INSTALLING

Continued

18

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.

6.Re-connect heater and manual shutoff valve to gas supply. Check re-connected fittings for leaks.

Test Pressures Equal To or Less Than 1/2 PSIG

1.Close manual shutoff valve (see Figure 20).

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 20). 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 20).

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 21). 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 19 through 21). Check all other internal joints for leaks.

7.Turn off heater (see To Turn Off Gas to Appliance, page 21).

ON

 

POpenSITION

 

Manual

 

Shutoff

 

Valve

 

OFF

 

POSITION

 

Closed

 

Figure 20 - Manual Shutoff Valve

 

Manual

 

Shutoff

 

Valve

Control Valve Location

Propane

 

Supply Tank

 

Figure 21 - Checking Gas Joints

 

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Desa SCIVFG, SCIVFB, SCIVFR, SCIVFC installation manual Pressure Testing Heater Gas Connections, Manual Shutoff Valve