Weil-McLain GOLD CGt Manual page 46

GOLD CGt Gas-Fired Water Boiler — Boiler Manual
11b
Troubleshooting — components
Figure 35 Control module connections
High voltage to
pilot spark electrode
Red wire to
gas valve MV
Blue wire to
gas valve PV
Red wires to
pressure switch
FLAME
PRESS SWITCH
LIMIT
TSTAT CIRC
POWER
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46
Black
120 VAC H 120 VAC H
White
120 VAC N
120 VAC to
transformer
Blue
Blue
Yellow wires to limit control,
ambient temperature switch.
24 VAC control
circuits
Ground
Green
Black
120 VAC N
White
120 VAC to
inducer motor
Black wires to
thermostat circuit
White wire to
gas valve MV/PV
rollout switch and
SJO cable
High voltage to spark electrode
120 VAC to transformer
120 VAC IN
24 VAC control circuits
24 VAC from transformer (from plug)
120 VAC to inducer motor
120 VAC to circulator
Sense wire to flame sensor
(continued)
24 VAC from
Brown
transformer
Red
Control module receptacle
Plug
Red
Brown
Crimp-on splice
Tankless heater
low limit control
Pink
Blue
3-Way valve connector
(valve terminal numbers are same)
120 VAC H
Entrance
ground
Chassis
ground
to J-box
120 VAC N
120 VAC IN
120 VAC H
120 VAC N
120 VAC to circulator
Flame sense wire to pilot
Part Number 550-110-290/0501
24 VAC
Pink
Pink
Pink
Pink
Black
Blue
Black
Green
Green
White
Black
White