L.B. White Therma Grow HW120 Manuel De L'utilisateur page 14

3. Operate both stages of heat.
GREEN
GROUND
24V
TRANSFORMER
YELLOW
120V
BROWN
HIGH LIMIT SWITCH
MANUAL SHUT-OFF VALVE, HOSE
& REGULATOR ASSEMBLY
1. Always use approved pipe thread compound suitable
for use with L.P. gas or natural gas on the threaded
connections.
2. Assemble the components together according to the
figure. This view is to show general assembly of the
components only. The regulator must always be
mounted so its vent, regardless of location on the
regulator, is always pointed downward.
3. Tighten all connections securely and check for gas
leaks.
14
FIRST STAGE HEAT CONTACT
SECOND STAGE HEAT CONTACT
IND
L1
HSI
HSIG
L2
IGNITION CONTROL
W
PSI
FSI BROWN
LO
GV
PSO
C
FSG
GAS CONTROL VALVE
C
BROWN
GROUND
HI
FIG. 9
SECOND STAGE
REGULATOR