L.B. White I-40 Infraconic Spark Ignition - Manual (Page 22)

Electrical Connection and Ladder Diagram
21
GROUND
SOLENOID
ON/OFF
SWITCH
IGNITER
GROUND
HIGH VOLTAGE IGNITER LEAD
GROUND
GROUND
GAS
CONTROL
VALVE
ELECTRICAL CONNECTION DIAGRAM
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)
150-26200
BLACK
N2
N3
GND
L1
MV
NOTE: POWER CORD IS
CONNECTED TO THERMOSTAT
OR BUILDING ENVIRONMENTAL
CONTROL SYSTEM
RED
RED
L1
NEUTRAL
MV
L1
GND
N3
N2
WHITE GREEN
SPARK
IGNITION
CONTROL
ON/OFF SWITCH
POWER
CORD
WHITE
RED
GREEN
BLACK
RED
IGNITER
SPARK
IGNITION
CONTROL
CAUTION: REFER TO THE HEATER'S ELECTRICAL CONNECTION
DIAGRAM WHEN SERVICING TO AVOID WIRING ERRORS AND HEATER
MALFUNCTION. CHECK FOR PROPER OPERATION AFTER SERVICING.
BLACK
WARNING: THIS HEATER MAY START AT ANY TIME