GE - General Electric GE NF97U070T3BR 3-Ton 70K BTU 97% AFUE 2-Stage Gas Furnace

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Below are documents related to this product, you can read online or download:
User Manual Specification
NF97U070T3BR photo

User Manual

This is the main product document for model NF97U070T3BR.

The file format is pdf, 72 pages, you can download this manual here .

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31-5001162 Rev. 0 11-25
NF97U***T**R
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Service
Manual
READ CAREFULLY.
KEEP THESE INSTRUCTIONS
.
GE is a trademark of the General Electric Company. Manufactured under trademark license.
Contact GE Appliances at:
+RPHRZQHUGEAppliances.com
+9$&3URGEAppliancesAirandWater.com
RU
866.814.3633
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AHRIDirectory.org
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31-5001162 Rev. 0
General Information
WARNING
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CAUTION
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31-5001162 Rev. 0
MODEL NUMBER GUIDE
PHYSICAL AND ELECTRICAL DATA
Model
1st Stage 2nd Stage
AFUE
(ICS)
Nominal
Cooling
Capacity
Gas
Inlet
(in.)
Volts/
Hz/
Phase
Min. Time
Delay
Breaker
or Fuse
Nominal
F.L.A.
Trans.
(V.A.)
Approx.
Shipping
Weight
(lbs.)
Input
(Btuh)
Output*
(Btuh)
Input
(Btuh)
Output*
(Btuh)
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1)87%5      2  120-60-1 15 6.4 40 120
1)87%5      3  120-60-1 15 6.4 40 121
1)87%5      3  120-60-1 15 6.4 40 129
1)87&5      4  120-60-1 15 9.3 40 151
1)87&5      5  120-60-1 20 12.3 40 160
1)87&5      5  120-60-1 20 12.3 40 
NOTE: )RUYHQWOHQJWKDQGFOHDUDQFHVWRFRPEXVWLEOHVSOHDVHUHIHUHQFHLQVWDOODWLRQLQVWUXFWLRQV
MAJOR/MINOR REVISION
REFRIGERANT
R - R454B COMPATIBLE
CABINET WIDTH
%´
&´
'´
NOMINAL CFM
&)0
&)0
&)0
&)0
DESIGN VARIANT
77:267$*(
BRAND
1*(
PRODUCT
))851$&(*$6
AFUE
 ()),&,(1&<
APPLICATION
883)/2:
HEATING INPUT (1000 BTU/HR)

N F 97
97
U T
5 C
XX
XX
110
110
$LUÀRZ
Descriptor
Disposable Filters Cleanable Filters
Minimum Area
(sq. in.)
Minimum Area
(sq.in.)
2 384 192
3  288
4  384
5 960 480
FILTER REQUIREMENT DATA
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31-5001162 Rev. 0
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NF97U070T3BR PERFORMANCE (Less Filter)
External
Static
Pressure
LQZF
Rise Range °F $LU9ROXPH:DWWVDW9DULRXV%ORZHU6SHHGV
1st
Stage
2nd
Stage
High Medium-High Medium 0HGLXP/RZ /RZ
cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
0.10
15-45 30-60
 156 964 130 863 101    
0.20 1001 164   824 111 689 82 535 55
0.30 968  891    634 88  59
0.40  185 849   125 596 98 410 66
0.50 896 196 806   134 544 104 344 
0.60 865    665 145 502 109 305 
 835 213  184 619 151 459  255 84
0.80  224 689 193  159 412 123 230 88
0.90  231 659 199 533 166 365 130 QD QD
1.00 664 221   500  QD
QD QD QD
External
Static
Pressure
LQZF
Rise Range °F $LU9ROXPH:DWWVDW9DULRXV%ORZHU6SHHGV
1st
Stage
2nd
Stage
High Medium-High Medium 0HGLXP/RZ /RZ
cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
0.10
20-50 30-60
1395 348 1246 249 1139 198 911 111  96
0.20  358 1206 258 1105 203  120 809 103
0.30 1348  1184   215 839 122  109
0.40 1318 380 1160  1046 221  132  115
0.50 1294 386 1125 286 1014 230  139 694 124
0.60 1265 398  296  239  145 652 132
 1216 393 1066 304   665 156 606 136
0.80   1043 314 923 256 624 160 569 145
0.90 1062 350 1010 320 889  589 166 532 151
1.00 941 314  301 846  556
 486 156
External
Static
Pressure
LQZF
Rise Range °F $LU9ROXPH:DWWVDW9DULRXV%ORZHU6SHHGV
1st
Stage
2nd
Stage
High Medium-High Medium 0HGLXP/RZ /RZ
cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
0.10
25-55 35-65
1388 292 1244 221 1131  925 110 884 100
0.20 1359 302 1212 230 1096 182 886 116 843 
0.30 1331 313 1182 238 1062 190 846 123 802 114
0.40 1301 323 1151  1028 198 805 130  120
0.50  333 1121 256 996 206    
0.60 1245 342 1090 265 961 215  145  134
  352 1059  928 223  151 616 140
0.80  362 1026 283 892 231 623  566 146
0.90 1158  995 292 854 240  163 519 151
1.00 1128 381 962 302 814 248 532
169 464 156
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31-5001162 Rev. 0
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External
Static
Pressure
LQZF
Rise Range °F $LU9ROXPH:DWWVDW9DULRXV%ORZHU6SHHGV
1st
Stage
2nd
Stage
High Medium-High Medium 0HGLXP/RZ /RZ
cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
0.10
30-60 
 401 1490 284   1286 186 1165 143
0.20  419  292 1332 233 1250 199 1131 155
0.30 1650 435 1440 312 1305  1219 214 1083 168
0.40 1630 456 1403   258  222 1050 
0.50 1601 469  334   1142 232 1006 188
0.60    346 1196 283 1110 245 968 
 1489 461 1313 361 1165 291 1068  930 
0.80 1390 433   1126 306 1035 268 894 
0.90   1218  1091 315 990  843 228
1.00 1115 354   1043 324 951
  235
External Static
3UHVVXUHLQZJ
Rise
Range °F
$LU9ROXPH:DWWVDW'LႇHUHQW%ORZHU6SHHGV
1st Stage
2nd Stage
BRWWRP5HWXUQ$LU6LGH5HWXUQ$LUZLWK5HWXUQ$LUIURP%RWK
Sides or Return Air from Bottom and One Side.
6LQJOH6LGH5HWXUQ$LUí$LUYROXPHVLQEROGRYHUFIPUHTXLUH
2SWLRQDO5HWXUQ$LU%DVHDQG¿HOGIDEULFDWHGWUDQVLWLRQWRDFFRPPRGDWH
[[LQDLU¿OWHULQRUGHUWRPDLQWDLQSURSHUDLUYHORFLW\
High
(Black)
Medium-
High
%URZQ
Medium
(Blue)
Medium-
/RZ
<HOORZ
/RZ
(Red)
High
(Black)
Medium-
High
%URZQ
Medium
(Blue)
Medium-
/RZ
<HOORZ
/RZ
(Red)
CFM Watt CFM Watt CFM Watt CFM Watt CFM Watt CFM Watt CFM Watt CFM Watt CFM Watt CFM Watt
0.10
30-60

2140 653  449  349 1616 292 1419 215 2101 650 1821 449 1650 346 1558 288 1383 209
0.20 2102 669 1840 461  362 1566 304 1388 223 2069 664  462 1621  1503 301 1331 
0.30 2061    1639  1518  1326 234 2036 681     1466 312 1289 229
0.40 2031   492 1590  1480 328  244
1998 698  492 1538 383  326 1235 241
0.50
19
99
   1546 399  341 1229 255    509    340 1183 254
0.60 1960  1683 519 1505 413 1390 351  266 1940  1641  1460 408 1339 349 1152 262
 1908   534  424 1351 361 1128  1890  1609 533  423 1293 362 1099 
0.80 1840  1609 550 1423 438 1299  1088 284 1834  1560 549   1254   286
0.90  692 1569 561    386 1036 296   1532 561 1339  1219 384 1011 296
1.00 1651 655 1539   461 1218  984 305 1645 665 1496  1298 460 
  304
External Static
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Rise
Range °F
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1st Stage
2nd Stage
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Sides or Return Air from Bottom and One Side.
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High
(Black)
Medium-
High
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Medium
(Blue)
Medium-
/RZ
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(Red)
High
(Black)
Medium-
High
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Medium
(Blue)
Medium-
/RZ
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/RZ
(Red)
CFM Watt CFM Watt CFM Watt CFM Watt CFM Watt CFM Watt CFM Watt CFM Watt CFM Watt CFM Watt
0.10
35-65

2300 922 2125 689 1948 508  368    936 2058 680 1880 509 1690 366 1524 269
0.20 2298 932 2111  1914 522  385 1531 302 2248  2030 695 1852 523 1659  1488 282
0.30 2252 960   1880  1681 398 1489 310 2214    1829  1621 394 1446 
0.40   2050  1850 550 1629 412 1439 322
2194 990    554 1595   308
0.50 2188  2015  1809   421  334 2153 994     1562 418 1356 321
0.60 2114 946 1984   585 1553 439 1351 346 2104 980 1928   583 1519 434 1322 333
 2048 911 1944   600 1516 451 1312 356 2044 949    596    345
0.80 1962 858 1893   616 1485 462  368 1962  1856   616 1449 458 1230 356
0.90  806 1838  1665 628   1209 382  853 1809   629 1402  1189 368
1.00     1625 642  488  392  801   1594 643 1362 
1148 381
NF97U110T5CR PERFORMANCE (Less Filter)
NF97U135T5CR PERFORMANCE (Less Filter)
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3DJH
31-5001162 Rev. 0
Accessory List
Description Catalog Number
Return Air Base
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5HWXUQ$LU%DVH,QFK :
5HWXUQ$LU%DVH,QFK :
Concentric Vent Kit (90% Furnaces only) US Only
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Flush Mount Termination (90% Furnaces only)
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Refrigerant Detection System
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Transformer (75VA)
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Model
Natural to LP/
Propane
High Altitude Natural
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High Altitude LP/
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Kit
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0 - 7500 ft (0 - 2286m)
7501 - 10000 ft (2286 -
3048m)
7501 - 10000 ft (2286 -
3048m)
4501 - 7500 ft (1371 -
2286m)
7501 - 10000 ft
(2286 - 3048m)
030 + 14C92 + $ $
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110 % $
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3DJH
31-5001162 Rev. 0
Parts Arrangement
Figure 1.
