L.B. White Therma Grow HW120 Manuel Du Propriétaire page 32

32
Therma Grow™ Greenhouse Heaters
Electrical Connection & Ladder Diagram
- Therma Grow 220 Standard, 230 Volt
TO AVOID ERRORS & HEATER MALFUNCTION. CHECK FOR PROPER OPERATION AFTER SERVICING.
TO VENT
MOTOR
L1
L2
NEUTRAL
GROUND
IF ANY OF THE ORIGINAL WIRES AS SUPPLIED WITH THE HEATER MUST BE REPLACED, IT MUST BE
REPLACED WITH WIRIING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 302º F (150ºC)
Thank you for your order!
Owner's Manual • Therma Grow™
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
GROUND
WHITE
RED
MOTOR
4 2
8 6
1
0
RELAY
WHITE
GAS VALVE
SOLENOIDS
GREEN
C
MV
GROUND
ELECTRICAL CONNECTION DIAGRAM
MOTOR
FAN MOTOR
RELAY
THERMOSTAT
POWER
SUPPLY
120 V.
TRANS-
FORMER
WHITE
24 V.
BLACK
GREEN
HOT SURFACE
IGNITOR
AIR PROVING
FLAME SENSOR
SWITCH
HIGH LIMIT SWITCH
BROWN BROWN
GREEN
HOT SURFACE
TO VENT
MOTOR
AIR PROVING SWITCH
GAS VALVE
SOLENOIDS
C
MV
HIGH LIMIT SWITCH
ELECTRICAL LADDER DIAGRAM
L.B. White
Company
10/18/10
Date
150-27597
P/N
1-STAGE
THERMOSTAT
YELLOW
BLUE
GREEN
RED
GROUND
BLACK
IND
BLACK
L1
RED
HSI
RED
HSIG
WHITE
L2
YELLOW
W
BLUE
PSI
PURPLE
FSI
BROWN
GV
BLUE
PSO
GREEN
FSG
GREEN
C
GROUND
IND
L1
HSI
IGNITOR
HSIG
L2
W
PSI
FSI
FLAME SENSOR
GV
PSO
FSG
C
BURNER GROUND
150-27597
APPROVED
APPROVED
Revise, proce