First, the reason why the high temperature and low temperature test chamber compressor suction temperature is higher than the evaporation temperature and treatment?
Answer: (1) Insufficient refrigerant in the high and low temperature test chamber refrigeration system; supplement refrigerant.
(2) Insufficient refrigerant in the evaporator; open large throttle valve and increase liquid supply.
(3) The insulation system of the refrigeration system is not well insulated; check and repair.
(4) The water content in the refrigerant exceeds the standard; check the water content of the refrigerant.
(5) The opening of the throttle valve is small, the liquid supply is small; the throttle valve is opened, and the liquid supply is increased.
Second, the reason why the suction pressure of the high and low temperature test chamber compressor is too low and the treatment method?
Answer: (1) The liquid supply throttle valve or the suction filter is blocked (dirty block or ice block); disassemble and clean.
(2) Insufficient refrigerant in the system; supplement refrigerant.
(3) Insufficient refrigerant in the evaporator; open large throttle valve and increase liquid supply.
(4) There are too many refrigeration oils in the system and in the evaporator; find out the oil accumulation in the system and discharge the oil.
(5) The heat load is small; the compressor level is adjusted and the unloading is performed appropriately.
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