Desa (V)T32N series Owner's Operation And Installation Manual page 22

PRESSURE TESTING GAS SUPPLY
PIPING SYSTEM
Test Pressures In Excess Of 1/2 PSIG
(3.5 kPa)
1. Disconnect fireplace and its individual
equipment shutoff valve from gas supply
piping system. Pressures in excess of 1/2
psig (3.5 kPa) will damage fireplace gas
regulator.
2. Cap off open end of gas pipe where equip-
ment shutoff valve was connected.
3. Pressurize supply piping system by either
opening propane/LP supply tank valve
for propane/LP gas fireplace or opening
main gas valve located on or near gas
meter for natural gas fireplace, or using
compressed air.
4. Check all joints of gas supply piping sys-
tem. Apply noncorrosive leak detection
fluid to all joints. Bubbles forming show a
leak. Correct all leaks at once.
5. Reconnect fireplace and equipment
shutoff valve to gas supply. Check recon-
nected fittings for leaks.
Test Pressures Equal To or Less Than
1/2 PSIG (3.5 kPa)
1. Close equipment shutoff valve (see Fig-
ure 33).
2. Pressurize supply piping system by either
opening propane/LP supply tank valve
for propane/LP gas fireplace or opening
main gas valve located on or near gas
meter for natural gas fireplace, or using
compressed air.
3. Check all joints from propane/LP supply
tank or gas meter to equipment shutoff
valve (see Figure 34 or 35). Apply non-
corrosive leak detection fluid to all joints.
Bubbles forming show a leak. Correct all
leaks at once.
Equipment
Shutoff Valve
Figure 33 - Equipment Shutoff Valve
22
FIREPLACE INSTALLATION
Continued
Open
Closed
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Equipment
Shutoff Valve
Propane/LP
Supply Tank
Figure 34 - Checking Gas Joints for
Propane/LP Gas Fireplace
Equipment Shutoff Valve
Gas
Meter
Figure 35 - Checking Gas Joints for
Natural Gas Fireplace
PRESSURE TESTING FIREPLACE GAS
CONNECTIONS
1. Open equipment shutoff valve (see Fig-
ure 33).
2. Open main gas valve located on or near
gas meter for natural gas or open supply
tank valve for propane/LP gas.
3. Make sure control knob of fireplace is in
the OFF position.
4. Check all joints from equipment shutoff
valve to thermostat gas valve (see Figure
34 or 35). Apply noncorrosive leak detec-
tion fluid to all joints. Bubbles forming
show a leak. Correct all leaks at once.
5. Light fireplace (see Operation, page 27).
Check all other internal joints for leaks.
6. Turn off fireplace (see To Turn Off Gas to
Appliance, page 27).
Gas Valve
Gas Valve
111986-01F