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If it's an auto, there are 2 ports on the lines. One high, one low. Just get a can of r12 & plug into the little valves. Some come with a guage.
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Ac unit shuts off but the fan keeps running?
Low pressure switch shutting the unit on and off. Possibly low on freon.
Can you overfill freon in an AC unit?
yes
Why does your ac go on and off by itself?
Either the thermostat is not set correctly or is ultra sensitive; or the unit is low on freon.
Is 4 pounds of freon a lot in a top up of an ac unit does it indicate a large leak?
It does if it is in just one year.
How do you find freon leak in home ac unit?
You can find a Freon leak in a home Ac unit by using a leak detector. These instruments are capable of detecting trace amounts of Freon and pinpoint leaks.
If your ac unit comes on and off about every 90 seconds does that mean its low on freon?
That would be my guess. Take it to a professional.
How many pounds of freon should your ac unit have?
16
What type of freon in a tempstar ac unit?
How old is the tempstar.
Should you turn off an AC unit that has no freon?
Any AC, house or car has a pressure switch in the system so that if there is not enough freon in it, the compressor will not come on. The fan will run, but that is all. It is just circulating the air. Nothing will be damaged in the system running it without freon.
Will freon leak when ac is off?
Yes.
Could you re use freon from ac unit?
Yes. It can be recycled and reused.
How much does it cost to have freon put in home ac unit?
4 pounds