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3DJH
31-5001162 Rev. 0
Service Information
ELECTRICAL
ELECTROSTATIC DISCHARGE (ESD)
Precautions and Procedures
CAUTION
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Control Box Components
Figure 2. Control Box
Transformer (T1)
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Figure 3. Circuit Breaker (CB8)
Integrated Ignition Control (A92)
WARNING
Shock hazard.
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3DJH
31-5001162 Rev. 0
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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31-5001162 Rev. 0
Service Information
Thermostat Input Terminals
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31-5001162 Rev. 0
Service Information
Table 4.
DIAGNOSTIC CODES / STATUS OF FURNACE CODE
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31-5001162 Rev. 0
Service Information
Table 4. (Cont.)
DIAGNOSTIC CODES / STATUS OF FURNACE (Cont.) CODE
Soft Lockout Faults (60 Minutes) Code
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31-5001162 Rev. 0
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7
ON
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
1
2
3
5
6
7
4
1
2
3
5
6
7
4
ON
ON
COOLING BLOWER-OFF DELAY
2ND STAGE HEAT ON DELAY
7 MIN
UPSTAGE
DELAY
12 MI N
UPSTAGE
DELAY
*
1
2
3
5
6
7
4
1
2
3
5
6
7
4
ON
ON
HEATING BLOWERíOFF DELAY
60 SECOND
HTG BLOWER
OFF DELAY
120 SECOND
HTG BLOWER
OFF DELAY
180 SECOND
HTG BLOWER
OFF DELAY
1
2
3
4
5
6
7
1
2
3
4
5
6
7
ON
ON
90 SECOND
HTG BLOWER
OFF DELAY
*
1
2
3
4
5
6
7
ON
1
2
3
4
5
6
7
ON
THERMOSTAT SELECTION
1íSTAGE
THERMOSTAT
(TIMED STAGING)
íSEE SW #2
TWO STAGE
THERMOSTAT
*
1
2
3
4
5
6
7
1
2
3
4
5
6
7
ON
ON
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
1
1
1
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
1
* FACTORY DEFAULT
DEHUMIFICATION LINK
Figure 5. ,QWHJUDWHG&RQWURO&RQ¿JXUDWLRQ*XLGH
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31-5001162 Rev. 0
Service Information
Display $FWLRQZKHQEXWWRQUHOHDVHG
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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
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E111 /LQHYROWDJHSRODULW\UHYHUVHG 5HYHUVHOLQHSRZHUYROWDJHZLULQJ6\VWHPUHVXPHVQRUPDORSHUDWLRQ
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E112 *URXQGQRWGHWHFWHG 6\VWHPVKXWVGRZQ3URYLGHSURSHUHDUWKJURXQG6\VWHPUHVXPHV
QRUPDORSHUDWLRQVHFRQGVDIWHUIDXOWUHFRYHUHG
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SRZHUYROWDJHZLWKLQSURSHUUDQJH6\VWHPUHVXPHVQRUPDORSHUDWLRQ
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E114 /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
E115 /RZ9&RQWUROZLOOUHVWDUWLIWKHHUURUUHFRYHUV 9ROW3RZHU/RZ5DQJHLVWRYROWV&KHFNDQGFRUUHFW
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V\VWHP:DUQLQJRQO\ZLOOFOHDUVHFRQGVDIWHUIDXOWUHFRYHUHG
E125 &RQWUROIDLOHGVHOIFKHFNLQWHUQDOHUURUIDLOHG
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E205 *DVYDOYHFRQWUROUHOD\FRQWDFWVKRUWHG &KHFNZLULQJRQFRQWURODQGJDVYDOYH,IZLULQJLVFRUUHFWUHSODFH
FRQWURO
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3DJH
31-5001162 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
E223 /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
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QRUPDORSHUDWLRQDIWHUIDXOWLVFOHDUHG
E224 /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
E225 +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
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E226 +LJKSUHVVXUHVZLWFKIDLOHGFORVHG &KHFNRSHUDWLRQRIKLJKSUHVVXUHVZLWFKFORVLQJRQKHDWFDOO0HDVXUH
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FDOO0HDVXUHRSHUDWLQJSUHVVXUHLQFKHVZF,QVSHFWYHQWDQG
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ZLOOVZLWFKWRKLJKVSHHGLQGXFHUWRFORVHERWKORZDQGKLJKSUHVVXUH
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E240 /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
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E241 )ODPHVHQVHGRXWRIVHTXHQFH)ODPHVWLOO
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FOHDUVZKHQIDXOWLVUHFRYHUHG
E250 /LPLWVZLWFKFLUFXLWRSHQ &KHFNIRUSURSHU¿ULQJUDWHRQIXUQDFH(QVXUHWKHUHLVQREORFNDJHLQ
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XQLWZLOOJRLQWRKRXUVRIWORFNRXW5HVXPHVQRUPDORSHUDWLRQDIWHU
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( 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
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3DJH
31-5001162 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
E290 ,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
E150 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
E151 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
E154 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
E155 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
E160 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*($SSOLDQFHVDSSURYHGUHSODFHPHQWSDUW
7KLVIDXOWFOHDUVZKHQDVHQVRUVXLWDEOHIRUWKHDSSOLFDWLRQLVGHWHFWHG
E\WKHIXUQDFHFRQWUROERDUGEXWEORZHUZLOOODWFKIRUDPLQLPXPRI
PLQXWHV5HWHVWRIWKHSUHVHQFHRIWKHIDXOWFDQEHHႇHFWHGE\
SUHVVLQJWKH/RZ*:3WHVWEXWWRQRQWKHIXUQDFHXQLWFRQWUROERDUG
E161 5HIULJHUDQW/HDN'HWHFWRU6HQVRUW\SHLQFRUUHFW 7KHVHQVRULVRIDW\SHQRWVXLWDEOHIRUXVHLQWKHDSSOLFDWLRQ
5HSODFHWKHVHQVRUZLWKD*($SSOLDQFHV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
E163 )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\
E164 /RZ*:37HVW /RZ*:37HVWPRGHDFWLYDWHVE\PDQXDOO\HQJDJLQJ/RZ*:3WHVW
EXWWRQ1RUPDORSHUDWLRQVUHVXPHVDQGFRGHFOHDUVDXWRPDWLFDOO\DIWHU
PLQXWH
E390 /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\
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3DJH
31-5001162 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$
)ODPHVLJQDOPRGHLVH[LWHGDIWHUDQ\RIWKHIROORZLQJ
3RZHULVUHVHW
3UHVVLQJDQGKROGLQJSXVKEXWWRQXQWLOKRUL]RQWDOLQHV
³Ł´DUHGLVSOD\HG
PLQXWHVDIWHUHQWHULQJWKHÀDPHVHQVHPRGH
,QWHJUDWHG&RQWURO',36ZLWFKHV
1)875XQLWVDUHHTXLSSHGZLWKDWZRVWDJH
LQWHJUDWHGFRQWURO7KLVFRQWUROPDQDJHVLJQLWLRQWLPLQJ
KHDWLQJPRGHIDQRႇGHOD\VDQGLQGRRUEORZHUVSHHGV
EDVHGRQVHOHFWLRQVPDGHXVLQJWKHFRQWUROGLSVZLWFKHV
DQGMXPSHUV7KHFRQWUROLQFOXGHVDQLQWHUQDOIHDWXUH
ZKLFKDXWRPDWLFDOO\UHVHWVWKHLJQLWLRQFRQWUROZKHQLWKDV
EHHQORFNHGRXW$IWHURQHKRXURIFRQWLQXRXVWKHUPRVWDW
GHPDQGIRUKHDWWKHIHDWXUHZLOOEUHDNDQGUHPDNH
WKHUPRVWDWGHPDQGWRWKHIXUQDFHDQGDXWRPDWLFDOO\UHVHW
WKHFRQWUROWRUHOLJKWWKHIXUQDFH
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KLJKHUVXSSO\DLUWHPSHUDWXUHVTable 6SURYLGHVWKHEORZHU
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7DEOH%ORZHU2ႇ+HDWLQJ0RGH'HOD\6ZLWFK
Settings
%ORZHU2ႇ'HOD\
(seconds)
6ZLWFK 6ZLWFK
90 2Q 2ႇ
)DFWRU\ 2ႇ 2ႇ
180 2ႇ 2Q
210 2Q 2Q
background
3DJH
31-5001162 Rev. 0
Service InformationService Information
ELECTRICAL (Cont.)
