Vanguard B) Owner's Operation And Installation Manual page 20

DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP)
FIREPLACE
INSTALLATION
Continued
Test Pressures Equal To or Less Than 1/2
PSIG (3.5 kPa)
1. Close manual shutoff valve (see Fig-
ure 38).
2. Pressurize supply piping system by ei-
ther 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 sup-
ply tank or gas meter to manual shutoff
valve (see Figure 39 for propane/LP or
Figure 40 for natural). Apply commer-
cial leak test solution to all gas joints.
Bubbles forming show a leak. Correct
all leaks at once.
Pressure Testing Fireplace Gas
Connections
1. Open manual shutoff valve (see Fig-
ure 38).
2. Open propane/LP supply tank valve for
propane/LP fireplace or main gas valve
located on or near gas meter for natu-
ral gas fireplace.
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 39 for propane/LP or Figure 40 for
natural). Apply commercial leak test so-
lution to all gas joints. Bubbles forming
show a leak. Correct all leaks at once.
5. Light fireplace (see Operating Fire-
place, pages 25 and 26 ). Check all
other internal joints for leaks.
6. Turn off fireplace (see To Turn Off Gas
to Appliance, page 25).
®
Manual
Shutoff
Valve
Figure 38 - Manual Shutoff Valve
Propane/LP Supply
Tank
Manual
Shutoff Valve
Figure 39 - Checking Gas Joints for Propane/LP Gas Fireplace
Manual
Shutoff Valve
Gas Meter
Figure 40 - Checking Gas Joints for Natural Gas Fireplace
20
Open
ON
POSITION
OFF
Closed
POSITION
Gas Valve
Gas Valve
105539