Desa CGCF26TPA Checking GAS Connections, Pressure Testing Gas Supply Piping System

Models: CGCF26TPA

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OWNER’S MANUAL

INSTALLATION

Continued

CHECKING GAS

CONNECTIONS

WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once.

WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once.

CAUTION: Make sure external regulator has been installed be- tween propane/LP supply and fire- place. See guidelines under Con- necting to Gas Supply, page 11.

Pressure Testing Gas Supply Piping System

Test Pressures In Excess Of 1/2 PSIG

Test Pressures Equal To or Less Than 1/2 PSIG

1.Close manual shutoff valve (see Fig- ure 20).

2.Pressurize supply piping system by ei- ther using compressed air or opening propane/LP supply tank valve.

3.Check all joints from propane/LP sup- ply tank to manual shutoff valve (see Figure 21). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak.

4.Correct all leaks at once.

Manual

 

 

Shutoff

 

 

 

Open

Valve

 

 

 

Closed

Figure 20 - Manual Shutoff Valve

Pressure Testing Fireplace Gas Connections

1.Open manual shutoff valve (see Fig- ure 20).

2.Open propane/LP supply tank valve.

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

4.Check all joints from manual shutoff valve to thermostat gas valve (see Fig- ure 21). Apply mixture of liquid soap and water to gas joints. Bubbles form- ing show a leak.

5.Correct all leaks at once.

6.Light fireplace (see Operating Fire- place, pages 14 and 15). Check all other internal joints for leaks.

7.Turn off fireplace (see To Turn Off Gas to Appliance, page 15).

8.Replace front panel.

1.

Disconnect fireplace and its individual

 

manual shutoff valve from gas supply

 

piping system. Pressures in excess of

 

1/2 psig will damage fireplace regulator.

2.

Cap off open end of gas pipe where

 

manual shutoff valve was connected.

3.

Pressurize supply piping system by ei-

 

ther using compressed air or opening

 

propane/LP supply tank valve.

4.

Check all joints of gas supply piping

 

system. Apply mixture of liquid soap

 

and water to gas joints. Bubbles form-

 

ing show a leak.

5.

Correct all leaks at once.

6.

Reconnect heater and manual shutoff

 

valve to gas supply. Check reconnected

Propane/LP Supply Tank

Manual

Shutoff

Valve

fittings for leaks.

Figure 21 - Checking Gas Joints Shown with Optional Mantel

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Desa CGCF26TPA installation manual Checking GAS Connections, Pressure Testing Gas Supply Piping System