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						  Cleaning and maintenance of air conditioning terminal equipmentCleaning and maintenance of air conditioning terminal equipment:
 The terminal equipment mainly includes fan coil, air cabinet, combined air processor and so on.READ MOREdate:2023-12-22
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						  The difference between variable frequency air conditioning and ordinary air conditioningThe difference between variable frequency air conditioning and ordinary air conditioning
 
 The so-called "variable frequency air conditioning" is a concept generREAD MOREdate:2023-12-20
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						  Central air conditioning maintenance programCentral air conditioning maintenance program:
 a, outdoor host condenser cleaning, each set once a year.
 b, the main engine refrigerant pipeline and check valve lREAD MOREdate:2023-12-14
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						  Working principle of central air conditioning:Working principle of central air conditioning:
 The central air conditioning system is mainly composed of: refrigeration compressor system, refrigerant (freezingREAD MOREdate:2023-12-13
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						  Fan coil cleaningFan coil cleaning:
 1. Start the fan coil and check whether the solenoid valve is opened.
 2. Close the inlet and outlet gate valve and remove the metal hose connREAD MOREdate:2023-12-11
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						  Central air conditioning system commissioning steps referenceCentral air conditioning system commissioning steps reference
 
 According to the characteristics of the central air conditioning system, the debugging of the cenREAD MOREdate:2023-11-30
