Desa Unvented Propane Gas Log Heater Model Split Oak and American Oak Design Connections

Models: Unvented Propane Gas Log Heater Model Split Oak and American Oak Design

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CHECKING GAS

SPLIT OAK AND AMERICAN OAK DESIGN 18", 24" AND 30" MODELS

INSTALLATION

Continued

CHECKING GAS

CONNECTIONS

Test Pressures Equal To or Less Than 1/2 PSIG WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once.

Pressure Testing gas Supply Piping systemWARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water

Test Pressures Equal To or Less Than 1/2 PSIG

1.Close manual shutoff valve (see Fig- ure 16).

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

3.Check all joints from propane supply tank to manual shutoff valve (see Fig- ure 16). Apply mixture of liquid soap and water to gas joints. Bubbles form- ing show a leak.

4.Correct all leaks at once.

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 thermostat gas valve (thermo- stat-controlled models) or control valve (manually-controlled models) (see Fig- ure 16). Apply mixture of liquid soap and water to gas joints. Bubbles form- ing show a leak.

5.Correct all leaks at once.

6.Light heater (see Operating Heater, pages 14 through 16). Check all other internal joints for leaks.

to all joints. Bubbles forming show a leak. Correct all leaks at once.

Test Pressures In Excess Of 1/2 CAUTION: Make sure exter- nal regulator has been installed between propane supply and heater. See guidelines under Con- necting to Gas Supply, page 10.

Pressure Testing gas Supply Piping system

Test Pressures In Excess Of 1/2

PSIG

1.Disconnect heater and its individual manual shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage heater 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 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.Re-connect heater and manual shutoff valve to gas supply. Check re-con- nected fittings for leaks.

Pressure Testing Heater Gas

7. Turn off heater (see To Turn Off Gas to

Connections

Appliance, page 15 [thermostat-

1. Open manual shutoff valve (see Fig-

controlled models] or page 16 [manu-

ure 16).

ally-controlled models]).

Open

Manual

Shutoff

Valve

Closed

Figure 16 - Manual Shutoff Valve

 

Thermostat Gas Valve or

Manual Shutoff

Control Valve Location

 

Valve

 

Propane

 

Supply Tank

 

Figure 17 - Checking Gas Joints

Continued

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Desa Unvented Propane Gas Log Heater Model Split Oak and American Oak Design Checking Gas Connections, Installation