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Additional Information
Wiring Diagram
GC131 BURNER IGNITION MODULE
WARNING! DISCONNECT POWER
BEFORE SERVICING BOILER.
CAUTION! LABEL ALL WIRES PRIOR TO
DISCONNECTION WHEN SERVICING CONTROLS.
WIRING ERRORS CAN CAUSE IMPROPER AND
DANGEROUS OPERATION. VERIFY PROPER
OPERATION AFTER SERVICING.
IF ANY OF THE ORIGINAL WIRE AS SUPPLIED
WITH THE APPLIANCE MUST BE REPLACED
IT MUST BE REPLACED WITH ITS
EQUIVALENT.
ONLY ONE FUNCTION/ACCESSORY MAY BE
ASSIGNED TO EACH CONNECTION.
MAIN POWER SUPPLY
120V, 60HZ, 12A
N G L
MAIN
DISCONNECT
SWITCH
L2
L1
P1
P2
A
120VAC
WALL
RECEPTACLE
See legend for this wiring diagram on next page.
68
190A
K5
K4
INTERNAL CONNECTIONS
N
G
L
L
G
N
x 4
A
W
G
1
6
WH GN
BK
RD
2
3
0
V
A
C
X3
G
L1
N
L2
JUMPER
K5
--5%
+5%
T
240VAC
120- -230V
300VA
F
2
T3.5A
F
1
T
1
2
A
K3
K2
N
L
G
L
L
G
N
--X1
40
20A
N
G
L
3xAWG16
N
G
L
M
120VAC
120VAC
SYSTEM
DHW
PUMP
PUMP
O
U
T
P
U
T
: S
1
2
o
99 C
o
210 F
H1
PCB
K3
K2
K4
K1
24VDC
24VDC
24VDC
24VDC
POWER PUMP MODULE
K5
K1
K4
G
N
L
G
N
L
X2
G
N
L
G
N
21
20
50
28
120VAC
M
M
M
120VAC
120VAC
DHW
BOILER
FAULT ALARM
PUMP
OUTPUT
RE- -CIRC.
PUMP
0
V
A
C
8
A
m
a
. x
T
O
T
A
L
FIELD CONNECTIONS
X8.1
X8.10
X8.11
X9.1
X9.3
X9.4
3
1
2
1 2 3 4 5 6 7
KM--BUS
Accessories
Conduit
BN
BL
K
M
b --
u
143
144
145
3
1
2
3
1
2
1
2
3
- -
+
- -
+
EXTERNAL
EXTERNAL
DEMAND
0- -10V
SEE
143
SIGNAL
X1 X2
A7
A8
OR
A8
s
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