG3DXVH5HSHDWFRGHV%OLQNLQJ

GXULQJLJQLWLRQ

K +HDWSXPSVWDJH

( /RZOLQHYROWDJH /LQH9ROWDJH/RZ9ROWDJHORZHUWKDQQDPHSODWHUDWLQJ&KHFNSRZHU

OLQHYROWDJHDQGFRUUHFW$ODUPFOHDUVVHFRQGVDIWHUIDXOWUHFRYHUHG

( /LQHYROWDJHSRODULW\UHYHUVHG 5HYHUVHOLQHSRZHUYROWDJHZLULQJ6\VWHPUHVXPHVQRUPDORSHUDWLRQ

VHFRQGVDIWHUIDXOWUHFRYHUHG

( *URXQGQRWGHWHFWHG 6\VWHPVKXWVGRZQ3URYLGHSURSHUHDUWKJURXQG6\VWHPUHVXPHV

QRUPDORSHUDWLRQVHFRQGVDIWHUIDXOWUHFRYHUHG

( +LJKOLQHYROWDJH /LQH9ROWDJH+LJK9ROWDJHKLJKHUWKDQQDPHSODWHUDWLQJ3URYLGH

SRZHUYROWDJHZLWKLQSURSHUUDQJH6\VWHPUHVXPHVQRUPDORSHUDWLRQ

VHFRQGVDIWHUIDXOWUHFRYHUHG

( /LQHYROWDJHIUHTXHQF\RXWRIUDQJH 1R+HUW]3RZHU&KHFNYROWDJHDQGOLQHSRZHUIUHTXHQF\&RUUHFW

YROWDJHDQGIUHTXHQF\SUREOHPV6\VWHPUHVXPHVQRUPDORSHUDWLRQ

VHFRQGVDIWHUIDXOWUHFRYHUHG

( /RZ9&RQWUROZLOOUHVWDUWLIWKHHUURUUHFRYHUV 9ROW3RZHU/RZ5DQJHLVWRYROWV&KHFNDQGFRUUHFW

YROWDJH&KHFNIRUDGGLWLRQDOSRZHUUREELQJHTXLSPHQWFRQQHFWHGWR

V\VWHP0D\UHTXLUHLQVWDOODWLRQRIODUJHU9$WUDQVIRUPHUWREHLQVWDOOHG

LQIXUQDFHDLUKDQGOHU&OHDUVDIWHUIDXOWUHFRYHUHG

( 3RRUJURXQGGHWHFWHG:DUQLQJRQO\ 3URYLGHSURSHUJURXQGLQJIRUXQLW&KHFNIRUSURSHUHDUWKJURXQGWRWKH

V\VWHP:DUQLQJRQO\ZLOOFOHDUVHFRQGVDIWHUIDXOWUHFRYHUHG

( &RQWUROIDLOHGVHOIFKHFNLQWHUQDOHUURUIDLOHG

KDUGZDUH:LOOUHVWDUWLIHUURUUHFRYHUV,QWHJUDWHG

FRQWUROQRWFRPPXQLFDWLQJ&RYHUVKDUGZDUHHUURUV

ÀDPHVHQVHFLUFXLWIDXOWVSLQVKRUWVHWF

+DUGZDUHSUREOHPRQWKHFRQWURO&\FOHSRZHURQFRQWURO5HSODFHLI

SUREOHPSUHYHQWVVHUYLFHDQGLVSHUVLVWHQW&ULWLFDODOHUW&OHDUHG

VHFRQGVDIWHUIDXOWUHFRYHUHG

( +DUGORFNRXW5ROORXWFLUFXLWRSHQRUSUHYLRXVO\

RSHQ

&RUUHFWFDXVHRIUROORXWWULSRUUHSODFHÀDPHUROORXWVZLWFK7HVW

IXUQDFHRSHUDWLRQ&OHDUHGDIWHUIDXOWUHFRYHUHG

( *DVYDOYHPLVZLUHG &KHFNJDVYDOYHRSHUDWLRQDQGZLULQJ&OHDUVZKHQUHSDLUHG

( *DVYDOYHFRQWUROUHOD\FRQWDFWVKRUWHG &KHFNZLULQJRQFRQWURODQGJDVYDOYH,IZLULQJLVFRUUHFWUHSODFH

FRQWURO

( *DVYDOYHVHFRQGVWDJHUHOD\IDLOXUH )XUQDFHZLOORSHUDWHRQVWVWDJHIRUUHPDLQGHURIWKHKHDWLQJ

GHPDQG:LOOFOHDUDIWHUIDXOWUHFRYHUHG,IXQDEOHWRRSHUDWHQG

VWDJHUHSODFHFRQWURO

( +RWVXUIDFHLJQLWRUVHQVHGRSHQ 0HDVXUHUHVLVWDQFHRIKRWVXUIDFHLJQLWRU5HSODFHLIRSHQRUQRWZLWKLQ

VSHFL¿HGUDQJHIRXQGLQ,205HVXPHVQRUPDORSHUDWLRQDIWHUIDXOWLV

FOHDUHG

3DJH

31-5001163 Rev. 0

Service Information

Table 5B. Integrated Diagnostic Codes/Status of Equipment (Cont.)

Code Diagnostic Codes/Status of Equipment Action Required to Clear and Recover

( /RZSUHVVXUHVZLWFKIDLOHGRSHQ &KHFNSUHVVXUHLQFKHVZFRIORZSUHVVXUHVZLWFKFORVLQJRQKHDW

FDOO0HDVXUHRSHUDWLQJSUHVVXUHLQFKHVZF,QVSHFWYHQWDQG

FRPEXVWLRQDLULQGXFHUIRUFRUUHFWRSHUDWLRQDQGUHVWULFWLRQ5HVXPHV

QRUPDORSHUDWLRQDIWHUIDXOWLVFOHDUHG

( /RZSUHVVXUHVZLWFKIDLOHGFORVHG &KHFNRSHUDWLRQRIORZSUHVVXUHVZLWFKWRVHHLILWVWXFNFORVHGRQKHDW

FDOOORQJHUWKDQVHFRQGV0HDVXUHRSHUDWLQJSUHVVXUHLQFKHV

ZF,QVSHFWYHQWDQGFRPEXVWLRQDLULQGXFHUIRUFRUUHFWRSHUDWLRQ

DQGUHVWULFWLRQ5HVXPHVQRUPDORSHUDWLRQDIWHUIDXOWLVFOHDUHG

( +LJKSUHVVXUHVZLWFKIDLOHGRSHQ &KHFNSUHVVXUHLQFKHVZFRIKLJKSUHVVXUHVZLWFKFORVLQJRQKHDW

FDOO0HDVXUHRSHUDWLQJSUHVVXUHLQFKHVZF,QVSHFWYHQWDQG

FRPEXVWLRQDLULQGXFHUIRUFRUUHFWRSHUDWLRQDQGUHVWULFWLRQ5HVXPHV

QRUPDORSHUDWLRQDIWHUIDXOWLVFOHDUHG

( +LJKSUHVVXUHVZLWFKIDLOHGFORVHG &KHFNRSHUDWLRQRIKLJKSUHVVXUHVZLWFKFORVLQJRQKHDWFDOO0HDVXUH

RSHUDWLQJSUHVVXUHLQFKHVZF,QVSHFWYHQWDQGFRPEXVWLRQ

DLULQGXFHUIRUFRUUHFWRSHUDWLRQDQGUHVWULFWLRQ5HVXPHVQRUPDO

RSHUDWLRQDIWHUIDXOWLVFOHDUHG

( /RZSUHVVXUHVZLWFKRSHQGXULQJWULDOIRULJQLWLRQRU

UXQPRGH

&KHFNSUHVVXUHLQFKHVZFRIORZSUHVVXUHVZLWFKFORVLQJRQKHDW

FDOO0HDVXUHRSHUDWLQJSUHVVXUHLQFKHVZF,QVSHFWYHQWDQG

FRPEXVWLRQDLULQGXFHUIRUFRUUHFWRSHUDWLRQDQGUHVWULFWLRQ5HVXPHV

QRUPDORSHUDWLRQDIWHUIDXOWLVFOHDUHG

( ,JQLWLRQRQ+LJK)LUH,QIRUPDWLRQ2QO\ &RGHVLVGLVSOD\HGLIORZSUHVVXUHVZLWFKIDLOVWRFORVHWKHQIXUQDFH

ZLOOVZLWFKWRKLJKVSHHGLQGXFHUWRFORVHERWKORZDQGKLJKSUHVVXUH

VZLWFKHVWKHQIXUQDFHOLJKWVRQKLJK¿UHRULIFRQWLQXRXVIDQLV

DFWLYHIXUQDFHOLJKWVRQKLJK¿UHIRUVHFRQGVWRLPSURYHKHDW

H[FKDQJHUZDUPXSWLPH

( /RZÀDPHFXUUHQW5XQPRGH &KHFNPLFURDPSHUHVRIÀDPHVHQVRUXVLQJFRQWUROGLDJQRVWLFVRU

¿HOGLQVWDOOHGPRGH&OHDQRUUHSODFHVHQVRU0HDVXUHYROWDJHRI

QHXWUDOWRJURXQGWRHQVXUHJRRGXQLWJURXQG$OHUWFOHDUVDIWHUFXUUHQW

KHDWFDOOKDVEHHQFRPSOHWHG

( )ODPHVHQVHGRXWRIVHTXHQFH)ODPHVWLOO

SUHVHQW

6KXWRႇJDV&KHFNIRUJDVYDOYHOHDN5HSODFHLIQHFHVVDU\$OHUW

FOHDUVZKHQIDXOWLVUHFRYHUHG

( /LPLWVZLWFKFLUFXLWRSHQ &KHFNIRUSURSHU¿ULQJUDWHRQIXUQDFH(QVXUHWKHUHLVQREORFNDJHLQ

KHDWHU&KHFNIRUSURSHUDLUÀRZ,IOLPLWQRWFORVHGZLWKLQPLQXWHV

XQLWZLOOJRLQWRKRXUVRIWORFNRXW5HVXPHVQRUPDORSHUDWLRQDIWHU

IDXOWLVFOHDUHG

( 6RIWORFNRXW([FHHGHGPD[LPXPQXPEHURI

UHWULHV1RÀDPHFXUUHQWVHQVHG

&KHFNIRUSURSHUJDVÀRZ(QVXUHWKDWLJQLWRULVOLJKWLQJEXUQHU&KHFN

ÀDPHVHQVRUFXUUHQW&OHDUVZKHQKHDWFDOO¿QLVKHVVXFFHVVIXOO\

( 6RIWORFNRXW([FHHGHGPD[LPXPQXPEHURI

UHWULHV/DVWUHWU\IDLOHGGXHWRWKHSUHVVXUHVZLWFK

RSHQLQJ

&KHFNSUHVVXUHLQFKHVZFRIORZSUHVVXUHVZLWFKFORVLQJRQKHDW

FDOO0HDVXUHRSHUDWLQJSUHVVXUHLQFKHVZF,QVSHFWYHQWDQG

FRPEXVWLRQDLULQGXFHUIRUFRUUHFWRSHUDWLRQDQGUHVWULFWLRQ&OHDUV

ZKHQKHDWFDOO¿QLVKHVVXFFHVVIXOO\

( 6RIWORFNRXW([FHHGHGPD[LPXPQXPEHURI

UHF\FOHV/DVWUHF\FOHGXHWRWKHSUHVVXUHVZLWFK

RSHQLQJ

&KHFNRSHUDWLRQRIORZSUHVVXUHVZLWFKWRVHHLILWLVVWXFNFORVHGRQ

KHDWFDOO&KHFNSUHVVXUHLQFKHVZFRIKLJKSUHVVXUHVZLWFKFORVLQJ

RQKHDWFDOO0HDVXUHRSHUDWLQJSUHVVXUHLQFKHVZF,QVSHFWYHQW

DQGFRPEXVWLRQDLULQGXFHUIRUFRUUHFWRSHUDWLRQDQGUHVWULFWLRQ&OHDUV

ZKHQKHDWFDOO¿QLVKHVVXFFHVVIXOO\

( 6RIWORFNRXW([FHHGHGPD[LPXPQXPEHURI

UHF\FOHV/DVWUHF\FOHGXHWRÀDPHIDLOXUH

&KHFNPLFURDPSHUHVRIÀDPHVHQVRUXVLQJFRQWUROGLDJQRVWLFVRU

¿HOGLQVWDOOHGPRGH&OHDQRUUHSODFHVHQVRU0HDVXUHYROWDJHRI

QHXWUDOWRJURXQGWRHQVXUHJRRGXQLWJURXQG&OHDUVZKHQKHDWFDOO

¿QLVKHVVXFFHVVIXOO\

( 6RIWORFNRXW([FHHGHGPD[LPXPQXPEHURI

UHF\FOHV/DVWUHF\FOHIDLOHGGXHWRWKHOLPLWFLUFXLW

RSHQLQJRUOLPLWUHPDLQHGRSHQORQJHUWKDQ

PLQXWHV

6KXWGRZQV\VWHPKRXUVRIWORFNRXW&KHFN¿ULQJUDWHDQGDLUÀRZ

&KHFNIRUEORFNDJH&OHDUVZKHQKHDWFDOO¿QLVKHVVXFFHVVIXOO\

( 6RIWORFNRXW)ODPHVHQVHGRXWRIVHTXHQFH

)ODPHVLJQDOLVJRQH

6KXWRႇJDV&KHFNIRUJDVYDOYHOHDNKRXUVRIWORFNRXW&OHDUV

ZKHQÀDPHKDVEHHQSURYHQVWDEOH

3DJH

31-5001163 Rev. 0

Service InformationService Information

Table 5B. Integrated Diagnostic Codes/Status of Equipment (Cont.)

Code Diagnostic Codes/Status of Equipment Action Required to Clear and Recover

( ,JQLWRUFLUFXLWIDXOW)DLOHGLJQLWRURUWULJJHULQJ

FLUFXLWU\

0HDVXUHUHVLVWDQFHRIKRWVXUIDFHLJQLWRU5HSODFHLIRSHQRUQRWZLWKLQ

VSHFL¿FDWLRQVKRXUVRIWORFNRXW&OHDUVZKHQÀDPHKDVEHHQSURYHQ

VWDEOH

( 5HIULJHUDQW/HDNGHWHFWHG 7KLVPD\LQGLFDWHWKHSUHVHQFHRIDOHDNDWRULQWKHLQGRRUXQLWFRLO

RIWKHHTXLSPHQWWKDWZLOOQHHGWREHUHSDLUHGIRUSURSHUDQGVDIH

V\VWHPRSHUDWLRQ$GGLWLRQDOO\LWPD\LQGLFDWHWKDWSURSHUUHIULJHUDQW

FKDUJHZLOOQHHGWREHYHUL¿HG7KLVIDXOWFDQQRWEHFOHDUHGZKLOHWKH

UHIULJHUDQWGHWHFWLRQV\VWHPVHQVRULVUHSRUWLQJWKHSUHVHQFHRIDOHDN

( 5HIULJHUDQW/HDN'HWHFWRU6HQVRUIDXOW 7KHUHIULJHUDQWGHWHFWLRQVHQVRULQWKHXQLWLVUHSRUWLQJDQLVVXH

WKDWSUHYHQWVLWIURPIXQFWLRQLQJSURSHUO\DQGUHSODFHPHQWRIWKH

VHQVRUPD\EHQHFHVVDU\7KLVIDXOWFOHDUVZKHQWKHVHQVRUQRORQJHU

UHSRUWVWKHSUHVHQFHRIDIDXOWFRQGLWLRQ(5HIULJHUDQW/HDN

'HWHFWRU6HQVRUIDXOW7KHUHIULJHUDQWGHWHFWLRQVHQVRULQWKH

XQLWLVUHSRUWLQJDQLVVXHWKDWSUHYHQWVLWIURPIXQFWLRQLQJSURSHUO\DQG

UHSODFHPHQWRIWKHVHQVRUPD\EHQHFHVVDU\7KLVIDXOWFOHDUVZKHQ

WKHVHQVRUQRORQJHUUHSRUWVWKHSUHVHQFHRIDIDXOWFRQGLWLRQ

( 5HIULJHUDQW/HDN'HWHFWRU6HQVRU

&RPPXQLFDWLRQORVWRULQYDOLGVHQVRUGLSVZLWFK

FRQ¿JXUDWLRQ212))

7KHUHPD\EHDQLVVXHZLWKWKHZLULQJKDUQHVVFRQQHFWLQJWKHVHQVRU

WRWKHIXUQDFHFRQWUROERDUGHLWKHUZLWKWKHZLULQJLWVHOIRUZLWK

WKHFRQQHFWRU&KHFNWKHZLULQJDQGWKHFRQQHFWRUIRUGDPDJHRU

LPSURSHUFRQQHFWLYLW\&KHFNWKHVHQVRUIRUGDPDJHRUREVWUXFWLRQ

RQWKHKDUQHVVSOXJ7KLVIDXOWFOHDUVZKHQFRPPXQLFDWLRQVZLWKWKH

VHQVRUKDVEHHQUHHVWDEOLVKHGEXWEORZHUODWFKHVIRUDPLQLPXPRI

PLQXWHV5HWHVWRIWKHSUHVHQFHRIIDXOWFDQEHHႇHFWHGE\SUHVVLQJ

WKH/RZ*:3WHVWEXWWRQRQWKHIXUQDFHXQLWFRQWUROERDUG7KLVPD\

DOVRLQGLFDWHLQFRUUHFW/RZ*:3GLSVZLWFKVHWWLQJV3OHDVHUHIHUWR

LQVWDOODWLRQLQVWUXFWLRQV

( 5HIULJHUDQW/HDN'HWHFWRU6HQVRU

&RPPXQLFDWLRQORVW

7KHUHPD\EHDQLVVXHZLWKWKHZLULQJKDUQHVVFRQQHFWLQJWKHVHQVRU

WRWKHIXUQDFHFRQWUROERDUGHLWKHUZLWKWKHZLULQJLWVHOIRUZLWK

WKHFRQQHFWRU&KHFNWKHZLULQJDQGWKHFRQQHFWRUIRUGDPDJHRU

LPSURSHUFRQQHFWLYLW\&KHFNWKHVHQVRUIRUGDPDJHRUREVWUXFWLRQ

RQWKHKDUQHVVSOXJ7KLVIDXOWFOHDUVZKHQFRPPXQLFDWLRQVZLWKWKH

VHQVRUKDVEHHQUHHVWDEOLVKHGEXWEORZHUODWFKHVIRUDPLQLPXPRI

PLQXWHV5HWHVWRIWKHSUHVHQFHRIIDXOWFDQEHHႇHFWHGE\SUHVVLQJ

WKH/RZ*:3WHVWEXWWRQRQWKHIXUQDFHXQLWFRQWUROERDUG

( 5HIULJHUDQW/HDN'HWHFWRU6HQVRUW\SHLQFRUUHFW 7KHVHQVRULVRIDW\SHQRWVXLWDEOHIRUXVHLQWKHDSSOLFDWLRQ

5HSODFHWKHVHQVRUZLWKD$OOLHGDSSURYHGUHSODFHPHQWSDUW7KLVIDXOW

FOHDUVZKHQDVHQVRUVXLWDEOHIRUWKHDSSOLFDWLRQLVGHWHFWHGE\WKH

IXUQDFHFRQWUROERDUGEXWEORZHUZLOOODWFKIRUDPLQLPXPRIPLQXWHV

5HWHVWRIWKHSUHVHQFHRIWKHIDXOWFDQEHHႇHFWHGE\SUHVVLQJWKH/RZ

*:3WHVWEXWWRQRQWKHIXUQDFHXQLWFRQWUROERDUG

( 5HIULJHUDQW/HDN'HWHFWRU6HQVRUW\SHLQFRUUHFW 7KHVHQVRULVRIDW\SHQRWVXLWDEOHIRUXVHLQWKHDSSOLFDWLRQ

5HSODFHWKHVHQVRUZLWKD$OOLHGDSSURYHGUHSODFHPHQWSDUW7KLVIDXOW

FOHDUVZKHQDVHQVRUVXLWDEOHIRUWKHDSSOLFDWLRQLVGHWHFWHGE\WKH

IXUQDFHFRQWUROERDUGEXWEORZHUZLOOODWFKIRUDPLQLPXPRIPLQXWHV

5HWHVWRIWKHSUHVHQFHRIWKHIDXOWFDQEHHႇHFWHGE\SUHVVLQJWKH/RZ

*:3WHVWEXWWRQRQWKHIXUQDFHXQLWFRQWUROERDUG

( )XUQDFH&RQWURO%RDUG)DLOXUH 7KHUHLVDQLVVXHZLWKWKHIXUQDFHFRQWUROERDUGSUHYHQWLQJWKH

IXUQDFHIURPRSHUDWLQJSURSHUO\7KLVPD\UHTXLUHWKHUHSODFHPHQW

RIWKHLQGRRUXQLWFRQWUROERDUG7KLVIDXOWFOHDUVZKHQWKHIXUQDFH

FRQWUROOHURSHUDWHVQRUPDOO\

( /RZ*:37HVW /RZ*:37HVWPRGHDFWLYDWHVE\PDQXDOO\HQJDJLQJ/RZ*:3WHVW

EXWWRQ1RUPDORSHUDWLRQVUHVXPHVDQGFRGHFOHDUVDXWRPDWLFDOO\DIWHU

PLQXWH

( /RZ*:35HOD\6WXFN 7KLVLQGLFDWHVDQLVVXHZLWKWKH/RZ*:3UHOD\LQWKHIXUQDFHFRQWURO

7KLVPD\UHTXLUHWKHUHSODFHPHQWRIWKHLQGRRUXQLWFRQWUROERDUG7KLV

IDXOWFOHDUVZKHQWKHUHOD\RSHUDWHVQRUPDOO\

3DJH

31-5001163 Rev. 0

Service Information

ELECTRICAL (Cont.)

