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Therma Grow ™ 120 and 22
Wiring the Air Inlet and Exhast Fan
IND L1 HSI HSIG L2 W PSI FSI GV PSO FSG C
EXISTING
WIRING
FROM
CONTROL
BLACK
JUNCTION
BOX
RED
BROWN
BLACK
WHITE
GREEN
BLACK
WHITE
GREEN
GROUND
GROUND
WHITE
WHITE (TO
VENTILATION
MOTORS)
KITS - 8 1/2 IN. BLACK WIRE
WIRE FROM IGNITION
CONTROL WITH
TERMINAL REMOVED
AIR INLET AIR PROVING SWITCH
HEATER AIR PROVING SWITCH
LEAD "B"
MOTOR
BLACK
THREE WAY
TERMINAL
LEAD "A"
BUTT
SPLICE
NEUTRAL
NEUTRAL
115 V
AC
115 V
AC
EXHAUST
F
AN
CONNECTIONS
AIR INLET
SHUTTER MOT
OR
CONNECTIONS
Contact your local L.B. White dealer for replacement parts
and service. You may also call the L.B. White Co., LLC at
U.S. & Canada: 1-800-345-7200, Overseas: 001-608-783-5691
assistance, or email us at [email protected].
Be sure that you have your heater model number and
configuration number when calling.
Service
WORLD PROVIDER - INNOVATIVE
HEATING SOLUTIONS
411 Mason Street, Onalaska, WI 54650
800-345-7200 • 608-783-5691
608-783-6115 (fax)
www.lbwhite.com
150-28705 REV.B