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Wiring Diagrams
Electrical Connection
and Ladder Diagram
August 1999
Used oon:
Model
Design Sequence
AW075
B, C and D
AB200
B
AW215
B
AW230
C and D
7.1-3
3
WARNING: THIS HEATER MAY START AT ANY TIME
L.E.D. INDICATOR
TRANSFORMER
HSI CONTROL
BLACK
GROUND
IND
L1
FSI
HSI
HSIG
COMM
PSO
FSG
PSI
W
GV
C
ELECTRICAL CONNECTION DIAGRAM
ELECTRICAL LADDER DIAGRAM
FAN
MOTOR
BLA
C
K
WHITE
BLA
C
K
BLA
C
K
WHITE
RED
RED
WHITE
YELLO
W
GREEN
YELLO
W
YELLO
W
BR
O
W
N
GREEN
AIR PROVING
SWITCH
HIGH LIMIT
SWITCH
FLAME
SENSOR
HEAT CHAMBER
OR
BURNER GROUND
IGNITER
GAS CONTROL VALVE
THERMOSTAT
BR
O
W
N
GREEN
GREEN
BR
O
W
N
WHITE
RED
RED
BR
O
W
N
GREEN
YELLOW
YELLOW
YELLO
W
YELLO
W
GREEN
WHITE
GREEN
ON
OFF
TERMINAL
STRIP
JUMPER
(SEE NOTE)
NOTE: REMOVE JUMPER TO
ADD THERMOSTAT
BLACK
WHITE
WHITE
BLACK
WHITE
BLACK
WHITE
BLACK
YELLOW
WHITE
WHITE
BLACK
BLACK
WHITE
ON/OFF
SWITCH
BLA
CK
BLA
C
K
WHITE
WHITE
GREEN
L1
L1
NEUTRAL
ON-OFF
SWITCH
TRANSFORMER
THERMOSTAT
GROUND
120V
24V
HOT
SURFACE
IGNITER
FLAME
SENSOR
AIR PROVING
SWITCH
BURNER
GROUND
MOTOR
HIGH LIMIT
SWITCH
SOLENOIDS
NEUTRAL
HEATER GROUND
L.E.D. INDICATOR
HSI CONTROL
IND
L1
FSI
HSI
HSIG
COMM
PSO
FSG
PSI
W
GV
C