Diagnostic LED (Figure 4)

7KHVHYHQVHJPHQWGLDJQRVWLF/('GLVSOD\VRSHUDWLQJ

VWDWXVHUURUFRGHVDQGRWKHULQIRUPDWLRQTable 4OLVWV

GLDJQRVWLF/('FRGHV

Diagnostic Push Button (Figure 4)

7KHGLDJQRVWLFSXVKEXWWRQLVORFDWHGDGMDFHQWWRWKHVHYHQ

VHJPHQWGLDJQRVWLF/('7KLVEXWWRQLVXVHGWRHQDEOH

WKH(UURU&RGH5HFDOO³(´PRGHDQGWKH)ODPH6LJQDO³)´

PRGH3UHVVWKHEXWWRQDQGKROGLWWRF\FOHWKURXJKDPHQX

RIRSWLRQV(YHU\¿YHVHFRQGVDQHZPHQXLWHPZLOOEH

GLVSOD\HG:KHQWKHEXWWRQLVUHOHDVHGWKHGLVSOD\HGLWHP

ZLOOEHVHOHFWHG2QFHDOOLWHPVLQWKHPHQXKDYHEHHQ

GLVSOD\HGWKHPHQXUHVXPHVIURPWKHEHJLQQLQJXQWLOWKH

EXWWRQLVUHOHDVHG

Error Code Recall Mode

6HOHFW´(´IURPWKHPHQXWRDFFHVVWKHPRVWUHFHQW

HUURUFRGHV6HOHFW³F´IURPWKH(UURU&RGH5HFDOOPHQXWR

FOHDUDOOHUURUFRGHV%XWWRQPXVWEHSUHVVHGDVHFRQGWLPH

ZKLOH³F´LVÀDVKLQJWRFRQ¿UPFRPPDQGWRGHOHWHFRGHV

3UHVVWKHEXWWRQXQWLODVROLG³Ł´LVGLVSOD\HGWRH[LWWKH

(UURU&RGH5HFDOOPRGH

Flame Signal Mode

6HOHFW´)´IURPWKHPHQXWRDFFHVVWKHÀDPHVLJQDOPRGH

7KHLQWHJUDWHGFRQWUROZLOOGLVSOD\WKHÀDPHFXUUHQWRQ

VHYHQVHJPHQW/('LQPLFURDPSVX$

)ODPHVLJQDOPRGHLVH[LWHGDIWHUDQ\RIWKHIROORZLQJ

3RZHULVUHVHW

3UHVVLQJDQGKROGLQJSXVKEXWWRQXQWLOKRUL]RQWDOLQHV

³Ł´DUHGLVSOD\HG

PLQXWHVDIWHUHQWHULQJWKHÀDPHVHQVHPRGH

,QWHJUDWHG&RQWURO',36ZLWFKHV

1)'75XQLWVDUHHTXLSSHGZLWKDWZRVWDJH

LQWHJUDWHGFRQWURO7KLVFRQWUROPDQDJHVLJQLWLRQWLPLQJ

KHDWLQJPRGHIDQRႇGHOD\VDQGLQGRRUEORZHUVSHHGV

EDVHGRQVHOHFWLRQVPDGHXVLQJWKHFRQWUROGLSVZLWFKHV

DQGMXPSHUV7KHFRQWUROLQFOXGHVDQLQWHUQDOIHDWXUH

ZKLFKDXWRPDWLFDOO\UHVHWVWKHLJQLWLRQFRQWUROZKHQLWKDV

EHHQORFNHGRXW$IWHURQHKRXURIFRQWLQXRXVWKHUPRVWDW

GHPDQGIRUKHDWWKLVIHDWXUHZLOOEUHDNDQGUHPDNH

WKHUPRVWDWGHPDQGWRWKHIXUQDFHDQGDXWRPDWLFDOO\UHVHW

WKHFRQWUROWRUHOLJKWWKHIXUQDFH

+HDWLQJ2SHUDWLRQ',36ZLWFK6HWWLQJV

NOTE:6ZLWFKLVQRWSRZHUHGDQGQRWXVHG6ZLWFKLQJ

IURPRQRႇZLOOQRWFKDQJHDQ\RXWSXW

6ZLWFK7KHUPRVWDW6HOHFWLRQ7KLVXQLWPD\EH

XVHGZLWKHLWKHUDVLQJOHVWDJHRUWZRVWDJHWKHUPRVWDW

7KHWKHUPRVWDWVHOHFWLRQLVPDGHXVLQJD',3VZLWFKZKLFK

PXVWEHSURSHUO\SRVLWLRQHGIRUWKHSDUWLFXODUDSSOLFDWLRQ

7KH',3VZLWFKLVIDFWRU\SRVLWLRQHGIRUXVHZLWKDWZR

VWDJHWKHUPRVWDW,IDVLQJOHVWDJHWKHUPRVWDWLVWREHXVHG

WKH',3VZLWFKPXVWEHUHSRVLWLRQHG

D6HOHFW³2))´IRUWZRVWDJHKHDWLQJRSHUDWLRQFRQWUROOHG

E\DWZRVWDJHKHDWLQJWKHUPRVWDWIDFWRU\VHWWLQJ

E6HOHFW³21´IRUWZRVWDJHKHDWLQJRSHUDWLRQFRQWUROOHGE\

DVLQJOHVWDJHKHDWLQJWKHUPRVWDW7KLVVHWWLQJSURYLGHV

DWLPHGGHOD\EHIRUHVHFRQGVWDJHKHDWLVLQLWLDWHG

6ZLWFK6HFRQG6WDJH'HOD\8VHGZLWK6LQJOH

Stage Thermostat Only) --7KLVVZLWFKLVXVHGWR

GHWHUPLQHWKHVHFRQGVWDJHRQGHOD\ZKHQDVLQJOHVWDJH

WKHUPRVWDWLVEHLQJXVHG7KHVZLWFKLVIDFWRU\VHWLQWKH

2))SRVLWLRQZKLFKSURYLGHVDPLQXWHGHOD\EHIRUH

VHFRQGVWDJHKHDWLVLQLWLDWHG,IWKHVZLWFKLVWRJJOHGWRWKH

21SRVLWLRQLWZLOOSURYLGHDPLQXWHGHOD\EHIRUHVHFRQG

VWDJHKHDWLVLQLWLDWHG7KLVVZLWFKLVRQO\DFWLYDWHGZKHQ

WKHWKHUPRVWDWVHOHFWRUMXPSHULVSRVLWLRQHGIRU6,1*/(

VWDJHWKHUPRVWDWXVH

,QGRRU%ORZHU2SHUDWLRQ',36ZLWFK6HWWLQJV

6ZLWFKHVDQG+HDWLQJ0RGH%ORZHU2ႇ'HOD\

-7KHEORZHURQGHOD\RIVHFRQGVLVQRWDGMXVWDEOH

7KHEORZHURႇGHOD\WLPHWKDWWKHEORZHURSHUDWHVDIWHU

WKHKHDWLQJGHPDQGKDVEHHQVDWLV¿HGFDQEHDGMXVWHG

E\PRYLQJVZLWFKHVDQGRQWKHLQWHJUDWHGFRQWURO7KH

XQLWLVVKLSSHGIURPWKHIDFWRU\ZLWKDEORZHURႇGHOD\RI

VHFRQGV7KHEORZHURႇGHOD\DႇHFWVFRPIRUWDQG

LVDGMXVWDEOHWRVDWLVI\LQGLYLGXDODSSOLFDWLRQV$GMXVW

WKHEORZHURႇGHOD\WRDFKLHYHDVXSSO\DLUWHPSHUDWXUH

EHWZHHQDQG)DWWKHH[DFWPRPHQWWKDWWKH

EORZHULVGHHQHUJL]HG/RQJHURႇGHOD\VHWWLQJVSURYLGH

ORZHUVXSSO\DLUWHPSHUDWXUHVVKRUWHUVHWWLQJVSURYLGH

KLJKHUVXSSO\DLUWHPSHUDWXUHVTable 6SURYLGHVWKHEORZHU

RႇWLPLQJVWKDWZLOOUHVXOWIURPGLႇHUHQWVZLWFKVHWWLQJV

7DEOH%ORZHU2ႇ+HDWLQJ0RGH'HOD\6ZLWFK6HWWLQJV

6ZLWFK&RROLQJ0RGH%ORZHU2ႇ'HOD\7KHXQLWLV

VKLSSHGIURPWKHIDFWRU\ZLWKWKHGLSVZLWFKSRVLWLRQHG2))

IRUDVHFRQGGHOD\Table 7SURYLGHVWKHFRROLQJPRGH

RႇGHOD\VHWWLQJV

7DEOH%ORZHU2ႇ&RROLQJ0RGH'HOD\6ZLWFK6HWWLQJV

%ORZHU2ႇ'HOD\VHFRQGV 6ZLWFK 6ZLWFK

90 2ႇ 2Q

)DFWRU\ 2ႇ 2ႇ

180 2Q 2ႇ

210 2Q 2Q

%ORZHU2ႇ'HOD\VHFRQGV 6ZLWFK

)DFWRU\ 2ႇ

2 2Q

3DJH

31-5001163 Rev. 0

Service InformationService Information

ELECTRICAL (Cont.)

6ZLWFKHVDQG&RQWLQXRXV)DQ0RGH&RQWLQXRXV

IDQVSHHGFDQEHFRQWUROOHGE\FKDQJLQJ',3VZLWFK

SRVLWLRQVTable 8SURYLGHV',3VZLWFKVHWWLQJVIRU

FRQWLQXRXVIDQPRGH

Table 8. Continuous Fan Mode Settings

ONBOARD LINKS

W914 Dehum

2QERDUGOLQN:LVDFOLSSDEOHFRQQHFWLRQEHWZHHQ

WHUPLQDOV5DQG'6RQWKHLQWHJUDWHGFRQWURO:PXVW

EHFXWZKHQWKHIXUQDFHLVLQVWDOOHGZLWKDWKHUPRVWDWZKLFK

IHDWXUHVKXPLGLW\FRQWURO,IWKHOLQNLVQRWFXWWHUPLQDO³'6´

ZLOOUHPDLQHQHUJL]HGQRWDOORZLQJWKHEORZHUWRUHGXFHWR

ORZFRROVSHHGXSRQDFDOOIRUGHKXPLGL¿FDWLRQ

W951 Heat Pump (R to O)

2QERDUGOLQN:LVDFOLSSDEOHFRQQHFWLRQEHWZHHQ

WHUPLQDOV5DQG2RQWKHLQWHJUDWHGFRQWURO:PXVW

EHFXWZKHQWKHIXUQDFHLVLQVWDOOHGLQDSSOLFDWLRQVZKLFK

LQFOXGHDKHDWSXPSXQLWDQGDWKHUPRVWDWZKLFKIHDWXUHV

GXDOIXHOXVH,IWKHOLQNLVOHIWLQWDFWWHUPLQDO³2´ZLOOUHPDLQ

HQHUJL]HGHOLPLQDWLQJWKH+($702'(LQWKHKHDWSXPS

W915 2 Stage Compr (Y1 to Y2)

2QERDUGOLQN:LVDFOLSSDEOHFRQQHFWLRQEHWZHHQ

WHUPLQDOV<DQG<RQWKHLQWHJUDWHGFRQWURO:PXVW

EHFXWLIWZRVWDJHFRROLQJZLOOEHXVHG,IWKH<WR<

OLQNLVQRWFXWWKHRXWGRRUXQLWZLOORSHUDWHLQVHFRQGVWDJH

FRROLQJRQO\

IMPORTANT

  ,I DQ\ RQERDUG OLQN LV FXW E\ PLVWDNH

LQVWDOODMXPSHUDFURVVWKHFRUUHVSRQGLQJWHUPLQDOVRQWKH

ORZYROWDJHWHUPLQDOVWULS'RQRWUHSODFHFRQWURO

BLOWER COMPARTMENT

IMPORTANT

(DFKEORZHULVVWDWLFDOO\DQGG\QDPLFDOO\

EDODQFHGDVDQDVVHPEO\EHIRUHLQVWDOODWLRQLQWKHXQLW

1)'75XQLWVDUHHTXLSSHGZLWKDFRQVWDQWWRUTXH

(&0PRWRU,WKDVD'&PRWRUFRXSOHGWRDQHOHFWURQLF

FRQWUROPRGXOHERWKFRQWDLQHGLQWKHVDPHPRWRUKRXVLQJ

7KHPRWRULVSURJUDPPHGWRSURYLGHFRQVWDQWWRUTXHDW

HDFKRIWKH¿YHVHOHFWDEOHVSHHGWDSV(DFKWDSUHTXLUHV

YROWVWRHQHUJL]H

Input Voltage Requirements

7KHFLUFXLWLVGHVLJQHGWREHRSHUDWHGZLWK$&YROWDJH7R

HQDEOHDWDSUHTXLUHVWR9$&([SHFWHGFXUUHQWGUDZ

ZLOOEHOHVVWKDQP$

Troubleshooting the Motor

7URXEOHVKRRWLQJWKHPRWRULVDQHDV\SURFHVV)ROORZVWHSV

EHORZ

6KXWRႇSRZHUWRXQLW

5HPRYHLQSXWSOXJV3DQG3IURPPRWRU6HH

Figure 10IRUWURXEOHVKRRWLQJSURFHGXUH

,IFRUUHFWYROWDJHLVSUHVHQWLQWHVWVDQGDQGPRWRULV

QRWRSHUDWLQJSURSHUO\UHSODFHPRWRU7KHPRWRULVQRW¿HOG

UHSDLUDEOH

,IUHSODFLQJWKHLQGRRUEORZHUPRWRURUEORZHUZKHHOLV

QHFHVVDU\SODFHPHQWLVFULWLFDO7KHEORZHUZKHHOPXVW

EHFHQWHUHGLQWKHEORZHUKRXVLQJDVVKRZQLQFigure 6.

:KHQUHSODFLQJWKHLQGRRUEORZHUPRWRUWKHVHWVFUHZPXVW

EHDOLJQHGDQGWLJKWHQHGZLWKWKHPRWRUVKDIWDVVKRZQLQ

Figure 7.

Figure 6. %ORZHU:KHHO5HSODFHPHQW

Center Blower Wheel

in Blower Housing

Continuous Fan

Mode

6ZLWFK 6ZLWFK

/RZ+HDW6SHHG

)DFWRU\

2ႇ 2ႇ

/RZ&RRO6SHHG 2ႇ 2Q

+LJK+HDW6SHHG 2Q 2ႇ

+LJK&RRO6SHHG 2Q 2Q

3DJH

31-5001163 Rev. 0

Service Information

ELECTRICAL (Cont.)

BLOWER COMPARTMENT(Cont.)

Figure 7.

Testing the Motor (Figure 8)

,IDQ\PRWRUIDLOVWKHEHORZWHVWVGRQRWLQVWDOOWKHQHZ

FRQWUROPRGXOH7KHPRWRULVGHIHFWLYHDQGLWDOVRPXVWEH

UHSODFHG7KHQHZFRQWUROFDQIDLOLISODFHGRQDGHIHFWLYH

PRWRU

8VLQJDQRKPPHWHUFKHFNWKHUHVLVWDQFHIURPDQ\RQH

RIWKHPRWRUFRQQHFWRUSLQVWRWKHDOXPLQXPHQGSODWHRI

WKHPRWRU7KLVUHVLVWDQFHVKRXOGEHJUHDWHUWKDQN

RKPV

&KHFNWKHUHVLVWDQFHVEHWZHHQHDFKRIWKHWKUHHPRWRU

FRQQHFWRUSLQV7KHVHVKRXOGDOOUHDGDSSUR[LPDWHO\WKH

VDPHUHVLVWDQFHZLWKLQDQRKP

&KHFNWRVHHLIWKHEORZHUZKHHOVSLQVIUHHO\

Figure 8. Motor Test

Motor Module Installation

$OOUHSODFHPHQWPRWRUFRQWUROPRGXOHVORRNVLPLODU

KRZHYHUHDFKPRGXOHLVGHVLJQHGIRUDVSHFL¿FPRWRUVL]H

,WLVYHU\LPSRUWDQWWRPDNHVXUHWKDW\RXDUHXVLQJWKH

FRUUHFWUHSODFHPHQWPRWRUFRQWUROPRGXOH86(2)7+(

:521*02725&21752/02'8/(0$<5(68/7,1

81(;3(&7('81,723(5$7,21

9HULI\HOHFWULFDOSRZHUWRXQLWLVGLVFRQQHFWHG

&RQQHFWWKUHHZLUHKDUQHVVIURPPRWRUWRFRQWURO

PRGXOH

0RXQWQHZPRWRUFRQWUROPRGXOH

WRPRWRUXVLQJWZRKH[KHDGEROWV

7RUTXHEROWVWRLQFKSRXQGVRU

WKFORFNWXUQDVH[DPSOHGWR

WKHULJKW

5HFRQQHFWWKHWZRKDUQHVVHVWR

WKHPRWRUFRQWUROPRGXOH

7KHHOHFWULFDOFRQQHFWRUVRIWKHPRWRUVKRXOGEH

IDFLQJGRZQWRIRUPDGULSORRS)LJXUH7KLVZLOO

GLUHFWVPRLVWXUHDZD\IURPWKHPRWRUDQGLWVHOHFWULF

FRQQHFWLRQVRQWKHPRWRU

Figure 9. Drip Loop

+RXVLQJ+XE

6HW6FUHZ

0RWRU

6KDIW

Scale Measurement Range in Words ohms

0 WZRPHJRKPVWZRPLOOLRQRKPV 

. WZRKXQGUHGNLORKPVWZRKXQGUHG

WKRXVDQGRKPV



. WZHQW\NLORRKPVWZHQW\WKRXVDQG

RKPV



. WZRNLORRKPVWZRWKRXVDQGRKPV 

200 WZRKXQGUHGRKPV 0 - 200

CONNECTOR

ORIENTATION

BETWEEN 4 AND 8

O'CLOCK

BACK OF CONTROL

MODULE

DRIP LOOP

1/16

TURN

3DJH

31-5001163 Rev. 0

"7A”

"9A”

J49

Service Information

Test 17XUQSRZHURQWRXQLW&KHFNIRUYROWV

DFURVVWHUPLQDOV³/´DQG³1´RUWHUPLQDOV³$´DQG³$´RI

FRQQHFWRU-,IYROWDJHLVSUHVHQWFRQWLQXHWRWHVW,I

YROWDJHLVQRWSUHVHQWSUREOHPPD\EHXSVWUHDPRI-

3URFHHGWRTest 3.

Test 26ZLWFKWKHUPRVWDWWRCONTINUOUS FAN MODE.

)RUXQLWVXVLQJDQGSRVLWLRQFRQQHFWRUEORFNVWHVWIRU

YROWVWHUPLQDO³&´RI-DQGWKHWDSXVHGIRUFRQWLQXRXV

IDQRQ-RU)RUXQLWVXVLQJDQGSRVLWLRQ

FRQQHFWRUVWHVWIRUYROWVEHWZHHQSLQ³$´DQGWKHSLQ

XVHGIRUFRQWLQXRXVIDQRQFRQQHFWRU-RU

Test 4LIQHFHVVDU\NOTE,JQLWLRQFRQWUROLOOXVWUDWLRQLV

W\SLFDO&KHFNIRUYROWVDFURVVWHUPLQDOV³&20´DQG

WKH³DFWLYHVSHHGWDS´RQWKHLQWHJUDWHGFRQWURO,IYROWDJH

LVSUHVHQWSUREOHPLVZLWKWKHKDUQHVV,IYROWDJHLVQRW

SUHVHQWSUREOHPPD\EHPD\EHZLWKWKHLQWHJUDWHGFRQWURO

Test 3LIQHFHVVDU\NOTE,JQLWLRQFRQWUROLOOXVWUDWLRQ

LVW\SLFDO&KHFNIRUYROWVDFURVVWHUPLQDOV³/´DQG

³1HXWUDOV´RQWKHLQWHJUDWHGFRQWURO,IYROWDJHLVSUHVHQW

SUREOHPLVZLWKWKHKDUQHVV,IYROWDJHLVQRWSUHVHQW

SUREOHPPD\EHPD\EHZLWKWKHLQWHJUDWHGFRQWURO

Multi-Meter

VHWWR9$&

Multi-Meter

VHWWR9$&

Multi-Meter

VHWWR9$&

Multi-Meter

VHWWR9$&

Figure 10.

"6A”

"2A”

3DJH

31-5001163 Rev. 0

ELECTRICAL (Cont.)

Heating Components

Ignitor

7KHLJQLWRULVPDGHRIGXUDEOHVLOLFRQQLWULGH7KHLQWHJUDWHG

FRQWUROSURYLGHVYROWVWRWKHLJQLWRUIRUDFRQVLVWHQW

LJQLWLRQDQGORQJLJQLWRUOLIH2KPYDOXHVKRXOGEHWR

6HHFigure 12IRULJQLWRUORFDWLRQDQGFigure 13IRULJQLWRU

FKHFNRXW

NOTE: 7KH1)'75IXUQDFHFRQWDLQVHOHFWURQLF

FRPSRQHQWVWKDWDUHSRODULW\VHQVLWLYH0DNHVXUHWKDWWKH

IXUQDFHLVZLUHGFRUUHFWO\DQGLVSURSHUO\JURXQGHG

Flame Sensor

$ÀDPHVHQVRULVORFDWHGRQWKHOHIWVLGHRIWKHEXUQHU

VXSSRUW6HHFigure 127KHVHQVRUWLSSURWUXGHVLQWR

WKHÀDPHHQYHORSHRIWKHOHIWPRVWEXUQHU7KHVHQVRU

FDQEHUHPRYHGIRUVHUYLFHZLWKRXWUHPRYLQJDQ\SDUWRI

WKHEXUQHUV'XULQJRSHUDWLRQÀDPHLVVHQVHGE\FXUUHQW

SDVVHGWKURXJKWKHÀDPHDQGVHQVLQJHOHFWURGH7KH

FRQWURODOORZVWKHJDVYDOYHWRUHPDLQRSHQDVORQJDV

ÀDPHVLJQDOLVVHQVHG7RFKHFNÀDPHVHQVHVLJQDOXVH

WKHSXVKEXWWRQIRXQGRQWKHLQWHJUDWHGFRQWURODQGJRWR

)LHOG7HVW0RGH7KHPHQXZLOOGLVSOD\WKHÀDPHVLJQDO

6HHTable 9IRUÀDPHVLJQDO

Table 9. Flame Signal in Microamps

Gas Valve

7KHYDOYH)LJXUHLVLQWHUQDOO\UHGXQGDQWWRDVVXUH

VDIHW\VKXWRႇ,IWKHJDVYDOYHPXVWEHUHSODFHGWKHVDPH

W\SHYDOYHPXVWEHXVHG

9$&WHUPLQDOVDQGJDVFRQWURONQREDUHORFDWHGRQWKH

YDOYH$ZLUHKDUQHVVFRQQHFWVWKHWHUPLQDOVIURPWKHJDV

YDOYHWRWKHHOHFWURQLFLJQLWLRQFRQWURO9DSSOLHGWRWKH

WHUPLQDOVHQHUJL]HVWKHYDOYH

,QOHWDQGRXWOHWSUHVVXUHWDSVDUHORFDWHGRQWKHYDOYH$

UHJXODWRUDGMXVWPHQWVFUHZLVORFDWHGRQWKHYDOYH

/3*FKDQJHRYHUNLWVDUHDYDLODEOHIURP$OOLHG.LWVLQFOXGH

EXUQHURUL¿FHVDQGDJDVYDOYH

)ODPH5ROORXW6ZLWFKHV6

)ODPHUROORXWVZLWFKLVDKLJKWHPSHUDWXUHOLPLWORFDWHGRQ

WRSRIWKHEXUQHUER[RQHRQHDFKVLGH6HHFigure 12.

