Operator`s manual
PUREHEAT™ HYDRONIC AIR HEATER OPERATOR’S MANUAL – SECTION 6
6- 2 © 2006 Ground Heaters, Inc. V. 2, Rev. 09/01/06
If problem is not resolved by performing the above steps, call your Ground Heaters Distributor for assistance.
Symptom Possible Cause Corrective Action Refer To
Improper switch position or
protective function action.
• Verify both
MAIN BREAKERS are ON.
• Verify both
GFIs are reset.
• Verify LOW LEVEL FAULT light is not
lit.
• Verify HTF level is between MIN and MAX
level.
• Verify LOW LEVEL SHUTDOWN DEVICE
is RESET.
Appendix
A-2
Section 2
Appendix
A-18
Burner motor will
not start
( . . .continued)
Burner Safety is tripped as
indicated by DIAGNOSTIC light
on burner control.
• Reset burner safety.
Appendix
A-10 or A-13
No fuel.
• Verify fuel supply is adequate.
• Verify both
fuel line Quick-Connects are
connected (oil burner).
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Section
4.2.1.1
Burner safety
trips (no flame).
Insufficient voltage for ignition.
• Have an electrician verify voltage at
control panel is 110 volts (min.) while
attempting
to start burner.
• Ensure power cords are at least 10
gauge wire and ≤ 100 ft (30.5 m) in
length.
• Verify power cords are supplied by
separate 20 amp 120 volts AC 60 Hz
electrical power circuits.
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Burner safety
trips
(flame occurs).
Control not sensing flame.
• Call your Ground Heaters
Distributor.
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Heat exchanger
blower will not
start.
• No electrical power.
• Thermostat or speed selector
setting incorrect.
• Verify 120 volts AC to heat exchanger.
• Set thermostat above room temperature.
• Set speed selector to desired fan speed.
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Brake not fully released.
• Fully release hose reel brake.
Section
2.6.3
Rewind motor is too cold
(rewind motor may not start if
below 0ºF [-18°C]).
• Warm rewind motor.
- - - - - - -
Hoses will not
rewind.
Faulty foot pedal.
• Call your Ground Heaters Distributor.
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