Monessen Hearth PARLOR VENT-FREE PL20 User Manual
Page 14
14
90D0093
Parlor Vent Free Fireplace
FIREPLACE INSTALLATION
When tightening the joint to the valve, hold the valve securely to prevent movement.
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.
Open control access door at bottom front of unit to find valve and regulator referred to
below.
W
ARNING
Do not use open flame to check for gas
leaks.
W
ARNING
Connecting directly to an unregulated
propane/LP tank can cause an
explosion.
CHECk GAS PRESSURE
MILLIVOLT CONTROL
Figure 14
The valve regulator controls the burner pressure which should be checked at the pressure
test point.
Turn captured screw counter clockwise two or three turns and then place tubing to pres-
sure gauge over test point. (Use test point “A” closest to gas inlet). After taking pressure
reading, be sure and turn captured screw clockwise firmly to reseal. Do not over torque.
Check for gas leaks.
FP2511
millivolt test point
Test Port
'A'
FP511
Figure 14 -
Pressure Test Point Location - Millivolt Valve