7KHOLPLWLVD1&6367PDQXDOUHVHWOLPLW:KHQ6

VHQVHVUROORXWWKHFLUFXLWEUHDNVDQGWKHLJQLWLRQFRQWURO

LPPHGLDWHO\VWRSVLJQLWLRQDQGFORVHVWKHJDVYDOYH5ROORXW

FDQEHFDXVHGE\DEORFNHGH[FKDQJHUÀXHRUODFNRI

FRPEXVWLRQDLU7KHVZLWFKLVIDFWRU\VHWWRWULSRSHQDW

)DQGFDQQRWEHDGMXVWHG7KHVZLWFKFDQEHPDQXDOO\

UHVHW7RPDQXDOO\UHVHWDWULSSHGVZLWFKSXVKWKHUHVHW

EXWWRQORFDWHGRQWKHFRQWURO

Burners

$OOXQLWVXVHLQVKRWEXUQHUV%XUQHUVDUHIDFWRU\VHWDQG

UHTXLUHQRDGMXVWPHQW$OZD\VRSHUDWHWKHXQLWZLWKWKH

EXUQHUER[IURQWSDQHOLQSODFH(DFKEXUQHUXVHVDQRUL¿FH

WKDWLVSUHFLVHO\PDWFKHGWRWKHEXUQHULQSXW%XUQHUVFDQ

EHUHPRYHGDVDRQHSLHFHDVVHPEO\IRUVHUYLFH,IEXUQHU

DVVHPEO\KDVEHHQUHPRYHGLWLVFULWLFDOWRDOLJQFHQWHURI

HDFKEXUQHUWRWKHFHQWHURIWKHFODPVKHOOZKHQUHLQVWDOOLQJ

6HHPRUHGHWDLOLQ0$,17(1$1&(

Primary Limit Control (S10)

7KHSULPDU\OLPLW6LVORFDWHGLQWKHKHDWLQJYHVWLEXOH

SDQHO:KHQH[FHVVKHDWLVVHQVHGLQWKHKHDWH[FKDQJHU

WKHOLPLWZLOORSHQ,IWKHOLPLWLVRSHQWKHIXUQDFHFRQWURO

HQHUJL]HVWKHVXSSO\DLUEORZHUDQGFORVHVWKHJDVYDOYH

7KHOLPLWDXWRPDWLFDOO\UHVHWVZKHQXQLWWHPSHUDWXUH

UHWXUQVWRQRUPDO7KHVZLWFKPXVWUHVHWZLWKLQWKUHH

PLQXWHVRUWKHFRQWUROZLOOJRLQWR:DWFKJXDUGIRURQHKRXU

7KHVZLWFKLVIDFWRU\VHWDQGFDQQRWEHDGMXVWHG

7KHVZLWFKPD\KDYHDGLႇHUHQWVHWSRLQWIRUHDFKXQLW

PRGHOQXPEHU:KHQUHPRYLQJVZLWFKPDNHQRWHRI

RULHQWDWLRQ:KHQUHSODFLQJVZLWFKPDNHVXUHWKHWKUHH

PRXQWLQJKROHVDUHOLQHGXSZLWKWKHVFUHZKROHVLQWKH

YHVWLEXOHIRUFRUUHFWRULHQWDWLRQ

Figure 11. Primary Limit Control (S10)

Service Information

Normal /RZ Drop Out

RUJUHDWHU RUOHVV 0.6

0RXQWLQJ+ROH

3DJH

31-5001163 Rev. 0

ELECTRICAL (Cont.)

Service Information

Figure 12. Heating Components

,JQLWRU

,QWDNH$LU7RS&DS

*DV0DQLIROG

ZLWK2UL¿FHV

%XUQHU%R[&RYHU

7ZR6WDJH

*DV9DOYH

6HQVRU

%XUQHU

$VVHPEO\

3DJH

31-5001163 Rev. 0

Service Information

Figure 13. IGNITOR CHECKS

Test 1 - Check ignitor circuit for correct resistance.

5HPRYH+6,&$,SLQSOXJIURPFRQWURO&KHFNRKPV

UHDGLQJDFURVVWHUPLQDOVDQG,IYDOXHLVFRUUHFWWKLV

LVWKHRQO\WHVWQHHGHG,IWKHUHDGLQJRQWKHPHWHULVQRW

FRUUHFWRULQ¿QLW\WKHQDVHFRQGWHVWLVQHHGHG

Test 2 - Check ignitor for correct resistance.

6HSDUDWHWKHSLQMDFNSOXJQHDUWKHPDQLIROGDQGFKHFN

UHVLVWDQFHRILJQLWRUDWWKHSOXJ5HDGLQJVKRXOGEH

EHWZHHQDQGRKPV,IWKHUHDGLQJLVFRUUHFWWKHQWKH

SUREOHPLVZLWKWKHZLULQJEHWZHHQWKHMDFNSOXJDQGWKH

FRQWURO,IUHDGLQJLVQRWFRUUHFWWKHLVVXHLVWKHLJQLWRU

Test 3 - Check ignitor for correct voltage.

,QVHUWPHWHUSUREHVLQWRWHUPLQDOVDQGXVHVPDOO

GLDPHWHUSUREHVLQRUGHUQRWWRGDPDJHSOXJ&KHFN

YROWDJHGXULQJVHFRQGLJQLWRUZDUPXSSHULRG9ROWDJH

VKRXOGUHDGYROWV,IYROWDJHUHDGVEHORZWKHVH

YDOXHVFKHFNIRUFRUUHFWVXSSO\YROWDJHWRIXUQDFH

,QWHJUDWHG

&RQWURO

'HWDLO

,QWHJUDWHG

&RQWURO

'HWDLO

,QWHJUDWHG

&RQWURO

'HWDLO

0HWHU

VHWWR$&YROWV

0HWHU

VHWWR$&YROWV

0HWHU

VHWWR$&YROWV

1HXWUDOV

3DJH

31-5001163 Rev. 0

Service Information

ELECTRICAL (Cont.)

Heating Components (Cont.)

Combustion Air Inducer (B6) and Cold End Header Box

$OO1)'75XQLWVXVHDWZRVSHHGFRPEXVWLRQ

DLULQGXFHUWRPRYHDLUWKURXJKWKHEXUQHUVDQGKHDW

H[FKDQJHUGXULQJKHDWLQJRSHUDWLRQ7KHEORZHUXVHVD

9$&PRWRU7KHPRWRURSHUDWHVGXULQJDOOKHDWLQJ

RSHUDWLRQDQGLVFRQWUROOHGE\LQWHJUDWHGFRQWURO$7KH

LQGXFHUDOVRRSHUDWHVIRUVHFRQGVEHIRUHEXUQHULJQLWLRQ

SUHSXUJHDQGIRUVHFRQGVDIWHUWKHJDVYDOYHFORVHV

SRVWSXUJH7KHLQGXFHURSHUDWHVRQORZVSHHGGXULQJ

¿UVWVWDJHKHDWWKHQVZLWFKHVWRKLJKVSHHGIRUVHFRQG

VWDJHKHDW

7KHFRPEXVWLRQDLULQGXFHULVLQVWDOOHGRQWKHFROGHQG

KHDGHUER[&(+%7KHFROGHQGKHDGHUER[LVDVLQJOH

SLHFHPDGHRIKDUGSODVWLF7KHER[KDVDQLQWHUQDO

FKDQQHOZKHUHWKHFRPEXVWLRQDLULQGXFHUFUHDWHVQHJDWLYH

SUHVVXUHDWXQLWVWDUWXS7KHFKDQQHOFRQWDLQVDQRUL¿FH

XVHGWRUHJXODWHÀRZFUHDWHGE\WKHFRPEXVWLRQDLULQGXFHU

7KHER[KDVSUHVVXUHWDSVIRUWKHFRPEXVWLRQDLULQGXFHU

SUHVVXUHVZLWFKKRVHV7KHSUHVVXUHVZLWFKPHDVXUHVWKH

SUHVVXUHGLႇHUHQWLDODFURVVWKHFROGHQGKHDGHUER[RUL¿FH

RUGLႇHUHQFHLQWKHFKDQQHODQGWKHER[,IUHSODFHPHQWLV

QHFHVVDU\WKHJDVNHWVXVHGWRVHDOWKHER[WRWKHYHVWLEXOH

SDQHODQGWKHFRPEXVWLRQDLULQGXFHUWRWKHER[PXVWDOVR

EHUHSODFHG

$SUHVVXUHVZLWFKPHDVXUHVWKHSUHVVXUHGLႇHUHQWLDODFURVV

WKH&(+%RUL¿FHWRSURYHLQGXFHURSHUDWLRQ7KH&(+%

RUL¿FHZLOOEHGLႇHUHQWIRUHDFKPRGHO:KHQWKHSURYLQJ

VZLWFKRSHQVWKHIXUQDFHFRQWURO$LPPHGLDWHO\FORVHV

WKHJDVYDOYHWRSUHYHQWEXUQHURSHUDWLRQ

&RPEXVWLRQ$LU,QGXFHU3UHVVXUH6ZLWFK6)LJXUH

14)

1)'75VHULHVXQLWVDUHHTXLSSHGZLWKDGXDO

FRPEXVWLRQDLUSUHVVXUHVZLWFK¿UVWDQGVHFRQGVWDJH

ORFDWHGRQWKH&(+%7KHVZLWFKLVFRQQHFWHGWRWKHFROG

HQGKHDGHUER[E\PHDQVRIÀH[LEOHVLOLFRQHKRVHV,W

PRQLWRUVQHJDWLYHGLႇHUHQWLDOSUHVVXUHDFURVVWKHFROGHQG

KHDGHUER[RUL¿FH

7KHVZLWFKHVDUHDVLQJOHSROHVLQJOHWKURZSUHVVXUH

VZLWFKHVHOHFWULFDOO\FRQQHFWHGWRWKHLQWHJUDWHGFRQWURO

7KHSXUSRVHRIWKHVZLWFKHVLVWRSUHYHQWEXUQHURSHUDWLRQ

LIWKHFRPEXVWLRQDLULQGXFHULVQRWRSHUDWLQJWKHLQOHWRU

H[KDXVWSLSHVRUKHDWH[FKDQJHUDUHUHVWULFWHG

2QKHDWGHPDQG¿UVWRUVHFRQGVWDJHWKHVZLWFKVHQVHV

WKDWWKHFRPEXVWLRQDLULQGXFHULVRSHUDWLQJ,WFORVHVD

FLUFXLWWRWKHLQWHJUDWHGFRQWUROZKHQSUHVVXUHDFURVVWKH

&(+%RUL¿FHEHFRPHVJUHDWHUWKHQWKHVZLWFKVHWSRLQW

6HWSRLQWVYDU\GHSHQGLQJRQXQLWVL]H6HHTable 10%RWK

SUHVVXUHVVHQVHGE\WKHVZLWFKHVDUHQHJDWLYHUHODWLYHWR

DWPRVSKHULFSUHVVXUH,IWKHLQOHWRUH[KDXVWSLSHVRUWKH

KHDWH[FKDQJHUEHFRPHREVWUXFWHGWKHVZLWFKVHQVHVWKH

ORVVRIGLႇHUHQWLDOSUHVVXUHDQGRSHQVWKHFLUFXLWWRWKH

IXUQDFHLQWHJUDWHGFRQWURODQGJDVYDOYH$EOHHGSRUWRQ

WKHVZLWFKDOORZVUHODWLYHO\GU\DLULQWKHYHVWLEXOHWRSXUJH

VZLWFKWXELQJWRSUHYHQWFRQGHQVDWHEXLOGXS

3/16 Terminals

Low Fire Switch

High Fire Switch

1/4

" Terminals

Tap (negative - )

Tap (positive +)

Figure 14. &RPEXVWLRQ$LU,QGXFHU3UHVVXUH6ZLWFK

NOTE: 7KHVZLWFKLVIDFWRU\VHWDQGLVQRW¿HOGDGMXVWDEOH

,WLVDVDIHW\VKXWGRZQFRQWUROLQWKHIXUQDFHDQGPXVW

QRWEHE\SDVVHGIRUDQ\UHDVRQ,IVZLWFKLVFORVHGRU

E\SDVVHGWKHFRQWUROZLOOQRWLQLWLDWHLJQLWLRQDWVWDUWXS

7DEOHIW

Unit Set Point High Heat 6HW3RLQW/RZ+HDW

-045 0.74 0.41

-070 0.90 0.50

-090 0.90 0.45

-110

1.00

0.55

Table 10B. 4501’ - 7500’

Unit Set Point High Heat 6HW3RLQW/RZ+HDW

-045 0.74 0.41

-070 0.85 0.50

-090 0.75 0.45

-110

0.95

0.55

7DEOH&¶¶

Unit Set Point High Heat 6HW3RLQW/RZ+HDW

-045 0.70 0.40

-070 0.75 0.45

-090 0.70 0.40

-110

0.90

0.50

Table 10A. 0 - 4500’

3DJH

31-5001163 Rev. 0

Service Information

PLACEMENT AND INSTALLATION

3LSH)LWWLQJV6SHFL¿FDWLRQV

$OOSLSH¿WWLQJVSULPHUDQGVROYHQWFHPHQWPXVWFRQIRUP

ZLWK$PHULFDQ1DWLRQDO6WDQGDUG,QVWLWXWHDQGWKH$PHULFDQ

6RFLHW\IRU7HVWLQJDQG0DWHULDOV$16,$670VWDQGDUGV

7KHVROYHQWVKDOOEHIUHHÀRZLQJDQGFRQWDLQQROXPSV

XQGLVVROYHGSDUWLFOHVRUDQ\IRUHLJQPDWWHUWKDWDGYHUVHO\

DႇHFWVWKHMRLQWVWUHQJWKRUFKHPLFDOUHVLVWDQFHRIWKH

FHPHQW7KHFHPHQWVKDOOVKRZQRJHODWLRQVWUDWL¿FDWLRQ

RUVHSDUDWLRQWKDWFDQQRWEHUHPRYHGE\VWLUULQJ5HIHUWR

Table 11IRUDSSURYHGSLSLQJDQG¿WWLQJPDWHULDOV

CAUTION

6ROYHQWFHPHQWVIRUSODVWLFSLSHDUH

ÀDPPDEOHOLTXLGVDQGVKRXOGEHNHSWDZD\IURPDOOVRXUFHV

RILJQLWLRQ'RQRWXVHH[FHVVLYHDPRXQWVRIVROYHQW

FHPHQWZKHQPDNLQJMRLQWV*RRGYHQWLODWLRQVKRXOGEH

PDLQWDLQHGWRUHGXFH¿UHKD]DUGDQGWRPLQLPL]HEUHDWKLQJ

RIVROYHQWYDSRUV$YRLGFRQWDFWRIFHPHQWZLWKVNLQDQG

H\HV

IMPORTANT

([KDXVWDQGLQWDNHFRQQHFWLRQVDUH

PDGHRI39&8VH39&SULPHUDQGVROYHQWFHPHQWZKHQ

XVLQJ39&YHQWSLSH:KHQXVLQJ$%6YHQWSLSHXVH

WUDQVLWLRQDOVROYHQWFHPHQWWRPDNHFRQQHFWLRQVWRWKH39&

¿WWLQJVLQWKHXQLW

8VH39&SULPHUDQGVROYHQWFHPHQWRU$%6VROYHQW

FHPHQWPHHWLQJ$670VSHFL¿FDWLRQVUHIHUWRTable 11. As

DQDOWHUQDWHXVHDOOSXUSRVHFHPHQWWRERQG$%639&RU

&39&SLSHZKHQXVLQJ¿WWLQJVDQGSLSHPDGHRIWKHVDPH

PDWHULDOV8VHWUDQVLWLRQVROYHQWFHPHQWZKHQERQGLQJ

$%6WRHLWKHU39&RU&39&

/RZWHPSHUDWXUHVROYHQWFHPHQWLVUHFRPPHQGHGGXULQJ

FRROHUZHDWKHU0HWDORUSODVWLFVWUDSSLQJPD\EHXVHGIRU

YHQWSLSHKDQJHUV8QLIRUPO\DSSO\DOLEHUDOFRDWRI39&

SULPHUIRU39&RUXVHDFOHDQGU\FORWKIRU$%6WRFOHDQ

LQVLGHVRFNHWVXUIDFHRI¿WWLQJDQGPDOHHQGRISLSHWR

GHSWKRI¿WWLQJVRFNHW

Canadian Applications Only - 3LSH¿WWLQJVSULPHUDQG

VROYHQWFHPHQWXVHGWRYHQWH[KDXVWWKLVDSSOLDQFH

PXVWEHFHUWL¿HGWR8/&6DQGVXSSOLHGE\DVLQJOH

PDQXIDFWXUHUDVSDUWRIDQDSSURYHGYHQWH[KDXVW

V\VWHP,QDGGLWLRQWKH¿UVWWKUHHIHHWRIYHQWSLSHIURPWKH

IXUQDFHÀXHFROODUPXVWEHDFFHVVLEOHIRULQVSHFWLRQ

Table 11.

PIPING AND FITTINGS SPECIFICATIONS

6FKHGXOH39&3LSH D1785

6FKHGXOH39&)LWWLQJV D2466

6FKHGXOH&39&3LSH )

6FKHGXOH&39&)LWWLQJV )

6'539&RU6'539&3LSH D2241

6'5&39&RU6'5&39&3LSH )

6FKHGXOH$%63LSH D1527

6FKHGXOH$%6)LWWLQJV D2468

$%6':9'UDLQ:DVWH9HQW3LSH

)LWWLQJV

D2661

39&':9'UDLQ:DVWH9HQW3LSH

)LWWLQJV

D2665

PRIMER & SOLVENT CEMENT

ASTM

SPECIFICATION

39&&39&3ULPHU )

39&6ROYHQW&HPHQW D2564

&39&6ROYHQW&HPHQW )

$%66ROYHQW&HPHQW D2235

39&&39&$%6$OO3XUSRVH&HPHQW)RU

)LWWLQJV3LSHRIWKHVDPHPDWHULDO

'')

$%6WR39&RU&39&7UDQVLWLRQ6ROYHQW

&HPHQW

D3138

CANADA PIPE & FITTING &

SOLVENT CEMENT

MARKING

39&&39&3LSHDQG)LWWLQJV

8/&6

39&&39&6ROYHQW&HPHQW

$%6WR39&RU&39&7UDQVLWLRQ&HPHQW

POLYPROPYLENE VENTING SYSTEM

3RO\3UR

E\'XUDYHQW

,QQR)OXH

E\&HQWURWKHUP

(&&23RO\SURS\OHQH9HQW70

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31-5001163 Rev. 0

Service Information

PLACEMENT AND INSTALLATION (Cont.)

Table 12. Outdoor Termination Kits Usage

JOINT CEMENTING PROCEDURE

$OOFHPHQWLQJRIMRLQWVVKRXOGEHGRQHDFFRUGLQJWRWKH

VSHFL¿FDWLRQVRXWOLQHGLQ$670'

NOTE: $VKHHWPHWDOVFUHZPD\EHXVHGWRVHFXUHWKH

LQWDNHSLSHWRWKHFRQQHFWRULIGHVLUHG8VHDGULOORUVHOI

WDSSLQJVFUHZWRPDNHDSLORWKROH

DANGER

DANGER OF EXPLOSION!

Fumes from PVC glue may ignite during system check.

$OORZIXPHVWRGLVVLSDWHIRUDWOHDVWPLQXWHVEHIRUH

placing unit into operation.

0HDVXUHDQGFXWYHQWSLSHWRGHVLUHGOHQJWK

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URXJKHGJHV,IHQGLVQRWFKDPIHUHGHGJHRISLSHPD\

UHPRYHFHPHQWIURP¿WWLQJVRFNHWDQGUHVXOWLQDOHDNLQJ

MRLQW

NOTE: &KHFNWKHLQVLGHRIYHQWSLSHWKRURXJKO\IRUDQ\

REVWUXFWLRQWKDWPD\DOWHUIXUQDFHRSHUDWLRQ

&OHDQDQGGU\VXUIDFHVWREHMRLQHG

7HVW¿WMRLQWDQGPDUNGHSWKRI¿WWLQJRQRXWVLGHRISLSH

8QLIRUPO\DSSO\DOLEHUDOFRDWRI39&SULPHUIRU39&

RUXVHDFOHDQGU\FORWKIRU$%6WRFOHDQLQVLGHVRFNHW

VXUIDFHRI¿WWLQJDQGPDOHHQGRISLSHWRGHSWKRI¿WWLQJ

VRFNHW

NOTE: 7LPHLVFULWLFDODWWKLVVWDJH'RQRWDOORZSULPHU

WRGU\EHIRUHDSSO\LQJFHPHQW

3URPSWO\DSSO\VROYHQWFHPHQWWRHQGRISLSHDQGLQVLGH

VRFNHWVXUIDFHRI¿WWLQJ&HPHQWVKRXOGEHDSSOLHGOLJKWO\

EXWXQLIRUPO\WRLQVLGHRIVRFNHW7DNHFDUHWRNHHS

H[FHVVFHPHQWRXWRIVRFNHW$SSO\VHFRQGFRDWWRHQG

RISLSH

,PPHGLDWHO\DIWHUDSSO\LQJODVWFRDWRIFHPHQWWRSLSH

DQGZKLOHERWKLQVLGHVRFNHWVXUIDFHDQGHQGRISLSH

DUHZHWZLWKFHPHQWIRUFHIXOO\LQVHUWHQGRISLSHLQWR

VRFNHWXQWLOLWERWWRPVRXW7XUQ39&SLSHWXUQGXULQJ

DVVHPEO\EXWQRWDIWHUSLSHLVIXOO\LQVHUWHGWRGLVWULEXWH

FHPHQWHYHQO\'2127WXUQ$%6RUFHOOXODUFRUHSLSH

NOTE: $VVHPEO\VKRXOGEHFRPSOHWHGZLWKLQ

VHFRQGVDIWHUODVWDSSOLFDWLRQRIFHPHQW+DPPHUEORZV

VKRXOGQRWEHXVHGZKHQLQVHUWLQJSLSH

Model

Vent Pipe

Dia. (in.)

STANDARD CONCENTRIC

Outdoor Exhaust

Accelerator (Dia.

X Length)

Outdoor Exhaust

Accelerator (Dia.

X Length)

Flush

Mount

Kit

1-1/2"

Concentric

Kit

Concentric

Kit

Concentric

Kit

1-1/2" x12" 2" x12" 51W11** 71M80 69M29 60L46

045

1-1/2 <(6 <(6

2 <(6 <(6 <(6

2-1/2" <(6 <(6 <(6

3 <(6 <(6 <(6

070

1-1/2 <(6 <(6

2 <(6 <(6 <(6

2-1/2 <(6 <(6 <(6

3 <(6 <(6 <(6

090

2 <(6 <(6 <(6 <(6

2-1/2 <(6 <(6 <(6 <(6

3 <(6 <(6 <(6 <(6

110

2 <(6 <(6 <(6 <(6

2-1/2 <(6 <(6 <(6 <(6

3 <(6 <(6 <(6 <(6

ïLQWRLQUHGXFHUUHTXLUHGPXVWEH¿HOGSURYLGHG

5HTXLUHV¿HOGSURYLGHGHQGLQVWDOOHGLQH[KDXVWDFFHOHUDWRU

.LW:LVSURYLGHGZLWKHLQDFFHOHUDWRUZKLFKPXVWEHXVHGIRUDOODQGLQ39&LQVWDOODWLRQV:KHQXVLQJLQSLSLQJWKHSLSH

PXVWEHWUDQVLWLRQHGWRLQSLSHZKHQXVHGZLWKWKH)OXVK0RXQW.LW

NOTE: :KHQXVLQJLQSLSLQJWKHSLSHPXVWEHWUDQVLWLRQHGWRLQSLSHZKHQXVHGZLWKWKH&RQFHQWULF.LW

3DJH

31-5001163 Rev. 0

Service Information

JOINT CEMENTING PROCEDURE (Cont.)

