Common faults and maintenance methods of compressor

Reason 1: The compressor is in high-pressure operation state for a long time (high pressure is generally less than 2.5Mpa), which leads to high-pressure operation state.

A. Small water pump

B. Filter plug

C. Small diameter water pipe

D. there are many elbows

C. Blockage of fluorine system

D. the opening of the expansion valve is very small

H. the water temperature is set too high.

I the water tank sensor is faulty or not inserted correctly.

J. Casing replacement scaling

Reason 2: The unit is in a high exhaust state for a long time. Specific reasons:

Answer: Fluorine-deficient operation

B. Small water flow

C. the opening of the expansion valve is very small.

D. Semi-blockage of fluorine system

E. Exhaust sensor failure (high exhaust, damaged sensor, unable to spray liquid)

F. Liquid spraying valve failure (liquid spraying valve body or coil failure)

Reason 3: electronic control failure, specific reasons:

A AC contactor is out of phase (AC contactor itself is faulty or loose)

B. Loose compressor pipeline or wrong connection

C. exhaust sensor failure

D the pressure switch is not replaced in time after short connection.

Reason 4: System failure. Specific reasons:

Too much fluorine impurities will cause the compressor to get stuck.

B. Poor vacuum

C. inaccurate fluorination