Weil-McLain Gold CGi Series 2 User Manual page 48

GOLD
11b
Troubleshooting —
Figure 38 Control module connections
High voltage to
pilot spark electrode
Blue wire to
gas valve PV
Red wires to
pressure switch
71040
48
CGi Series 2 Gas-Fired Water Boiler
Black
White
Red wire to
gas valve MV
24 VAC control
circuits
FLAME
PRESS SWITCH
LIMIT
TSTAT CIRC
POWER
components
120 VAC H
SJO cable
120 VAC N
to J-box
120 VAC to
transformer
Black wires to
thermostat circuit
White wire to
gas valve MV/PV
Yellow wires to limit control
and rollout switch
High voltage to spark electrode
120 VAC to transformer
120 VAC IN
24 VAC control circuits
24 VAC from transformer
120 VAC to inducer motor
120 VAC to circulator
Sense wire to flame sensor
continued
Black
120 VAC H
Green
Entrance
ground
Green
Chassis
ground
White
120 VAC N
120 VAC IN
24 VAC
24 VAC from transformer
Ground
Green
120 VAC H
Black
120 VAC N
White
120 VAC to
inducer motor
Yellow
120 VAC H
White
120 VAC N
120 VAC to circulator
Flame sense wire to pilot
Part Number 550-110-710/0200