$IWHUDVVHPEO\ZLSHH[FHVVFHPHQWIURPSLSHDWHQG

RI¿WWLQJVRFNHW$SURSHUO\PDGHMRLQWZLOOVKRZDEHDG

DURXQGLWVHQWLUHSHULPHWHU$Q\JDSVPD\LQGLFDWHDQ

LPSURSHUDVVHPEO\GXHWRLQVXႈFLHQWVROYHQW

+DQGOHMRLQWVFDUHIXOO\XQWLOFRPSOHWHO\VHW

VENTING PRACTICES

Figure 15. Piping Suspension Guidelines

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KROHPXVWEHODUJHHQRXJKWRDOORZFOHDUDQFHRQDOOVLGHV

RISLSHWKURXJKFHQWHURIKROHXVLQJDKDQJHU

:KHQIXUQDFHLVLQVWDOOHGLQDUHVLGHQFHZKHUHXQLWLVVKXW

GRZQIRUDQH[WHQGHGSHULRGRIWLPHVXFKDVDYDFDWLRQ

KRPHPDNHSURYLVLRQVIRUGUDLQLQJFRQGHQVDWHFROOHFWLRQ

WUDSDQGOLQHV

Removal of the Furnace from Common Vent

,QWKHHYHQWWKDWDQH[LVWLQJIXUQDFHLVUHPRYHGIURP

DYHQWLQJV\VWHPFRPPRQO\UXQZLWKVHSDUDWHJDV

DSSOLDQFHVWKHYHQWLQJV\VWHPLVOLNHO\WREHWRRODUJHWR

SURSHUO\YHQWWKHUHPDLQLQJDWWDFKHGDSSOLDQFHV

&RQGXFWWKHIROORZLQJWHVWZKLOHHDFKDSSOLDQFHLVRSHUDWLQJ

DQGWKHRWKHUDSSOLDQFHVZKLFKDUHQRWRSHUDWLQJUHPDLQ

FRQQHFWHGWRWKHFRPPRQYHQWLQJV\VWHP,IWKHYHQWLQJ

V\VWHPKDVEHHQLQVWDOOHGLPSURSHUO\\RXPXVWFRUUHFWWKH

V\VWHPDVLQGLFDWHGLQWKHJHQHUDOYHQWLQJUHTXLUHPHQWV

VHFWLRQ

WARNING

)DLOXUHWRIROORZWKHVWHSVRXWOLQHGEHORZ

IRUHDFKDSSOLDQFHFRQQHFWHGWRWKHYHQWLQJV\VWHPEHLQJ

SODFHGLQWRRSHUDWLRQFRXOGUHVXOWLQFDUERQPRQR[LGH

SRLVRQLQJRUGHDWK

7KHIROORZLQJVWHSVVKDOOEHIROORZHGIRUHDFKDSSOLDQFH

FRQQHFWHGWRWKHYHQWLQJV\VWHPEHLQJSODFHGLQWR

RSHUDWLRQZKLOHDOORWKHUDSSOLDQFHVFRQQHFWHGWRWKH

YHQWLQJV\VWHPDUHQRWLQRSHUDWLRQ

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V\VWHP

,QVSHFWWKHYHQWLQJV\VWHPIRUSURSHUVL]HDQGKRUL]RQWDO

SLWFK'HWHUPLQHWKDWWKHUHLVQREORFNDJHUHVWULFWLRQ

OHDNDJHFRUURVLRQRURWKHUGH¿FLHQFLHVZKLFKFRXOG

FDXVHDQXQVDIHFRQGLWLRQ

&ORVHDOOEXLOGLQJGRRUVDQGZLQGRZVDQGDOOGRRUV

EHWZHHQWKHVSDFHLQZKLFKWKHDSSOLDQFHVUHPDLQLQJ

FRQQHFWHGWRWKHFRPPRQYHQWLQJV\VWHPDUHORFDWHG

DQGRWKHUVSDFHVRIWKHEXLOGLQJ7XUQRQFORWKHVGU\HUV

DQGDQ\DSSOLDQFHVQRWFRQQHFWHGWRWKHFRPPRQ

YHQWLQJV\VWHP7XUQRQDQ\H[KDXVWIDQVVXFKDVUDQJH

KRRGVDQGEDWKURRPH[KDXVWVVRWKH\ZLOORSHUDWHDW

PD[LPXPVSHHG'RQRWRSHUDWHDVXPPHUH[KDXVWIDQ

&ORVH¿UHSODFHGDPSHUV

)ROORZWKHOLJKWLQJLQVWUXFWLRQV7XUQRQWKHDSSOLDQFH

WKDWLVEHLQJLQVSHFWHG$GMXVWWKHWKHUPRVWDWVRWKDWWKH

DSSOLDQFHRSHUDWHVFRQWLQXRXVO\

$IWHUWKHPDLQEXUQHUKDVRSHUDWHGIRUPLQXWHVWHVWIRU

OHDNVRIÀXHJDVHVDWWKHGUDIWKRRGUHOLHIRSHQLQJ8VH

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WKHFRPPRQYHQWLQJV\VWHPLVYHQWLQJSURSHUO\VWHS

UHWXUQDOOGRRUVZLGRZVH[KDXVWIDQV¿UHSODFH

GDPSHUVDQGDQ\RWKHUJDVEXUQLQJDSSOLDQFHVWRWKHLU

SUHYLRXVPRGHRIRSHUDWLRQ

,IDYHQWLQJSUREOHPLVIRXQGGXULQJDQ\RIWKHSUHFHGLQJ

WHVWVWKHFRPPRQYHQWLQJV\VWHPPXVWEHPRGL¿HGWR

FRUUHFWWKHSUREOHP

5HVL]HWKHFRPPRQYHQWLQJV\VWHPWRWKHPLQLPXPYHQW

SLSHVL]HGHWHUPLQHGE\XVLQJWKHDSSURSULDWHWDEOHVLQ

$SSHQGL[*WKHVHDUHLQWKHFXUUHQWVWDQGDUGVRIWKH

1DWLRQDO)XHO*DV&RGH$16,=

6&+('8/(

PVC - 5’

DOORWKHUSLSH¶

6HH3LSLQJDQG)LWWLQJV6SHFL¿FDWLRQVWDEOH

NOTE: 9HUWLFDO VXSSRUW JXLGHOLQHV 5HFRPPHQG IROORZLQJ WKH

JXLGHOLQHVLQWKH,QWHUQDWLRQDO3OXPELQJFRGHIRU39&

NOTE:,VRODWHSLSLQJDWWKHSRLQWZKHUHLWH[LWVWKHRXWVLGHZDOORU

URRILQRUGHUWRSUHYHQWWUDQVPLVVLRQRIYLEUDWLRQWRWKHVWUXFWXUH

Wall Thickness Guidelines

´PD[LPXP

´PLQLPXP

,QVLGH 2XWVLGH:DOO

3DJH

31-5001163 Rev. 0

Service Information

VENTING PRACTICES (Cont.)

Removal of the Furnace from Common Vent

(Cont.)

Figure 16.

Exhaust Piping (Figure 18)

5RXWHSLSLQJWRRXWVLGHRIVWUXFWXUH&RQWLQXHZLWK

LQVWDOODWLRQIROORZLQJLQVWUXFWLRQVJLYHQLQSLSLQJWHUPLQDWLRQ

VHFWLRQ

CAUTION

'RQRWGLVFKDUJHH[KDXVWLQWRDQH[LVWLQJ

VWDFNRUVWDFNWKDWDOVRVHUYHVDQRWKHUJDVDSSOLDQFH,I

YHUWLFDOGLVFKDUJHWKURXJKDQH[LVWLQJXQXVHGVWDFNLV

UHTXLUHGLQVHUW39&SLSHLQVLGHWKHVWDFNXQWLOWKHHQGLV

HYHQZLWKWKHWRSRURXWOHWHQGRIWKHPHWDOVWDFN

CAUTION

7KHH[KDXVWYHQWSLSHRSHUDWHVXQGHU

SRVLWLYHSUHVVXUHDQGPXVWEHFRPSOHWHO\VHDOHGWRSUHYHQW

OHDNDJHRIFRPEXVWLRQSURGXFWVLQWRWKHOLYLQJVSDFH

VENT PIPING GUIDELINES

NOTE: *($SSOLDQFHVKDVDSSURYHGWKHXVHRI'XUD9HQW

DQG&HQWURWKHUPPDQXIDFWXUHGYHQWSLSHDQGWHUPLQDWLRQV

DVDQRSWLRQWR39&:KHQXVLQJWKH3RO\3UR

E\'XUD9HQW

RU,QQR)OXH

E\&HQWURWKHUPYHQWLQJV\VWHPWKHYHQW

SLSHUHTXLUHPHQWVVWDWHGLQWKHXQLWLQVWDOODWLRQLQVWUXFWLRQ

±PLQLPXPPD[LPXPYHQWOHQJWKVWHUPLQDWLRQ

FOHDUDQFHVHWF±DSSO\DQGPXVWEHIROORZHG)ROORZ

WKHLQVWUXFWLRQVSURYLGHGZLWK3R\3URE\'XUD9HQWDQG

,QQR)OXHE\&HQWURWKHUPYHQWLQJV\VWHPIRUDVVHPEO\RULI

UHTXLUHPHQWVDUHPRUHUHVWULFWLYH7KH3RO\3URE\'XUDYHQW

DQG,QQR)OXHE\&HQWURWKHUPYHQWLQJV\VWHPPXVWDOVR

IROORZWKHXQLQVXODWHGDQGXQFRQGLWLRQHGVSDFHFULWHULD

OLVWHGLQ Table 14.

The NF97D***T**R can be installed as either a Non-

Direct Vent or a Direct Vent gas central furnace.

NOTE: ,Q1RQ'LUHFW9HQWLQVWDOODWLRQVFRPEXVWLRQDLULV

WDNHQIURPLQGRRUVDQGÀXHJDVHVDUHGLVFKDUJHGRXWGRRUV

,Q'LUHFW9HQWLQVWDOODWLRQVFRPEXVWLRQDLULVWDNHQIURP

RXWGRRUVDQGÀXHJDVHVDUHGLVFKDUJHGRXWGRRUV

,QWDNHDQGH[KDXVWSLSHVL]LQJ6L]HSLSHDFFRUGLQJWR

Table 13DQGTable 14AWKURXJK Table 14C&RXQWDOO

HOERZVLQVLGHDQGRXWVLGHWKHKRPHTable 13OLVWVWKH

PLQLPXPYHQWSLSHOHQJWKVSHUPLWWHG Table 14A WKURXJK

Table 14COLVWVWKHPD[LPXPSLSHOHQJWKVSHUPLWWHG

5HJDUGOHVVRIWKHGLDPHWHURISLSHXVHGWKHVWDQGDUGURRI

DQGZDOOWHUPLQDWLRQVGHVFULEHGLQVHFWLRQ([KDXVW3LSLQJ

7HUPLQDWLRQVVKRXOGEHXVHG([KDXVWYHQWWHUPLQDWLRQ

SLSHLVVL]HGWRRSWLPL]HWKHYHORFLW\RIWKHH[KDXVWJDVDV

LWH[LWVWKHWHUPLQDWLRQ5HIHUWR Table 15.

,QVRPHDSSOLFDWLRQVZKLFKSHUPLWWKHXVHRIVHYHUDO

GLႇHUHQWVL]HVRIYHQWSLSHDFRPELQDWLRQYHQWSLSHPD\

EHXVHG&RQWDFW$OOLHG7HFKQLFDO6HUYLFHV'HSDUWPHQWIRU

DVVLVWDQFHLQVL]LQJYHQWSLSHLQWKHVHDSSOLFDWLRQV

NOTE: ,WLVDFFHSWDEOHWRXVHDQ\SLSHVL]HZKLFK¿WVZLWKLQ

WKHJXLGHOLQHVDOORZHGLQTable 13A WKURXJKTable 13C.

NOTE:$OOKRUL]RQWDOUXQVRIH[KDXVWSLSHPXVWVORSHEDFN

WRZDUGXQLW$PLQLPXPRI´PPGURSIRUHDFK´

PPRIKRUL]RQWDOUXQLVPDQGDWRU\IRUGUDLQDJH

NOTE: ([KDXVWSLSH0867EHJOXHGWRIXUQDFHH[KDXVW

¿WWLQJV.

NOTE: ([KDXVWSLSLQJVKRXOGEHFKHFNHGFDUHIXOO\WRPDNH

VXUHWKHUHDUHQRVDJVRUORZVSRWV

NOTE:,IULJKWVLGHYHQWLQJRSWLRQLVXVHG\RXPXVWLQFOXGH

WKHHOERZDWWKHIXUQDFHLQWKHHOERZFRXQW,IWUDQVLWLRQLQJ

WR´GLDSLSHWKLVHOERZHTXDWHVWR¶RIHTXLYDOHQWYHQW

OHQJWKIRUDOOPRGHOV

Table 13. Minimum Vent Pipe Lengths

IMPORTANT

'RQRWXVHVFUHHQVRUSHUIRUDWHG

PHWDOLQH[KDXVWRULQWDNHWHUPLQDWLRQV'RLQJVRZLOOFDXVH

IUHH]HXSVDQGPD\EORFNWKHWHUPLQDWLRQV

Model Min. Vent Length*



IWRUIWSOXVHOERZVRU

IWSOXVHOERZ

$Q\DSSURYHGWHUPLQDWLRQPD\EHDGGHGWRWKHPLQLPXP

OHQJWKOLVWHG

&KLPQH\RU*DV

9HQWFKHFN

VLGLQJIRUZDWHU

KHDWHURQO\

)XUQDFH

UHSODFHG

:DWHU

+HDWHU

2SHQLQJVWR

DGMDFHQWURRP

,IUHSODFLQJDIXUQDFHZKLFKZDVFRPPRQO\YHQWHGZLWKDQRWKHUJDV

DSSOLDQFHWKHVL]HRIWKHH[LVWLQJYHQWSLSHIRUWKDWJDVDSSOLDQFHPXVW

EHFKHFNHG:LWKRXWWKHKHDWRIWKHRULJLQDOIXUQDFHÀXHSURGXFWVWKH

H[LVWLQJYHQWSLSHLVSUREDEO\RYHUVL]HGIRUWKHVLQJOHZDWHUKHDWHURU

RWKHUDSSOLDQFH7KHYHQWVKRXOGEHFKHFNHGIRUSURSHUGUDZZLWKWKH

UHPDLQLQJDSSOLDQFH

3DJH

31-5001163 Rev. 0

Service Information

VENT PIPING GUIDELINES (Cont.)

Figure 17. Vent Pipe Diameter Sizing

045, 070,

090, 110

Standard or

Concentric?

See Table 4

Intake or

Exhaust?

1-1/2”, 2”,

2-1/2”

or 3”

Furnace capacity?

Which termination?

Which needs most

elbows?

How many?

Desired pipe size?

What is the altitude?

Use Table 7 to find max

pipe length.

3DJH

31-5001163 Rev. 0

Service Information

VENT PIPING GUIDELINES (Cont.)

7DEOH$0D[LPXP$OORZDEOH,QWDNHRU([KDXVW9HQW/HQJWKLQ)HHW

6WDQGDUG7HUPLQDWLRQDW(OHYDWLRQIW

No.

Of 90°

(OERZV

Used

1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe

Model Model Model Model

045 070 090 110 045 070 090 110 045 070 090 110 045 070 090 110

12015

QD QD

66 51 29 9 100 100 78 43 123 122 103 103

2 1510 614624

QD

95 95 73 38 118 117 98 98

310

QD

56 41 19 90 90 68 33 113 112 93 93

QD

51 36 14 85 85 63 28 108 107 88 88

5 46 31 9 80 80 58 23 103 102 83 83

64126

QD

75 75 53 18 98 97 78 78

7 3621 7070481393927373

8 3116 656543 8 89876868

9 2611 606038

QD

83 82 63 63

10 21 6 555533 78775858

6WDQGDUG7HUPLQDWLRQDW(OHYDWLRQIW

No.

Of 90°

(OERZV

Used

1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe

Model Model Model Model

045 070 090 110 045 070 090 110 045 070 090 110 045 070 090 110

12015

QD QD

66 51 29

QD

100 100 78 43 123 122 103 103

2 1510 614624 959573381181179898

310

QD

56 41 19 90 90 68 33 113 112 93 93

QD

51 36 14 85 85 63 28 108 107 88 88

5 46 31 9 80 80 58 23 103 102 83 83

64126

QD

75 75 53 18 98 97 78 78

7 3621 7070481393927373

8 3116 656543 8 89876868

92611606038

QD

83 82 63 63

10 21 6 555533 78775858

6L]HLQWDNHDQGH[KDXVWSLSHOHQJWKVHSDUDWHO\9DOXHVLQWDEOHDUHIRULQWDNHRUH[KDXVWQRWFRPELQHGWRWDO%RWKLQWDNHDQGH[KDXVWPXVWEHVDPHSLSH

VL]H

3DJH

31-5001163 Rev. 0

VENT PIPING GUIDELINES (Cont.)

7DEOH%0D[LPXP$OORZDEOH,QWDNHRU([KDXVW9HQW/HQJWKLQ)HHW

Service Information

&RQFHQWULF7HUPLQDWLRQDW(OHYDWLRQIW

No.

Of 90°

(OERZV

1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe

Model Model Model Model

045 070 090 110 045 070 090 110 045 070 090 110 045 070 090 110

11510

QD QD

58 43 27 7 90 90 74 39 106 106 99 99

210

QD

53 38 22

QD

85 85 69 34 101 101 94 94

QD

48 33 17 80 80 64 29 96 96 89 89

4 432812 7575592491918484

5 38 23 7 70 70 54 19 86 86 79 79

63318

QD

65 65 49 14 81 81 74 74

7 28 13 60 60 44 9 76 76 69 69

823

QD

55 55 39

QD

71 71 64 64

9 18 505034 66665959

10 13 45 45 29 61 61 54 54

&RQFHQWULF7HUPLQDWLRQDW(OHYDWLRQIW

No.

Of 90°

(OERZV

1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe

Model Model Model Model

045 070 090 110 045 070 090 110 045 070 090 110 045 070 090 110

11510

QD QD

58 43 27

QD

90 90 74 39 106 106 99 99

210

QD

53 38 22 85 85 69 34 101 101 94 94

QD

48 33 17 80 80 64 29 96 96 89 89

4 432812 7575592491918484

5 38 23 7 70 70 54 19 86 86 79 79

63318

QD

65 65 49 14 81 81 74 74

7 28 13 60 60 44 9 76 76 69 69

8 23 8 55 55 39

QD

71 71 64 64

918

QD

50 50 34 66 66 59 59

10 13 45 45 29 61 61 54 54

6L]HLQWDNHDQGH[KDXVWSLSHOHQJWKVHSDUDWHO\9DOXHVLQWDEOHDUHIRULQWDNHRUH[KDXVWQRWFRPELQHGWRWDO%RWK,QWDNHDQG([KDXVWPXVWEHVDPH

SLSHVL]H

3DJH

31-5001163 Rev. 0

VENT PIPING GUIDELINES (Cont.)

NOTE: $GGLWLRQDOYHQWSLSHDQGHOERZVXVHGWRWHUPLQDWHWKHYHQWSLSHRXWVLGHWKHVWUXFWXUHPXVWEHLQFOXGHGLQWKHWRWDOYHQWOHQJWKFDOFXODWLRQ

7DEOH&0D[LPXP$OORZDEOH([KDXVW9HQW/HQJWKV8VLQJ9HQWLODWHG$WWLFRU&UDZO6SDFHIRU,QWDNH$LULQ)HHW

Service Information

6WDQGDUG7HUPLQDWLRQDW(OHYDWLRQIW

No.

Of 90°

(OERZV

1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe

Model Model Model Model

045 070 090 110 045 070 090 110 045 070 090 110 045 070 090 110

11510

QD QD

56 41 24

QD

85 85 63 28 103 102 83 83

210

QD

51 36 19 80 80 58 23 98 97 78 78

QD

46 31 14 75 75 53 18 93 92 73 73

4 41 26 9 70 70 48 13 88 87 68 68

5 36 21 4 65 65 43 8 83 82 63 63

63116

QD

60 60 38 3 78 77 58 58

72611555533

QD

73 72 53 53

8 21 6 50 50 28 68 67 48 48

9 16 1 45 45 23 63 62 43 43

10 11 QD 40 40 18 58 57 38 38

3DJH

31-5001163 Rev. 0

VENT PIPING GUIDELINES (Cont.)

Figure 18. Typical Exhaust Pipe Connections

Figure 19. Typical Intake Pipe Connections (Direct Vent Applications)

Service Information

Pipe size determined in table 7.

2”

TOP VIEW

EXHAUST

INTAKE

TRANSITION

3”

*2”

TRANSITION

3”

*2”

1-1/2”

TRANSITION

NOTE: 1-1/2” Vent Pipe

Diameter Allowed Only

on 045/070 Units

2”

* When transitioning up in pipe size, use the shortest length of 2” PVC pipe possible.

NOTE: Exhaust pipe and intake pipe must be the same diameter.

3LSHVL]HGHWHUPLQHGLQ7DEOH$WKURXJK&

Pipe size determined in table 7.

2”

TOP VIEW

EXHAUST

INTAKE

2”

TRANSITION

3”

*2”

1-1/2”

TRANSITION

NOTE: 1-1/2” Vent Pipe

Diameter Allowed Only

on 045/070 Units

DO NOT transition

from larger to smaller

pipe in horizontal runs

of exhaust pipe.

DO NOT transition

from smaller to larger

pipe in horizontal runs

of exhaust pipe.

* When transitioning up in pipe size, use the shortest length of 2” PVC pipe possible.

NOTE: Exhaust pipe and intake pipe must be the same diameter.

3LSHVL]HGHWHUPLQHGLQ7DEOH$WKURXJK&

3DJH

31-5001163 Rev. 0

Service Information

VENT PIPING GUIDELINES (Cont.)

Intake Piping

7KH1)'75IXUQDFHPD\EHLQVWDOOHGLQHLWKHUGLUHFW

YHQWRUQRQGLUHFWYHQWDSSOLFDWLRQV,QQRQGLUHFWYHQW

DSSOLFDWLRQVZKHQLQWDNHDLUZLOOEHGUDZQLQWRWKHIXUQDFH

IURPWKHVXUURXQGLQJVSDFHWKHLQGRRUDLUTXDOLW\PXVWEH

FRQVLGHUHGDQGJXLGHOLQHVOLVWHGLQ&RPEXVWLRQ'LOXWLRQ

DQG9HQWLODWLRQ$LUVHFWLRQPXVWEHIROORZHG

)ROORZWKHQH[WVWHSVZKHQLQVWDOOLQJWKHXQLWLQ'LUHFW9HQW

DSSOLFDWLRQVZKHUHFRPEXVWLRQDLULVWDNHQIURPRXWGRRUV

DQGÀXHJDVHVDUHGLVFKDUJHGRXWGRRUV7KHSURYLGHGDLU

LQWDNHVFUHHQPXVWQRWEHXVHGLQGLUHFWYHQWDSSOLFDWLRQV

RXWGRRUV

8VHWUDQVLWLRQVROYHQWFHPHQWRUDVKHHWPHWDOVFUHZWR

VHFXUHWKHLQWDNHSLSHWRWKHLQOHWDLUFRQQHFWRU

,ILQWDNHDLULVGUDZQIURPDYHQWLODWHGDWWLFFigure 21

RUYHQWLODWHGFUDZOVSDFHFigure 22WKHH[KDXVWYHQW

OHQJWKPXVWQRWH[FHHGWKRVHOLVWHGLQTable 14C,I´

GLDPHWHUSLSHLVXVHGUHGXFHWR´GLDPHWHUSLSHDWWKH

WHUPLQDWLRQSRLQWWRDFFRPPRGDWHWKHGHEULVVFUHHQ

5RXWHSLSLQJWRRXWVLGHRIVWUXFWXUH&RQWLQXHZLWK

LQVWDOODWLRQIROORZLQJLQVWUXFWLRQVJLYHQLQJHQHUDO

JXLGHOLQHVIRUSLSLQJWHUPLQDWLRQVDQGLQWDNHDQGH[KDXVW

SLSLQJWHUPLQDWLRQVIRUGLUHFWYHQWVHFWLRQV5HIHUWR

Table 14AWKURXJKTable 14CIRUSLSHVL]HV

Figure 20. 7\SLFDO$LU,QWDNH3LSH&RQQHFWLRQV8SÀRZ

1RQí'LUHFW9HQW$SSOLFDWLRQV

)ROORZWKHQH[WWZRVWHSVZKHQLQVWDOOLQJWKHXQLWLQ1RQ

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Figure 220DLQWDLQDPLQLPXPFOHDUDQFHRI´PP

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Figure 21. (TXLSPHQWLQ&RQ¿QHG6SDFH

(Inlet Air from Ventilated Attic and Outlet Air to Outside)

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3DJH

31-5001163 Rev. 0

Service Information

VENT PIPING GUIDELINES (Cont.)

