![background image](http://html.mh-extra.com/html/desa/vsgf28ntb/vsgf28ntb_owners-operating-and-installation-manual_2486131019.webp)
19
103415
INSTALLING
Continued
Test Pressures Equal To or Less Than 1/2 PSIG
1. Close manual shutoff valve (see Figure 21).
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 22). 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 21).
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 22). 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 and 23 [Thermostat-controlled models] or
pages 24 and 25 [Manually-controlled models]). Check all other internal joints for leaks.
7. Turn off fireplace (see To Turn Off Gas to Appliance, page 23 [Thermostat-controlled
models] or page 25 [Manually-controlled models]).
Figure 21 - Manual Shutoff Valve
ON
POSITION
OFF
POSITION
Open
Closed
Manual
Shutoff
Valve
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
,,,,,,,,,,
QQQQQQQQQQ
QQQQQQQQQQ
QQQQQQQQQQ
QQQQQQQQQQ
QQQQQQQQQQ
QQQQQQQQQQ
QQQQQQQQQQ
QQQQQQQQQQ
QQQQQQQQQQ
QQQQQQQQQQ
QQQQQQQQQQ
¢¢¢¢¢¢¢¢¢¢
¢¢¢¢¢¢¢¢¢¢
¢¢¢¢¢¢¢¢¢¢
¢¢¢¢¢¢¢¢¢¢
¢¢¢¢¢¢¢¢¢¢
¢¢¢¢¢¢¢¢¢¢
¢¢¢¢¢¢¢¢¢¢
¢¢¢¢¢¢¢¢¢¢
¢¢¢¢¢¢¢¢¢¢
¢¢¢¢¢¢¢¢¢¢
¢¢¢¢¢¢¢¢¢¢
Manual Shutoff Valve
Figure 22 - Checking Gas Joints
Manual Gas Valve
Propane
Supply Tank
Continued