6ZLWFK&RROLQJ0RGH%ORZHU2ႇ'HOD\7KHXQLWLV
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IRUDVHFRQGGHOD\Table 7SURYLGHVWKHFRROLQJPRGH
RႇGHOD\VHWWLQJV
7DEOH%ORZHU2ႇ&RROLQJ0RGH'HOD\6ZLWFK
Settings
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+($702'(LQWKHKHDWSXPS
W915 2 Stage Compr (Y1 to Y2)
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WHUPLQDOV<DQG<RQWKHLQWHJUDWHGFRQWURO:PXVW
EHFXWLIWZRVWDJHFRROLQJZLOOEHXVHG,IWKH<WR<
OLQNLVQRWFXWWKHRXWGRRUXQLWZLOORSHUDWHLQVHFRQGVWDJH
FRROLQJRQO\
IMPORTANT
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LQVWDOODMXPSHUDFURVVWKH FRUUHVSRQGLQJWHUPLQDOVRQWKH
ORZYROWDJHWHUPLQDOVWULS'RQRWUHSODFHFRQWURO
BLOWER COMPARTMENT
IMPORTANT
(DFKEORZHULVVWDWLFDOO\DQGG\QDPLFDOO\
EDODQFHGDVDQDVVHPEO\EHIRUHLQVWDOODWLRQLQWKHXQLW
1)875XQLWVDUHHTXLSSHGZLWKDFRQVWDQWWRUTXH
(&0PRWRU,WKDVD'&PRWRUFRXSOHGWRDQHOHFWURQLF
FRQWUROPRGXOHERWKFRQWDLQHGLQWKHVDPHPRWRUKRXVLQJ
7KHPRWRULVSURJUDPPHGWRSURYLGHFRQVWDQWWRUTXHDW
HDFKRIWKH¿YHVHOHFWDEOHVSHHGWDSV(DFKWDSUHTXLUHV
YROWVWRHQHUJL]H
Input Voltage Requirements
7KHFLUFXLWLVGHVLJQHGWREHRSHUDWHGZLWK$&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
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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
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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
%ORZHU2ႇ'HOD\
(seconds)
6ZLWFK
)DFWRU\ 2ႇ
2 2Q
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
Center Blower Wheel
in Blower Housing
background
3DJH
31-5001162 Rev. 0
Service Information
ELECTRICAL (Cont.)
BLOWER COMPARTMENT(Cont.)
Figure 7.
Testing the Motor (Figure 8)
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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
$OOUHSODFHPHQWPRWRUFRQWUROPRGXOHVORRNVLPLODU
KRZHYHUHDFKPRGXOHLVGHVLJQHGIRUDVSHFL¿FPRWRUVL]H
,WLVYHU\LPSRUWDQWWRPDNHVXUHWKDW\RXDUHXVLQJWKH
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PRGXOH
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7RUTXHEROWVWRLQFKSRXQGVRU
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WKHULJKW
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IDFLQJGRZQWRIRUPDGULSORRSFigure 97KLVZLOO
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FRQQHFWLRQVRQWKHPRWRU
Figure 9. Drip Loop
+RXVLQJ+XE
6HW6FUHZ
0RWRU
6KDIW
Scale Measurement Range in Words ohms
0 WZRPHJRKPVWZRPLOOLRQRKPV 
. WZRKXQGUHGNLORKPVWZRKXQGUHG
WKRXVDQGRKPV

. WZHQW\NLORRKPVWZHQW\WKRXVDQG
RKPV

. WZRNLORRKPVWZRWKRXVDQGRKPV 
200 WZRKXQGUHGRKPV 0 - 200
CONNECTOR
ORIENTATION
BETWEEN 4 AND 8
O'CLOCK
BACK OF CONTROL
MODULE
DRIP LOOP
1
2
3
4
5
6
7
8
9
10
11
12
1/16
TURN
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3DJH
31-5001162 Rev. 0
OR
"7A”
"9A”
OR
J49
Service Information
Test 17XUQSRZHURQWRXQLW&KHFNIRUYROWV
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FRQQHFWRU-,IYROWDJHLVSUHVHQWFRQWLQXHWRWHVW,I
YROWDJHLVQRWSUHVHQWSUREOHPPD\EHXSVWUHDPRI-
3URFHHGWRTest 3.
Test 26ZLWFKWKHUPRVWDWWRCONTINUOUS FAN MODE.
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IDQRQ-RU)RUXQLWVXVLQJDQGSRVLWLRQ
FRQQHFWRUVWHVWIRUYROWVEHWZHHQSLQ³$´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.
OR
OR
OR
"6A”
"2A”
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3DJH
31-5001162 Rev. 0
ELECTRICAL (Cont.)
Heating Components
Ignitor
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FKHFNRXW
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Flame Sensor
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6HHTable 9IRUÀDPHVLJQDO
Table 9. Flame Signal in Microamps
Gas Valve
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Burners
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Primary Limit Control (S10)
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Figure 11. Primary Limit Control (S10)
Service Information
Normal /RZ Drop Out
RUJUHDWHU RUOHVV 0.6
0RXQWLQJ+ROH
0RXQWLQJ+ROH
0RXQWLQJ+ROH
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3DJH
31-5001162 Rev. 0
ELECTRICAL (Cont.)
Service Information
Intake Air Top Cap
Sensor
Rollout Switch
Rollout Switch
Burner Assembly
Ignitor
Manifold And Gas Orifices
Two-Stage Gas Valve
Burner Box Cover
Figure 12. Heating Components
background
3DJH
31-5001162 Rev. 0
ELECTRICAL (Cont.)
Service Information
Test 1
Check ignitor circuit for correct resistance.
Remove 4-pin plug from control.
Check ohms reading across terminals 1 and 5.
Reading should be between 39 and 70 ohms. If
value is correct, this is the only test needed.
If the reading on the meter is not correct, (0 or
infinity) then a second test is needed.
Test 2
Check ignitor for correct resistance.
Seperate the 2-pin jack-plug near the manifold and check
resistance of ignitor at the plug. Reading should be
between 39 and 70 ohms. If the reading is correct, then
the problem is with the wiring between the jack-plug and
the control. If reading is not correct, the issue is the ignitor.
Test 3
Check ignitor for correct voltage
Insert meter probes into terminals 1 and 5 (use small
diameter probes in order not to damage plug).
Check voltage during 20 second ignitor warm up period.
Voltage should read 120 volts +
10%. If voltage reads below
these values, check for correct supply voltage to furnace.
Meter
(set to ohms)
Meter
(set to ohms)
Meter
(set to AC volts)
Integrated Control Detail
Integrated Control Detail
Integrated Control Detail
Figure 13. Ignitor Check
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3DJH
31-5001162 Rev. 0
Service Information
ELECTRICAL (Cont.)
Heating Components (Cont.)
Combustion Air Inducer (B6) and Cold End Header Box
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(Figure 14)
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DWPRVSKHULFSUHVVXUH,IWKHLQOHWRUH[KDXVWSLSHVRUWKH
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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 +)
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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
Table 10. 0 - 4,500 ft.
Unit Set Point High Heat 6HW3RLQW/RZ+HDW
-045 0.80 0.50
 0.95 0.55
-090 0.90 0.50
-110 1.00 0.55
-135 0.85 0.45
Table 10B. 4501' - 7500'
Unit Set Point High Heat 6HW3RLQW/RZ+HDW
-045  0.41
 0.85 0.50
-090  0.45
-110 0.95 0.55
-135 0.80 0.40
Table 10C. 7501' - 10,000'
Unit Set Point High Heat 6HW3RLQW/RZ+HDW
-045  0.40
  0.45
-090  0.40
-110 0.90 0.50
-135  0.35
Table 10A. 0 - 4500’
background
3DJH
31-5001162 Rev. 0
Service Information
PLACEMENT AND INSTALLATION
3LSH)LWWLQJV6SHFL¿FDWLRQV
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6RFLHW\IRU7HVWLQJDQG0DWHULDOV$16,$670VWDQGDUGV
7KHVROYHQWVKDOOEHIUHHÀRZLQJDQGFRQWDLQQROXPSV
XQGLVVROYHGSDUWLFOHVRUDQ\IRUHLJQPDWWHUWKDWDGYHUVHO\
DႇHFWVWKHMRLQWVWUHQJWKRUFKHPLFDOUHVLVWDQFHRIWKH
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RUVHSDUDWLRQWKDWFDQQRWEHUHPRYHGE\VWLUULQJ5HIHUWR
Table 11IRUDSSURYHGSLSLQJDQG¿WWLQJPDWHULDOV
CAUTION
6ROYHQWFHPHQWVIRUSODVWLFSLSHDUH
ÀDPPDEOHOLTXLGVDQGVKRXOGEHNHSWDZD\IURPDOOVRXUFHV
RILJQLWLRQ'RQRWXVHH[FHVVLYHDPRXQWVRIVROYHQW
FHPHQWZKHQPDNLQJMRLQWV*RRGYHQWLODWLRQVKRXOGEH
PDLQWDLQHGWRUHGXFH¿UHKD]DUGDQGWRPLQLPL]HEUHDWKLQJ
RIVROYHQWYDSRUV$YRLGFRQWDFWRIFHPHQWZLWKVNLQDQG
H\HV
IMPORTANT
([KDXVWDQGLQWDNHFRQQHFWLRQVDUH
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WUDQVLWLRQDOVROYHQWFHPHQWWRPDNHFRQQHFWLRQVWRWKH39&
¿WWLQJVLQWKHXQLW
8VH39&SULPHUDQGVROYHQWFHPHQWRU$%6VROYHQW
FHPHQWPHHWLQJ$670VSHFL¿FDWLRQVUHIHUWRTable 11$V
DQDOWHUQDWHXVHDOOSXUSRVHFHPHQWWRERQG$%639&RU
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$%6WRHLWKHU39&RU&39&
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FRROHUZHDWKHU0HWDORUSODVWLFVWUDSSLQJPD\EHXVHGIRU
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LQVLGHVRFNHWVXUIDFHRI¿WWLQJDQGPDOHHQGRISLSHWR
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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
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Table 11.
