Usually direction is changed by pulling one of the chains, or there will be a small black switch where/near chains enter in to housing area.
SOURCE: Problem with GE Zoneline 5200 model
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!
SOURCE: Ruud heating/ac unit blowing only cold air in heating mode
Do you have gas or electric heat. If you have gas then you do not have a heat pump. You should in most cases have a red,yellow, white, and green wires coming to the thermostat. R should go to rc/rh G should go to green Y should go to Y and w should go to W. Also the switches on back should be switched to non heat pump and gas rather than electric. Hope this helps.
SOURCE: fan coil unit won't cool or heat in room1 while room2 runs well
could be undercharged, or overcharged, or wires weren't put back on valves in unit.
SOURCE: ac fan not turning on I can ''stick start it'' but which direction?
The condensor fan should be sucking air from the top and blowing it through the coils, probably a counter clockwise direction. The buzzing/humming sound is confusing to me. A humming sound sounds like a motor that can not turn over to start. A starting capacity would be needed. Just because you changed it out last year does not mean it is good. A buzzing sound sounds like a contactor problem. Contactors buzz and after a while, they will fail. In any case, you can "stick start" the condensor fan PROVIDED you are sure the ac compressor is working (this is for a short and temporary use). Also, you may have a high load duty capacitor that assists in the unit running. This will affect your condensor fan operation if it is not good. Unless you know all the components and operations of ac electrical, I would highly recommend calling out a professional.
SOURCE: fan freezes up with ice in winter
They need air, do not cover it when in use.
If ti cools fine in summer then you just have a defrost problem.
Make sure the outdoor coil is clean.
If the coils are clean, then you have a bad defrost control.
In heat mode the unit should go into a timed or temp controlled defrost. If it is frosting up to the point of stopping the fan, in heat mode only, and otherwise operates properly, then its a bad defrost control.
It is reccomended that the defrost temp sensor be replaced at the same time the defrost control board is replaced. Some temp sensors are part of the board and not a seperate component, but not most.
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