22
Electrical Connection and Ladder Diagram
0
1
2
4
6
8
ELECTRICAL LADDER DIAGRAM
ELECTRICAL CONNECTION DIAGRAM
IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE HEATER MUST BE REPLACED, IT MUST BE REPLACED WITH
WIRING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 302ºF (150ºC)
CAUTION: REFER TO HEATERS ELECTRICAL CONNECTION DIAGRAM WHEN SERVICING
THE HEATERS ELECTRICAL COMPONENTS TO AVOID WIRING ERRORS AND EQUIPMENT MALFUNCTION.
CHECK FOR PROPER OPERATION AFTER SERVICING.
WARNING: THIS HEATER MAY START AT ANY TIME
HIGH VOLTAGE IGNITION LEAD
WHITE
WHITE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BROWN
BROWN
BROWN
BROWN
BROWN
WHITE
GREY
GREEN/YELLOW
GREEN/YELLOW
GREEN/YELLOW
YELLOW
YELLOW
YELLOW
IGNITER
FLAME SENSOR
TRANSFORMER
FUSE
HIGH LIMIT
SWITCH
BURNER
GROUND
GAS
CONTROL
MOTOR
RELAY
FAN
MOTOR
GREEN/YELLOW
GREEN/YELLOW
GREEN/YELLOW
GREEN/YELLOW
GREEN/YELLOW
GREEN/YELLOW
GREEN/YELLOW
GREEN/YELLOW
CASE
GROUND
POWER
CORD
AIR PROVING
SWITCH
OPTIONAL
THERMOSTAT
GREEN/YELLOW
GREEN/
YELLOW
BLUE
BROWN
BLUE
BROWN
BROWN
BLUE
RED
WHITE
BLUE
BROWN
RESET
SWITCH
JT2
JT1
J6
J5
J3
J2
J1
DSI
CONTROL
GROUND
GROUND
GROUND
GROUND
GROUND
BURNER
GROUND
MOTOR
SOLENOID(S)
HIGH LIMIT
SWITCH
NEUTRAL
L1
MOTOR RELAY
OPTIONAL
THERMOSTAT
AIR PROVING
SWITCH
RESET
SWITCH
FLAME
SENSOR
IGNITER
GROUND
FUSE
TRANSFORMER
DSI CONTROL
24V
240V
J2
J1
J3
JT2
JT1
J6
J5
BROWN
BROWN