PIPING AND FITTINGS SPECIFICATIONS
6FKHGXOH39&3LSH '
6FKHGXOH39&)LWWLQJV '
6FKHGXOH&39&3LSH )
6FKHGXOH&39&)LWWLQJV )
6'539&RU6'539&3LSH '
6'5&39&RU6'5&39&3LSH )
6FKHGXOH$%63LSH '
6FKHGXOH$%6)LWWLQJV '
$%6':9'UDLQ:DVWH9HQW3LSH
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PRIMER & SOLVENT CEMENT
ASTM
SPECIFICATION
39&&39&3ULPHU )
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CANADA PIPE & FITTING &
SOLVENT CEMENT
MARKING
39&&39&3LSHDQG)LWWLQJV
8/&6
39&&39&6ROYHQW&HPHQW
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POLYPROPYLENE VENTING SYSTEM
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background
3DJH
31-5001162 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'
DANGER
DANGER OF EXPLOSION!
Fumes from PVC glue may ignite during system check.
$OORZIXPHVWRGLVVLSDWHIRUDWOHDVWPLQXWHVEHIRUH
placing unit into operation.
0HDVXUHDQGFXWYHQWSLSHWRGHVLUHGOHQJWK
'HEXUDQGFKDPIHUHQGRISLSHUHPRYLQJDQ\ULGJHVRU
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UHPRYHFHPHQWIURP¿WWLQJVRFNHWDQGUHVXOWLQDOHDNLQJ
MRLQW
NOTE: &KHFNWKHLQVLGHRIYHQWSLSHWKRURXJKO\IRUDQ\
REVWUXFWLRQWKDWPD\DOWHUIXUQDFHRSHUDWLRQ
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RUXVHDFOHDQGU\FORWKIRU$%6WRFOHDQLQVLGHVRFNHW
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NOTE: 7LPHLVFULWLFDODWWKLVVWDJH'RQRWDOORZSULPHU
WRGU\EHIRUHDSSO\LQJFHPHQW
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EXWXQLIRUPO\WRLQVLGHRIVRFNHW7DNHFDUHWRNHHS
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RISLSH
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FHPHQWHYHQO\'2127WXUQ$%6SLSH
NOTE: $VVHPEO\VKRXOGEHFRPSOHWHGZLWKLQ
VHFRQGVDIWHUODVWDSSOLFDWLRQRIFHPHQW+DPPHUEORZV
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DURXQGLWVHQWLUHSHULPHWHU$Q\JDSVPD\LQGLFDWHDQ
LPSURSHUDVVHPEO\GXHWRLQVXႈFLHQWVROYHQW
+DQGOHMRLQWVFDUHIXOO\XQWLOFRPSOHWHO\VHW
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
2"
Concentric
Kit
3"
Concentric
Kit
1-1/2" x12" 2" x12" 51W11 71M80 69M29 60L46
030
045
1
 <(6 <(6
2 <(6 <(6 <(6
 <(6 <(6 <(6
3 <(6 <(6 <(6

1
 <(6 <(6
2 <(6 <(6 <(6
 <(6 <(6 <(6
3 <(6 <(6 <(6
90
2 <(6 <(6 <(6 <(6
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3 <(6 <(6 <(6 <(6
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31-5001162 Rev. 0
Service Information
VENTING PRACTICES
Figure 15. Piping Suspension Guidelines
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31-5001162 Rev. 0
Service Information
VENTING PRACTICES (Cont.)
Exhaust Piping (Figure 17, Figure 19, Figure
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Table 13. Minimum Vent Pipe Lengths
IMPORTANT
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Model Min. Vent Length*
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31-5001162 Rev. 0
Service Information
VENT PIPING GUIDELINES (Cont.)
Figure 18. Vent Pipe Diameter Sizing
040, 060,
080 btuh
Standard or
Concentric?
See Table 20
Intake or
Exhaust?
2” or 3”
Furnace capacity?
1
Which termination?
2
Which needs most
elbows?
3
How many?
4
Desired pipe size?
5
What is the altitude?
6
Use Table 22A through
Table 22F to find max
pipe length or exhaust
pipe length. Includes all
vent pipe and elbows
inside and outside the
house.
7
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VENT PIPING GUIDELINES (Cont.)
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Standard Termination at Elevation 0 - 4,500ft
No.
Of 90°
(OERZV
Used
1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe
Model Model Model Model
030
045
070 090 110 135 045 070 090 110 135
030
045
070 090 110 135
030
045
070 090 110 ¹135
12520
QD QD QD
 61 39 19
QD
110 110 88 53
QD
133 132 113 113 114
22015  56 34 14 105 105 83 48 128  108 108 109
3 15 10 66 51 29 9 100 100  43 123 122 103 103 104
410
QD
61 46 24
QD
95 95  38 118  98 98 99
5
QD
56 41 19 90 90 68 33 113 112 93 93 94
6 513614 85856328 108 88 88
89
4631 9 80805823 103102838384
84126
QD
  53 18 98    
93621  48 13 93 92   
10 31 16 65 65 43 8 89  68 68 69
Standard Termination at Elevation 4,501 - 10,000 ft
No.
Of 90°
(OERZV
Used
2” Pipe 2-1/2” Pipe 3” Pipe
Model Model Model
030
045
070 090 110 135
030
045
070 090 110 135
030
045
070 090 110 135
030
045
070 090 110 ¹135
12520
QD QD QD
 61 39
QD QD
110 110 88 53
QD
133 132 113 113 114
22015  56 34 105 105 83 48 128  108 108 109
3 1510 665129 100100
 43 123 122 103 103 104
410
QD
61 46 24 95 95 
38 118  98 98 99
5
QD
56 41 19 90 90 68 33 113 112 93 93 94
6 513614 85856328 108 88 88 89
46 31 9 80 80 58 23 103 102 83 83 84
84126
QD
  53 18 98    
93621  48 13 93 92   
10 31 16 65 65 43 8 89  68 68 69
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Service Information
Concentric Termination at Elevation 0 - 4,500 ft
No.
Of 90°
(OERZV
1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe
Model Model Model Model
030
045
070 090 110 135
030
045
070 090 110 135
030
045
070 090 110 135
030
045
070 090 110 135
12015
QD QD QD
68 53   100 100 84 49
QD
116 116 109 109 105
2 1510 63483212 9595 44 111 111 104 104 100
310
QD
58 43  90 90  39 106 106 99 99 95
4
QD
53 38 22
QD
85 85 69 34 101 101 94 94 90
54833 80 80 64 29 96 96 89 89 85
6 432812   59 24 91 91 84 84 80
38 23 54 19 86 86   
83318
QD
65 65 49 14 81 81   
9 2813 606044 9   69 69 65
10 23 8 55 55 39 QD   64 64 60
Concentric Termination at Elevation 4,501 - 10,000 ft
No.
Of 90°
(OERZV
1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe
Model Model Model Model
030
045
070 090 110 135
030
045
070 090 110 135
030
045
070 090 110 135
030
045
070 090 110 135
12015
QD QD QD
68 53 
QD QD
100 100 84 49
QD
116 116 109 109 105
2 1510 634832 9595 44 111 111 104 104 100
310
QD
58 43  90 90  39 106 106 99 99 95
4
QD
53 38 22 85 85 69 34 101 101 94 94 90
54833 80 80 64 29 96 96 89 89 85
6 432812   59 24 91 91 84 84 80
38 23
54 19 86 86   
83318
QD
65 65 49 14 81 81   
9 2813 606044 9   69 69 65
10 23 8 55 55 39 QD   64 64 60
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31-5001162 Rev. 0
VENT PIPING GUIDELINES (Cont.)
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Service Information
Concentric Termination at Elevation 0 - 4,500 ft
No.
Of 90°
(OERZV
1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe
Model Model Model Model
030
045
070 090 110 135
030
045
070 090 110 135
030
045
070 090 110 135
030
045
070 090 110 135
12015
QD QD QD
66 51 29 9
QD
95 95  38
QD
113 112 93 93 94
2 15 10 61 46 24 4 90 90 68 33 108  88 88 89
310
QD
56 41 19
QD
85 85 63 28 103 102 83 83 84
4
QD
51 36 14 80 80 58 23 98    
546319  53 18 93 92   
641264  48 13 88  68 68 69
36 21
QD
65 65 43 8 83 82 63 63 64
8 3116 606038 3   58 58 59
92611555533
QD
  53 53 54
10 21 6 50 50 28 68  48 48 49
Standard Termination at Elevation 4,501 - 10,000 ft
No.
Of 90°
(OERZV
1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe
Model Model Model Model
030
045
070 090 110 135
030
045
070 090 110 135
030
045
070 090 110 135
030
045
070 090 110 135
12015
QD QD QD
66 51 29
QD QD
95 95  38
QD
113 112 93 93 94
2 1510 614624 90906833 108 88 88 89
310
QD
56 41 19 85 85 63 28 103 102 83 83 84
4
QD
51 36 14 80 80 58 23 98    
546319  53 18 93 92   
641264  48 13 88  68 68 69
36 21
QD
65 65 43 8 83 82 63 63 64
8 3116 606038 3   58 58 59
92611555533
QD
  53 53 54
10 21 6 50 50 28 68  48 48 49
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3DJH
31-5001162 Rev. 0
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VENT PIPING GUIDELINES (Cont.)
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Figure 20. Typical Exhaust Pipe Connections in Horizontal Direct or Non-Direct Vent Applications (Right-Hand
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* 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.
