10
G. 120VAC SOLENOID SHUT-OFF GAS VALVES
The gas solenoid shut-off valves may be pre-plumbed onto the pipetrain. The pipetrain may also be pre-wired for
convenience, but the electrical wiring from the burner must be connected in the field.
Figure 5
Figure 6
Figures 5 and 6 show one type of solenoid valve that is used in the gas trains. When installing solenoid valves into a gas
train, the valves must be connected in the proper orientation. The arrow on the valve body depicts the direction of gas
flow. Do not install the valves in a backward orientation.
Refer to the wiring diagram in Figure 11 of this manual for proper wiring of solenoid valves.
H. PRESSURE REGULATOR ADJUSTMENT
The gas pressure regulator is NOT factory preset, and must be field-adjusted while the burner is in operation. Refer to
Figure 3 for pressure requirements.
When adjusting the regulator outlet pressure to set input capacity per the tables in Figure 3, remove the regulator cap for
access to the slotted adjustment screw. Turning the screw counter clockwise reduces manifold pressure, clockwise
increases the pressure.
NOTE: MANIFOLD PRESSURE ADJUSTMENTS CAN ONLY BE MADE WITH THE BURNER RUNNING AND THE
GAS ON.
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