Checking Gas Connections - Desa Comfort Glow LFP33PR Owner's Operation And Installation Manual

UNVENTED PROPANE/LP GAS FIREPLACE
INSTALLATION
Continued
CHECKING GAS
CONNECTIONS
WARNING: Test all gas pip-
ing and connections for leaks
after installing or servicing. Cor-
rect all leaks at once.
WARNING: Never use an open
flame to check for a leak. Apply a
mixture of liquid soap and water
to all joints. Bubbles forming
show a leak. Correct all leaks at
once.
Pressure Testing Gas Supply
Piping System
Test Pressures In Excess Of 1/2 PSIG
1. Disconnect fireplace and its individual
manual shutoff valve from gas supply
piping system. Pressures in excess of 1/2
psig will damage fireplace gas regulator.
2. Cap off open end of gas pipe where
manual shutoff valve was connected.
3. Pressurize supply piping system by ei-
ther using compressed air or opening
propane/LP supply tank valve.
4. Check all joints of gas supply piping
system. Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.
5. Correct all leaks at once.
6. Reconnect fireplace and manual shutoff
valve to gas supply. Check reconnected
fittings for leaks.
LFP33PR
Test Pressures Equal To or Less Than
1/2 PSIG
1. Close manual shutoff valve (see Fig-
ure 20).
2. Pressurize supply piping system by ei-
ther using compressed air or opening
propane/LP supply tank valve.
3. Check all joints from propane/LP sup-
ply to manual shutoff valve (see Fig-
ure 21). Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.
4. Correct all leaks at once.
Manual
Shutoff
Valve
Figure 20 - Manual Shutoff Valve
Manual Gas Valve
Figure 21 - Checking Gas Joints
12
Pressure Testing Fireplace Gas
Connections
1. Open manual shutoff valve (see Fig-
ure 20).
2. Open propane/LP supply tank valve.
3. Make sure control knob of fireplace is
in the OFF position.
4. Check all joints from manual shutoff
valve to thermostat gas valve (see Fig-
ure 21). Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.
5. Correct all leaks at once.
6. Light fireplace (see Operating Fire-
Open
ON
place, pages 16 and 17). Check all other
POSITION
internal joints for leaks.
7. Turn off fireplace (see To Turn Off Gas
to Appliance, page 17).
OFF
Closed
POSITION
Manual Shutoff Valve
Propane/LP
Supply Tank
104888