L.B. White 170 Tradesman Portable Forced Air - Manual (Page 24)

24
Electrical Connection and Ladder Diagrams
WHITE
BLACK
CASE
GROUND
MOTOR
SOLENOID
GND GROUND
MV VALVE
SOLENOID
BURNER
GROUND
DIRECT
SENSE
IGNITER
GROUND
DIRECT SPARK
IGNITION CONTROL
THERMOSTAT
VALVE MV
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)
DIRECT SPARK
IGNITION CONTROL
NEUTRAL
POWER CORD
BLACK
OR RED
RED
BLACK
GREEN
GREEN
120 VAC L1
GROUND GND
NEUT
NEUT
GREEN
WHITE
L1 120V
NEUT
NEUT
L1
BLACK
150-28310
LIMIT
SWITCH
LIMIT
SWITCH
MOTOR
BURNER
GROUND
GREEN
BLACK
CASE
GROUND
WHITE
GREEN
ELECTRICAL CONNECTION DIAGRAM
WHITE
CAUTION - REFER TO THE HEATER'S ELECTRICAL CONNECTION DIAGRAM WHEN SERVICING
TO AVOID WIRING ERRORS & HEATER MALFUNCTION. CHECK FOR PROPER OPERATION AFTER SERVICING.
WHITE
WHITE
DIRECT SENSE
IGNITER
LIMIT
SWITCH
THERMOSTAT
LIMIT
SWITCH
WARNING: THIS HEATER MAY START AT ANY TIME
RED RED
TRADESMAN 170 ULTRA TRADESMAN 170