Electrical Connection And Ladder Diagrams - L.B. White CP400 Owner's Manual And Instructions

Electrical Connection and Ladder Diagrams

WITH HEAT/OFF/VENT SELECTOR SWITCH AND THERMOSTAT
CAUTION - REFER TO THE HEATER'S ELECTRICAL CONNECTION DIAGRAM WHEN SERVICING
TO AVOID WIRING ERRORS & HEATER MALFUNCTION. CHECK FOR PROPER OPERATION AFTER SERVICING.
WARNING: THIS HEATER MAY START AT ANY TIME
DIRECT SPARK
IGNITION CONTROL
RED
VALVE MV
BLUE
AIR PROVING
AIR PROVE PSI
BLACK SWITCH
MOTOR IND BLACK
BLACK
120 VAC L1
BLUE
AIR PROVE PSO
BLACK
WHITE
GREEN
GROUND GND
GREEN
WHITE
NEUT
RED
NEUT
WHITE
NEUT
DIRECT SENSE
BLACK
OR RED IGNITER
ELECTRICAL CONNECTION DIAGRAM
THERMOSTAT
BACKFLASH
SWITCH
MOTOR
HEAT
L1
OFF
VENT
SOLENOID
GROUND
NEUTRAL
ELECTRICAL LADDER DIAGRAM
IF ANY OF THE ORIGINAL WIRES AS SUPPLIED WITH THE HEATER MUST BE REPLACED, IT MUST BE
REPLACED WITH WIRING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 302°F (150°C)
21
BACKFLASH
SWITCH
RED RED RED
SOLENOID
GREEN/YELLOW
BLUE
BLACK IF APPLICABLE
MOTOR
GREEN GREEN
BURNER
CASE
GROUND
GROUND
WHITE
GREEN
HEAT
WHITE
BLACK
OFF
WHITE
VENT
WHITE
BLACK
THERMOSTAT
DIRECT SPARK
IGNITION CONTROL
MV VALVE
PSI AIRPROVE
IND MOTOR
L1 120V
PS0 AIRPROVE
AIR PROVING
SWITCH
GND GROUND
BURNER
NEUT GROUND
NEUT
NEUT
WITHOUT HEAT/OFF/VENT SELECTOR SWITCH OR THERMOSTAT
CASE
GROUND
WHITE
DIRECT
SENSE
IGNITER
150-28772
WITH THERMOSTAT ONLY