Desa Variable Manually-Controlled Models Owner's Operation And Installation Manual page 19

INSTALLING
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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 and 23 [Thermostat-con-
trolled 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]).
Manual
Shutoff
Valve
Figure 19 - Manual Shutoff Valve
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Manual Gas Valve
Figure 20 - Checking Gas Joints
Open ON
POSITION
OFF
POSITION
Closed
Manual Shutoff Valve
Gas Meter
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