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59D1015 21
CHECKING GAS PRESSURE
The heater gas inlet connection is a
3
/8" NPT at the valve. On all
control type units, the inlet connection is on the right side of unit.
To connect from the opposite side, route the pipe around the back
portion of the unit.
When tightening up the joint to the valve, hold the valve securely
to prevent movement.
NPT Test Plug
MANUAL CONTROL
(Figure 16)
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.
Remove
1
/8" NPT plug, located on side of regulator
body. Install fitting and tubing to pressure gauge. After
taking pressure reading, reinstall test plug. Check for
gas leaks.
MILLI-VOLT CONTROL
(Figure 17)
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.
Figure 16 - Pressure Test Point Location
Manual Control
Figure 17 - Pressure Test Point Location
Milli-Volt Control
Test all gas joints from the gas meter to the heater valve for leaks using a gas analyzer or soap and water solution after
completing connection. DO NOT USE AN OPEN FLAME.
Check the gas pressure with the appliance burning and the control set to HIGH.
Co nne cti ng di re ctl y to an
unregulated propane/LPG tank
can cause an explosion.
WARNING
Test Port “OUT”