2”
2”
2”
2”
or
or
TRANSITION
3”
*2”
2”
EXHAUST
Pipe size determined in Table 13A
through Table 13C
DO NOT transition
from smaller to larger
pipe in horizontal runs
of exhaust pipe.
030/045/070 Only
TRANSITION
1-1/2”
2”
6”
MINIMUM
SIDE VIEW
45°
MAX
45°
MAX
2”
2”
2”
2”
or
2”
12” max.
EXHAUST
TRANSITION
3”
*2”
*2”
EXHAUST
TRANSITION
1-1/2”
2”
2”
EXHAUST
or
NOTE: 1-1/2” Vent
Pipe Diameter
Allowed Only on
030 / 045 / 070 Units
.
DO NOT transition
from larger to smaller
pipe in horizontal runs
of exhaust pipe.
EXHAUST
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.
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31-5001162 Rev. 0
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VENT PIPING GUIDELINES (Cont.)
Intake Piping
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2”
2”
2”
2”
or
AIR
INTAKE
2”
TRANSITION
3”
*2”
Pipe size determined in Table 5
or
* 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.
2”
2”
2”
2”
or
2”
AIR
INTAKE
TRANSITION
3”
*2”
*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.
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Figure 22. Typical Intake Pipe Connections in Horizontal Direct or Non-Direct Vent Application
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31-5001162 Rev. 0
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VENT PIPING GUIDELINES (Cont.)
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Figure 24. Typical Air Intake Pipe Connections
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CAUTION
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Figure 25. (TXLSPHQWLQ&RQ¿QHG6SDFH
(Inlet Air from Ventilated Attic and Outlet Air to Outside)
Intake
Debris
Screen
(Provided)
NOTE: Debris screen and elbow may be rotated so that the
screen may be positioned to face forward or to either side.
Intake
Debris
Screen
(Provided)
OR
PVC Pipe
Coupling
NOTE: Debris screen and elbow may be
rotated so that the screen may be
positioned to face forward or to either side.
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3DJH
31-5001162 Rev. 0
Service Information
VENT PIPING GUIDELINES (Cont.)
Intake Piping (Cont.)
Figure 26. (TXLSPHQWLQ&RQ¿QHG6SDFH
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Outside)
General Guidelines for Vent Terminations
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3DJH
31-5001162 Rev. 0
Service Information
Winter
Design
Temp
1
°F (°C)
Vent
Pipe
Diam
Unit Input Size
030 045 070 090 110 135
39& ð33 39& ð33 39& ð33 39& ð33 39& ð33 39& ð33
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LQ 1$ 1$ 22 1$ 20 1$ 1$ 1$ 1$ 1$ 1$ 1$
LQ 13 12 21 18 33 30 46 42 30 30 1$ 1$
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LQ 6 6 12 12 21 21 30 30 29 29 42 42
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LQ 1$ 1$ 12 1$ 20 1$ 1$ 1$ 1$ 1$ 1$ 1$
LQ 6411919 28 25  24 1$ 1$
LQ 1$ 1$ 1$ 14 1$ 21 1$ 20 1$ 1$ 1$
LQ 1$ 1$ 1$ 1$ 9 9 16 16 14
14 23 23
WR
WR
LQ 1$ 1$ 8 1$ 13 1$ 1$ 1$ 1$ 1$ 1$ 1$
LQ 1$ 1$ 6 4 12 10 19 16 18 15 1$ 1$
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LQ 1$ 1$ 1$ 1$ 1$ 1$ 8813 13
1
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NOTE:
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Figure 27. Insulating Exhaust Pipe in an Unconditioned Space
VENT PIPING GUIDELINES (Cont.)
General Guidelines for Vent Terminations (Cont.)
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Winter Design Temperatures
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3DJH
31-5001162 Rev. 0
Service Information
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31-5001162 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. Exhaust Pipe Termination Size Reduction
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Figure 29. Direct Vent Roof Termination Kit
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Figure 31. Existing Exhaust and Intake Vent
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Capacity Termination Pipe Size
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31-5001162 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 32. Flush-Mount Side Wall Termination
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Service Information
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Figure 37. Vent Termination Clearances for Non-Direct Installations
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Service Information
VENT PIPING GUIDELINES (Cont.)
Details of Exhaust Piping Terminations for Non- Direct Vent Applications
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31-5001162 Rev. 0
Service Information
Details of Intake and Exhaust Piping Terminations for Direct Vent Installations (Cont.)
Figure 40.
* Use wall support every 24” (610 mm). Use two
wall supports if extension is greater than
24” (610 mm) but less than 48” (1219 mm).
NOTE One wall support must be within 6” (152 mm)
from top of each pipe (intake and exhaust) to prevent
movement in any direction.
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STRAIGHT
APPPLICATION
EXTENDED
APPLICATION
D
B
D
B
A
2” (51mm)
Vent Pipe
3” (76mm)
Vent Pipe
A Minimum clearance
above grade or average
snow accumulation
B Maximum horizontal
separation between
intake and exhaust
D Maximum exhaust
pipe length
E Maximum wall support
distance from top of each
pipe (intake/exhaust)
12” (305 mm)
12” (305 mm)
12” (305 mm)
6” (152 mm)6” (152 mm)
6” (152 mm)6” (152 mm)
8” (203 mm)8” (203 mm)
20” (508 mm)
6” (152 mm)
6” (152 mm)
'ront 7iew of
*ntake and Exhaust
*OUBLF
Exhaust
A
C
B
1
2
D
A
C
3
*OUBLF
Elbow
Exhaust
B
A
D
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Elbow
* W"--
4611035
B
A
D
E
B
D
E
A
ALTERNATE TERMINATIONS (TEE & FORTYFIVE DEGREE ELBOWS ONLY)
D
C
12”
1
2
E
B
A
1
2
As required.'MVe gas may be acidic and may adversely affect some building materials. *f a side wall vent
termination is used and flue gases will impinge on the building materials, a corrosionresistant shield
(24 inches square) should be used to protect the wall surface. *f optional tee is used, the protective shield
is recommended. The shield should be constructed using wood, sheet metal or other suitable material.
All seams, joints, cracks, etc. in affected area, should be sealed using an appropriate sealant.
3
Exhaust pipe 45° elbow can be rotated to the side away from the combustion air inlet to direct exhaust
away from adjacent property. The
exhaust must never be directed toward the combustion air inlet.
C2 -Minimum from end of
exhaust to inlet of intake
C1 -Minimum from end of
exhaust to inlet of intake
FIELD FABRICATED WALL TERMINATION
C1
C2
C1
C2
See maximum allowable venting tables for venting
lengths with this arrangement.
D
C
12”
1
2
E
B
A
The exhaust termination tee should be connected to the 2” or 3”17$GMue pipe as shown in the illustration. *O
horizontal tee applications there must be be a minimum of 3 ft away from covered patios or any living ares and
cannot be within 3 ft of a window. Do not use an accelerator in applications that include an exhaust termination
tee. The accelerator is not required.
C
E
B
A
D
2” (51mm)
Vent Pipe
3” (76mm)
Vent Pipe
A - Clearance above
Grade or average snow
accumulation
B - Horizontal separation
between intake and exhaust
C - Minimum from end of
exhaust to inlet of intake
D - Exhaust pipe length
E - Wall support distance from
top of each pipe
(intake/exhaust)
12” (305 mm) Min 12” (305 mm) Min
6” (152mm)min
24” (610mm )Max
6” (152mm)min
24” (610mm )Max
9” (227mm) 9” (227mm)
12” (305mm)min
16” (405mm )Max
12” (305mm)min
16” (405mm )Max
6” (152mm) Max 6” (152mm) Max
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3DJH
31-5001162 Rev. 0
Service Information
CONDENSATE PIPING
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3DJH
31-5001162 Rev. 0
CONDENSATE PIPING (Cont.)
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3DJH
31-5001162 Rev. 0
Service Information
CONDENSATE PIPING (Cont.)
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3DJH
31-5001162 Rev. 0
Service Information
CONDENSATE PIPING (Cont.)
Figure 49. Trap/Drain Assembly Using 1/2” PVC or 3/4” PVC
Drain Trap
Assembly
(Furnished)
V
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Drain Trap
Clean Out
5 Feet
Maximum
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(Not Furnished)
3/4 inch PVC Pipe
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1/2 inch PVC Pipe
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Drain Assembly for 3/4 inch Drain Pipe
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1 (25 mm) Min.
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To
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7
(178)
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( furnished)
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3DJH
31-5001162 Rev. 0
START-UP
Preliminary and Seasonal Checks
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Placing the furnace into operation:
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Priming Condensate Trap
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WARNING
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Gas Valve Operation (Figure 50)
1. STOP! 5HDGWKHVDIHW\LQIRUPDWLRQDWWKHEHJLQQLQJRI
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0RYHJDVYDOYHVZLWFKWR2))6HHFigure 50.
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0RYHJDVYDOYHVZLWFKWR216HHFigure 50.
Figure 50. *DV9DOYH6KRZQLQ213RVLWLRQ
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Service Information
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3DJH
31-5001162 Rev. 0
Service Information
START-UP
Heating Start-Up (Cont.)
Failure To Operate
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HEATING SYSTEM SERVICE CHECKS
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,QVWUXFWLRQ
GAS PIPING
CAUTION
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WARNING
'R QRWRYHU WRUTXH  LQOEV RUXQGHU
WRUTXHLQOEVZKHQDWWDFKLQJWKHJDVSLSLQJWRWKHJDV
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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
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Testing Gas Piping
IMPORTANT
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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
51,IWKHSUHVVXUHLVJUHDWHUWKDQSVLJ´:&XVH
WKHPDQXDOVKXWRႇYDOYHEHIRUHSUHVVXUHWHVWLQJWRLVRODWH
IXUQDFHIURPJDVVXSSO\
Figure 51.
