Desa Tech CGD3924P - Manual (Page 18)

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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
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 model]). Check all
other internal joints for leaks.
7. Turn off heater (see To Turn Off Gas to Appliance, page 21 [manually-con-
trolled models]) or page 24 [thermostatically-controlled model].).
INSTALLING
Continued
Figure 15 - Manual Shutoff Valve
Open
Closed
Manual
Shutoff
Valve
Figure 16 - Checking Gas Joints
Manual
Shutoff
Valve
Propane
Supply Tank
Thermostat Gas Valve or
Control Valve Location