Electrical Connection And Ladder Diagram - L.B. White FUEL HD120 Owner's Manual

Electrical Connection and Ladder Diagram

TO AVOID WIRING ERRORS AND HEATER MALFUNCTION. CHECK FOR PROPER OPERATION AFTER SERVICING.
BLACK
WHITE
FLAME SENSOR
BURNER
GROUND
HEAT
OFF
L1
VENT
SELECTOR SWITCH
NEUTRAL
GROUND
IF ANY OF THE ORIGINAL WIRES AS SUPPLIED WITH THE HEATER MUST BE REPLACED, IT MUST BE REPLACED WITH WIRING MATERIAL
25
CAUTION-REFER TO THE HEATER'S ELECTRICAL CONNECTION DIAGRAM WHEN SERVICING
WARNING: THIS HEATER MAY START AT ANY TIME
BLACK
WHITE
GREEN
POWER CORD
JUMPER
TERMINAL
1
STRIP
GROUND
TRANSFORMER
YELLOW
GREEN
IGNITER
HIGH VOLTAGE
IGNITION LEAD
ELECTRICAL CONNECTION DIAGRAM
MOTOR
HIGH
HEAT
120V 24V
LOW
HEAT
THERMOSTAT
ELECTRICAL LADDER DIAGRAM
HAVING A TEMPERATURE RATING OF AT LEAST 302 F (150 C)
BLACK WHITE
HEAT
WHITE
BLACK
OFF
WHITE
BLACK
VENT
SELECTOR SWITCH
JUMPER
2 3 4 6 7
5
FAN
MOTOR
DSI CONTROL
GAS VALVE
SOLENOIDS
GROUND
(OPTIONAL)
THERMOSTAT
YELLOW
WHITE
RED
BLUE
BLACK
GREEN
RED
HI LO
JUMPER
8
9 10
GAS CONTROL
VALVE
GREEN
C
HI
BROWN
MV
HIGH LIMIT
SWITCH
BROWN BROWN
BLUE
BLUE
AIR PROVING
DIRECT SENSE
IGNITER
HIGH LIMIT
SWITCH
AIR PROVING SWITCH
BURNER GROUND
BURNER
GROUND
SWITCH
L1
IND
L.E.D.
MV
PS2
PS1
W
FS
R
X
C
COM