Desa FLAME-MAX UNVENTED (VENT-FREE) PROPANE/LPGAS LOG HEATER - 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