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WARNING
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Testing Gas Supply Pressure
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WKHVXSSO\SUHVVXUH6HHFigure 50%DFNRXWWKHKH[
VFUHZRQHWXUQFRQQHFWDSLHFHRIWXELQJDQGFRQQHFW
WRDPDQRPHWHUWRPHDVXUHVXSSO\SUHVVXUH6HHTable 19
IRUVXSSO\OLQHSUHVVXUH
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
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3DJH
31-5001162 Rev. 0
Unit
Seconds for One Revolution
Natural LP/Propane
1 cu ft Dial 2 cu ft Dial 1 cu ft Dial 2 cu ft Dial
-030 120 240 300 600
-045 80 160 200 400
 55 110 136 
-090 41 82 102 204
-110 33 66 82 164
-135  54 68 136
1DWXUDOEWXFXIW/3EWXFXIW
Service Information
GAS PIPING (Cont.)
Testing Gas Piping (Cont.)
Manifold Pressure Measurement
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XVHFigure 52DVDUHIHUHQFH*DVPDQLIROG.LW/
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6HFXUHZLWKWKHFODPS
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IROORZHGE\DSLHFHRI´OHQJWKVTXDUHWXELQJ
&RQQHFWWKHRWKHUHQGRIWKHVTXDUHWXELQJWRWKH³´
SRVLWLYHVLGHRIWKHPHDVXULQJGHYLFH
7DNHWKH´OHQJWKVTXDUHWXELQJWHH´OHQJWKRI
VTXDUHWXELQJDQGWHHLQWRWKHJDVYDOYHUHJXODWRUYHQW
KRVH&RQQHFWWRWKHPHDVXULQJGHYLFHQHJDWLYH³´
VLGH
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IRUVWHDG\VWDWHFRQGLWLRQV
$IWHUDOORZLQJXQLWWRVWDELOL]HIRUPLQXWHVUHFRUG
PDQLIROGSUHVVXUHDQGFRPSDUHWRYDOXHJLYHQLQTable
19.
,IQHFHVVDU\PDNHDGMXVWPHQWVFigure 50VKRZV
ORFDWLRQRIKLJK¿UHDQGORZ¿UHDGMXVWPHQWVFUHZV
5HSHDWVWHSVDQGRQKLJK¿UH6HHYDOXHVLQ
Table 19.
6KXWXQLWRႇDQGUHPRYHPDQRPHWHUDVVRRQDVDQ
DFFXUDWHUHDGLQJKDVEHHQREWDLQHG
6WDUWXQLWDQGSHUIRUPOHDNFKHFN6HDOOHDNVLIIRXQG
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
*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
5HPRYHWHPSRUDU\JDVPHWHULILQVWDOOHG
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
Figure 52. Manifold Pressure Check Setup
Manifold Post
Clam
p
5/16” Round
Hose
Reducer
Fitting
10” Long
Square
Tubing
2” Long
Square Tubing
Tee
Gas Valve Regulator
Vent Hose
(to burner box)
Measuring Device
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3DJH
31-5001162 Rev. 0
Service Information
GAS PIPING (Cont.)
Proper Combustion
)XUQDFHVKRXOGRSHUDWHDWOHDVWPLQXWHVZLWKFRUUHFW
PDQLIROGSUHVVXUHDQGJDVÀRZUDWHEHIRUHFKHFNLQJ
FRPEXVWLRQV6HHVHFWLRQV(DQG)7DNHFRPEXVWLRQ
VDPSOHEH\RQGWKHÀXHRXWOHWTable 18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Table 19IRUPDQLIROG
SUHVVXUHVDQGTable 20IRUJDVFRQYHUVLRQDQGSUHVVXUH
VZLWFKNLWV
Capacity
CO2% for Nat CO2% for L.P.
/RZ)LUH High Fire /RZ)LUH High Fire
030 5.4 - 6.4   8.8 - 9.8
045 5.4 - 6.4   8.8 - 9.8
 5.3 - 6.3   
090  8.0 - 9.0  9.3 - 10.3
    9.1 - 10.1
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
$OO
6L]HV
1DWXUDO  3.5 1.6 3.3 1.5 3.2 1.5 3.1  3.5 4.5 13.0
/3
3URSDQH
4.5 10.0 4.2 9.4 4.0 9.1 3.9 8.9 4.5 10.0 11.0 13.0
NOTE:$QDWXUDOWR/3SURSDQHJDVFKDQJHRYHUNLWLVQHFHVVDU\WRFRQYHUWWKLVXQLW5HIHUWRWKHFKDQJHRYHUNLWLQVWDOODWLRQ
LQVWUXFWLRQIRUWKHFRQYHUVLRQSURFHGXUH
Table 19. Manifold and Supply Line Pressure 0 - 10,000 ft.
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)
030 + 14C92 + $ $
045
. : .
$ $
 $ $
090 $ $
110 % $
135 . : . %
%
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3UHVVXUHVZLWFKLVIDFWRU\VHW1RDGMXVWPHQWQHFHVVDU\$OOPRGHOVXVHWKHIDFWRU\LQVWDOOHGSUHVVXUHVZLWFKIURPIHHW
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background
3DJH
31-5001162 Rev. 0
GAS PIPING (Cont.)
Proper Ground and Voltage
CAUTION
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IXUQDFHFDELQHW7KHÀH[LEOHFRQQHFWRUFDQWKHQEHDGGHG
EHWZHHQWKHEODFNLURQSLSHDQGWKHJDVVXSSO\OLQH
$SRRUO\JURXQGHGIXUQDFHFDQFRQWULEXWHWRSUHPDWXUH
LJQLWRUIDLOXUH8VHWKHIROORZLQJSURFHGXUHWRFKHFNIRU
JURXQGDQGYROWDJHWRWKHLQWHJUDWHGFRQWURO
0HDVXUHWKH$&YROWDJHEHWZHHQ/LQH1HXWUDOVSDGH
WHUPLQDOVDQG³&´WHUPLQDOORZYROWDJHWHUPLQDOEORFN
RQWKHLQWHJUDWHGFRQWURO6HHFigure 53$ZLGH
YDULDWLRQLQWKHYROWDJHEHWZHHQ/LQH1HXWUDODQG³&´
DVDIXQFWLRQRIORDGLQGLFDWHVDSRRURUSDUWLDOJURXQG
&RPSDUHWKHUHDGLQJVWRTable 21,IWKHUHDGLQJV
H[FHHGWKHPD[LPXPVKRZQLQTable 21PDNHUHSDLUV
EHIRUHRSHUDWLQJWKHIXUQDFH
,QDGGLWLRQPHDVXUHWKH$&YROWDJHIURP/LQH+RWWR
/LQH1HXWUDOVSDGHWHUPLQDOVRQWKHLQWHJUDWHGFRQWURO
6HHFigure 597KLVYROWDJHVKRXOGEHLQWKHUDQJHRI
WR9DF
Table 21.
Service Information
Furnace Status
Measurement VAC
Expected Maximum
3RZHU2Q)XUQDFH,GOH 0.3 2
&$,,JQLWRU(QHUJL]HG  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
Figure 53.
background
3DJH
31-5001162 Rev. 0
Service Information
TYPICAL OPERATING CHARACTERISTICS
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NOTE:7KHIROORZLQJLVDJHQHUDOL]HGSURFHGXUHDQGGRHV
QRWDSSO\WRDOOWKHUPRVWDWFRQWUROV
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V\VWHP
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IDQVZLWFK:LWKIDQVZLWFKLQ21SRVLWLRQEORZHU
RSHUDWHVFRQWLQXRXVO\:LWKIDQVZLWFKLQ$872SRVLWLRQ
EORZHUF\FOHVZLWKGHPDQGRUUXQVFRQWLQXRXVO\ZKLOH
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HQWLUHXQLWZLOOEHRႇZKHQWKHV\VWHPVZLWFKLVLQ2))
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Temperature Rise (Figure 54)
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LQSXWEORZHUVSHHGEORZHUKRUVHSRZHUDQGVWDWLFSUHVVXUH
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)´OLVWHGRQWKHXQLWUDWLQJSODWH
Figure 54.
External Static Pressure
7DSORFDWLRQVVKRZQLQFigure 55.
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Figure 55.
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background
3DJH
31-5001162 Rev. 0
MAINTENANCE
WARNING
ELECTRICAL SHOCK, FIRE, OR
(;3/26,21+$=$5')DLOXUHWRIROORZVDIHW\ZDUQLQJV
exactly could result in dangerous operation, serious
injury, death or property damage.
Improper servicing could result in dangerous
operation, serious injury, death, or property damage.
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GLVFRQQHFWLQJ7DNHFDUHWRUHFRQQHFWZLUHVFRUUHFWO\
Verify proper operation after servicing.
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3DJH
31-5001162 Rev. 0
MAINTENANCE (Cont.)
Winterizing and Condensate Trap Care
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background
3DJH
31-5001162 Rev. 0
MAINTENANCE(cont.)
Cleaning Heat Exchanger (Cont.)
