Copeland Compressor 4RK2-1500-FSM-801

06/14/2020

[Maintenance case] BMW 520Li compressor clutch failure

[Maintenance case] BMW 520Li compressor clutch failure Model: F18. Driving mileage: 3000km. Fault phenomenon: The user reports that the vehicle's air conditioning system is faulty. Sometimes, the cooling effect of the air conditioner suddenly fails器2䀀
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08/14/2020

What should I do if the refrigerator trips and leaks

Leakage of the moisture-proof wire of the freezer The leakage of the moisture-proof wire of the freezer is mainly manifested by the frequent on and off of the overload protection relay that is turned on after the power is turned on

08/12/2020

Four steps in the use of parallel compressors in cold storage

The use of parallel compressors focuses on four issues, as follows: 　　①Keep the oil level 　　② Countermeasures for liquid flood back 　　③Protection device and accessory parts device 　　④Confirmation of piping stress

08/12/2020

How to prevent the refrigeration compressor from reversing

Reverse rotation is strictly prohibited after the refrigeration compressor is stopped. When the compressor rotor is stationary, there is still a large volume of process gas remaining in the pipeline and has a certain pressure

07/07/2022

Proportional Solenoid Valve - How They Work

A proportional control valve is a valve used to control fluid flow rate by varying the size of the flow passage via a restrictor.

06/29/2020

Several causes of compressor burning

07/07/2020

Why defrost cold storage What are the ways to defrost

Why defrost cold storage What are the ways to defrost I. Overview: 　　 The frost on the surface of the evaporator in the cold storage hinders the conduction and distribution of the cooling capacity of the refrigeration evaporator (pipe), which ultimately affects the cooling effect.

07/18/2020

Exhaust gas of refrigeration compressor is overheated. Are these reasons caused

Compressor: It is a complex machine running at high speed. Ensuring adequate lubrication of moving parts such as compressor crankshafts, bearings, connecting rods, pistons, etc. is the basic requirement for maintaining the normal operation of the machine. For this reason, compressor manufacturers require the use of specified grades of lubricating oil, and require regular inspection of the lubricating oil level and color

08/11/2020

7 tips for identifying the quality of central air conditioners, absolutely practical!

1. Appearance comparison<br></br> 　　 Everyone shouldn't be surprised. "Take a machine by appearance" is very practical under certain circumstances. First of all, the surface of the electroplated parts should be smooth and flat, without scratches, peeling, and bottoming.

06/14/2020

Top 10 common faults in maintenance and debugging of refrigeration systems

What is the effect of pressure and temperature on the refrigeration system Refrigeration system performance testing involves many aspects, of which pressure and temperature are two points that cannot be bypassed. Today we will take a look at the pressure器2䀀
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