Installing, Continued – Desa FLAME-MAX UNVENTED (VENT-FREE) PROPANE/LPGAS LOG HEATER User Manual

Page 19

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103310

ON

POSITION

OFF

POSITION

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 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

15). 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 22 through 24). Check all other

internal joints for leaks.

7. Turn off heater (see To Turn Off Gas to Appliance, page 24).

INSTALLING

Continued

Figure 15 - Manual Shutoff Valve

Open

Closed

Manual
Shutoff
Valve

Figure 16 - Checking Gas Joints

Control Valve Location

Propane
Supply Tank

Manual
Shutoff
Valve

Continued

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