Desa Tech CGD3924PT, CGD3930PT Installing, Con nued, Manual Shutoff Valve, Checking Gas Joints

INSTALLING

Con_nued.

3.Pressurize supply piping system by either using compressed air of 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.Reconnect heater and manual shutoff valve to gas supply. Check reconnected fittings for leaks.

Test Pressures Equal To or Less Than 1/2 PSIG

1.Close manual shutoff valve (seeFigure 15).

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 16). 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 15).

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 16). 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 20 through 22 [manually-controlled

models] or pages 22 through 24 [thermostatically-controlled models]). Check all other internal joints for leaks.

7.Turn offheater (see To Turn OffGas to Appliance, page 21 [manually-con-

trolled models] or page 24 [thermostatically-controlled models]).

Shutoff

Valve

				sed
	Figure 15 - Manual Shutoff Valve
			Manual	Thermostat Gas Valve or
	• "_		Shutoff
				Control Valve	Location
	,//
	....		Valve		/
Propane	,,_
	///,
Supply Ta__. __	"/	/
	•	//		i i i , i i i i _ i _	i
	:_._ --

To;..-=

_ ,L_, ,ff*_.._.... -,-_,..._.._,

Figure 16. Checking Gas Joints