Desa UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER installation manual Installing, Continued

Models: UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER

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Test Pressures Equal To or Less Than 1/2 PSIG

INSTALLING

Continued

Test Pressures Equal To or Less Than 1/2 PSIG

1.Close manual shutoff valve (see Figure 14).

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 15). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

4.Correct all leaks at once.

Pressure Testing Heater Gas Connections

1.Open manual shutoff valve (see Figure 14).

2.Open main gas valve located on or near gas meter.

3.Make sure control knob of heater is in the OFF position.

4.Check all joints from manual shutoff valve to control valve (see Figure 15). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Light heater (see Operating Heater, pages 22 through 24). Check all other internal joints for leaks.

7.Turn off heater (see To Turn Off Gas to Appliance, page 24).

Open

Manual Pressure Testing Heater Gas Connections

Shutoff

Valve

Closed

Figure 14 - Manual Shutoff Valve

Manual

 

Shutoff

Control Valve Location

Valve

 

Gas Meter

 

Figure 15 - Checking Gas Joints

Continued

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Desa UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER Installing, Continued, Test Pressures Equal To or Less Than 1/2 PSIG