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Service Information
background
3DJH
31-5001162 Rev. 0
WIRING DIAGRAM
Service Information
J159
P159
IGNITOR
1
2
NOTE-
IF ANY WIRE IN THIS APPLIANCE IS REPLACED,IT
MUST BE REPLACED WITH WIRE OF LIKE SIZE,
HEATING UNITS-GAS
S51
L1
N
NNN
EQUIPMENT
GROUND
NN
P159
J159
BLUE
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
.65 AMP
24V
24VAC
SEC
NO
S102
C
GV1
GAS
VALVE
R33
S10
INTEGRATED
CONTROL
A92
THERMOSTAT HEAT ANTICIPATION SETTING
INTEGRATED CONTROL
INTEGRATED
CONTROL
A92
LOW HEAT
PRESSURE
SWITCH
CB8
S102
HIGH HEAT
PRESSURE
SWITCH
W2
PRIMARY
GAS
LIMIT
CIRCUIT
BREAKER
T1
TRANSFORMER
120V ACC
(IF USED)
G
N
L1
GV1
GAS
VALVE
B3
S51
S1
ROOM THERMOSTAT
C
Y1
OUTDOOR
UNIT
Y1
G
W1
R
C
9
8
7
6
5
4
321
C
HI
S10
S128
COMBUSTION AIR
INDUCER MOTOR
B6
P84
J84
INTERLOCK
DOOR
L13
POWER
CHOKE
P48
P49
24VAC
COM
Y2
W2
W1
G
Y1
R
DS
3
2
TERMINAL BOARD
Y2
INDOOR
BLOWER
MOTOR
Y2
Supersedes
Litho U.S.A.
C
MVL
7
11
5
12
HLI
RO(OUT)
6
8
TH
GND
TR
MV COM
FLAME
SENSOR
A92
FLAME
SENSE
2
3
1
HUM
4
WHT
120V
T1
BLK
B6
J84
J84
COMBUSTION AIR
BLOWER MOTOR
3
COMBUSTION AIR
BLOWER MOTOR
P84
P84
B6
2
DOOR
INTERLOCK
5
LINE
CIRC
2
HIGH HEAT
PRESSURE SWITCH
1
LOW HEAT
PRESSURE SWITCH
S128
PS2
MVH
PS1
C
4
10
9
GND
HOT
O
W951
S1
C
NO
9
4
11
(1) S47
2 HEAT 2 COOL
S47
J159
P159
FLAME
ROLLOUT
SWITCH
10
11
12
HONEYWELL VALVE
1
4
4
BURNERS
R33
IGNITOR
FLAME
SENSOR
5
6
7
FIELD SUPPLIED ACC WIRE
6
1
HEAT
COOL
FAN
ON
R
W1
Y1
G
W2
Y2
COOL
2
2
AUTO
ROOM THERMOSTAT
TWO STAGE
HEAT,COOL
USE COPPER CONDUCTORS ONLY
7
W1
W2
G
Y2
Y1
C
LO
DS
3
RO(IN)
L
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
K1
K4
K7
K8
8
8
HI
W914
W915
2
3
1
.43 AMP
WHITE RODGERS VALVE
CUT W914 JUMPER LABELED DEHUM FROM DS
TO R, AT A92 CONTROL BOARD, WHEN USED
WITH A THERMOSTAT HAVING
DEHUMIDIFICATION CONTROL.
NOTE: SEE INSTALLATION INSTRUCTIONS FOR PROCEDURE
TO SET CORRECT BLOWER SPEED FOR SPECIFIC COOLING
TONNAGE BEING APPLIED, AND HEATING TEMPERATURE
RISE REQUIRED.
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 NOT USED.
M
1
2
3
4
56
7
J3
L1
NEUTRALS
J2
M
7
7
2011
RDH
HUM
ACC
L1
P3
J3
P3
J3
J3
P3
J3
P3
120V
ACC
ACC
DIAGNOSTIC
RECALL
C
C
SEVEN
SEGMENT
LED
K5
K11
SEE HUM VIEWS
HUMIDIFIER
HUMIDIFIER
HUMIDIFIER
HUM
AT IFC
TO C
TO R OR H ON THERMOSTAT
TO N
TO L1
HUM
AT IFC
J2
P2
030-08
045-12
070-16
(2) S47
S47
FLAME
ROLLOUT
SWITCH
JACK/PLUG-INDOOR BLOWER-POWER
J,P48
J,P49
J,P2
J,P84
L13 USED ON 3/4
AND 1 HP ONLY
090-16
110-20
WHT
WHT
WHT
WHT/PINK
YEL
ORG
PURPLE
BRN
PINK
BRN
STRIPE
BLUE
PINK
BLUE
PURPLE
BRN
GRN/YEL
GRN/YEL
YEL
BRN
YEL
BLK
RED
WHT
9
DO NOT USE RED (LOW SPEED) FOR HIGH
HEAT ON ALL MODELS.
J49
BLUE
YLW
BRN
BLK
4
3
2
1
5
PARK
LOW HEAT
HIGH HEAT
LOW COOL
HIGH COOL
SEE BLOWER SPEED CHART
RED
UNIT
HIGH HEAT
HI COOL LOW COOL
BLACK
BLUE
045-12
070-16
090-16
110-20
HI
SPEED TAPS
LOW HEAT PARK
LOW
BLACK
BLACK
BLACK
YELLOW
YELLOW
YELLOW
RED
RED
RED
RED
YELLOW
YELLOW
RED
BROWN
BROWN
BROWN
BROWN
BLUE
BLUE
BLACK
BLUE
BROWN
BLOWER SPEED SELECTION
BLUE
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
9
J48
P48
INDOOR
BLOWER
MOTOR
C
L
G
N
WHT/BLK
BLACK
GN/YLW
WHT
B3
24-V
COM.
P49
4
3
2
1
5
CUT W915 JUMPER LABELED "2 STAGE COMPR."
FROM Y1 TO Y2 AT A92 CONTROL WHEN USED
WITH A 2 STAGE COOL THERMOSTAT.
DF045-12
BRN W / YEL
BLACK
BLUE
030-08
YELLOW
RED
BROWN
LGWP SENSORS
J4
J5
LGWP SENSORS
INDOOR/EVAPORATOR
COIL
ALARM
ZONE
P8
12
SW3
LOW
GWP
SENS
LOW
GWP
TEST
S2
S1
S4
H
HSI/CAI
P1
P2
Figure 58A. Wiring Diagram for 30, 45, 70, 90 and 110 Units.
background
3DJH
31-5001162 Rev. 0
WIRING DIAGRAM
Service Information
Figure 58B. Wiring Diagram for 135 Units.
J159
P159
ROTINGI
1
2
NOTE-
IF ANY WIRE IN THIS APPLIANCE IS REPLACED,IT
MUST BE REPLACED WITH WIRE OF LIKE SIZE,
HEATING UNITS-GAS
S51
L1
N
NNN
EQUIPMENT
GROUND
NN
P159
J159
EULB
EULB
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
V42
24VAC
SEC
NO
201S
C
GV1
GAS
VALVE
3R3
S10
INTEGRATED
CONTROL
A92
THERMOSTAT HEAT ANTICIPATION SETTING
INTEGRATED CONTROL
UNIT
LOW HEAT
PRESSURE
SWITCH
CB8
S102
HIGH HEAT
PRESSURE
SWITCH
W2
PRIMARY
LIMIT
S47
CIRCUIT
BREAKER
T1
TRANSFORMER
120V ACC
(IF USED)
G
N
L1
GV1
GAS
VALVE
B3
S51
S1
ROOM THERMOSTAT
C
Y1
OUTDOOR
UNIT
Y1
G
W1
R
C
9
8
7
6
5
4
312
C
HI
S10
S128
COMBUSTION AIR
INDUCER MOTOR
B6
P84
J84
COLRETNIK
ROOD
L13
POWER
CHOKE
P48
P49
J48
P48
V42AC
OCM
Y2
W2
W1
G
Y1
R
DS
3
2
TERMINAL BOARD
INDOOR
BLOWER
MOTOR
HIGH HEAT
Y2
INDOOR
BLOWER
MOTOR
Y2
Supersedes
Litho U.S.A.
C
VML
7
11
5
12
ILH
)TUO(OR
6
8
HT
DNG
RT
OC VMM
MALFE
OSNESR
A92
MALFE
ESNES
2
3
1
UHM
4
HWT
V021
T1
LBK
B6
J84
J84
IA NOITSUBMOC
R
ROTOM REWOLB
3
IA NOITSUBMOC
R
ROTOM REWOLB
P84
P84
B6
2
DOOR
INTERLOCK
5
LINE
CRIC
2
TAEH HGIH
CTIWS ERUSSERP
H
1
TAEH WOL
HCTIWS ERUSSERP
821S
SP 2
VMH
SP 1
C
10
9
GDN
HOT
4
32
1
O
159W
C
NO
9
4
11
(1) S47
(2) S47
2 HEAT 2 COOL
S47
J159
P159
FLAME
ROLLOUT
SWITCH
FLAME
ROLLOUT
SWITCH
01
11
21
HONEYWELL VALVE
1
2
3
1
4
4
BURNERS
R33
IGNITOR
FLAME
SENSOR
5
6
7
FIELD SUPPLIED ACC WIRE
6
HI COOL LOW COOL
1
HEAT
COOL
FAN
ON
R
W1
Y1
G
W2
Y2
COOL
2
2
ATUO
TWO STAGE
HEAT,COOL
USE COPPER CONDUCTORS ONLY
W1
W2
G
Y2
Y1
C
LO
DS
3
)NI(OR
L
EHA TP MUP
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
K1
K4
K7
K8
8
8
HI
W914
W915
M
M
12
34
5
67
L1
J3
NEUTRALS
J2
.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
7
7
DH AND L TERMINALS ARE NOT USED.
