Question about Heating & Cooling
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Posted on Jan 02, 2017
If the unit has an outdoor thermostat, this turns the aux. heat on very cold days. It may need to be replaced, or removed completely, if its kicking over to soon before it gets that cold. If its set to turn on the electric at 30 degrees, then its working the right way. Also, look for different temp. setting on the board you lust installed, there should be some sort of adjustment options on it. Especially if there is no thermostat outside.
Posted on Mar 05, 2008
Heat pumps have saftey circuits that prevent liquid flooding of the compressor. Inadequate airflow across the evaporator in cooling can trip this circuit. Have your package unit serviced with particular attention to cleaning the evaporator coil and be sure your filters are clean and changed frequently in the summer months. Hope this helps GL!
Posted on Jun 08, 2008
This is njormally an issue with oversizing but this should have manifested itself the 1st time you used it, unless you have relocated the unit. If you have reinstalled it in its original location and if you have cleaned the coils as required, then you have a low freon issue that only a professional should resolve.
Tip: If the ice is building up in 1 small area and not evenly across the complete evaporator coil, then you definitely are low on freon.
Posted on Jun 11, 2008
SOURCE: Wall Hung A/C unit remote
I just got onto a technician who solved the problem for me. What he had me do was:-
That didn't fix it so...
Hope that helps.
Garry Rogers (ausgaz)
Posted on Jan 04, 2009
The unit is designed to run the indoor fanmotors continuously when in cooling mode on both indoor units (evaporators). The reason is that this circulates the air and the temperature thermistor or sensor is able to sense return air temperature and in turn start or stop the outdoor unit and compressor as required according to the setpoint temperature. The reason for either unit not reaching setpoint temperature can be a couple of reasons. A) Incorrect design - the unit may be too small for the application. You can calculate this roughly at 650BTU per square meter of room in a relatively warm ambient climate. Or secondly B) The outdoor unit has leaked and is short of refrigerant. You can check this when the outdoor unit is running by feeling the thicker copper tube on the right hand side of the unit. This should be cool to cold. If no temperature difference is felt, it is short of refrigerant. Hope this helps you. Goodbye
Posted on Mar 20, 2009
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