OPERATION

Continued

!WARNING

Be sure motor and fan are running before pushing in automatic control valve button. Flames could flash outside heater if motor and fan are not running.

5.Push in and hold automatic control valve button (see Figure 5). Push piezo ignitor button (see Figure 5). You may need to push piezo ignitor button 3-8 times until the burner lights. When burner lights, keep automatic control valve button pushed in for 30 seconds.

Note: If heater fails to ignite, hose may have air in it. If so, keep automatic control valve button pressed and wait 20 seconds. Release automatic control valve button and wait 20 seconds for unburned fuel to exit heater. Repeat step 5.

Piezo Ignitor

Button

Automatic Control

Valve Button

Figure 5 - Automatic Control Valve Button and Piezo Ignitor Button

Notice: If heater is unplugged or power outage occurs while heater is running, the thermal limit device will stop fuel flow. A few seconds occur before the thermal limit device activates. During this short time, flames may appear outside the heater. This is normal. The flames will go out when thermal limit device activates.

To Stop Heater

1.Tightly close propane supply valve on propane tank(s).

2.Wait a few seconds. Heater will burn gas left in supply hose.

3.Unplug heater.

To Restart Heater

1.Wait five minutes after stopping heater.

2.Repeat steps under To Start Heater, page 6.

To Change Propane Tank(s)

Change propane tank(s) in a flame-free area. Use only propane gas, I3P.

1.Tightly close the propane supply valve(s) on the propane tank(s).

2.Disconnect the hose/regulator assembly from the propane tank(s).

3.Connect the hose/regulator assembly to the new propane tank(s). Tighten firmly.

4.Check all connections for leaks.

!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.

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Desa BLP35ES owner manual To Stop Heater, To Restart Heater, To Change Propane Tanks