Desa TC100R Owner's Manual

Contents

Desa TC100R Owner's Manual Manual pdf 6 page image

6104129PROPANE CONSTRUCTION HEATERTC100RSYMPTOMPilot fails to light.Pilot lights but goesout when automatic controlvalve button is released.Burn rate is low; emitter notglowing.Soot forming inside heater,flame 100% yellow.POSSIBLE CAUSE1. Propane supply valve closed on propanetank(s).2. Excess-flow check valve closed.3. Air in gas line.4. Blockage in pilot orifice.5. Piezo ignition system not sparking.1. Not enough warm-up time.2. Low gas pressure.3. Thermocouple loose or needs to be replaced.4. Automatic control valve needs to be replaced.1. Main burner valve not fully open.2. Plugged gas orifices.3. Low gas pressure.4. Low fuel supply.1. Main burner valve not fully open.2. Low fuel supply.REMEDY1. Open propane supply valve slowly.2. Close propane supply valve on propane tank andreopen slowly.3. Allow several minutes to purge air with automaticcontrol valve button depressed.4. Replace pilot orifice.5. Adjust ignitor electrode gap to .120". Check wirelead for damage. Replace piezo ignitor and/orignitor electrode as necessary.1. Relight, hold automatic control valve button in45 seconds.2. Check propane tank(s) for proper gas supply.3. Tighten connection or replace thermocouple.4. Replace automatic control valve.1. Fully open main burner valve by turning the valvehandle towards ON position until it stops.2. Replace gas orifice.3. Check gas supply; check regulator output.4. Consult propane gas supplier.1. Adjust main burner valve slowly towards ONposition.2. Consult propane gas supplier.TROUBLESHOOTINGYou may have further questions about thisheater. If so, contact DESA International’s Tech-nical Service Department at 1-800-323-5190.WARNING: Never attempt to service heater while it is connectedto propane supply, operating, or hot. Severe burns can occur.