Electrical connection / diagrams, Electrical connection and ladder diagram, Caution – L.B. White AW100 User Manual
Page 14: F. (150
CAUTION
Always refer to the heater’s electrical connection diagram when servicing to avoid wiring errors and heater malfunction.
Check for proper operation after servicing.
14
Electrical Connection and Ladder Diagram
TRANSFORMER
WARNING: THIS HEATER MAY START AT ANY TIME
ELECTRICAL CONNECTION DIAGRAM
ELECTRICAL LADDER DIAGRAM
L.E.D. INDICATOR
HSI CONTROL
FAN
MOTOR
HIGH LIMIT
SWITCH(ES)
FLAME
SENSOR
HEAT CHAMBER
OR
BURNER GROUND
IGNITER
* THERMOSTAT
GAS CONTROL VALVE
AIR PROVING
SWITCH
GROUND
L1
NEUTRAL
* THERMOSTAT
NEUTRAL
GROUND
HIGH LIMIT
SWITCH
BURNER
GROUND
SOLENOID(S)
AIR PROVING
SWITCH
FLAME
SENSOR
L.E.D. INDICATOR
HSI CONTROL
MOTOR
TRANSFORMER
120V
24V
IND
L1
HSI
HSIG
L2
W
PSI
FSI
GV
PSO
FSG
C
BR
O
W
N
WHITE
GREEN
BLACK
WHITE
BLACK
GREEN
GREEN
RED
RED
PURPLE
WHITE
BR
O
W
N
BR
O
W
N
BLA
C
K
WHITE
BLUE
BLUE
BLA
CK
BLA
C
K
WHITE
WHITE
WHITE
BLA
C
K
GREEN
YELLO
W
BLA
CK
BLA
CK
RED
RED
WHITE
YELLO
W
BLUE
PURPLE
BR
O
W
N
BLUE
GREEN
GREEN
IND
L1
HSI
HSIG
L2
W
PSI
FSI
GV
PSO
FSG
C
GREEN
WHITE
BLA
CK
IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE HEATER MUST BE REPLACED,
IT MUST BE REPLACED WITH WIRING HAVING A TEMPERATURE RATING OF AT LEAST 302
O
F. (150
O
C.)