Refrigerant migration deals with refrigerant migrating back to the compressor’s crankcase during ... Listed below is a system check for an oil-logged evaporator. The system is a low-temperature R-134a ...

The compressor is designed to suck hot low- pressure refrigerant vapor coming from ... the leftover R-12 and non-compatible oil, adding the R-134a-compatible oil to its 7 ounce capacity, and ...

CAR's Jason Hauboldt discuss key insights on refrigerant machines, oil compatibility, and why checking OEM service and repair ...

This low-temperature refrigeration system has a thermostatic expansion valve (TEV) metering device, receiver, forced-air condenser, forced-air evaporator, and R-134a ... a compressor's valves may ...

Reduces electricity use by more than a quarter The researchers removed the R134a refrigerant and its compressor oil from a household fridge. They used a new refrigerant, R600a, and dosed it with ...