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A/HCG3 199 & 250 WIRING DIAGRAM
2
GREEN
WHITE
RED
BLACK
1
1
2
BLACK
3
WHITE
COMBUSTION
BLOWER
UPPER TEMPERATURE PROBE
1 RED (ECO)
4 RED (ECO)
2 BLACK
3 BLACK
1 BLACK120 VAC HOT
3 WHITE 120 VAC NEUTRAL
4 YEL 24 VAC
4 YEL 24 VAC
LOWER TEMPERATURE PROBE
HOT SURFACE IGNITER
FLAME SENSOR
BLOCKED
AIR INTAKE
BLOCKED
EXHAUST
BLOWER
PROVER
24 VAC
GAS VALVE
B (CENTRAL CONTROL BOARD)CC
6J5J4J7J51J
61J
01J31J2J3J1J
TRANSFORMER
INSIDE CCB
ENCLOSURE
50VA
GROUND STRIP
BURNER GROUND
(BURNER BOLT)
ON/OFF
SWITCH
GROUND
120 VAC NEUTRAL
120 VAC HOT
LOW GAS
PRESSURE SWITCH
1 BLACK
2 WHITE
RED
1 BLACK
2 BLACK
1 BLACK
2 WHITE
M
USER INTERFACE MODULE
IU
1
2
15
4
14
5
10
6
7
8
13
11
L
N
ANODE 1
ANODE 2
1 GREEN
2 BLUE
145
3 WHITE/GREEN
7 WHITE/BLUE
8 WHITE/BROWN
2 RED
GREEN
WHITE
NOITCNUJ
XOB
GREEN
NEERG
NEERG
ENABLE/DISABLE CIRCUIT
JUMPER WIRE BETWEEN PINS
8 AND 11 ON J6 PLUG
NOTE: COMBUSTION BLOWER
ASSEMBLY CONSISTS OF
MOTOR, BLOWER AND INTEGRAL
VFD (variable frequency drive).
120 VAC 1 Ø POWER
PWM (pulse width modulation)
SPEED INSTRUCTION SIGNAL
WIRES FROM CCB TO BLOWER
MOTOR VFD (variable frequency drive).
Figure 67