![background image](http://html1.mh-extra.com/html/desa/unvented-vent-free-natural-gas-fireplace/unvented-vent-free-natural-gas-fireplace_owners-operating-and-installation-manual_2486410019.webp)
19
101968
INSTALLING
Continued
Test Pressures Equal To or Less Than 1/2 PSIG
1. Close manual shutoff valve (see Figure 19).
2. Pressurize supply piping system by either using compressed air or opening main
gas valve located on or near gas meter.
3. Check all joints from gas meter to manual shutoff valve (see Figure 20). Apply
mixture of liquid soap and water to gas joints. Bubbles forming show a leak.
4. Correct all leaks at once.
Pressure Testing Fireplace Gas Connections
1. Open manual shutoff valve (see Figure 19).
2. Open main gas valve located on or near gas meter.
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 Figure
20). Apply mixture of liquid soap and water to gas joints. Bubbles forming
show a leak.
5. Correct all leaks at once.
6. Light fireplace (see Operating Fireplace, pages 22 through 24). Check all other
internal joints for leaks.
7. Turn off fireplace (see To Turn Off Gas to Appliance, page 24).
Figure 19 - Manual Shutoff Valve
ON
POSITION
OFF
POSITION
Open
Closed
Manual
Shutoff
Valve
,,,,
,,,,
,,,,
,,,,
,,,,
QQQQ
QQQQ
QQQQ
QQQQ
QQQQ
¢¢¢¢
¢¢¢¢
¢¢¢¢
¢¢¢¢
¢¢¢¢
Manual Shutoff Valve
Figure 20 - Checking Gas Joints
Manual Gas Valve
Gas Meter
Continued
Summary of Contents for UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE
Page 38: ...38 101968 NOTES...
Page 39: ...39 101968 NOTES...