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20
WIRING DIAGRAM
HEATER SUPPLIED WITH T92 SERIES RELAY
HEATER SUPPLIED WITH KUHP SERIES RELAY
NOTICE: IF ANY OF THE ORIGINAL WIRE
AS SUPPLIED WITH THE APPLIANCE
MUST BE REPLACED, IT MUST BE
REPLACED WITH 18 GAUGE STRANDED
105C WIRE OR ITS EQUIVALENT.
THERMOSTAT
BOARD
IGNITION
CONTROL
IGNITION
CONTROL
BLOWER
HSI
HSIG
L1
L2
IND
120 VAC
24 VAC
GAS VALVE
RELAY
RED LED
GREEN LED
YELLOW LED
THERMOSTAT
SENSOR-ECO
C
GV
W
POT
N.O.
24 V
HOT
ONLY
COM
THERMOSTAT
DIAL
TO 120/60
POWER SUPPLY
SEN-1
LOWER
IGNITER
GND
GND
GND
GND
FUSED
DISCONNECT
L1
NEUTRAL
GND
PSI
PSO
PRESSURE
SWITCH
BLACK
WHITE
WHITE
RED
LED
YELLOW
LED
GREEN
LED
BROWN
YELLOW
RED
THERMOSTAT
DIAL
ORANGE
GAS VALVE
BROWN
BLUE
BLUE
WHITE
IGNITER
RED
GREEN
YELLOW
ORANGE
RED
24V
120V
TRANSFORMER
BLACK
GREEN
GROUND
BLACK
BLACK/WHITE
IGNITION
CONTROL
120V/60Hz
BLOWER
GREEN
WHITE
THERMOSTAT
BOARD
NO
COM
RELAY
POT
SEN-1
LOWER
24V
HOT
ONLY
THERMOSTAT
SENSOR/ECO
YELLOW
RED
RED
RED
GREEN
BLACK
GREEN
BLUE
IND
L1
HSI
HSIG
L2
W
PSI
GV
PSO
FSG
C
COMMON (C)
PRESSURE
SWITCH
NORMALLY OPEN
(NO)
NEUTRAL (WHITE)
L1 (BLACK)
FUSED
DISCONNECTED
TO 120/60
POWER
SUPPLY
120 VAC
(BLACK & WHITE
WIRES IN BOLD)
BLACK/WHITE
BLACK/RED
L2
N.O.
WHITE
BLACK/RED
RELAY
BLACK
8
60
1
GREEN
WHITE
BLACK
RELAY
6
8
1
0
RELAY
COIL
Figure 20A
Figure 20B