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Quotation for three PSA-RP125GA indoor units

PSA-RP125GA Fixed Speed Heat Pump

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Re: quotation for three PSA-RP125GA indoor units - Air Conditioners

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Posted on Mar 23, 2008

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Is the heat pump cooling itself down? It is a combination heat pump/air conditioner wall unit.

If a unit is in heating mode the outdoor unit is in cooling mode (outside always does opposite of indoor) after a while if there is a build up of ice on outdoor coil unit stops and puts hot gas through outdoor coil to clear it. The indoor fan stops to avoid and heat loss in area served buy unit once this has been done and indoor unit coil is hot again fan will start. This is the correct operation of the unit to save against bust could and reduced efficiency

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R22= 70-80psig
Depending on many variables such as blower speed, coils clean, indoor/outdoor temps.

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Hi,My remote do not get the good temp in my house. Ex: I set to 80F in heat mode but the thermopump operate slowly and dosn't get hire than 70-72F. The remote see the unit and all. Is the sensor in th

You have a heat pump.
Once the outdoor temperature falls below 36 degrees, heat pumps will sharply lose their ability to heat.
If you are getting a 72 degree indoor temperature when the outdoor temperature is 28-30 degrees, the heat pump is performing up to spec.
On heat pumps, the air coming out of the nearest air vent to the unit should be heated approximately 40 degrees warmer than the air entering the unit.
If you have a 70 degree indoor air temperature, the heat pump should be supplying 110 degree air at the closest air vent to the indoor unit.
Gas heat is a much better heating source where outside temperatures are commonly below 36 degrees.
Even electric furnaces perform better than heat pumps under these conditions.

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My indoor lg mini split unit the cool light flashes 4 time what's wrong

Indoor unit faults = CH04 or C4
Fascia LED's
- RED = None
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Contents = Drain Pump / Float Switch
Case of Error = Float Switch Open Circuit (High Level Water Alarm)
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clean your condensate drain line you can do this with a shop vac,
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I have carrier heat pump nothing is running indoor or outdoor unit

check that you have power to indoor unit 120volts if yes check fuse on control board of indoor unit check control board for 24 volt the indoor unit controls the outdoor unit

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M/n 38brb060300 carrier

Hi, to tell if your unit is a heat-pump or not, if the indoor unit is not gas fired, it is a split system heat pump. If it uses gas or propane gas, its a split system gas/elect unit. Look at your thermostat also. It should have aux heat, emergency heat on it also. Maybe not both, but you will know if you have a heat pump. Please don't forget to rate me. Please be kind, as I know you will. Just remember, no gas, its a heat pump, gas fired furnace indoors, its not a heat pump.
A/C, Heating, & Refrigeration Contractor.

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Indoor fan slow to rotate in heat mode and no heat/compressor

The indoor fan will not run at normal fan speed untill the indoor coil reaches 32oC. This is done so that a cold draught is not felt when outdoor unit is not running. Check to make sure the outdoor unit is operating. If the outdoor fan is running but there is no indoor fan after 5 mins then you must likely have a gas issue or a fault compressor circuit.

May 31, 2010 | Fujitsu 24R1 Air Conditioner

1 Answer

System will not start up.

This is a signal fault between the indoor and outdoor first make sure the dip switches are set start with the unit closest to the condensor set as unit 1 then next unit as 2 and so on the dip switches are inside the indoor unit on the pc board if you check the manual it will tell you which swithes to set, if this wasnt done when the units where installed they would have never worked i would also check the signal wiring between the wallmount and the splitter box / bc box and make sure there isnt a loose connection when you have ruled this out id say more than likely it is a faulty indoor board on the wallmounted unt

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1 Answer

Ge ptac

Hello Tom ,   I'm sure i can help you with this.... I work on these units everyday. unfortuneately im not there to put my hands on it but i will explain as clearly as possible.    The most common problem I tend to find with these units is that the control board  and indoor fan motor tends to go bad in these quite often.  If you put the unit in A/C MODE  and/or Fan mode and set it to high if it will not speed up from low , then your problem could be in a couple different places.   1st.  The bearings in the fan motor could be wearing down ,  2nd  The Control board could be bad  in that its not telling the fan motor to speed up.     


And when you tell me that the compressor doesnt run in that mode at any given time..... which the electric heat and heat pump itself works together so that when the load is really tough  that the heat pump doesnt over work and in general saves life on your compressor.      


Solution is this.


Take your indoor fan motor off and and drill out the rivits  and it pulls apart easy, and replace the bearings and grease them.


ALIGNMENT OF THE FAN IS A MUST.   doesnt cost much at all the fix this. Just a little time and bearings


Replace the Board in the control box



This my friend will definetly solve your problem.    These problems i see everyday with these same units.   

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