Product Manual

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F-1500T TROUBLESHOOTING ANALYSIS
PROBLEM POSSIBLE CAUSES REMEDY
Heater will not light Air switch improperly set - use centre adjusting screw to set air switch.
Turn clockwise to increase sensitivity, turn
counter clockwise to decrease sensitivity.
Blockage in copper inlet
tubes
- disconnect tubes from air switch. Use high
pressure air to clean any debris that may
block airflow.
Rear of heater blocked - ensure rear of heater is unobstructed and
proper rear clearances are maintained (see
approval label)