Electrical Connection And Ladder Diagram - L.B. White AB230 Owner's Manual And Instructions

Electrical Connection and Ladder Diagram

Always refer to the heater's electrical connection diagram when servicing to avoid wiring errors and heater malfunction.
GREEN/
YELLOW
GROUND
AIR PROVING SWITCH
GREEN/
YELLOW
GROUND
L 1
THERMOSTAT
AIR PROVING SWITCH
IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE
MUST BE REPLACED, IT MUST BE REPLACED WITH WIRING HAVING
A TEMPERATURE RATING OF AT LEAST 302º F (150º C).
26
Check for proper operation after servicing.
WARNING: THIS HEATER MAY START AT ANY TIME
GAS CONTROL
VALVE
HIGH LIMIT
SWITCH(ES)
YELLOW
BROWN
MOTOR
BLUE
ELECTRICAL CONNECTION DIAGRAM
240V
TRANSFORMER
24V
FUSE
ELECTRICAL LADDER DIAGRAM
CAUTION
FUSE
TRANSFORMER
GREEN/YELLOW
CABINET, CONTROL VALVE, MOTOR,
& THERMOSTAT GROUND
CABINET, CONTROL VALVE,
MOTOR, & THERMOSTAT GROUND
MOTOR
HIGH LIMIT
SWITCH(ES)
BROWN
BLUE
GREEN/
YELLOW
GROUND
THERMOSTAT
(OPTIONAL)
JUMPER
(REMOVE TO ADD
THERMOSTAT)
BROWN
BLUE
POWER
CORD
NEUTRAL
GAS CONTROL
VALVE