Electrical Connection & Ladder Diagram
- Therma Grow 120 Standard
TO AVOID ERRORS & HEATER MALFUNCTION. CHECK FOR PROPER OPERATION AFTER SERVICING.
GREEN
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 302ºF (150ºC)
nk you for your order!
4" x 6" with .375" corners
black graphics
CAUTION REFER TO THE HEATER'S ELECTRICAL CONNECTION DIAGRAM WHEN SERVICING
WARNING: THIS HEATER MAY START AT ANY TIME
TO VENT
MOTOR
ELECTRICAL CONNECTION DIAGRAM
ELECTRICAL LADDER DIAGRAM
Therma Grow™ Greenhouse Heaters
YELLOW
BLUE
GREEN
RED
GREEN
C
BROWN
MV
C
MV
L.B. WHITE
Owner's Manual • Therma Grow™
Company
BLACK
IND
BLACK
L1
RED
HSI
RED
HSIG
WHITE
L2
YELLOW
W
BLUE
PSI
PURPLE
FSI
BROWN
GV
BLUE
PSO
GREEN
FSG
GREEN
C
BROWN
IND
L1
HSI
HSIG
L2
W
PSI
FSI
GV
PSO
FSG
C
29
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