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Basement A/C Control
#4

I thought there was one additional function of the control board beyond just starting and stopping motors as described. On my basement ACs, when the thermostat calls for cooling the evaporator fan immediately tons on followed 3 minutes later by the compressor and the condenser fan. I had understood, perhaps wrongly, that the delay was necessary to prevent a compressor problem due to trying to start the compressor against a high outlet pressure that is caused by possible liquid refrigerant trapped between the compressor and evaporator if the compressor is started too soon after stopping. Otherwise there would be no need for control boards in single thermostat single compressor systems, and yet everyone of those I own, rv or house, has this time delay. What am I missing?

Jon Kabbe
1993 coach 337 with Civic towed
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Messages In This Thread
Basement A/C Control - by Trainer - 09-01-2018, 07:07 AM
RE: Basement A/C Control - by Guy - 09-01-2018, 08:46 AM
RE: Basement A/C Control - by Richard - 09-01-2018, 01:52 PM
RE: Basement A/C Control - by 77newell - 09-01-2018, 07:53 PM
RE: Basement A/C Control - by Richard - 09-02-2018, 07:18 AM
RE: Basement A/C Control - by The Soft Boulders - 09-05-2018, 02:33 PM
RE: Basement A/C Control - by Richard - 09-05-2018, 05:35 PM
RE: Basement A/C Control - by The Soft Boulders - 09-05-2018, 07:21 PM
RE: Basement A/C Control - by folivier - 09-06-2018, 05:06 AM
RE: Basement A/C Control - by Richard - 09-06-2018, 08:46 AM
RE: Basement A/C Control - by Richard - 09-06-2018, 01:02 PM

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