The author sorted out some difficult questions about the constant humid heat test box customers to answer, today we ask the core of the question is "Constant humid heat test box compressor maintenance", I hope to be helpful to everyone.
1. Q: What does the pressure mean before separation?
A: The pressure before separation is the pressure of the oil and gas mixture after the main machine is compressed.
2. Q: The exhaust pressure of our unit has continued to rise during the recent operation of the constant damp heat test chamber. The 0.75 machine has reached 0.8-0.9 MPa but it can also be loaded or unloaded. What happened after that? After adjusting the pressure switch. It's normal again and again.
Answer: From the analysis of the appearance of the constant damp heat test box, the pressure switch setting value of the compressor drifts. By adjusting, the drift under vibration is a problem with the locking of the pressure switch. Replace the device can be solved.
3. Q: Please elaborate on the effect of the cold coal on the high side, the low side, and the cooling capacity.
A: The amount of refrigerant is not enough, so that the evaporating pressure of the constant humidity test chamber cannot reach the specified pressure. The machine operation is interrupted, the surface of the compressor is frosted, and the pressure dew point cannot reach the desired temperature. The amount of refrigerant exceeding the specified value increases the compressor load.
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