Hunter has a Dometic Penguin 13.5K BTU Heat Pump Ac model, not the Armstrong or the Coleman units that Airstream used on some models before moving to the Dometic Penguin lineup.
David T
On May 8, 2012, at 10:34 AM, Steve Pfiffner wrote:
> I think Hunter might have the same OEM unit my '89 came with, the Coleman
> Mach III and those buttons definitely go bad.
>
> On Tue, May 8, 2012 at 10:28 AM, Peter Ryner <pryner@verizon.net> wrote:
>
>> **
>>
>>
>> Hunter,
>> Is this an original Armstrong unit? If so, the thermostat does not control
>> the fan at all. It only turns the compressor on and off. The compressor
>> has two capacitors that run it, start and run. If the compressor is
>> running
>> the capacitors are fine. The fan is controlled by a switch on the interior
>> of the camper, normally on the side of the A/C. Mine had a toggle switch
>> but looking at some of the posts, yours may be controlled by push buttons.
>> Unless you have rain coming into the trailer, it is doubtful that anything
>> shorted out from the rain that would control the fan. If the compressor
>> isn't running correctly then you could have a problem with the
>> capacitor(s)
>> or wiring in the capacitor box which is on the front side of the outside
>> unit.
>>
>> There is no reason to get on top of the trailer to spin the fan by hand.
>> The motor runs the exterior fan as well as the interior one. There is one
>> long shaft that goes through the motor to each fan. To see if it turns by
>> hand just remove the interior filter and try to move the interior fan. If
>> it is stuck or has a lot of resistance then look for a mechanical problem
>> such as something stuck on the fan on the exterior side. If it moves fine
>> then I would suspect an electrical problem, especially if it worked fine
>> before the rain. The unit will run fine even without the exterior shroud
>> on
>> it and rain will not affect the exterior system, unless the wires inside
>> the
>> capacitor box got wet.
>>
>> Even if it is not an original Armstrong unit there are very few, if any RV
>> A/C systems that have the fan controlled by the thermostat. I've only seen
>> some of the newest ones that work like a house unit where the fan is
>> turned
>> off when the compressor is shut down. Most have a separate circuit for the
>> fan which operates either all of the time or not, and they normally have
>> different speeds to select. You should be able to run the fan by itself.
>> If it isn't working the A/C will operate but no air will flow in the
>> trailer.
>> Pete
>>
>>
>>
>
>
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