Intake Piping (Cont.)

Figure 22. (TXLSPHQWLQ&RQ¿QHG6SDFH

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Outside)

General Guidelines for Vent Terminations

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3DJH

31-5001163 Rev. 0

Service Information

Winter

Design

Temp

°F (°C)

Vent

Pipe

Diam

045 070 090 110

PVC ð33 PVC ð33 PVC ð33 PVC ð33

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WR

LQ 12 N/A 20 N/A N/A N/A N/A N/A

LQ 11 9 191728252724

LQ 7 N/A 14 N/A 21 N/A 20 N/A

LQ N/A N/A 9 9 16 16 14 14

WR

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LQ N/A N/A 7 N/A 13 N/A 12 N/A

LQ N/A N/A N/A N/A 8 8 7 7

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Figure 23. Insulating Exhaust Pipe in an Unconditioned Space

VENT PIPING GUIDELINES (Cont.)

General Guidelines for Vent Terminations (Cont.)

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Winter Design Temperatures

3DJH

31-5001163 Rev. 0

Service Information

US Installations¹ Canadian Installations²

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Figure 24. Vent Termination Clearances for Direct Installations

3DJH

31-5001163 Rev. 0

Service Information

VENT PIPING GUIDELINES (Cont.)

Details of Intake and Exhaust Piping Terminations for Direct Vent Installations

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Table 16.

Table 16. Exhaust Pipe Termination Size Reduction

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Figure 25. Direct Vent Roof Termination Kit

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Figure 36.

Capacity Exhaust Pipe Size

Termination Pipe

Size

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31-5001163 Rev. 0

Service Information

VENT PIPING GUIDELINES (Cont.)

Details of Intake and Exhaust Piping Terminations for Direct Vent Installations (Cont.)

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Figure 28. Flush-Mount Side Wall Termination

Figure 29. Direct Vent Application Using Existing

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Figure 30. Direct Vent Concentric Wall Termination

Figure 31. Direct Vent Concentric Wall Termination

Figure 32. Optional Vent Termination for Multiple Unit

Installation of Direct Vent Wall Termination Kit

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3DJH

31-5001163 Rev. 0

Service Information

VENT PIPING GUIDELINES (Cont.)

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3DJH

31-5001163 Rev. 0

Service Information

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Front View of

Intake and Exhaust

Intake

Exhaust

Intake

Elbow

Exhaust

12”

Straight

Application

Extended

Application

A A

Intake

Elbow

* WALL

SUPPORT

Figure 36.

3DJH

31-5001163 Rev. 0

Service Information

Condensate Piping

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Figure 41VKRZVWKHIXUQDFHDQGHYDSRUDWRUFRLOXVLQJ

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WUDSXVLQJDKRVHFODPS6HHFigure 38.

CAUTION

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OLQHVIRUGUDLQOLQH

Figure 37. Condensate Trap and Plug Locations

Figure 38. Field Provided Drain Components

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1-1/2 in.

Hose

&ODPS

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)LWWLQJ

7XELQJ

(OERZ

3DJH

31-5001163 Rev. 0

Service Information

Figure 39. Condensate Trap Locations

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Figure 40. &RQGHQVDWH7UDSZLWK2SWLRQDO

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Figure 41. 8QLWZLWK&RROLQJ&RLO8VLQJ6HSDUDWH'UDLQ

Figure 42. Evaporator Coil Using a Common Drain

IMPORTANT

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RSHUDWHSURSHUO\

)LHOG3URYLGHG9HQW

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DERYHFRQGHQVDWHGUDLQ

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Drain

Field Provided Vent

1” min. 2” max. above

condensate drain.

Condensate Drain

Connection

Evaporator Drain Line

(vent required)

5’ max.

to drain

1” min.

2” max.

Trap can be installed a maximum

of 5ft. from furnace (*PVC only)

Field Provided Vent

1” min. 2” max. above

condensate drain.

*Piping from furnace must slope down a

minimum 1/4” per ft. toward trap

Field Provided Vent

1” min. 2” max. above

condensate drain.

Evaporator Drain Line

(vent required)

Condensate Drain

Connection

3DJH

31-5001163 Rev. 0

Service Information

Drain Trap

Assembly (furnished)

ent

Drain Trap

Clean Out

5 ft

Max

Coupling 3/4” slip X slip

(not furnished)

90º Elbow 3/4” PVC

(not furnished)

1/2” PVC Pipe

(not furnished)

3/4” PVC Pipe

(not furnished)

Condensate Drain

Connection in unit

Drain Assembly for 1/2 inch Drain Pipe

° Elbow

3/4 inch PVC

(Not Furnished)

Coupling 3/4 inch slip X slip

(Not Furnished)

Drain

° Elbow

3/4 inch PVC

(Not Furnished)

Drain

90° Elbow

1/2 inch PVC

(Not Furnished)

1/2 inch PVC Pipe

(Not Furnished)

Drain Assembly for 3/4 inch Drain Pipe

Optional Drain Piping from Trap

1” (25mm) Min.

2” (50mm) Max.

above top of

Condensate Drain

Connection in unit

Drain Trap Assembly

(furnished)

7”

(178mm)

Drain Trap Assembly with 3/4” Piping

Condensate Drain

Connection in unit

3/4”

1” (25 mm) min. 2” (50 mm) max. above top

of Condensate Drain Connection in unit

Vent

To Drain

Optional Condensate Drain Connection

To Trap

Condensate Drain

Connection In Unit

Adapter 3/4” slip X

3/4” MPT (not furnished)

90° Street Elbow

3/4” PVC

(not furnished)

90º Street Elbow

3/4” PVC (furnished)

Adapter 3/4” slip X

3/4” MPT (not furnished)

Drain Trap Assembly with 1/2” Piping

Condensate Drain

Connection In Unit

Vent

1/2”

1” (25 mm) min. 2” (50 mm) max. above top

of Condensate Drain Connection in unit

To Drain

Figure 43. 7UDS'UDLQ$VVHPEO\XVLQJ´39&RU´39&&ROG(QG+HDGHU%R[ZLWK´'UDLQ&RQQHFWLRQ

3DJH

31-5001163 Rev. 0

Service Information

Adapter 1/2 inch slip X

1/2 inch mpt (Not Furnished)

Drain Trap

Assembly

(Furnished)

Vent

Drain Trap

Clean Out

5 Feet

Maximum

Coupling 1/2 inch slip X slip

(Not Furnished)

90° Elbow 1/2 inch PVC

(Not Furnished)

1/2 inch PVC Pipe

(Not Furnished)

1/2 inch PVC Pipe

(Not Furnished)

Condensate Drain

Connection In Unit

(178)

Drain Assembly for 1/2 inch Drain Pipe

90° Elbow

3/4 inch PVC

(Not Furnished)

Coupling 3/4 inch slip X slip

(Not Furnished)

Drain

90° Elbow

3/4 inch PVC

(Not Furnished)

90° Street Elbow

1/2 inch PVC

Drain

90° Elbow

1/2 inch PVC

(Not Furnished)

1/2 inch PVC Pipe

(Not Furnished)

Drain Assembly for 3/4 inch Drain Pipe

90° Street Elbow

1/2 inch PVC

(Not Furnished)

Condensate Drain

Connection In Unit

Adapter 1/2 inch slip X

1/2 inch mpt (Not Furnished)

Condensate Drain

Connection In Unit

Vent

Drain

Condensate Drain

Connection In Unit

Drain Trap Assembly with 3/4 inch Piping

Vent

Drain

(Furnished)

Optional Condensate Drain Connection

Optional Drain Piping From Trap

Drain Trap Assembly

(Furnished)

Drain Trap Assembly with 1/2 inch Piping

Drain Trap Assembly with 3/4 inch Piping

1/2 inch

3/4 inch

1 (25 mm) Min.

2 (50 mm) Max.

Above Top Of

Condensate Drain

Connection In Unit

1 (25 mm) Min. 2 (50 mm) Max. Above Top

Of Condensate Drain Connection In Unit

1 (25 mm) Min. 2 (50 mm) Max. Above Top

Of Condensate Drain Connection In Unit

Trap

Figure 44. 7UDS'UDLQ$VVHPEO\XVLQJ´39&RU´39&&ROG(QG+HDGHU%R[ZLWK´'UDLQ&RQQHFWLRQ

3DJH

31-5001163 Rev. 0

Service Information

START-UP

Preliminary and Seasonal Checks

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Heating Start-Up

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DUHDIRUJDV%HVXUHWRVPHOOQH[WWRWKHÀRRUEHFDXVH

VRPHJDVLVKHDYLHUWKDQDLUDQGZLOOVHWWOHRQWKHÀRRU

7KHJDVYDOYHRQWKHNF97D***T**RLVHTXLSSHGZLWKD

JDVFRQWUROVZLWFK8VHRQO\\RXUKDQGWRPRYHWKHVZLWFK

1HYHUXVHWRROV,IWKHVZLWFKZLOOQRWPRYHE\KDQG

UHSODFHWKHYDOYH'RQRWWU\WRUHSDLULW)RUFHRUDWWHPSWHG

UHSDLUPD\UHVXOWLQD¿UHRUH[SORVLRQ

Placing the furnace into operation:

NF97D***T**RXQLWVDUHHTXLSSHGZLWKDQLJQLWLRQV\VWHP

'RQRWDWWHPSWWRPDQXDOO\OLJKWEXUQHUVRQWKLVIXUQDFH

(DFKWLPHWKHWKHUPRVWDWFDOOVIRUKHDWWKHEXUQHUVZLOO

DXWRPDWLFDOO\OLJKW7KHLJQLWRUGRHVQRWJHWKRWZKHQWKHUH

LVQRFDOOIRUKHDWRQXQLWVZLWKDQLJQLWLRQV\VWHP

Priming Condensate Trap

7KHFRQGHQVDWHWUDSVKRXOGEHSULPHGZLWKZDWHUSULRUWR

VWDUWXSWRHQVXUHSURSHUFRQGHQVDWHGUDLQDJH(LWKHUSRXU

ÀR]PORIZDWHULQWRWKHWUDSRUIROORZWKHVH

VWHSVWRSULPHWKHWUDS

)ROORZWKHOLJKWLQJLQVWUXFWLRQVWRSODFHWKHXQLWLQWR

RSHUDWLRQ

6HWWKHWKHUPRVWDWWRLQLWLDWHDKHDWLQJGHPDQG

$OORZWKHEXUQHUVWR¿UHIRUDSSUR[LPDWHO\PLQXWHV

$GMXVWWKHWKHUPRVWDWWRGHDFWLYDWHWKHKHDWLQJGHPDQG

:DLWIRUWKHFRPEXVWLRQDLULQGXFHUWRVWRS6HWWKH

WKHUPRVWDWWRLQLWLDWHDKHDWLQJGHPDQGDQGDJDLQDOORZ

WKHEXUQHUVWR¿UHIRUDSSUR[LPDWHO\PLQXWHV

$GMXVWWKHWKHUPRVWDWWRGHDFWLYDWHWKHKHDWLQJGHPDQG

DQGDJDLQZDLWIRUWKHFRPEXVWLRQDLULQGXFHUWRVWRS$W

WKLVSRLQWWKHWUDSVKRXOGEHSULPHGZLWKVXႈFLHQZDWHU

WRHQVXUHSURSHUFRQGHQVDWHGUDLQRSHUDWLRQ

WARNING

,I\RXGRQRWIROORZWKHVHLQVWUXFWLRQVH[DFWO\D¿UHRU

H[SORVLRQPD\UHVXOWFDXVLQJSURSHUW\GDPDJHSHUVRQDO

LQMXU\RUGHDWK

Gas Valve Operation (Figure 45)

1. STOP!5HDGWKHVDIHW\LQIRUPDWLRQDWWKHEHJLQQLQJRI

WKLVVHFWLRQ

6HWWKHWKHUPRVWDWWRWKHORZHVWVHWWLQJ

7XUQRႇDOOHOHFWULFDOSRZHUWRWKHXQLW

7KLVIXUQDFHLVHTXLSSHGZLWKDQLJQLWLRQGHYLFHZKLFK

DXWRPDWLFDOO\OLJKWVWKHEXUQHUV'RQRWWU\WROLJKWWKH

EXUQHUVE\KDQG

5HPRYHWKHDFFHVVSDQHO

0RYHJDVYDOYHVZLWFKWR2))6HHFigure 45.

:DLW¿YHPLQXWHVWRFOHDURXWDQ\JDV,I\RXWKHQVPHOO

JDVSTOP!,PPHGLDWHO\FDOO\RXUJDVVXSSOLHUIURPD

QHLJKERU¶VSKRQH)ROORZWKHJDVVXSSOLHU¶VLQVWUXFWLRQV

,I\RXGRQRWVPHOOJDVJRWRQH[WVWHS

0RYHJDVYDOYHVZLWFKWR216HHFigure 45.

Figure 45. *DV9DOYH6KRZQLQWKH213RVLWLRQ

5HSODFHWKHDFFHVVSDQHO

7XUQRQDOOHOHFWULFDOSRZHUWRWRWKHXQLW

6HWWKHWKHUPRVWDWWRGHVLUHGVHWWLQJ

NOTE::KHQXQLWLVLQLWLDOO\VWDUWHGVWHSVWKURXJK

PD\QHHGWREHUHSHDWHGWRSXUJHDLUIURPJDVOLQH

,IWKHDSSOLDQFHZLOOQRWRSHUDWHIROORZWKHLQVWUXFWLRQV

³7XUQLQJ2ႇ*DVWR8QLW´DQGFDOO\RXUVHUYLFH

WHFKQLFLDQRUJDVVXSSOLHU

7XUQLQJ2ႇ*DVWR8QLW

6HWWKHWKHUPRVWDWWRWKHORZHVWVHWWLQJ

7XUQRႇDOOHOHFWULFDOSRZHUWRWKHXQLWLIVHUYLFHLVWREH

SHUIRUPHG

5HPRYHWKHDFFHVVSDQHO

0RYHJDVYDOYHVZLWFKWR2))

5HSODFHWKHDFFHVVSDQHO

3DJH

31-5001163 Rev. 0

Service Information

START-UP (Cont.)

Failure To Operate

,IWKHXQLWIDLOVWRRSHUDWHFKHFNWKHIROORZLQJ

,VWKHWKHUPRVWDWFDOOLQJIRUKHDW"

$UHDFFHVVSDQHOVVHFXUHO\LQSODFH"

,VWKHPDLQGLVFRQQHFWVZLWFKFORVHG"

,VWKHUHDEORZQIXVHRUWULSSHGEUHDNHU"

,VWKH¿OWHUGLUW\RUSOXJJHG"'LUW\RUSOXJJHG¿OWHUVZLOO

FDXVHWKHOLPLWFRQWUROWRVKXWWKHXQLWRႇ

,VJDVWXUQHGRQDWWKHPHWHU"

,VWKHPDQXDOPDLQVKXWRႇYDOYHRSHQ"

,VWKHLQWHUQDOPDQXDOVKXWRႇYDOYHRSHQ"

,VWKHXQLWLJQLWLRQV\VWHPLQORFNRXW",IWKHXQLWORFNVRXW

DJDLQLQVSHFWWKHXQLWIRUEORFNDJHV

HEATING SYSTEM SERVICE CHECKS

&6$&HUWL¿FDWLRQ

$OOXQLWVDUH&6$GHVLJQFHUWL¿HGZLWKRXWPRGL¿FDWLRQV

5HIHUWRWKHNF97D***T**R2SHUDWLRQDQG,QVWDOODWLRQ

,QVWUXFWLRQ0DQXDO,QIRUPDWLRQ

Gas Piping

CAUTION

,IDÀH[LEOHJDVFRQQHFWRULVUHTXLUHGRU

DOORZHGE\WKHDXWKRULW\WKDWKDVMXULVGLFWLRQEODFNLURQSLSH

VKDOOEHLQVWDOOHGDWWKHJDVYDOYHDQGH[WHQGRXWVLGHWKH

IXUQDFHFDELQHW7KHÀH[LEOHFRQQHFWRUFDQWKHQEHDGGHG

EHWZHHQWKHEODFNLURQSLSHDQGWKHJDVVXSSO\OLQH

WARNING

'RQRWRYHUWRUTXHLQOEVRUXQGHU

WRUTXHLQOEVZKHQDWWDFKLQJWKHJDVSLSLQJWRWKHJDV

YDOYH

*DVVXSSO\SLSLQJVKRXOGQRWDOORZPRUHWKDQ´:&

GURSLQSUHVVXUHEHWZHHQJDVPHWHUDQGXQLW6XSSO\JDV

SLSHPXVWQRWEHVPDOOHUWKDQXQLWJDVFRQQHFWLRQ

&RPSRXQGVXVHGRQJDVSLSLQJWKUHDGHGMRLQWVVKRXOGEH

UHVLVWDQWWRDFWLRQRIOLTXH¿HGSHWUROHXPJDVHV

Testing Gas Piping

IMPORTANT

,QFDVHHPHUJHQF\VKXWGRZQLVUHTXLUHG

WXUQRႇWKHPDLQVKXWRႇYDOYHDQGGLVFRQQHFWWKHPDLQ

SRZHUWRXQLW7KHVHFRQWUROVVKRXOGEHSURSHUO\ODEHOHGE\

WKHLQVWDOOHU

:KHQSUHVVXUHWHVWLQJJDVOLQHVWKHJDVYDOYHPXVWEH

GLVFRQQHFWHGDQGLVRODWHG*DVYDOYHVFDQEHGDPDJHG

LIVXEMHFWHGWRPRUHWKDQSVLJ´:&6HHFigure

46,IWKHSUHVVXUHLVJUHDWHUWKDQSVLJ´:&XVH

WKHPDQXDOVKXWRႇYDOYHEHIRUHSUHVVXUHWHVWLQJWRLVRODWH

IXUQDFHIURPJDVVXSSO\

Figure 46.

:KHQFKHFNLQJSLSLQJFRQQHFWLRQVIRUJDVOHDNVXVH

SUHIHUUHGPHDQV.LWFKHQGHWHUJHQWVFDQFDXVHKDUPIXO

FRUURVLRQFRUURVLRQRQYDULRXVPHWDOVXVHGLQJDV

SLSLQJ8VHRIDVSHFLDOW\*DV/HDN'HWHFWRULVVWURQJO\

UHFRPPHQGHG

WARNING

'RQRWXVHPDWFKHVFDQGOHVÀDPHRUDQ\

RWKHUVRXUFHRILJQLWLRQWRFKHFNIRUJDVOHDNV

Testing Gas Supply Pressure

$QLQOHWSRVWORFDWHGRQWKHJDVYDOYHSURYLGHVDFFHVVWR

WKHVXSSO\SUHVVXUH6HHFigure 45%DFNRXWWKHKH[

VFUHZRQHWXUQFRQQHFWDSLHFHRIWXELQJDQGFRQQHFW

WRDPDQRPHWHUWRPHDVXUHVXSSO\SUHVVXUHSee Table 19

IRUVXSSO\OLQHSUHVVXUH

Manifold Pressure Measurement

NOTE:3UHVVXUHWHVWDGDSWHUNLW/LVDYDLODEOHIURP

$OOLHGWRIDFLOLWDWHPDQLIROGSUHVVXUHPHDVXUHPHQW

$PDQLIROGSUHVVXUHSRVWORFDWHGRQWKHJDVYDOYHSURYLGHV

DFFHVVWRWKHPDQLIROGSUHVVXUH6HHFigure 45%DFN

RXWWKHKH[VFUHZRQHWXUQFRQQHFWDSLHFHRI

WXELQJDQGFRQQHFWWRDPDQRPHWHUWRPHDVXUHPDQLIROG

SUHVVXUH

7RFRUUHFWO\PHDVXUHPDQLIROGSUHVVXUHWKHGLႇHUHQWLDO

SUHVVXUHEHWZHHQWKHSRVLWLYHJDVPDQLIROGDQGWKH

QHJDWLYHEXUQHUER[PXVWEHFRQVLGHUHG

IMPORTANT

)RUVDIHW\FRQQHFWDVKXWRႇYDOYH

EHWZHHQWKHPDQRPHWHUDQGWKHJDVWDSWRSHUPLWVKXWRႇ

RIJDVSUHVVXUHWRWKHPDQRPHWHU

MANUAL MAIN SHUT-OFF VALVE

WILL NOT HOLD TEST PRESSURE

IN EXCESS OF 0.5 PSIG (14”W.C.)

GAS VALVE

CAP

1/8 NPT PLUG

3DJH

31-5001163 Rev. 0

Service Information

HEATING SYSTEM SERVICE CHECKS (Cont.)

Manifold Pressure Measurement (Cont.)

