Kinda - the cycling switch protects against too low pressure and then, lack of oil circulation. The High Pressure switch in the back of the compressor protects against too high pressure which may burst hoses or other stuff.
AC compressor pressure switch, single pin?
- Thread starter Joe B
- Start date
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High Pressure Cutoff Switch: Normally closed, opens at 410-450 psi to interrupt voltage to compressor coil.
Pressure Cycling Switch: Main function to control refrigeration cycle and provide freeze protection on low , suction side.
What I said, is exactly this, ^.
I added the " also " for clarity.
Where does the FSM discus oil during operation, except part replacement, or initial service?
Pressure Cycling Switch: Main function to control refrigeration cycle and provide freeze protection on low , suction side.
What I said, is exactly this, ^.
I added the " also " for clarity.
Where does the FSM discus oil during operation, except part replacement, or initial service?
FSM may not but common sense does. If you have a leak and lose all the refrigerant, you'll run the compressor without any lubrication. The Low Pressure cycling switch will eliminate that possibility.
Can u attach a link to this kit, I’m trying to find it. Thanks.
I have a question, so my 93 has the switch in the back on its compressor and has the max button. I pulled another compressor off a parts truck to replace it as I think it’s weak, however that truck also has the recirc button but the compressor has no switch or place or slug in the back to replace it, so what do I do? Will it work if I just plug it up and don’t plug back in the switch?
If the system is wired correctly no, it won't work.
So what are my options? do I just need to get a new compressor and install a new switch?
That's what I'd do
kenh
I see nothing I hear nothing
MY opinion is to always buy a new or reman compressor. NEVER buy a compressor that someone took off and has been laying around. The oil used in these systems loves water so it absorbs water from the air, corrodes the internals, then spreads all that corrosion and resulting compressor failure debris through out the whole system. That cleanup makes a new compressor a cheap investment.
Ken
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