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How to change a compressor in a DPAC7820 - Danby Air Conditioners

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Do you have the tools?R-12 and R-22 freon needs special tools to fill it up.

need professional person and right equipments to do it.

Posted on Jul 06, 2008

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What do I do when I change A/C compressor on 2001 Ford Expedition Eddie Bauer


No, don't add any Freon before changing out compressor.

Unfortunately, due to the multiple places where leaks can occur, and the concern of releasing Freon into the atmosphere when opening up an air conditioning system, this work SHOULD be done by qualified personnel with appropriate tools. Auto air conditioning is NOT in the realm of "Do It Yourself" any longer.

It would be best if, after installing the new compressor, you took the vehicle to an auto center that services auto air conditioners. They can draw a vacuum into the system before filling the system with Freon. This will give you the best fill with Freon and will reduce and/or eliminate condensation in the system.

Also, if you're opening the system to air anyway, to change the compressor, you should consider changing the drier in the air conditioner line as well.

Jun 20, 2014 | Denso 1997 Ford Expedition A/C Compressor

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This compressor is in my aquarium water chiller. When I plug in the chiller, The compressor starts then goes off. a few seconds later it starts again then goes off. It continues to do this. I have changed...


The Freon is probably a bit low. When the compressor draws from the low side the extreme low pressure trips the low pressure switch, shutting down the compressor. With compressor off the pressure equalizes the low pressure switch opens and the compressor switches on. murf427

Aug 02, 2012 | Panasonic QA125K29CAU6 Refrig...

1 Answer

Portable ac unit, hose vents outside, when the wind picks up the compressor turns off for 10 min


I have to admit, this is the very first time I have seen heard of this compliant. So, I checked the Owner's Installation Manual for your model. Not a thing was mentioned about it. So, I going to direct you to Danby's Consumer Help line 1-800-263-2629. Perhaps now, they have some type of one way damper available for this sort of situation.

I hope this helped you in some way. Thanks for choosing FixYa.

Jul 21, 2011 | Danby DPAC7820 Air Conditioner

1 Answer

Need a product manual for Danby DPAC7820


The model number you listed, according to Danby "has been retired" (Discontinued). However, if you contact Consumer help line: 800-263-2629, they may can help you.

Jul 05, 2011 | Danby DPAC7820 Air Conditioner

1 Answer

THe unit has only changed the temp from 89f to 86f in a medium size room ???


The portable AC units have a limitation when it comes to cooling a larger area, Since the unit is meant mainly to be focussed to an area it cannot be compared to the split unit or the window unit where we have the heat exchange exitting into open air. In the indoor unit the heat exchange also happens inside the room contributing to the reduction of efficiency. i would like to advice you to keep the unit closer to the exit or window. try to reduce the area by a false curtain and see if the result is good. Also make sure your filter is clean and the water is drained off.
If this makes a diffference reduce the thermostat settings to allow it to shut off and start again to prevent blocking. The AC should work bettter. Good day

Jul 12, 2010 | Danby DPAC7820 7,800 BTU Portable Air...

1 Answer

Im changing out my compressor and have been advised to change out the ac capillery tube as well i just would like to know what it doesthanks for the time spent on this


The cap tube is the metering device which meters the amount of refrigerant allowed into the evaporator coil and thus, is one of the steps within the refrigeration process.

On system with a cap tube metering device, a common failure is the cap tube gets plugged, and the compressor in turn burns out. So it becomes common practice to change out the cap tube during a compressor change-out and also to add a low pressure switch to prevent the new compressor from a quick failure if there is another problem somewhere.


Don't forget to change the filter drier as well. Very important. Please leave feedback if this suits your needs for knowledge.

May 16, 2010 | Air Conditioners

2 Answers

Compressor is Down


It depends on how old your system is. A heat pump that is 7 years or older I would recommend replacing the system and not just the compressor. Yes the first company is right in saying that you have to install a higher S.E.E.R. system (assuming yours is less then a 13) that is an EPA law. You can replace just the compressor however, if the system is older then 7 years you will start to have other parts breakdown soon. It's less expensive to replace the compressor but in the long run it is more cost effective to replace the system for both future repair and operating cost reasons. Good luck and don't forget to give me a Fixya rating.

Mar 10, 2009 | Weather King 10PJA2501AH Air Conditioner

1 Answer

Continues running


There is probably a stuck fan relay on the circuit board. Have a technician take a look at it to confirm this and then replace it.

Jul 08, 2008 | Danby DPAC7820 Air Conditioner

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