L.B. White 220 Plus Therma Grow - Manual (Page 14)

3. Operate both stages of heat.
MANUAL SHUT-OFF VALVE, HOSE
& REGULATOR ASSEMBLY
REGULATOR
NIPPLE
VALVE, MANUAL
SHUT-OFF
GAS HOSE
ADAPTER
SEDIMENT TRAP TO CONTROL
VALVE INLET
REGULATOR VENT
GAS FLO
W
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.
FIG. 9
SECOND STAGE
REGULATOR
13
GAS CONTROL VALVE
IGNITION CONTROL
IND
L1
HSI
HSIG
L2
W
PSI
FSI
GV
PSO
FSG
C
YELLOW
GREEN
GROUND
BLACK WHITE
FIRST STAGE HEAT CONTACT
SECOND STAGE HEAT CONTACT
YELLOW
BROWN
BROWN
BROWN
RED
LO
GROUND
HI
C
GREEN
HIGH LIMIT SWITCH
TRANSFORMER
24V
120V