&RQQHFWWKHWHVWJDXJHSRVLWLYHVLGH³³WRPDQLIROG

SUHVVXUHWDSRQJDVYDOYHDVQRWHGDERYH

7HHLQWRWKHJDVYDOYHUHJXODWRUYHQWKRVHDQGFRQQHFW

WRWHVWJDXJHQHJDWLYH³´

,JQLWHXQLWRQORZ¿UHDQGOHWUXQIRUPLQXWHVWRDOORZ

IRUVWHDG\VWDWHFRQGLWLRQV

$IWHUDOORZLQJXQLWWRVWDELOL]HIRUPLQXWHVUHFRUGORZ

¿UHPDQLIROGSUHVVXUHDQGFRPSDUHWRYDOXHJLYHQLQ

7DEOH,IQHFHVVDU\PDNHDGMXVWPHQW)LJXUH

VKRZVORFDWLRQRIORZ¿UHDGMXVWPHQWVFUHZ

5HSHDWRQKLJK¿UHDQGFRPSDUHWRYDOXHJLYHQLQ7DEOH

,IQHFHVVDU\PDNHDGMXVWPHQW)LJXUHVKRZV

ORFDWLRQRIKLJK¿UHDGMXVWPHQWVFUHZ

6KXWXQLWRႇDQGUHPRYHPDQRPHWHUDVVRRQDVDQ

DFFXUDWHUHDGLQJKDVEHHQREWDLQHG7DNHFDUHWR

UHSODFHSUHVVXUHWDSSOXJ

6WDUWXQLWDQGSHUIRUPOHDNFKHFN6HDOOHDNVLIIRXQG

7KHJDVYDOYHLVIDFWRU\VHWDQGVKRXOGQRWUHTXLUH

DGMXVWPHQW$OOJDVYDOYHVDUHIDFWRU\UHJXODWHG

*DV)ORZ$SSUR[LPDWH

)XUQDFHVKRXOGRSHUDWHDWOHDVWPLQXWHVEHIRUHFKHFNLQJ

JDVÀRZ'HWHUPLQHWLPHLQVHFRQGVIRUWZRUHYROXWLRQVRI

JDVWKURXJKWKHPHWHU7ZRUHYROXWLRQVDVVXUHVDPRUH

DFFXUDWHWLPH'LYLGHE\WZRDQGFRPSDUHWRWLPHLQTable

17,IPDQLIROGSUHVVXUHPDWFKHVTable 19 DQGUDWHLV

LQFRUUHFWFKHFNJDVRUL¿FHVIRUSURSHUVL]HDQGUHVWULFWLRQ

NOTE: 7RREWDLQDFFXUDWHUHDGLQJVKXWRႇDOORWKHUJDV

DSSOLDQFHVFRQQHFWHGWRPHWHU

Table 17. Gas Meter Clocking Chart

IMPORTANT

)RUVDIHW\VKXWXQLWRႇDQGUHPRYH

PDQRPHWHUDVVRRQDVDQDFFXUDWHUHDGLQJKDVEHHQ

REWDLQHG7DNHFDUHWRUHSODFHSUHVVXUHWDSSOXJ

Unit

Seconds for One Revolution

Natural LP/Propane

1 cu ft Dial 2 cu ft Dial 1 cu ft Dial 2 cu ft Dial

-045 80 160 200 400

-070 55 110 136 272

-090 41 82 102 204

-110 33 66 82 164

1DWXUDOEWXFXIW/3EWXFXIW

3DJH

31-5001163 Rev. 0

Service Information

HEATING SYSTEM SERVICE CHECKS (Cont.)

Proper Combustion

)XUQDFHVKRXOGRSHUDWHPLQLPXPPLQXWHVZLWKFRUUHFW

PDQLIROGSUHVVXUHDQGJDVÀRZUDWHEHIRUHFKHFNLQJ

FRPEXVWLRQ6HHVHFWLRQV(DQG)7DNHFRPEXVWLRQ

VDPSOHEH\RQGWKHÀXHRXWOHW7DEOHVKRZVDFFHSWDEOH

FRPEXVWLRQV7KHPD[LPXPFDUERQPRQR[LGHUHDGLQJ

VKRXOGQRWH[FHHGSSP

Table 18.

High Altitude

7KHPDQLIROGSUHVVXUHJDVRUL¿FHDQGSUHVVXUHVZLWFK

PD\UHTXLUHDGMXVWPHQWRUUHSODFHPHQWWRHQVXUHSURSHU

RSHUDWLRQDWKLJKHUDOWLWXGHV6HH7DEOHIRUPDQLIROG

SUHVVXUHVDQGTable 20IRUJDVFRQYHUVLRQDQGSUHVVXUH

VZLWFKNLWV

Unit

CO2 % For Nat CO2 % For LP

/RZ)LUH High Fire /RZ)LUH High Fire

045 5.6 - 6.6 7.8 - 8.8 6.6 - 7.6 9.1 - 10.1

070 5.6 - 6.5 7.3 - 8.3 6.5 - 7.5 8.6 - 9.6

090 5.9 - 6.9 7.8 - 8.8 6.9 - 7.9 9.1 - 10.1

110 6.63 - 7.3 8.2 - 9.2 7.3 - 8.3 9.5 - 10.5

7KH PD[LPXP FDUERQ PRQR[LGH UHDGLQJ VKRXOG QRW H[FHHG

SSP

Unit Gas

0DQLIROG3UHVVXUHLQZJ

Supply Line

3UHVVXUHLQZJ

0 - 10000 ft.

0 - 4500 ft. 4501 - 5500 ft. 5501 - 6500 ft. 6501 - 7500 ft. 7501 - 10000 ft.

/RZ

Fire

High

Fire

/RZ

Fire

High

Fire

/RZ

Fire

High

Fire

/RZ

Fire

High

Fire

/RZ

Fire

High

Fire

Min Max

$OO

6L]HV

1DWXUDO 1.7 3.5 1.6 3.3 1.5 3.2 1.5 3.1 1.7 3.5 4.5 13.0

/3

3URSDQH

4.5 10.0 4.2 9.4 4.0 9.1 3.9 8.9 4.5 10.0 11.0 13.0

NOTE:$QDWXUDOWR/3SURSDQHJDVFKDQJHRYHUNLWLVQHFHVVDU\WRFRQYHUWWKLVXQLW5HIHUWRWKHFKDQJHRYHUNLWLQVWDOODWLRQ

LQVWUXFWLRQIRUWKHFRQYHUVLRQSURFHGXUH

7DEOH0DQLIROGDQG6XSSO\/LQH3UHVVXUHIW

7DEOH&RQYHUVLRQ.LW)DQ3UHVVXUH6ZLWFK5HTXLUHPHQWVDW9DU\LQJ$OWLWXGHV

Model

Natural to LP/

Propane

High Altitude Natural

%XUQHU2UL¿FH.LW

High Altitude LP/

3URSDQH%XUQHU2UL¿FH

Kit

+LJK$OWLWXGH3UHVVXUH6ZLWFK

0 - 7500 ft (0 - 2286m)

7501 - 10000 ft (2286 -

3048m)

7501 - 10000 ft (2286 -

3048m)

4501 - 7500 ft (1371 -

2286m)

7501 - 10000 ft

(2286 - 3048m)

045

. : .

14A51 14A53

070 14A48 14A54

090 14A54 14A53

110 % 14A45

&RQYHUVLRQUHTXLUHVLQVWDOODWLRQRIDJDVYDOYHPDQLIROGVSULQJZKLFKLVSURYLGHGZLWKWKHJDVFRQYHUVLRQNLW

3UHVVXUHVZLWFKLVIDFWRU\VHW1RDGMXVWPHQWQHFHVVDU\$OOPRGHOVXVHWKHIDFWRU\LQVWDOOHGSUHVVXUHVZLWFKIURPIHHW

P

3DJH

31-5001163 Rev. 0

Service Information

Figure 47.

HEATING SYSTEM SERVICE CHECKS (Cont.)

Proper Ground and Voltage

$SRRUO\JURXQGHGIXUQDFHFDQFRQWULEXWHWRSUHPDWXUH

LJQLWRUIDLOXUH8VHWKHIROORZLQJSURFHGXUHWRFKHFNIRU

JURXQGDQGYROWDJHWRWKHLQWHJUDWHGFRQWURO

0HDVXUHWKH$&YROWDJHEHWZHHQ/LQH1HXWUDOVSDGH

WHUPLQDOVDQG³&´WHUPLQDOORZYROWDJHWHUPLQDOEORFN

RQWKHLQWHJUDWHGFRQWURO6HHFigure 47$ZLGH

YDULDWLRQLQWKHYROWDJHEHWZHHQ/LQH1HXWUDODQG³&´

DVDIXQFWLRQRIORDGLQGLFDWHVDSRRURUSDUWLDOJURXQG

&RPSDUHWKHUHDGLQJVWRTable 21,IWKHUHDGLQJV

H[FHHGWKHPD[LPXPVKRZQLQTable 21PDNHUHSDLUV

EHIRUHRSHUDWLQJWKHIXUQDFH

,QDGGLWLRQPHDVXUHWKH$&YROWDJHIURP/LQH+RWWR

/LQH1HXWUDOVSDGHWHUPLQDOVRQWKHLQWHJUDWHGFRQWURO

6HHFigure 477KLVYROWDJHVKRXOGEHLQWKHUDQJHRI

WR9DF

Table 21.

Furnace Status

Measurement VAC

Expected Maximum

3RZHU2Q)XUQDFH,GOH 0.3 2

&$,,JQLWRU(QHUJL]HG 0.75 5

,QGRRU%ORZHU(QHUJL]HG /HVVWKDQ 10

CHECK VOLTAGE BETWEEN LINE NEUTRAL

AND LOW VOLTAGE “C” TERMINAL

CHECK VOLTAGE BETWEEN LINE HOT

AND LINE NEUTRAL

3DJH

31-5001163 Rev. 0

Service Information

TYPICAL OPERATING CHARACTERISTICS

%ORZHU2SHUDWLRQDQG$GMXVWPHQW

NOTE:7KHIROORZLQJLVDJHQHUDOL]HGSURFHGXUHDQGGRHV

QRWDSSO\WRDOOWKHUPRVWDWFRQWUROV

%ORZHURSHUDWLRQLVGHSHQGHQWRQWKHUPRVWDWFRQWURO

V\VWHP

*HQHUDOO\EORZHURSHUDWLRQLVVHWDWWKHUPRVWDWVXEEDVH

IDQVZLWFK:LWKIDQVZLWFKLQ21SRVLWLRQEORZHU

RSHUDWHVFRQWLQXRXVO\:LWKIDQVZLWFKLQ$872SRVLWLRQ

EORZHUF\FOHVZLWKGHPDQGRUUXQVFRQWLQXRXVO\ZKLOH

KHDWLQJRUFRROLQJFLUFXLWF\FOHV

'HSHQGLQJRQWKHW\SHRILQGRRUWKHUPRVWDWEORZHUDQG

HQWLUHXQLWZLOOEHRႇZKHQWKHV\VWHPVZLWFKLVLQ2))

SRVLWLRQ

Temperature Rise (Figure 48)

7HPSHUDWXUHULVHIRUNF97D***T**RXQLWVGHSHQGVRQXQLW

LQSXWEORZHUVSHHGEORZHUKRUVHSRZHUDQGVWDWLFSUHVVXUH

DVPDUNHGRQWKHXQLWUDWLQJSODWH7KHEORZHUVSHHGPXVW

EHVHWIRUXQLWRSHUDWLRQZLWKLQWKHUDQJHRI³7(035,6(

)´OLVWHGRQWKHXQLWUDWLQJSODWH

TEMPERATURE RISE

6XSSO\'XFW7HPSHUDWXUHBBBBBBBB

5HWXUQ'XFW7HPSHUDWXUH±BBBBBB

7HPSHUDWXUH5LVH BBBBBBBB

5HWXUQ

6XSSO\

7HPSHUDWXUHV

Figure 48.

External Static Pressure

7DSORFDWLRQVVKRZQLQFigure 49.

3XQFKD´GLDPHWHUKROHLQVXSSO\DQGUHWXUQDLU

SOHQXPV,QVHUWPDQRPHWHUKRVHÀXVKZLWKLQVLGH

HGJHRIKROHRULQVXODWLRQ6HDODURXQGWKHKRVHZLWK

SHUPDJXP&RQQHFWWKH]HURHQGRIWKHPDQRPHWHUWR

WKHGLVFKDUJHVXSSO\VLGHRIWKHV\VWHP2QGXFWHG

V\VWHPVFRQQHFWWKHRWKHUHQGRIPDQRPHWHUWRWKH

UHWXUQGXFWDVDERYH

:LWKRQO\WKHEORZHUPRWRUUXQQLQJDQGWKHHYDSRUDWRU

FRLOGU\REVHUYHWKHPDQRPHWHUUHDGLQJ$GMXVWEORZHU

PRWRUVSHHGWRGHOLYHUWKHDLUGHVLUHGDFFRUGLQJWRWKH

MREUHTXLUHPHQWV)RUKHDWLQJVSHHGH[WHUQDOVWDWLF

SUHVVXUHGURSPXVWQRWEHPRUHWKDQ´:&)RU

FRROLQJVSHHGH[WHUQDOVWDWLFSUHVVXUHGURSPXVWQRWEH

PRUHWKDQ´:&

6HDOWKHKROHZKHQWKHFKHFNLVFRPSOHWH

Figure 49.

High “+”

Low “-”



EXTERNAL STATIC PRESSURE

6XSSO\'XFW6WDWLFBBBBBBBB

5HWXUQ'XFW6WDWLFBBBBBB

7RWDO'XFW6WDWLF BBBBBBBBGU\FRLO

5HWXUQ

6XSSO\

3DJH

31-5001163 Rev. 0

Service Information

MAINTENANCE

WARNING

(/(&75,&$/6+2&.),5(25

EXPLOSION HAZARD. )DLOXUHWRIROORZVDIHW\ZDUQLQJV

H[DFWO\FRXOGUHVXOWLQGDQJHURXVRSHUDWLRQVHULRXVLQMXU\

GHDWKRUSURSHUW\GDPDJH

,PSURSHUVHUYLFLQJFRXOGUHVXOWLQGDQJHURXVRSHUDWLRQ

VHULRXVLQMXU\GHDWKRUSURSHUW\GDPDJH%HIRUHVHUYLFLQJ

GLVFRQQHFWDOOHOHFWULFDOSRZHUWRWKHIXUQDFH

:KHQVHUYLFLQJFRQWUROVODEHODOOZLUHVSULRUWR

GLVFRQQHFWLQJ7DNHFDUHWRUHFRQQHFWZLUHVFRUUHFWO\9HULI\

SURSHURSHUDWLRQDIWHUVHUYLFLQJ

$WWKHEHJLQQLQJRIHDFKKHDWLQJVHDVRQV\VWHPVKRXOGEH

FKHFNHGDVIROORZVE\DTXDOL¿HGVHUYLFHWHFKQLFLDQ

%ORZHU

&KHFNWKHEORZHUZKHHOIRUGHEULVDQGFOHDQLIQHFHVVDU\

7KHEORZHUPRWRUVDUHSUHOXEULFDWHGIRUH[WHQGHGEHDULQJ

OLIH1RIXUWKHUOXEULFDWLRQLVQHHGHG

WARNING

7KHEORZHUDFFHVVSDQHOPXVWEH

VHFXUHO\LQSODFHZKHQWKHEORZHUDQGEXUQHUVDUH

RSHUDWLQJ*DVIXPHVZKLFKFRXOGFRQWDLQFDUERQ

PRQR[LGHFDQEHGUDZQLQWROLYLQJVSDFHUHVXOWLQJLQ

SHUVRQDOLQMXU\RUGHDWK

Filters

$OODLU¿OWHUVDUHLQVWDOOHGH[WHUQDOWRWKHXQLW)LOWHUVVKRXOG

EHLQVSHFWHGPRQWKO\&OHDQRUUHSODFHWKH¿OWHUVZKHQ

QHFHVVDU\WRHQVXUHSURSHUIXUQDFHRSHUDWLRQTable 22

OLVWVUHFRPPHQGHG¿OWHUVL]HV

IMPORTANT

,IDKLJKHႈFLHQF\¿OWHULVEHLQJLQVWDOOHG

DVSDUWRIWKLVV\VWHPWRHQVXUHEHWWHULQGRRUDLUTXDOLW\

WKH¿OWHUPXVWEHSURSHUO\VL]HG+LJKHႈFLHQF\¿OWHUV

KDYHDKLJKHUVWDWLFSUHVVXUHGURSWKDQVWDQGDUGHႈFLHQF\

JODVVIRDP¿OWHUV,IWKHSUHVVXUHGURSLVWRRJUHDWV\VWHP

FDSDFLW\DQGSHUIRUPDQFHPD\EHUHGXFHG7KHSUHVVXUH

GURSPD\DOVRFDXVHWKHOLPLWWRWULSPRUHIUHTXHQWO\GXULQJ

WKHZLQWHUDQGWKHLQGRRUFRLOWRIUHH]HLQWKHVXPPHU

UHVXOWLQJLQDQLQFUHDVHLQWKHQXPEHURIVHUYLFHFDOOV

%HIRUHXVLQJDQ\¿OWHUZLWKWKLVV\VWHPFKHFNWKH

VSHFL¿FDWLRQVSURYLGHGE\WKH¿OWHUPDQXIDFWXUHU

Cabinet Width Filter Size

´

;;

´

Table 22

Exhaust and air intake pipes

&KHFNWKHH[KDXVWDQGDLULQWDNHSLSHVDQGDOOFRQQHFWLRQV

IRUWLJKWQHVVDQGWRPDNHVXUHWKHUHLVQREORFNDJH

NOTE: $IWHUDQ\KHDY\VQRZLFHRUIUR]HQIRJHYHQWWKH

IXUQDFHYHQWSLSHVPD\EHFRPHUHVWULFWHG$OZD\VFKHFN

WKHYHQWV\VWHPDQGUHPRYHDQ\VQRZRULFHWKDWPD\EH

REVWUXFWLQJWKHSODVWLFLQWDNHRUH[KDXVWSLSHV

Electrical

WARNING

Fire Hazard.

8VHRIDOXPLQXPZLUHZLWKWKLVSURGXFWPD\UHVXOWLQD

¿UHFDXVLQJSURSHUW\GDPDJHVHYHUHLQMXU\RUGHDWK8VH

FRSSHUZLUHRQO\ZLWKWKLVSURGXFW

CAUTION

)DLOXUHWRXVHSURSHUO\VL]HGZLULQJDQG

FLUFXLWEUHDNHUPD\UHVXOWLQSURSHUW\GDPDJH6L]HZLULQJ

DQGFLUFXLWEUHDNHUVSHU3URGXFW6SHFL¿FDWLRQVEXOOHWLQ

(+%DQGXQLWUDWLQJSODWH

&KHFNDOOZLULQJIRUORRVHFRQQHFWLRQV

&KHFNIRUWKHFRUUHFWYROWDJHDWWKHIXUQDFHIXUQDFH

RSHUDWLQJ&RUUHFWYROWDJHLV9$&

&KHFNDPSGUDZXVLQJDWUXH506PHWHURQWKHEORZHU

PRWRUZLWKEORZHUDFFHVVSDQHOLQSODFH

6HHFigure 50.

)XUQDFH1DPHSODWHBBBBBBBBBB$FWXDOBBBBBBBBBB

kVAr

kWh

COMM

OFF

7UXH5060HWHU

Figure 50. &KHFN0RWRU$03'UDZ

3DJH

31-5001163 Rev. 0

Service Information

MAINTENANCE (Cont.)

Winterizing and Condensate Trap Care

7XUQRႇSRZHUWRWKHIXUQDFH

+DYHDVKDOORZSDQUHDG\WRHPSW\FRQGHQVDWHZDWHU

5HPRYHWKHFOHDQRXWFDSIURPWKHFRQGHQVDWHWUDSDQG

HPSW\ZDWHU,QVSHFWWKHWUDSWKHQUHLQVWDOOWKHFOHDQRXW

FDS

Condensate Hose Screens (Figure 51)

&KHFNWKHFRQGHQVDWHKRVHVFUHHQVIRUEORFNDJHDQG

FOHDQLIQHFHVVDU\

7XUQRႇSRZHUWRWKHXQLW

5HPRYHKRVHVIURPFROGHQGKHDGHUER[7ZLVWDQGSXOO

VFUHHQVWRUHPRYH

,QVSHFWVFUHHQVDQGULQVHZLWKWDSZDWHULIQHHGHG

5HLQVWDOOVFUHHQVUHFRQQHFWKRVHVDQGWXUQRQSRZHUWR

XQLW

Figure 51. Condensate Hose Screens

Cleaning Heat Exchanger

,IFOHDQLQJWKHKHDWH[FKDQJHUEHFRPHVQHFHVVDU\

IROORZWKHEHORZSURFHGXUHVDQGUHIHUWRFigure 1ZKHQ

GLVDVVHPEOLQJXQLW8VHSDSHUVRUSURWHFWLYHFRYHULQJLQ

IURQWRIIXUQDFHZKLOHUHPRYLQJKHDWH[FKDQJHUDVVHPEO\

7XUQRႇHOHFWULFDODQGJDVVXSSOLHVWRWKHIXUQDFH

5HPRYHWKHIXUQDFHDFFHVVSDQHOV

'LVFRQQHFWWKHZLUHVIURPWKHJDVYDOYH

5HPRYHJDVVXSSO\OLQHFRQQHFWHGWRJDVYDOYH

5HPRYHWKHEXUQHUER[FRYHULIHTXLSSHGDQGUHPRYH

JDVYDOYHPDQLIROGDVVHPEO\

5HPRYHVHQVRUZLUHIURPVHQVRU'LVFRQQHFWSLQSOXJ

IURPWKHLJQLWRU

'LVFRQQHFWZLUHVIURPÀDPHUROORXWVZLWFKHV

/RRVHQFODPSVDWYHQWHOERZ'LVFRQQHFWFRQGHQVDWH

GUDLQWXELQJIURPÀXHFROODUDQGUHPRYHWKHYHQWHOERZ

/RRVHQFODPSVDQGUHPRYHFRPEXVWLRQDLULQWDNH

ÀH[LEOHFRQQHFWRULIHTXLSSHG

5HPRYHIRXUEXUQHUER[VFUHZVDWWKHYHVWLEXOHSDQHO

DQGUHPRYHEXUQHUER[6HWEXUQHUER[DVVHPEO\DVLGH

NOTE,IQHFHVVDU\FOHDQEXUQHUVDWWKLVWLPH)ROORZ

SURFHGXUHVRXWOLQHGLQ%XUQHU&OHDQLQJVHFWLRQ

0DUNDQGGLVFRQQHFWDOOFRPEXVWLRQDLUSUHVVXUHWXELQJ

IURPFROGHQGKHDGHUFROOHFWRUER[

0DUNDQGUHPRYHZLUHVIURPSUHVVXUHVZLWFKDVVHPEO\

5HPRYHSUHVVXUHVZLWFKDVVHPEO\.HHSWXELQJ

DWWDFKHGWRSUHVVXUHVZLWFKDVVHPEO\

'LVFRQQHFWWKHSOXJIURPWKHFRPEXVWLRQDLULQGXFHU

5HPRYHWZRVFUHZVZKLFKVHFXUHFRPEXVWLRQDLU

LQGXFHUWRFROOHFWRUER[5HPRYHFRPEXVWLRQDLU

LQGXFHUDVVHPEO\5HPRYHJURXQGZLUHIURPYHVW

SDQHO

5HPRYHHOHFWULFDOMXQFWLRQER[IURPWKHVLGHRIWKH

IXUQDFH

'LVFRQQHFWFRQGHQVDWHOLQHIURPFROGHQGKHDGHUER[

5HPRYHFROGHQGKHDGHUER[

/RRVHQFODPSVRQH[KDXVWDQGDLULQWDNHSLSHVHDO

SODWH6OLGHH[KDXVWDQGLQWDNHSLSHVXSDQGRXWWR

FOHDUEORZHUGHFN5HPRYHH[KDXVWDQGDLULQWDNHSLSH

VHDOSODWH

0DUNDQGGLVFRQQHFWDQ\UHPDLQLQJZLULQJWRKHDWLQJ

FRPSDUWPHQWFRPSRQHQWV'LVHQJDJHVWUDLQUHOLHI

EXVKLQJDQGSXOOZLULQJDQGEXVKLQJWKURXJKWKHKROHLQ

WKHEORZHUGHFN

5HPRYHWKHSULPDU\OLPLWIURPWKHYHVWLEXOHSDQHO

5HPRYHWZRVFUHZVIURPWKHIURQWFDELQHWÀDQJHDW

WKHEORZHUGHFN6SUHDGFDELQHWVLGHVVOLJKWO\WRDOORZ

FOHDUDQFHIRUUHPRYDORIKHDWH[FKDQJHU

5HPRYHVFUHZVDORQJYHVWLEXOHVLGHVZKLFKVHFXUH

YHVWLEXOHSDQHODQGKHDWH[FKDQJHUDVVHPEO\WR

FDELQHW5HPRYHWZRVFUHZVIURPEORZHUUDLOZKLFK

VHFXUHWRSKHDWH[FKDQJHUÀDQJH5HPRYHKHDW

H[FKDQJHUIURPIXUQDFHFDELQHW

%DFNZDVKKHDWH[FKDQJHUZLWKVRDS\ZDWHUVROXWLRQRU

VWHDP,IVWHDPLVXVHGLWPXVWEHEHORZ)&

7KRURXJKO\ULQVHDQGGUDLQWKHKHDWH[FKDQJHU6RDS

VROXWLRQVFDQEHFRUURVLYH7DNHFDUHWRULQVHHQWLUH

DVVHPEO\

5HLQVWDOOKHDWH[FKDQJHULQWRFDELQHWPDNLQJVXUH

WKDWWKHFODPVKHOOVRIWKHKHDWH[FKDQJHUDVVHPEO\

DUHHQJDJHGSURSHUO\LQWRWKHVXSSRUWEUDFNHWRQWKH

EORZHUGHFN5HPRYHWKHLQGRRUEORZHUWRYLHZWKLV

DUHDWKURXJKWKHEORZHURSHQLQJ

5HVHFXUHWKHVXSSRUWLQJVFUHZVDORQJWKHYHVWLEXOH

VLGHVDQGWRSWRWKHFDELQHW

5HLQVWDOOFDELQHWVFUHZVRQIURQWÀDQJHDWEORZHUGHFN

5HLQVWDOOWKHSULPDU\OLPLWRQWKHYHVWLEXOHSDQHO

5RXWHKHDWLQJFRPSRQHQWZLULQJWKURXJKKROHLQEORZHU

GHFNDQGUHLQVHUWVWUDLQUHOLHIEXVKLQJ

5HLQVWDOOHOHFWULFDOMXQFWLRQER[

Hose

3DJH

31-5001163 Rev. 0

Service Information

MAINTENANCE (Cont.)

