Questions & Answers for: operating pressure 134a systems

Operating pressures for 134A refrigerant system What are the normal high side and low side pressures for an average domestic refrigerator using R 134A refrigerant that is working as it should? I would

...operating pressure on a refrigerator low side and high side a ball park Maximum efficiency is achieved when there is the greatest difference between high side and low side provided the low side stays ...

...pressure switch) you can add a pound of charge with those small cans of same type freon no problem but when there is a leak and the charge has been lost or changing freon types you must pull a vaccum ...

...pressure drops slightly, but not to normal operating range. When the few times it works, 134a pressure drops to normal range. check ac and let car get hot(not overheated) and with guages on high side ...

...operating until there is sufficient pressure to operate the AC compressor without damaging it. Start the engine and turn on the AC, then charge the system with the R-134a and as soon as there is ...

...compressor clicks on and off constant this usually means you are low on 134A and possibly have a leak in the system eventually the compressor will not operate due to no pressure at all in the ...

pressurized than the compressor will not operate. by having the Gage you are going to know exactly the pressure of the system.Make sure you get the kit with the 134a and sealer in one can recharge kit

pressure safety valve may be keeping the system from operating. However, rather than simply adding some freon to your system, it makes more sense to borrow a set of A/C pressure gauges and hook one up

...pressure is low you may want to add freon.  know your a/c system r-12 or r-134a,iv'e found converting to r-134a cheaper than purchasing r-12. r-134a takes a special pag oil and should not be ...

134a refrigerant can be put in a a/c system that calls for r12? no --it cannot. R12 gas operates at a far lower pressure that r134a so if you want to use r134a gas you will have to replace compressor