The compressor must be heated before being pounded with a rubber mallet. In order to recover as much refrigerant as feasible during passive recovery if the compressor is not operating, we must have access to both the high and low sides of the system.
The technician should run the compressor and recover from the high side of the system when employing a system-dependent recovery system on a device with an active compressor. The evaporator's pressure and temperature are reduced as a result of the metering device's control of high-pressure liquid refrigerant. As a general rule, it is flashed into the evaporator as 75% liquid and 25% vapor. A as well as B. It may be important to achieve the desired recovery efficiency, and it can accelerate the rate of recovery.
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