1. The selection of the diameter of the copper pipe should be in accordance with the pipe diameter of the compressor suction and exhaust valve. When the condenser is separated from the compressor by more than 3 meters, the pipe diameter should be increased.
2. The suction surface of the condenser and the wall are kept at a distance of more than 400mm, and the air outlet and the obstacle are kept at a distance of more than 3 meters.
3. The diameter of the inlet and outlet of the liquid storage tank shall be based on the exhaust and discharge diameters indicated on the unit sample.
4. The compressor suction line and the air cooler return line shall not be smaller than the size indicated in the sample to reduce the internal resistance of the evaporation line.