Maintenance; Troubleshooting - Desa RCP80 Owner's Manual

Desa owner's operation and installation manual propane construction heater tc80,rcp80
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MAINTENANCE

TROUBLE-
SHOOTING
10
Never attempt to service heater while it is connected to
propane supply, operating, or hot. Severe burns can occur.
1. Keep heater clean.
2. Inspect heater before each use. Check connections for leaks. Apply mixture of
liquid soap and water to connections. Bubbles forming show a leak that must be
corrected. Correct all leaks at once.
3. Inspect hose/regulator assembly before each use. If hose is highly worn or cut,
replace.
4. Have heater inspected yearly by service person.
Never attempt to service heater while it is connected to
propane supply, operating, or hot. Severe burns can occur.
SYMPTOM
POSSIBLE CAUSE
Pilot fails
1. Propane supply valve closed
to light
on propane tank(s)
2. Excess flow check valve
closed
3. Air in gas line
4. Blockage in pilot orifice
5. Piezo ignition system not
sparking
Pilot lights
1. Not enough warm up time
but goes
out when
2. Low gas pressure
automatic
control valve
3. Thermocouple loose or
button
needs to be replaced
is released
4. Automatic control valve
needs to be replaced
Burn rate
1. Main burner valve not fully
is low
open
2. Plugged gas orifice
3. Low gas pressure
4. Low fuel supply
WARNING
WARNING
REMEDY
1. Open propane supply valve
slowly.
2. Close propane supply valve on
propane tank and reopen slowly.
3. Allow several minutes to purge
air with automatic control
valve button depressed.
4. Replace pilot orifice.
5. Adjust ignitor electrode gap to
.120". Check wire lead for
damage. Replace piezo ignitor
and/or ignitor electrode as
necessary.
1. Relight, hold automatic control
valve button in 45 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 valve handle
towards HIGH position until it
stops.
2. Replace gas orifice.
3. Check gas supply; check
regulator output.
4. Consult propane gas supplier.
099684

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