3.Pressurize supply piping system by either using compressed air or opening propane supply tank valve.

4.Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

5.Correct all leaks at once.

Test Pressures Equal To or Less Than 1/2 PSIG

1.Close manual shutoff valve (see Figure 12).

2.Pressurize supply piping system by either using compressed air or opening propane supply tank valve.

3.Check all joints from propane supply tank to manual shutoff valve (see Figure 13). 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 12).

2. Open propane supply tank valve.

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 13). 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 13 thru 15). Check the rest of the internal joints for leaks.

7. Turn off heater (see TO TURN OFF GAS TO APPLIANCE, page 15).

8. Replace front panel.

Manual

Shutoff

Valve

Open

12

Closed

Figure 12 - Manual Shutoff Valve

Control Valve Location

Propane

Supply Tank

Manual

Shutoff

Valve

Figure 13- Checking Gas Joints

Page 12
Image 12
Desa VGP30 installation manual Pressure Testing Heater GAS Connections, Manual Shutoff Valve