Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: RUUD Central Air/Heat Pump
Start with the simplest first it,s not fun but it's necessary EVERY TIME. Clean your evaporator and condenser coil, change your air filter. Getting to the evap. coil is often a real headache and a result doesn't get done often. When its clogged as you probably know the refrigerant can't absorb heat at the coil so it tries to absorb heat on the way to the compressor freezing the hot gas line the safety circuits that protect the heat pump compressor from getting liquid refrigerant back to the compressor almost immediately will take the compressor of line (looking somewhat like a defrost cycle). I hope this helps it's a tough repair GL!
Posted on Jun 08, 2008
Don't attempt to bypass defrost mode. If it's cold enough to use as a heat pump, it's cold enough to need the defrost cycle.
It sounds like a sensor issue, although it may be the controller board.
Unless you know how to work on equipment like this, I urge you to get a professional to service the unit for you.
Posted on Jan 22, 2009
SOURCE: Goodman Heat Pump freezing up
In your climate usually the defrost timer would be on 90. However if you are in an upper elevation and it gets colder then set it at 60. what model unit do you have? Did they change both indoor and outdoor units? I would have to know the model # to tell if the fan should run in defrost. In most cases I would say no.
Posted on Jan 23, 2009
Unfortunately, the wiring diagrams for heat pumps are not so easy to come up with. The outdoor unit will have its own diagram, but may not include the indoor air handler and will probably not include the thermostat. That said, the orange wire is commonly run from the thermostat to the reversing valve in the outdoor unit. This wire is usually not connected to the indoor airhandler. The orange wire is usually used in a unit that has the reversing valve energized in cool. Ruud, however has its reversing valve energized in heat. Probably not useful but maybe helpful
Posted on Mar 26, 2009
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