When pumping down an air conditioning system to test the low pressure cutout switch, you should_ .A．stop the compressorB．secure the condenserC．close the “king valve”D．stop the circulating pump
When pumping down an air conditioning system to test the low pressure cutout switch, you should_ .
A、stop the compressor
B、secure the condenser
C、close the “king valve”
D、stop the circulating pump
发布时间：2026-02-08 00:08:16
