Electrical connection and ladder diagram – L.B. White 350 Premier Dual Fuel User Manual
Page 28
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Electrical Connection and Ladder Diagram
28
DIRECT SENSE
IGNITER
AIR PROVING SWITCH
GREEN
BURNER GROUND
GREY
OR
BLACK
GREEN
GREEN
YELLOW
YELLOW
GROUND
BROWN
BROWN
BROWN
HIGH LIMIT SWITCHES
WARNING: THIS HEATER MAY START AT ANY TIME
CAUTION - REFER TO THE EQUIPMENT'S ELECTRICAL CONNECTION DIAGRAM WHEN SERVICING
TO AVOID WIRING ERRORS & HEATER MALFUNCTION. CHECK FOR PROPER OPERATION AFTER SERVICING.
YELLOW
BROWN
RED
YELLOW
YELLOW
YELLOW
YELLOW
BLACK
BLACK
BLACK
DSI CONTROL
C/COM
X
FS
W
PS1
PS2
MV
LED
IND
L1
R
YELLOW
GREEN
GREEN
GREEN
GREEN
WHITE
BLACK
GROUND
TRANSFORMER
JUMPER
YELLOW
YELLOW
WHITE
WHITE
WHITE
JUMPER
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
WHITE
BLACK
TERMINAL
STRIP
GREEN
GREEN
GREEN
WHITE
WHITE
WHITE
BLACK
BLACK
BLACK
BLACK
WHITE
GREEN
WHITE
BLACK
GREEN
BROWN
GAS CONTROL
VALVE
C
MV
WHITE
BLACK
POWERCORD
WHITE
BLACK
THERMOSTAT
WHITE
BLACK
HEAT
OFF
VENT
RED
WHITE
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
SELECTOR SWITCH W/ L.E.D.
FAN MOTOR
RELAY
GREEN
WHITE
BLACK
MOTOR
0
1
2
4
6
8
IF ANY OF THE ORIGINAL WIRES AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED, IT MUST BE
REPLACED WITH WIRING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 302ºF (150ºC)
ELECTRICAL LADDER DIAGRAM
ELECTRICAL CONNECTION DIAGRAM
HEAT
OFF
VENT
SELECTOR SWITCH
W/ L.E.D.
GROUND
MOTOR
L1
NEUTRAL
115V
24V
TRANSFORMER
FAN MOTOR RELAY
01
24
6
8
GAS VALVE
SOLENOIDS
HIGH LIMIT
SWITCH
HIGH LIMIT
SWITCH
AIR PROVING SWITCH
LED
DIRECT SENSE
IGNITER
BURNER GROUND
DSI CONTROL
X
FS
W
PS1
PS2
MV
LED
IND
L1
R
THERMOSTAT
C/COM