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Hello, if he outdoor unit is doing this than it could be a pressure switch that is turning it on and off or a short in the tstat wiring. If the unit has a dirty condenser or low on refrigerant charge it can trip the pressure switch.
Can't tell from the model number because it is incomplete. But if you will look on the outside unit there is a placard that states the information about the unit. It is located below the electrical compartment. If will tell the type of refrigerant the condensing unit came charged with and how much.
Hope this helps.
WELL THE TECH SHOULD HAVE A LEAK DECTOR AND CHECK THE COIL AND LINE SET FOR LEAKS THE REFRIGERANT IS LEAKING SOMEWHERE THAT DOES'N HAPPEN IF NO LEAK. A LEAK CAN CAUSE ALOT OF OTHER PROBLEMS
I think you mean compressor. It is basically the heart of the A/C unit. It compresses and pumps refrigerant through the unit. It compresses it so the outdoor unit will be able to remove heat from the refrigerant.
Not a DIY project. You'll need refrigerant recovery equipment, vacuum pump, manometer, refrigerant scall, refrigerant disposal bottles, high pressure nitrogen tanks and regulators, acetelyn tanks with regulators and torch tips not to mention EPA license. Call a reputable service company. In South Central PA, fair price range is $1,500 - 2,000. If the unit is more than 10 years ole, replace the condenser (if they can get one for your refrigerant) for about $1000 more.
You will need a refrigerant recovery machine, and an EPA certification to recover refrigerant. You will need an oxy-acetylene brazing set-up as well as a nitrogen tank and regulator set-up. You will need a set of refrigerant guages (make sure to get guages for the r-22 you will be removing and another set for the new r-410a going into the heat pump), a digital micron guage and a vacuum pump.
You may want a digital multimeter and control and power wiring supplies. You will probably need additional refrigerant also.
It may not be a good DIY project.
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