Checking Gas Pressure - Prime Heat PH18 Installation And Operating Instructions Manual

CHECKING GAS PRESSURE

Connecting directly to an
unregulated propane/LPG tank
can cause an explosion.
Test all gas joints from the gas meter to the heater valve for leaks using a gas analyzer or soap and water solution after com-
pleting connection. DO NOT USE AN OPEN FLAME.
Check the gas pressure with the appliance burning and the control set to HIGH.
MANUAL CONTROL (Figure 14)
The pressure regulator is preset and locked to dis-
courage tampering. If the pressure is not as specified,
replace the regulator with the correct part from the
parts list in this manual.
1
Remove / " NPT plug, located on side of regulator
8
body. Install fitting and tubing to pressure gauge. After
taking pressure reading, reinstall test plug. Check for
gas leaks.
MILLIVOLT CONTROL (Figure 15)
The valve regulator controls the burner pressure which
should be checked at the pressure test point.
Turn captured screw counter clockwise two or thre
turns and then place tubing to pressure gauge over test
point (Use test point "OUT" closest to control knob).
After taking pressure reading, be sure and turn captured
screw clockwise firmly to re-seal. Do not over torque.
Check for gas leaks.
18
The heater gas inlet connection is a
have the inlet connection on the right side, when you face the unit.
To connect from the opposite side, route the pipe under the rear
portion of the unit.
When tightening up the joint to the valve, hold the valve securely
to prevent movement.
NPT Test Plug
Figure 14 - Pressure Test Point Location
Manual Control
Figure 15 - Pressure Test Point Location
Millivolt Control
3
/ " NPT at the valve. All units
8
Test Port "OUT"
65D2035