More and more users are becoming familiar with how to purchase a high-performance high and low temperature alternating heat and humidity test chamber. However, the small partners around the author often ask, what is the abnormal situation of the high and low temperature alternating heat and humidity test chamber? In terms of the author's experience, most of the problems encountered by users can be solved by themselves. This time, I will share with you the troubleshooting and treatment of common faults in high and low temperature alternating heat and humidity test chambers.
(1) The refrigeration compressor unit has large fuel consumption or large compressed oil content, and the cooling dose is too much. The correct position should be observed when the refrigeration compressor unit is loaded. At this time, the oil level should be no more than half; the return line is blocked; the return line is installed. Does not meet the requirements; the exhaust pressure is too low when the refrigeration unit is running; the oil separation core is broken; the internal separator of the separation cylinder is damaged; the refrigeration unit has oil leakage; the coolant is degraded or overdue.
(2) High and low temperature alternating heat and humidity test chamber The refrigeration compressor unit has high exhaust gas temperature, the cooling unit coolant liquid level is too low; the oil cooler is dirty; the oil filter core is blocked; the temperature control valve is faulty; the oil cut solenoid valve is not powered. Or the coil is damaged; the diaphragm of the oil-disconnecting solenoid valve is broken or aged; the fan motor is faulty; the cooling fan is damaged; the exhaust duct is not smooth or the exhausting resistance is large; the ambient temperature is outside the specified range; the temperature sensor is faulty; the pressure gauge is faulty.
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