CHECKING

4.

Check all joints of gas supply piping system. Apply mixture of liquid soap and

GAS

 

water to gas joints. Bubbles forming show a leak.

5.

Correct all leaks at once.

CONNECTIONS

Test Pressures Equal To or Less Than 1/2 PSIG

Continued

1.

Close manual shutoff valve (see Figure 13).

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 14). 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 13).

 

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 14).

 

 

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 16 through 18). Check the rest of the

 

 

internal joints for leaks.

 

7.

Turn off heater (see To Turn Off Gas to Appliance, page 18).

 

8.

Replace front panel.

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

Open

 

 

 

 

 

 

 

 

 

Manual

POSITION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Shutoff

 

 

Valve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POSITION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Closed

 

 

 

 

Figure 13 - Manual Shutoff Valve

 

 

 

 

 

 

 

 

Control Valve Location

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gas Meter

Manual

Shutoff

Valve

Figure 14 - Checking Gas Joints

15

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Desa CGN10L, CGN6L installation manual Checking, Pressure Testing Heater GAS Connections