Cleaning Heat Exchanger(Cont.)

5HLQVWDOOH[KDXVWDQGDLULQWDNHSLSHVHDOSODWH

5HLQVWDOOH[KDXVWDQGDLULQWDNHSLSHVDQGWLJKWHQ

FODPSVRQSLSHVHDOSODWH

5HLQVWDOOWKHFROGHQGKHDGHUER[

5HLQVWDOOWKHFRPEXVWLRQDLULQGXFHU5HFRQQHFWWKH

FRPEXVWLRQDLULQGXFHUWRWKHZLUHKDUQHVV

5HLQVWDOOSUHVVXUHVZLWFKDVVHPEO\DQGUHFRQQHFW

SUHVVXUHVZLWFKZLULQJ

&DUHIXOO\FRQQHFWFRPEXVWLRQDLUSUHVVXUHVZLWFKWXELQJ

IURPSUHVVXUHVZLWFKHVWRSURSHUSRUWVRQFROGHQG

KHDGHUFROOHFWRUER[

5HLQVWDOOFRQGHQVDWHWUDS

6HFXUHEXUQHUER[DVVHPEO\WRYHVWLEXOHSDQHOXVLQJ

IRXUH[LVWLQJVFUHZVMake sure burners line up in

center of burner ports.

5HFRQQHFWH[KDXVWSLSLQJDQGH[KDXVWGUDLQWXELQJ

5HFRQQHFWÀDPHUROORXWVZLWFKZLUHV

5HFRQQHFWVHQVRUZLUHDQGUHFRQQHFWSLQSOXJIURP

LJQLWRU

5HLQVWDOOJDVYDOYHPDQLIROGDVVHPEO\5HFRQQHFWJDV

VXSSO\OLQHWRJDVYDOYH

5HLQVWDOOEXUQHUER[FRYHULIHTXLSSHG

5HFRQQHFWSOXJWRJDVYDOYH

5HSODFHWKHEORZHUFRPSDUWPHQWDFFHVVSDQHO

)ROORZOLJKWLQJLQVWUXFWLRQVRQXQLWQDPHSODWHWROLJKW

DQGRSHUDWHIXUQDFHIRUPLQXWHVWRHQVXUHWKHIXUQDFH

LVRSHUDWLQJSURSHUO\

&KHFNDOOSLSLQJFRQQHFWLRQVIDFWRU\DQG¿HOGIRUJDV

OHDNV8VHDOHDNGHWHFWLQJVROXWLRQRURWKHUSUHIHUUHG

PHDQV

5HSODFHDFFHVVSDQHO

CAUTION

6RPHVRDSVXVHGIRUOHDNGHWHFWLRQ

DUHFRUURVLYHWRFHUWDLQPHWDOV&DUHIXOO\ULQVHSLSLQJ

WKRURXJKO\DIWHUOHDNWHVWKDVEHHQFRPSOHWHG'RQRWXVH

PDWFKHVFDQGOHVÀDPHRURWKHUVRXUFHVRILJQLWLRQWR

FKHFNIRUJDVOHDNV

Cleaning the Burner Assembly (if needed)

7XUQRႇHOHFWULFDODQGJDVSRZHUVXSSOLHVWRIXUQDFH

5HPRYHXSSHUDQGORZHUIXUQDFHDFFHVVSDQHOV

'LVFRQQHFWWKHSLQSOXJIURPWKHJDVYDOYH

5HPRYHWKHEXUQHUER[FRYHULIHTXLSSHG

'LVFRQQHFWWKHJDVVXSSO\OLQHIURPWKHJDVYDOYH

5HPRYHJDVYDOYHPDQLIROGDVVHPEO\

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3DJH

31-5001163 Rev. 0

Figure 52.

WIRING DIAGRAM

Service Information

J159

P159

IGNITOR

NOTE-

IF ANY WIRE IN THIS APPLIANCE IS REPLACED,IT

MUST BE REPLACED WITH WIRE OF LIKE SIZE,

HEATING UNITS-GAS

S51

NNN

EQUIPMENT

GROUND

P159

J159

BLUE

CB8

WARNING-

ELECTRIC SHOCK HAZARD,CAN CAUSE INJURY

OR DEATH.UNIT MUST BE GROUNDED IN ACCORDANCE

WITH NATIONAL AND LOCAL CODES.

DENOTES OPTIONAL COMPONENTS

LINE VOLTAGE FIELD INSTALLED

CLASS II VOLTAGE FIELD WIRING

24V

24VAC

SEC

S102

GV1

GAS

VALVE

R33

S10

INTEGRATED

CONTROL

A92

THERMOSTAT HEAT ANTICIPATION SETTING

INTEGRATED CONTROL

UNIT

LOW HEAT

PRESSURE

SWITCH

CB8

S102

HIGH HEAT

PRESSURE

SWITCH

PRIMARY

LIMIT

S47

CIRCUIT

BREAKER

TRANSFORMER

120V ACC

(IF USED)

GV1

GAS

VALVE

S51

ROOM THERMOSTAT

OUTDOOR

UNIT

321

S10

S128

COMBUSTION AIR

INDUCER MOTOR

P84

J84

INTERLOCK

DOOR

L13

POWER

CHOKE

P48

P49

J48

P48

24VAC

COM

TERMINAL BOARD

INDOOR

BLOWER

MOTOR

HIGH HEAT

INDOOR

BLOWER

MOTOR

Supersedes

Litho U.S.A.

MVL

HLI

RO(OUT)

GND

MV COM

FLAME

SENSOR

A92

FLAME

SENSE

HUM

WHT

120V

BLK

J84

COMBUSTION AIR

BLOWER MOTOR

COMBUSTION AIR

BLOWER MOTOR

P84

DOOR

INTERLOCK

LINE

CIRC

HIGH HEAT

PRESSURE SWITCH

LOW HEAT

PRESSURE SWITCH

S128

PS2

MVH

PS1

GND

HOT

W951

(1) S47

(2) S47

2 HEAT 2 COOL

S47

J159

P159

FLAME

ROLLOUT

SWITCH

FLAME

ROLLOUT

SWITCH

HONEYWELL VALVE

BURNERS

R33

IGNITOR

FLAME

SENSOR

FIELD SUPPLIED ACC WIRE

HI COOL LOW COOL

HEAT

COOL

FAN

COOL

AUTO

TWO STAGE

HEAT,COOL

USE COPPER CONDUCTORS ONLY

RO(IN)

HEAT PUMP

CUT W951 JUMPER FROM O TO R, LABELED

"HEAT PUMP", AT A92 CONTROL BOARD, WHEN

USED FOR DUAL FUEL APPLICATIONS

RATING, INSULATION THICKNESS, AND TERMINATION

W914

W915

NEUTRALS

.65 AMP

.43 AMP

WHITE RODGERS VALVE

NOTE: SEE INSTALLATION INSTRUCTIONS FOR PROCEDURE

TO SET CORRECT BLOWER SPEED FOR SPECIFIC COOLING

TONNAGE BEING APPLIED, AND HEATING TEMPERATURE

RISE DESIRED.

TYPICAL SYSTEM SHOWN FOR 2 HEAT/2 COOL WITH A

CONVENTIONAL THERMOSTAT. SEE INSTALLATION

INSTRUCTIONS FOR CONNECTIONS TO OTHER EQUIPMENT

AND ACCESSORIES.

DIP SWITCH FACTORY DEFAULT IS FOR A TWO

STAGE THERMOSTAT

DH AND L TERMINALS ARE NOT USED.

CUT W914 JUMPER LABELED DEHUM

FROM DS TO R, AT A92 CONTROL BOARD,

WHEN USED WITH A THERMOSTAT HAVING

DEHUMIDIFICATION CONTROL.

A92

INTEGRATED

CONTROL

2011

DIAGNOSTIC

RECALL

ACC

HUM

120V

ACC

BLACK

SEVEN

SEGMENT

LED

ACC

K11

HUMIDIFIER

120VAC

S1 ROOM THERMOSTAT

HUM

AT IFC

HUM

AT IFC

24VAC

TO C

TO R OR H ON THERMOSTAT

TO N

TO L1

SEE HUM VIEWS

BLUE

L13 USED ON 3/4 AND 1 HP ONLY

045-12

070-16

090-16

110-20

SPEED TAPS

BLK

RED

WHT

YEL

PINK

PURPLE

BLUE

YEL

ORG

PURPLE

BRW

PNK

BRW

BRW W / YEL

BRW

GRN/YEL

WHT/PINK

J49

BLUE

YLW

BRW

BLK

PARK

LOW HEAT

HIGH HEAT

LOW COOL

HIGH COOL

SEE BLOWER SPEED CHART

RED

LOW HEAT PARK

LOW

BLACK

YELLOW

RED

YELLOW

RED

BROWN

BLUE

BLACK

BLUE

BROWN

BLOWER SPEED SELECTION

JACK/PLUG-INDOOR BLOWER-POWER

J,P48

J,P49

J,P2

J,P84

JACKPLUG CHART

J,P3

J,P159

JACK/PLUG-INDOOR BLOWER-SPD TAP

JACK/PLUG-BURNER CONTROL

JACK/PLUG-COMB AIR INDUCER

JACK/PLUG-INDUCER/IGNITER

JACK/PLUG-IGNITION

DO NOT USE RED SPEED TAP FOR HIGH HEAT ON

ALL MODELS. DO NOT USE YELLOW SPEED TAP

FOR HIGH HEAT ON 070-12 OR 090-16 MODELS.

CUT W915 JUMPER LABELED "2 STAGE COMPR."

FROM Y1 TO Y2 AT A92 CONTROL WHEN USED

WITH A 2 STAGE COOL THERMOSTAT.

WHT/BLK

BLACK

GN/YLW

WHT

P49

24-V

COM.

DF045-12

DF070-16

DF090-16

DF110-20

STRIPE

BROWN

LGWP SENSORS

INDOOR/EVAPORATOR

COIL

LGWP

SW3

LGWP

TEST

ALARM

ZONE

3DJH

31-5001163 Rev. 0

Service Information

Figure 53. +HDWLQJ2SHUDWLRQZLWK7ZR6WDJH7KHUPRVWDW

ELECTRONIC IGNITION

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1 stg heat demand

2 stg heat demand

OFF

low speed CAI

Pre-Purge

Ignitor Warm-up

30 second

blower

“on” delay

Post

Purge

5 SEC80

ignitor

HEATING OPERATION WITH TWO-STAGE THERMOSTAT

low fire gas valve

indoor blower low heat

high speed CAI

high fire gas valve

indoor blower high heat

Trial For

Ignition

blower

“off”

delay

RECOGNITION PERIOD

30 seconds

3DJH

31-5001163 Rev. 0

Service Information

ELECTRONIC IGNITION (Cont.)

Applications Using A Single-Stage Thermostat

6HHFigure 54IRULJQLWLRQFRQWUROVHTXHQFH

Heating Sequence -- Integrated Control Thermostat

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Figure 54. +HDWLQJ2SHUDWLRQZLWK6LQJOH6WDJH7KHUPRVWDW

heat demand

OFF

low speed CAI

Pre-Purge

Ignitor Warm-up

30 second

blower

“on” delay

Post

Purge

5 SEC80

ignitor

HEATING OPERATION WITH SINGLE STAGE THERMOSTAT

low fire gas valve

indoor blower low heat

high speed CAI

high fire gas valve

indoor blower high heat

Trial For

Ignition

blower

“off”

delay

7 or 12 minutes after heating demand begins, furnace switches to high fire (depending on setting)

3DJH

31-5001163 Rev. 0

CUT FOR

OPTION

SELECTION

W915

2 STAGE

COMPR

W951

HEAT PUMP

W914

DEHUM OR

HARMONY

CUT FOR

OPTION

SELECTION

W915

2 STAGE

COMPR

W951

HEAT

PUMP

W914

DEHUM

HARMONY

Service Information

FIELD WIRING APPLICATIONS

1RWUHTXLUHGRQDOOXQLWV

Table 23A.

Thermostat

',36ZLWFK6HWWLQJVDQG2Q%RDUG/LQNV

Wiring Connections

',36ZLWFK

Thermostat

Heating Stages

On Board Links Must Be Cut To Select

System Options

+HDW&RRO

NOTE -8VH',3

VZLWFKWRVHW

VHFRQGVWDJH

KHDW21GHOD\

2))PLQXWHV

21PLQXWHV

'2127&87$1<

21%2$5'/,1.6

+HDW&RRO

NOTE -8VH',3

VZLWFK  WR VHW

VHFRQGVWDJH

KHDW 21 GHOD\

2)) PLQXWHV

21PLQXWHV

&8721%2$5'/,1.

:

67$*(

&2035

 +HDW   &RRO

ZLWK W¶VWDW ZLWK

KXPLGLW\FRQWURO

NOTE -8VH',3

VZLWFK  WR VHW

VHFRQGVWDJH

KHDW 21 GHOD\

2)) PLQXWHV

21PLQXWHV

&8721%2$5'/,1.

:

'(+80

&87

21%2$5'

/,1.:

'(+80

CUT FOR

OPTION

SELECTION

W915

2 STAGE

COMPR

W951

HEAT

PUMP

W914

DEHUM

HARMONY

T’STAT

FURNACE

TERM. STRIP

OUTDOOR

UNIT

'+'6

T’STAT

FURNACE

TERM. STRIP

OUTDOOR

UNIT

T’STAT

FURNACE

TERM. STRIP

OUTDOOR

UNIT

'+'6

3DJH

31-5001163 Rev. 0

Service Information

FIELD WIRING APPLICATIONS (Cont.)

Thermostat

',36ZLWFK6HWWLQJVDQG2Q%RDUG/LQNV

Wiring Connections

',36ZLWFK

Thermostat

Heating Stages

On Board Links Must Be Cut To Select

System Options

+HDW&RRO

2))

&8721%2$5'/,1.

:

67$*(

&2035

 +HDW   &RRO

ZLWK W¶VWDW ZLWK

KXPLGLW\FRQWURO

2))

&8721%2$5'/,1.

:

67$*(

&2035

&8721%2$5'/,1.

:

'(+80

 +HDW   &RRO

ZLWK W¶VWDW ZLWK

KXPLGLW\FRQWURO

2))

&8721%2$5'/,1.

:

'(+80

+HDW&RRO

2))

'2127&87$1<

21%2$5'/,1.6

T’STAT

FURNACE

TERM. STRIP

OUTDOOR

UNIT

T’STAT

FURNACE

TERM. STRIP

OUTDOOR

UNIT

T’STAT

FURNACE

TERM. STRIP

OUTDOOR

UNIT

T’STAT

FURNACE

TERM. STRIP

OUTDOOR

UNIT

'+'6

CUT FOR

OPTION

SELECTION

W915

2 STAGE

COMPR

W951

HEAT

PUMP

W914

DEHUM OR

HARMONY

CUT FOR

OPTION

SELECTION

W915

2 STAGE

COMPR

W951

HEAT

PUMP

W914

DEHUM

HARMONY

CUT FOR

OPTION

SELECTION

W915

2 STAGE

COMPR

W951

HEAT

PUMP

W914

DEHUM

HARMONY

CUT FOR

OPTION

SELECTION

W915

2 STAGE

COMPR

W951

HEAT

PUMP

W914

DEHUM

HARMONY

1RWUHTXLUHGRQDOOXQLWV

Table 23B.

3DJH

31-5001163 Rev. 0

Service Information

FIELD WIRING APPLICATIONS (Cont.)

Table 23C.

Thermostat

',36ZLWFK6HWWLQJVDQG2Q%RDUG/LQNV

Wiring Connections

',36ZLWFK

Thermostat

Heating Stages

On Board Links Must Be Cut To Select

System Options

'XDO)XHO

6LQJOH6WDJH

+HDW3XPS

7KHUPRVWDW

ZGXDOIXHO

FDSDELOLWLHV

&DSDEOHRI

VWDJHJDVKHDW

FRQWURO

2))

&8721%2$5'/,1.

:

+($73803

'XDO)XHO

7ZR6WDJH

+HDW3XPS

7KHUPRVWDW

ZGXDOIXHO

FDSDELOLWLHV

&DSDEOHRI

VWDJHJDVKHDW

FRQWURO

2))

&8721%2$5'/,1.

:

67$*(

&2035

&8721%2$5'

/,1.

:

+($73803

67M41*

T’STAT

FURNACE

TERM. STRIP

OUTDOOR

UNIT

out blue

67M41*

T’STAT

FURNACE

TERM. STRIP

OUTDOOR

UNIT

CUT FOR

OPTION

SELECTION

W915

2 STAGE

COMPR

W951

HEAT

PUMP

W914

DEHUM OR

HARMONY

CUT FOR

OPTION

SELECTION

W915

2 STAGE

COMPR

W951

HEAT

PUMP

W914

DEHUM OR

HARMONY

&RQQHFW:WR:21/<LIXVLQJGHIURVWWHPSHULQJNLW0

NOTE: DO NOTPDNHDZLUHFRQQHFWLRQEHWZHHQWKHURRPWKHUPRVWDW/WHUPLQDODQGWKH/WHUPLQDORIWKHIXUQDFHLQWHJUDWHGFRQWURO

3DJH

31-5001163 Rev. 0

Service Information

ELECTRONIC IGNITION (Cont.)

Table 23D.

Thermostat

',36ZLWFK6HWWLQJVDQG2Q%RDUG/LQNV

Wiring Connections

',36ZLWFK

Thermostat

Heating Stages

On Board Links Must Be Cut To Select

System Options

'XDO)XHO

6LQJOH6WDJH

+HDW3XPS

7KHUPRVWDW

ZGXDOIXHO

FDSDELOLWLHV

&DSDEOHRI

VWDJHJDV

KHDWFRQWUROZ

GHKXPLGL¿FDWLRQ

FRQWURO

2))

&8721%2$5'/,1.

:

+($73803

&8721%2$5'

/,1.

:

'(+80

'XDO)XHO

7ZR6WDJH

+HDW3XPS

7KHUPRVWDW

ZGXDOIXHO

FDSDELOLWLHV

&DSDEOHRI

VWDJHJDV

KHDWFRQWUROZ

GHKXPLGL¿FDWLRQ

FRQWURO

2))

&8721%2$5'/,1.

:

67$*(

&2035

&8721%2$5'

/,1.

:

+($73803

&8721%2$5'

/,1.

:

'(+80

CUT FOR

OPTION

SELECTION

W915

2 STAGE

COMPR

W951

HEAT

PUMP

W914

DEHUM OR

HARMONY

67M41*

’STAT

FURNACE

TERM. STRIP

OUTDOOR

UNIT

CUT FOR

OPTION

SELECTION

W915

2 STAGE

COMPR

W951

HEAT

PUMP

W914

DEHUM OR

HARMONY

out blue

67M41*

’STAT

FURNACE

TERM. STRIP

OUTDOOR

UNIT

&RQQHFW:WR:21/<LIXVLQJGHIURVWWHPSHULQJNLW0

NOTE: DO NOTPDNHDZLUHFRQQHFWLRQEHWZHHQWKHURRPWKHUPRVWDW/WHUPLQDODQGWKH/WHUPLQDORIWKHIXUQDFHLQWHJUDWHGFRQWURO

3DJH

31-5001163 Rev. 0

Service Information

LOW GWP APPLICATION

WARNING

)RUXVHZLWK*($SSOLDQFHVDSSURYHG

HYDSRUDWRUFRLODQG/*:3VHQVRUVRQO\8VHRULJLQDO

PDQXIDFWXUHUUHFRPPHQGHG/*:3VHQVRUVLIXVLQJQRQ

*($SSOLDQFHVDSSURYHGHYDSRUDWRUFRLO

Connecting the Furnace Control Board

Sensor.

6HH)LJXUHDQGIROORZVWHSVEHORZ

5RXWHVHQVRUZLUHWKURXJKSURYLGHGJURPPHW)RUPD

GULSORRSEHORZWKHFRQWUROERDUGRQXSÀRZLQVWDOODWLRQV

WRSUHYHQWFRQGHQVDWHGULSSLQJRQWKHFRQWUROERDUG

$YRLGVKDUSHGJHVZKHQURXWLQJVHQVRUZLUHGXULQJ

LQVWDOODWLRQ

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SOXJ/*:37KH0ROH[SOXJFOLSVKRXOGORFNLQWRWKH

0ROH[FRQQHFWLRQSRLQWIRUDVHFXUHGFRQQHFWLRQDVVKRZQ

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GHEULVDQGPRLVWXUH

NOTE:,QFRQ¿QHGVSDFHDSSOLFDWLRQVFRQQHFWWKH

VHFRQGVHQVRUWRWKH6(1625SOXJ/*:35HIHUWR

HYDSRUDWRUFRLOLQVWDOODWLRQLQVWUXFWLRQVIRUPRUHGHWDLO

Figure 55. 7ZR6WDJH&RQVWDQW7RUTXH&RQWURO

/RZ*:3'LS6ZLWFK6HWWLQJV

$GMXVWWKH',3VZLWFKVHWWLQJVWRWKHVHQVRUFRQ¿JXUDWLRQ

)DLOXUHWRGRVRZLOOFDXVHIDXOWVRQSRZHUXS6HHFigure

56DQGTable 24

Figure 56.