7
CUT W914 JUMPER LABELED DEHUM
FROM DS TO R, AT A92 CONTROL BOARD,
WHEN USED WITH ComfortSense
7000 THERMOSTAT
R
A92
INTEGRATED
CONTROL
2011
R
DH
DIAGNOSTIC
RECALL
ACC
HUM
120V
ACC
P3
J3
P3
J3
J3
P3
J3
P3
L1
C
C
SEVEN
SEGMENT
LED
CAC
K11
K5
HUMIDIFIER
HUMIDIFIER
HUMIDIFIER
120VAC
S1 ROOM THERMOSTAT
HUM
AT IFC
HUM
AT IFC
24VAC
TO C
TO R OR H ON CS7000
TO N
TO L1
SEE HUM VIEWS
J2
P2
L13 USED ON 3/4 AND 1 HP ONLY
135-20
HI
SPEED TAPS
UPR
ERD
HWT
LEY
HWT
LEY
KNIP
ELPRUP
EULB
YEL
LEY
ROG
ELPRUP
RBW
NPK
RBW
EPIRTS
BWR
/NRG YEL
NIP/THWK
5
J49
BULE
LYW
RBN
LBK
4
3
21
5
PA KR
OL W HEAT
EH HGIHAT
OLW COLO
LOOC HGIH
SEE BLOWER SPEED CHART
DER
LOW HEAT PARK
LOW
BLACK
RED
YELLOW
YELLOW
RED
BLUE
BROWN
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
9
DO NOT USE RED SPEED TAP FOR HIGH HEAT ON
ALL MODELS. DO NOT USE YELLOW SPEED TAP
FOR HIGH HEAT ON 070XE36B OR 090XE48C
MODELS.
9
CUT W915 JUMPER LABELED "2 STAGE COMPR."
FROM Y1 TO Y2 AT A92 CONTROL WHEN USED
WITH A 2 STAGE COOL THERMOSTAT.
C
L
G
N
WHT/BLK
BLACK
GN/YLW
WHT
P49
24-V
COM.
B3
LEY / W NRB
135-20
l
+
G
RGN
LBK
LI
H
LGWP SENSORS
J4
J5
LGWP SENSORS
INDOOR/EVAPORATOR
COIL
ALARM
ZONE
P8
12
SW3
LOW
GWP
SENS
LOW
GWP
TEST
S2
S1
S4
HSI/CAI
P1
P2
background
3DJH
31-5001162 Rev. 0
Service Information
ELECTRONIC IGNITION
7KHWZRVWDJHYDULDEOHVSHHGLQWHJUDWHGFRQWUROXVHGLQ
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Heating Sequence -- Integrated Control Thermostat
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(Factory Setting)
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1 stg heat demand
2 stg heat demand
15
ON
OFF
low speed CAI
35
1
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
39
Trial For
Ignition
blower
“off”
delay
RECOGNITION PERIOD
30 seconds
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31-5001162 Rev. 0
Service Information
ELECTRONIC IGNITION (Cont.)
Applications Using A Single-Stage Thermostat
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Heating Sequence -- Integrated Control Thermostat
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heat demand
15
ON
OFF
low speed CAI
35
1
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
39
Trial For
Ignition
blower
“off”
delay
7 or 12 minutes after heating demand begins, furnace switches to high fire (depending on setting)
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3DJH
31-5001162 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
OR
HARMONY
Service Information
ELECTRONIC IGNITION (Cont.)
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
21
'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
21
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31-5001162 Rev. 0
Service Information
ELECTRONIC IGNITION (Cont.)
Thermostat
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HEAT
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OPTION
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W915
2 STAGE
COMPR
W951
HEAT
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W914
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2 STAGE
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31-5001162 Rev. 0
Service Information
ELECTRONIC IGNITION (Cont.)
Table 23C.
Thermostat
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31-5001162 Rev. 0
Service Information
ELECTRONIC IGNITION (Cont.)
Table 23D.
Thermostat
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out blue
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3DJH
31-5001162 Rev. 0
Service Information
LOW GWP APPLICATION
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31-5001162 Rev. 0
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Fault
:KHQD/RZ*:3IDXOWLVGHWHFWHGE\WKHIXUQDFHFRQWURO
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FOHDUHG
NOTE:6HHTable 4³,JQLWLRQFRQWUROGLDJQRVWLFFRGHV´
background
3DJH
31-5001162 Rev. 0
Service Information
LGWP Test Button Functionality
7KHIXUQDFHFRQWUROERDUGLVHTXLSSHGZLWKDTest/Reset
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
Table 25. LGWP Test Button Function
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
Table 26. Additional Button Functions
External Alarm
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V\VWHPZKHQLWHQWHUV/HDN'HWHFWHGPRGH)RUDODUP
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Thermostat Compatibility
7KHUPRVWDWVWKDWSUHVHUYHPHPRU\VHWWLQJVDUHFRPSDWLEOH
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NOTE: (DUO\JHQHUDWLRQGLJLWDODQGSURJUDPPDEOH
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VHWSRLQW
Start Up Procedure
7KHIXUQDFHFRQWUROERDUGLVHTXLSSHGZLWKDLGWP Test/
ResetEXWWRQVHH7HVW%XWWRQ)XQFWLRQDOLW\$IWHUWKH
IXUQDFHFRQWUROERDUGKDVEHHQPRXQWHGDQGZLUHGUHVWRUH
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VHTXHQFHLVFRPSOHWHSURFHHGWRWHVWLQJFRROLQJGHPDQG
DQGKHDWLQJGHPDQG
Cooling Demand
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ERDUG7KHV\VWHPWKHQH[HFXWHVDOHDNGHWHFWLRQ
UHVSRQVH
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D7KH/('LQGLFDWRUIRUOHDNGHWHFWLRQ6HHTable 4
´,JQWLRQFRQWUROGLDJQRVWLFFRGHV´
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F7KHRXWGRRUFRPSUHVVRUSRZHUVGRZQ
3UHVVWKHLGWP TestEXWWRQWRWHUPLQDWHWKHVLPXODWHG
/HDN'HWHFWHGPRGHXSRQWHVWFRPSOHWLRQ
Heating Demand
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UHVSRQVH
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³,JQLWLRQFRQWUROGLDJQRVWLFFRGHV´
E7KHEORZHUSRZHUVXS
F7KHJDVEXUQHUVSRZHUGRZQ
G7KHRXWGRRUFRPSUHVVRUSRZHUVGRZQ
3UHVVWKHLGWP Test EXWWRQWRWHUPLQDWHWKHVLPXODWHG
/HDN'HWHFWHGPRGHXSRQWHVWFRPSOHWLRQ
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Mode of
Operation
Press the Test Button to:
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FRQGLWLRQ,IWKHIDXOWLVQRWUHVROYHGWKH
IXUQDFHFRQWUROERDUGZLOOHQWHUWKH)DXOW
PRGHDJDLQ
State Press Action
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DUHUHFRJQL]HGE\WKHIXUQDFHFRQWURO
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,QLWLDOL]LQJ /RQJ 5HVHWFRQWURO
0RQLWRULQJ 6KRUW &OHDUSXUJHFRXQWHULISULRUPLWLJDWLRQKDV
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6HUYLFLQJ /RQJ 5HVHWFRQWURO
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background
3DJH
31-5001162 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
YES
YES
YES
ERROR
CODE
FLASHES
ON(LOW HEAT
SPEED)
NO
NO
NO
NO
CALL
FOR HEAT
ENDS?
ERROR CODE
FLASHES (AFTER
5 SECONDS)
5TH
UNSUCCESSFUL
TRIAL?
POSTPURGE
(5 SECONDS)
INDUCER
OFF
NO
YES
NO
NO
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)
NO
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
NO
INDUCER OFF
AFTER POST
PURGE
HARD LOCKOUT í
ERROR CODE
FLASHES
YES
YES
YES
1
2
1
LOW PRESSURE
SWITCH OPENS
1
2
HARD LOCKOUT REQUIRES THERMOSTAT RESET OR CYCLING OF POWER TO RESET THE LOCKOUT.
3
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.
1
2
1
NO
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
NO
INDUCER OFF-
WAIT
5 MINUTES
ERROR CODE
FLASHES
YES
YES
YES
YES
NO
3
INDOOR BLOWER OFF AFTER
INDOOR
BLOWER OFF
INDOOR
BLOWER
ROLLOUT
CIRCUIT
CLOSES
NO
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
background
3DJH
31-5001162 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
NO
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)
2
3
1
2
3
1
2
3
YES
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.
background
3DJH
31-5001162 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?
NO
YES
'(í(1(5*,=(1'67AGE
GAS VALVE
INDUCER SPEED SWITCHED
TO LOW SPEED
1
2 3
1ST STAGE HEAT
1ST STAGE
CALL FOR HEAT
SATISFIED?
NO
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
background
3DJH
31-5001162 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?
NO
YES
YES
YES
NO
1ST STAGE
COOLING REQUEST
STILL ACTIVE?
NO
YES
YES
ENERGIZE 2ND STAGE
COOLING CONTACTOR
(COMPRESSOR & FAN)
'(í(1(5*,=(1'
STAGE COOLING
CONTACTOR
(COMPRESSOR & FAN)
NO
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
1
1
2
2
1
1
1
2
2
'(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
background
3DJH
31-5001162 Rev. 0
Service Information
TROUBLESHOOTING - Continuous Fan / Accessories Sequence of Operation
CALL FOR FAN
CALL FOR FAN
REMOVED?
REQUEST
FOR HEAT
RECEIVED?
REQUEST
FOR COOLING
RECEIVED?
GO TO CALL FOR 1ST STAGE HEAT
GO TO CALL FOR COOLING
1
1
1
4
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
YES
NO
NO
YES
NO
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IRUVHFRQGVWRLPSURYHKHDWH[FKDQJHUZDUPXS
1
1
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GE - General Electric NF97U070T3BR Questions and Answers