1. Home
  2. Weil-McLain
  3. Weil-McLain BCP-8 User Manual
  4. Page 13

Weil-McLain BCP-8 Boiler Control Panels (BCP)

Installation and Operation Instructions Manual - Page 13

For BCP-8. Also, The document are for others Weil-McLain models: BCP-8W, BCP-8X

PDF File Manual, 40 pages, Read Online | Download pdf file

BCP-8 photo
Loading ...
Loading ...
Loading ...
13
%&3:,QVWDOODWLRQDQG2SHUDWLRQ0DQXDO
:,5,1*7+(3803259$/9(2873876
 ,IWKH%&3:LVFRQ¿JXUHGWRRSHUDWH6WDJH3XPSVRU9DOYHV7KH\PXVWEHZLUHGWRWKHVWDJH
RXWSXWDIWHUWKHKLJKHVWVWDJHIRUWKDWERLOHU7KDWLVWKHORZVWDJHIRUWKH¿UVWERLOHUPXVWEH
connected to A and the higher stage of the same boiler must be connected to Stage B. The boiler
valve or pump for the same boiler must be connected to Stage C.
N
2
35
Stage A
7
Stage B
9
Stage C
11 13
Stage E Stage F
Stage D
6 8 10 12 144
Lo Hi
Unit1
Stages
Unit1
Pump
Lo Hi
Unit2
Stages
Unit2
Pump
L
N
&211(&7,1*727+(%&3;3$1(/6$1'02',17(5)$&(
 7KH%&3:LVHTXLSSHGZLWKDSKRQHVRFNHW56WRFRQQHFWWRWKH%&3;([WHQVLRQSDQHOVRUWKH02',QWHUIDFH
XVLQJWKHSURYLGHGSLQSKRQHFDEOH
 (DFK%&3;([WHQVLRQKDVWZR56FRPPXQLFDWLRQSRUWV8VHRQHWRFRQQHFWWRWKH%&3:8VHWKHRWKHUSRUWWR
connect to the second extension or the 420MOD Interface.
 $GGLWLRQDOFRPSDWLEOHGHYLFHVFDQXWLOL]HWKHVHFRQG56FRQQHFWLRQRQWKHVHFRQG%&3;([WHQVLRQ$QH[DPSOHZRXOG
EHWRXVHWKH02',QWHUIDFHWRSURYLGHDP$VHWSRLQWVLJQDOWRWKH%&3:
6(/(&7,1*7+(%&3;3$1(//(77(5
 7KH%&3:LVFDSDEOHRIFRPPXQLFDWLQJWRWZR%&3;([WHQVLRQV+RZHYHUHDFK
H[WHQVLRQPXVWEHLGHQWL¿HGDVHLWKHU$RU%XVLQJWKHVZLWFKRQHDFKH[WHQVLRQWRDYRLGKDYLQJ
communication problem.
 ([WHQVLRQ$6ZLWFKLVVHWWR$ZLOORSHUDWHVWDJHV,WKURXJK3:KLOH([WHQVLRQ%
(Switch is set to "B") will operate stages "Q" through "X".
Ext A
Ext B
Connecting BCP-8 to Two Extension Panels
and 420MOD Interface using RS485
BCP-8
HYDRONIC SEQUENCING CONTROL
SYSTEM
DHW PUMP
INPUT RATINGS:
115VAC 60Hz, 12VA MAX
Use Copper Conductors Only.
CAUTION:
Risk of Electric Shock.
PWR
LN
12
SENSORS MUST BE GOLD SERIES
SYSTEM
3
DHW
PUMP
5
Stage A
7
Stage B
9
Stage C
11 13
Stage E
15
Stage F
17
Stage D
6 8 10 12 14
16 18
RS485
SYS=144F OD=35F
<AB
>DE GH JK
HI LO -- OFF
4
Stage G
19
Stage H
21
OUTDOOR
TEMP
27 29 31
DHW
33
SHUTDOWN
/TSTAT
/SETBACK
35
RETURN
TEMP
20 22 28 30 32 34 36
STAGE MENU
Stage E
Stage F
Stage G
Stage H
Stage A
Stage B
Stage C
Stage D
25 26
PRESS
+ -
37 38
PROVE
TEMP
PROGRAM RUN
23 24
COMB.
AIR
DO NOT APPLY ANY VOLTAGE TO INPUT TERMINALS
COMB. AIR
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT
LISTED
99RA
CUS
O
P
Power
CAUTION:
Risk of Electric Shock.
PWR
LN
12
I
34
J
56
K
78
L
910
M
11 12
EXTENSION
MODULE
RS-485
Ext A
INPUT RATINGS:
115VAC 60Hz, 12VA MAX
OUTPUT RATINGS:
120VAC, 6A RESISTIVE
1A PILOT DUTY, 15A TOTAL
FOR ALL CIRCUITS
Ext B
L
M
N
Comm
T
U
V
W
X
N
13 14
Q S UR T V
BCP-8X A
Use Copper Conductors Only.
I
J
K
Q
R
S
O
15 16
P
17 18
W X
O
P
Power
CAUTION:
Risk of Electric Shock.
PWR
LN
12
I
34
J
56
K
78
L
910
M
11 12
EXTENSION
MODULE
RS-485
Ext A
INPUT RATINGS:
115VAC 60Hz, 12VA MAX
OUTPUT RATINGS:
120VAC, 6A RESISTIVE
1A PILOT DUTY, 15A TOTAL
FOR ALL CIRCUITS
Ext B
L
M
N
Comm
T
U
V
W
X
N
13 14
Q S UR T V
BCP-8X B
Use Copper Conductors Only.
I
J
K
Q
R
S
O
15 16
P
17 18
W X
4-20 mA EMS
4-20mA INPUT
+
Signal GND
1
2
3
RS485
EXTENSION
CONNECTORS
420MOD EMS Interface
4-20mA
EMS Signal
(+)
(-)
6 Pin Phone Cable (provided with Extension)
6 Pin Phone Cable (provided with 420MOD EMS Interface)
SEQUENCING CONTROL EXTENSION
BCP-8X
SEQUENCING CONTROL EXTENSION
BCP-8X
BCP-8W
Loading ...
Loading ...
Loading ...