Checking Gas Connections - Desa Vanguard VMH10TPA Owner's Operation And Installation Manual

VENT-FREE PROPANE/LP GAS COMPACT 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.
CAUTION: Make sure external
regulator has been installed be-
tween propane/LP supply and fire-
place. See guidelines under Con-
necting To Gas Supply , page 14.
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 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.
VMH10TPA
®
Test Pressures Equal To or Less Than
1/2 PSIG
1. Close manual shutoff valve (see Fig-
ure 26).
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 tank to manual shutoff valve (see
Figure 27). Apply mixture of liquid
soap and water to gas joints. Bubbles
forming show a leak.
4. Correct all leaks at once.
Manual
Shutoff
Valve
Figure 26 - Manual Shutoff Valve
Propane/LP
Supply Tank
Figure 27 - Checking Gas Joints Shown with Optional Mantel
Pressure Testing Fireplace Gas
Connections
1.
2.
3.
4.
5.
6.
Open
ON
POSITI
7. Turn off fireplace (see To Turn Off Gas
8.
O
Closed
POS
Manual
Shutoff
Valve
16
Open manual shutoff valve (see Figure
26).
Open propane/LP supply tank valve.
Make sure control knob of fireplace is
in the OFF position.
Check all joints from manual shutoff
valve to thermostat gas valve (see Fig-
ure 27). Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.
Correct all leaks at once.
Light fireplace (see Operating Fire-
place, pages 17 and 18). Check all other
internal joints for leaks.
to Appliance, page 18).
Replace front panel.
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