Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: 98 Chev pickup air cond problem
1. Have the refridgerant fluid level checked. (Could be low)
2. Have you tried putting it on recirculate? Could be a venting issue.
Other than that it's out of my league.
Posted on Jul 08, 2008
OK, now we need to let the comopressor cool down if it is hot. Once it is cool, (that could take a while if it is so hot it tripped out on internal overload.) check for continuity between the compressor leads. If they show continuity between them hook the wires back up and turn it on, Check the amp draw at start up, and check the voltage to the compressor.
The compressor is bad If....
1) there is no continuity between the compressor leads.
2) if you have an amp draw but the compressor is still not pumping refridgerant.
If you do niot have voltage going to the compressor, then we will need to trace down the cuase for loss of power.
Posted on Oct 17, 2009
SOURCE: We have a Grundfos MQ3-45B
Hi and welcome to FixYa. I am Kelly
Drain the pressure tank completely. The tank is designed to have a pressurized pocket of air at the top of the tank that would allow the tank to act as an accumulator when pressurized. If the tank does not have that air bubble the pump will cycle quickly and lose pressure almost as soon as you put any demand on the pump. After you drain the tank, just reinstall the drain plug and test. It should work normally. If it does not work normally then there is an unknown water distribution leak in your plumbing.. You can eliminate house plumbing by truning off the water supply after the pump and then see if the pump still cycles. If it does then pressure is leaking back into your water source. There should be a check valve to prevent the pump from pressurizing your water supply. If the check valve has failed or some internal debris not allowing the check valve to close you will have the symptom you describe.
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Posted on Sep 29, 2010
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