,QVLQJOHVHQVRUFRQ¿JXUDWLRQVWKHVHQVRUPXVWEH

FRQQHFWHGWRWKH6(1625SOXJ/*:3&RQ¿JXUDWLRQV

RWKHUWKDQWKHRQHVVKRZQLQTABLE 24ZLOOFDXVHD

VHUYLFLQJIDXOW

(DFK',3VZLWFKFRUUHVSRQGVWRDVHQVRUSRVLWLRQLH',3

VZLWFKWRVHQVRU',3VZLWFKWRVHQVRU7KHGHIDXOW

IDFWRU\VZLWFKSRVLWLRQVDUHVHWWR2))(1$%/('

7KHIXUQDFHFRQWUROERDUGVRIWZDUHUHDGVWKH2))SRVLWLRQ

DVDQDFWLYHVHQVRU$VHQVRUVKRXOGEHSUHVHQWIRUWKH

FRUUHVSRQGLQJVHQVRUFRQQHFWRU6HWWLQJWKH',3VZLWFKWR

21GLVDEOHVWKHVHQVRUSRVLWLRQ

Secondary Sensor Requirements

Additional Line Sets

,IDGGLWLRQDOUHIULJHUDQWOLQHMRLQWVDUHSUHVHQWRXWVLGHRI

WKHOLQHVHWVOHHYHDQGDVHFRQGDU\UHIULJHUDQWGHWHFWLRQ

VHQVRULVUHTXLUHGLWVLQVWDOODWLRQPXVWFRPSO\ZLWKWKH

UHTXLUHPHQWVOLVWHGLQ5HIULJHUDQW'HWHFWLRQ6HQVRU.LW

96HHFIGURE 57IRUURXWLQJWKHVHFRQGDU\VHQVRU

FDEOHWKURXJKWKHIXUQDFHFDELQHW

&RQ¿JXUDWLRQ 6ZLWFK 6ZLWFK

2QHVHQVRUFRQQHFWHGWR

6(1625SOXJ

2))

HQDEOH

21

GLVDEOH

7ZRVHQVRUVFRQQHFWHGWR

6(1625SOXJDQG6(1625SOXJ

2))

HQDEOH

2))

HQDEOH

1RVHQVRU5$RUKHDWRQO\

DSSOLFDWLRQV

21

GLVDEOH

21

GLVDEOH

7DEOH',36ZLWFK6HWWLQJV

3DJH

31-5001163 Rev. 0

Service Information

NON-LOW GWP APPLICATION

WARNING

)RU)XUQDFHRQO\DSSOLFDWLRQVRU)XUQDFH

UHSODFHPHQWLQD1RQ/RZ*:3DSSOLFDWLRQVWKH/2:

*:3VHQVRUVVKRXOGEHGLVDEOHGRWKHUZLVHWKHEORZHUZLOO

RSHUDWHFRQWLQXRXVO\7RGRWKLVWKH/RZ*:3'LS

VZLWFKHVVHWWLQJIRUERWK±6HQVRUDQGWKH6HQVRUPXVW

EHPRYHGWRWKH21SRVLWLRQ

)XUQDFH&RQWURO%RDUG/RZ*:30RGHV2I2SHUDWLRQ

7KHPRGHVRIRSHUDWLRQIRUWKHIXUQDFHFRQWUROERDUGDUH

,QLWLDOL]LQJ1RUPDO/HDN'HWHFWHGDQG)DXOW

Initializing

7KHIXUQDFHFRQWUROERDUGLVHVWDEOLVKLQJFRQQHFWLRQZLWK

WKHUHIULJHUDQWGHWHFWLRQVHQVRUDQGLVFRPSOHWLQJDQLQLWLDO

¿YHPLQXWHSXUJHVHTXHQFH

Normal

7KH+9$&V\VWHPLVIXQFWLRQLQJQRUPDOO\7KHIXUQDFH

FRQWUROERDUGKDVQRWGHWHFWHGDUHIULJHUDQWOHDN

Leak Detected

:KHQWKHIXUQDFHFRQWUROERDUGGHWHFWVDUHIULJHUDQWOHDN

7KHIXUQDFHFRQWUROERDUGVKXWVRႇWKH5LQSXW

9$&SRZHUWRWKHWKHUPRVWDWZKLFKGHHQHUJL]HV

WKHRXWGRRUXQLWFRPSUHVVRUDQGKHDWVRXUFHVVXFK

DVJDVDQGRUHOHFWULFVWULSKHDW1RKHDWLQJRUFRROLQJ

GHPDQGVZLOOEHPHW

7KHIXUQDFHFRQWUROERDUGDFWLYDWHVWKHEORZHUKLJK

VSHHG7KHEORZHUSXUJHVUHIULJHUDQWIURPWKHFDELQHW

SOHQXPDQGGXFWZRUN

$IWHUWKHIXUQDFHFRQWUROERDUGGHWHUPLQHVWKH

UHIULJHUDQWOHYHOVDUHEHORZWKHVDIHW\WKUHVKROGWKH

EORZHUZLOOFRQWLQXHWRRSHUDWHIRUWKHUHPDLQGHURIWKH

VHYHQPLQXWHF\FOH

$IWHUWKHEORZHUVHTXHQFHLVFRPSOHWHWKH+9$&

V\VWHPUHVXPHVQRUPDORSHUDWLRQ

NOTE7KH+9$&V\VWHPPD\QRWPDLQWDLQDFRROLQJRU

KHDWLQJVHWSRLQWLIDVLJQL¿FDQWOHDNH[LVWV$Q\UHIULJHUDQW

OHDNVWKDWUHPDLQXQDGGUHVVHGIRUDQH[WHQGHGWLPHPD\

FDXVHWKH+9$&V\VWHPWRVKXWGRZQRQDORZUHIULJHUDQW

SUHVVXUHOLPLWFRQGLWLRQ

Fault

:KHQD/RZ*:3IDXOWLVGHWHFWHGE\WKHIXUQDFHFRQWURO

ERDUGWKHLQGRRUXQLWEORZHUHQJDJHVDQGUHPDLQV

HQJDJHGDWDFRQVWDQWDLUÀRZRXWSXWXQWLOWKHIDXOWLV

FOHDUHG

NOTE6HHTable 4³,JQLWLRQ&RQWURO'LDJQRVWLF&RGHV´

6HJPHQW/HG

6HFRQG VHQVRU

WKURXJK OHIW VLGH

JURPPHW

/RZ*:36HQVRU

&DEOH WR 6HQVRU 

:KHQUHTXLUHG

)XUQDFH&RQWURO

/RZ*:36HQVRU

7KURXJK*URPPHW

&DEOHWR6HQVRU

6HQVRUFDEOHWR

HYDSFRLO

(YDSRUDWRUFRLO

Figure 57.

LGWP Test Button Functionality

7KHIXUQDFHFRQWUROERDUGLVHTXLSSHGZLWKD7HVW5HVHW

SXVKEXWWRQ7KH7HVWEXWWRQFDQEHXVHGWRSHUIRUP

VHYHUDOIXQFWLRQVGHSHQGLQJRQWKHPRGHRIRSHUDWLRQRI

WKHIXUQDFHFRQWUROERDUG

Table 25OLVWVWKHIXQFWLRQVRIWKH7HVWEXWWRQGXULQJHDFK

PRGHRIRSHUDWLRQ

Mode of Operation Press the Test Button to:

1RUPDO

7ULJJHUDOHDNGHWHFWLRQUHVSRQVH

9HULI\DOOHTXLSPHQWLVZLUHG

FRUUHFWO\LQWRWKHIXUQDFHEORZHU

FRQWUROERDUGDIWHULQVWDOODWLRQ

/HDN'HWHFWHG

5HVHWWKHIXUQDFHFRQWUROERDUGWR

DQRUPDOPRGHRIRSHUDWLRQDIWHU

DSUHYLRXVOHDNKDVEHHQGHWHFWHG

DQGSXUJHGIURPWKH+9$&V\VWHP

)DXOW

5HVHWWKHIXUQDFHFRQWUROERDUG

DIWHUWURXEOHVKRRWLQJDQGUHVROYLQJ

DIDXOWFRQGLWLRQ,IWKHIDXOWLVQRW

UHVROYHGWKHIXUQDFHFRQWUROERDUG

ZLOOHQWHUWKH)DXOWPRGHDJDLQ

Table 25. LGWP Test Button Function

3DJH

31-5001163 Rev. 0

Service Information

LGWP Test Button - Additional Functions

Table 26OLVWVWKHDGGLWLRQDOIXQFWLRQVRIWKH7HVW%XWWRQ

ZKLOHWKHIXUQDFHFRQWUROERDUGLVIXQFWLRQLQJZLWKLQWKH

VWDWHVRI,QLWLDOL]LQJ0RQLWRULQJ/HDN'HWHFWLRQ6HUYLFLQJ

DQG)DXOW

State Press Action

,QLWLDOL]LQJ 6KRUW

6NLSVUHPDLQLQJSUHSXUJHDIWHUVHQVRUVDUH

UHFRJQL]HGE\WKHIXUQDFHFRQWUROERDUG

,QLWLDOL]LQJ /RQJ 5HVHWFRQWURO

0RQLWRULQJ 6KRUW

&OHDUSXUJHFRXQWHULISULRUPLWLJDWLRQKDV

RFFXUUHG7HVWPLWLJDWLRQ

0RQLWRULQJ 6KRUW 5HVHWFRQWURO

0LWLJDWLQJ /RQJ ,IWHVWLQJPLWLJDWLRQHQGWHVW

6HUYLFLQJ 6KRUW

5HHYDOXDWHIDXOWFRQGLWLRQLIFOHDUHGUHWXUQWR

PRQLWRULQJRWKHUZLVHXSGDWHLQGLFDWRU

6HUYLFLQJ /RQJ 5HVHWFRQWURO

)DXOW 6KRUW

5HHYDOXDWHIDXOWFRQGLWLRQLIFOHDUHGUHWXUQWR

PRQLWRULQJRWKHUZLVHXSGDWHLQGLFDWRU

)DXOW /RQJ 5HVHWFRQWURO

Table 26. Additional Button Functions

External Alarm

)RUDSSOLFDWLRQVZLWKH[WHUQDODODUPVZLUHGGLUHFWO\WRWKH

IXUQDFHFRQWUROERDUG

7KHIXUQDFHFRQWUROERDUGWULJJHUVWKHH[WHUQDODODUP

V\VWHPZKHQLWHQWHUV/HDN'HWHFWHGPRGH)RUDODUP

QRWL¿FDWLRQVWKHIXUQDFHFRQWUROERDUGSURYLGHVDGU\UHOD\

FRQWDFWWKDWLVUDWHG$DW9$&'&

THERMOSTAT COMPATIBILITY

7KHUPRVWDWVWKDWSUHVHUYHPHPRU\VHWWLQJVDUHFRPSDWLEOH

ZLWKWKHIXUQDFHFRQWUROERDUG([DPSOHVLQFOXGH

• %DWWHU\SRZHUHGWKHUPRVWDWV

• $QDORJ7KHUPRVWDW

• /DWHPRGHOSURJUDPPDEOHWKHUPRVWDWV

NOTE(DUO\JHQHUDWLRQGLJLWDODQGSURJUDPPDEOH

WKHUPRVWDWVPD\QRWUHWDLQWKHRSHUDWLRQPRGHDQG

WHPSHUDWXUHVHWSRLQWVDIWHUDSRZHURXWDJH

7KHIROORZLQJVFHQDULRVDUHOLNHO\WRRFFXUZKHQKRPH

RFFXSDQWVDUHQRWDYDLODEOHWRDGMXVWWKHWKHUPRVWDWVHW

SRLQWVDVWKHV\VWHPLVUHFRYHULQJIURPOHDNGHWHFWLRQDQG

UHVXPLQJQRUPDORSHUDWLRQ

• +HDWLQJFRXOGEHORVWGXULQJDFROGQLJKW

• &RROLQJFRXOGEHORVWGXULQJDKRWGD\

• 7KHWKHUPRVWDWFRXOGUHVHWWRDQLQFRUUHFWWHPSHUDWXUH

VHWSRLQW

START UP PROCEDURE

7KHIXUQDFHFRQWUROERDUGLVHTXLSSHGZLWKD/*:37HVW

5HVHWEXWWRQVHH7HVW%XWWRQ)XQFWLRQDOLW\$IWHUWKH

IXUQDFHFRQWUROERDUGKDVEHHQPRXQWHGDQGZLUHGUHVWRUH

SRZHUWRWKH+9$&V\VWHP7KHV\VWHPZLOOWKHQUXQ

WKURXJKDSXUJHVHTXHQFHIRU¿YHPLQXWHV$IWHUWKHSXUJH

VHTXHQFHLVFRPSOHWHSURFHHGWRWHVWLQJFRROLQJGHPDQG

DQGKHDWLQJGHPDQG

Cooling Demand

3URPSWDFRROLQJGHPDQGDWWKHWKHUPRVWDW

3UHVVWKH/*:37HVWEXWWRQRQWKHIXUQDFHFRQWURO

ERDUG7KHV\VWHPWKHQH[HFXWHVDOHDNGHWHFWLRQ

UHVSRQVH

2EVHUYHWKHIROORZLQJVHTXHQFH

D7KH/('LQGLFDWRUIRUOHDNGHWHFWLRQ6HH Table 4

³,JQLWLRQFRQWUROGLDJQRVWLFFRGHV´

E7KHEORZHUSRZHUVXS

F7KHRXWGRRUFRPSUHVVRUSRZHUVGRZQ

3UHVVWKHLGWP TestEXWWRQWRWHUPLQDWHWKHVLPXODWHG

/HDN'HWHFWHGPRGHXSRQWHVWFRPSOHWLRQ

Heating Demand

3URPSWDKHDWLQJGHPDQGDWWKHWKHUPRVWDW

3UHVVWKH/*:37HVWEXWWRQRQWKHIXUQDFHFRQWURO

ERDUG7KHV\VWHPWKHQH[HFXWHVDOHDNGHWHFWLRQ

UHVSRQVH

2EVHUYHWKHIROORZLQJVHTXHQFH

D7KH/('LQGLFDWRUIRUOHDNGHWHFWLRQ6HHTable 4

³,JQLWLRQFRQWUROGLDJQRVWLFFRGHV´

E7KHEORZHUSRZHUVXS

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3DJH

31-5001163 Rev. 0

Service Information

TROUBLESHOOTING - Heating Sequence of Operation

HIGH

LIMIT SWITCH

CLOSED?

LOW

PRESSURE

SWITCH

OPEN?

INDUCER ON

PREíPURGE

(15 SECONDS)

1ST STAGE GAS

VALVE ENERGIZED

FLAME

SENSED WITHIN

4 SECONDS?

(LOW HEAT SPEED)

HEAT FAN OFF DELAY

(LOW HEAT SPEED)

AFTER HEAT FAN

OFF DELAY (LOW

HEAT SPEED)

YES

ERROR

CODE

FLASHES

ON(LOW HEAT

SPEED)

CALL

FOR HEAT

ENDS?

ERROR CODE

FLASHES (AFTER

5 SECONDS)

5TH

UNSUCCESSFUL

TRIAL?

POSTPURGE

(5 SECONDS)

INDUCER

OFF

YES

ROLLOUT

CIRCUITS

CLOSED?

DEíENERGIZE

GAS VALVE

ERROR

CODE

FLASHES

INDOOR BLOWER

ON (LOW HEAT

SPEED)

INDUCER ON

(HIGH SPEED)

LIMIT

SWITCH

CLOSED WITHIN 3

MINUTES?

CALL FOR

1ST STAGE HEAT

(LOW FIRE)

GAS VALVE

DEíENERGIZED

H.S.I. OFF

H.S.I. ON

(20 SECONDS)

ERROR CODE

FLASHES

CALL FOR HEAT SATISFIED

IGNITION TRIAL

BEGINS (H.S.I. ON)

HEAT FAN ON DELAY

TIMER STARTED

INTERPURGE

(15 SECONDS)

H.S.I. OFF

INDUCER OFF

AFTER POST

PURGE

HARD LOCKOUT í

ERROR CODE

FLASHES

YES

LOW PRESSURE

SWITCH OPENS

HARD LOCKOUT REQUIRES THERMOSTAT RESET OR CYCLING OF POWER TO RESET THE LOCKOUT.

IN CASE HIGH SPEED INDUCER IS RUNNING AT THE TIME THE GAS VALVE GETS ENERGIZED,

2ND STAGE GAS VALVE IS ENERGIZED INSTEAD OF 1ST STAGE. 20 SECONDS AFTER FLAME

IS SENSED, INDUCER SWITCHES TO LOW SPEED, AND GAS VALVE SWITCHES TO 1ST STAGE.

LOW

PRESSURE SWITCH

CLOSED WITHIN 120

SECONDS?

LOW & HIGH

PRESSURE SWITCH

CLOSED WITHIN 30

SECONDS?

HIGH

PRESSURE

SWITCH

OPEN

BEFORE

INDUCER WAS

TURNED ON?

INDUCER TO

HIGH SPEEDí

ERROR CODE

FLASHES

INDUCER OFF-

WAIT

5 MINUTES

ERROR CODE

FLASHES

YES

INDOOR BLOWER OFF AFTER

INDOOR

BLOWER OFF

INDOOR

BLOWER

ROLLOUT

CIRCUIT

CLOSES

LOW SPEED

INDOOR BLOWER

OFF AFTER HEAT

OFF DELAY

YES

INDOOR

BLOWER

ON?

ERROR CODE

FLASHES

INDOOR

BLOWER

ON?

INDOOR

BLOWER ON 30 SEC.

LOCKOUT AUTOMATICALLY RESETS AFTER ONE HOUR

CALL FOR FIRST-STAGE HEAT

INDOOR

BLOWER

OFF AFTER

HEAT FAN

OFF DELAY

3DJH

31-5001163 Rev. 0

Service Information

TROUBLESHOOTING - Heating Sequence of Operation (cont)

WHEN USED WITH A SINGLE STAGE THERMOSTAT, SET SW1 TO THE ON POSITION IN DIP SWITCH S4.

IF THE HIGH FIRE PRESSURE SWITCH DOES NOT CLOSE WITHIN 5 ATTEMPTS, THE SYSTEM WILL OPERATE AT

LOW FIRE FOR THE REMAINDER OF THE CALL FOR HEAT REQUEST.

2ND STAGE GAS VALVE

ENERGIZED

ONLY FOR 1ST

REQUEST FOR

2ND STAGE HEAT

YES

CALL FOR HEAT SATISFIED

INDUCER SWITCHED

TO HIGH SPEED

SINGLE STAGE

THERMOSTAT

2 STAGE THERMOSTAT

INDUCER SWITCHED

TO LOW SPEED

5 MINUTE DELAY

(ERROR CODE FLASHES)

HIGH

PRESSURE SWITCH

CLOSED WITHIN 10

SECONDS?

2ND STAGE

ON DELAY

EXPIRED?

CALL FOR 2ND STAGE HEAT

(HIGH FIRE)

YES

CALL FOR SECOND-STAGE HEAT

RECOGNITION

DELAY

(30 SECONDS)

EXPIRED?

INDOOR BLOWER ENERGIZED

ON HIGH HEAT SPEED

SYSTEM WILL ALWAYS LIGHT ON LOW FIIRE, EVEN IF 2ND STAGE HEAT IS IN PLACE.

3DJH

31-5001163 Rev. 0

Service Information

TROUBLESHOOTING - Heating Sequence of Operation (cont)

2ND STAGE HEAT

RUN MODE:

1ST OR 2ND STAGE CALL FOR HEAT.

ALL INPUTS MONITORED (LIMIT, PRESSURE,

CALL FOR HEAT/COOL, FLAME LEVEL)

2ND STAGE

CALL FOR HEAT

SATISFIED?

YES

'(í(1(5*,=(1'67AGE

GAS VALVE

INDUCER SPEED SWITCHED

TO LOW SPEED

2 3

1ST STAGE HEAT

1ST STAGE

CALL FOR HEAT

SATISFIED?

YES

GAS VALVE

DEíENERG,=ED

INDUCER OFF AFTER

5 SECOND POST PURGE

CALL FOR HEAT SATISFIED

FIRST-STAGE HEAT SECOND-STAGE HEAT

INDOOR BLOWER SWITCHED

TO LOW HEAT SPEED

INDOOR BLOWER OFF

AFTER FIELD SELECTABLE

OFF DELAY

3DJH

31-5001163 Rev. 0

Service Information

TROUBLESHOOTING - Cooling Sequence of Operation

1ST STAGE COOLING

REQUEST RECEIVED

ENERGIZE 1ST STAGE

COOLING CONTACTOR

(COMPRESSOR & FAN)

2ND STAGE

COOLING

REQUEST?

YES

1ST STAGE

COOLING REQUEST

STILL ACTIVE?

YES

ENERGIZE 2ND STAGE

COOLING CONTACTOR

(COMPRESSOR & FAN)

'(í(1(5*,=(1'

STAGE COOLING

CONTACTOR

(COMPRESSOR & FAN)

CONTROL WILL NOT RESPOND TO A 2ND STAGE COOLING REQUEST UNLESS A 1ST STAGE

COOLING REQUEST IS ACTIVE.

AND SPEED RAMPING PROFILES. THE SPECIFIC PROFILE IS SELECTED USING THE

'(í(1(5*,=(6T

STAGE COOLING

CONTACTOR

(COMPRESSOR & FAN)

2ND STAGE

COOLING REQUEST

STILL ACTIVE?

COOLING REQUEST

STILL ACTIVE?

CALL FOR COOLING

WAIT FOR COMPRESSOR TIMED

OFF DELAY TO EXPIRE

INDOOR BLOWER 2

SECOND ON DELAY

1ST STAGE

'(í(1(5*,=(,1'225

BLOWER

INDOOR BLOWER LOW COOLING MODE AND HIGH COOLING MODE HAVE SPECIFIC ON, OFF

ENERGIZE INDOOR BLOWER

(LOW COOLING MODE)

ENERGIZE INDOOR BLOWER

(HIGH COOLING MODE)

MAINTAIN INDOOR BLOWER

(HIGH COOLING MODE)

ENERGIZE AND MAINTAIN

INDOOR BLOWER AT

(LOW COOLING MODE)

DIP SWITCHES ON THE CONROL.

MAINTAIN INDOOR

BLOWER

(LOW COOLING MODE)

YES

3DJH

31-5001163 Rev. 0

Service Information

TROUBLESHOOTING - Continuous Fan / Accessories Sequence of Operation

CALL FOR FAN

REMOVED?

REQUEST

FOR HEAT

RECEIVED?

REQUEST

FOR COOLING

RECEIVED?

GO TO CALL FOR 1ST STAGE HEAT

GO TO CALL FOR COOLING

CALL FOR FAN

INDOOR BLOWER ON

CONTINUOUS FAN

SPEED

MAINTAIN INDOOR

BLOWER AT

CONTINUOUS FAN

MAINTAIN INDOOR

BLOWER AT

CONTINUOUS FAN

INDOOR BLOWER OFF

DE-ENERGIZE INDOOR

BLOWER

YES

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3DJH

31-5001163 Rev. 0

Notes

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GE - General Electric General Electric NF97D070T4BR 4-Ton 70K BTU 97% AFUE Downflow Gas Furnace

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