Philips IC Integrated Circuit 74HC4067D

06/14/2020

Compressor air conditioners transfer heat from the enclosed space to the outside, or bring heat from the outside into the enclosed space. No heat is generated during the process, but only heat transfer.

Compressor air conditioners transfer heat from the enclosed space to the outside, or bring heat from the outside into the enclosed space. No heat is generated during the process, but only heat transfer. The compressor air conditioner on an electric veh器2䀀
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07/23/2020

The influence of capillary tube length on refrigeration system parameters and troubleshooting

The capillary tube generally refers to a slender copper tube with an inner diameter of 0.4~2.0mm. As the throttling mechanism of the refrigeration system, the capillary tube is the simplest one. Because of its low price and flexible selection, it is widely used in small refrigeration devices.

07/16/2020

Compressor overheating

The compressor is overheated, causing it to stop shortly after start-up (protector action). Please check whether it is:; Insufficient or excessive refrigerant, please fill the leak and evacuate, add enough refrigerant or release excess refrigerant. The capillary assembly (including the filter) is clogged and the suction temperature rises. Please replace the capillary assembly.

06/14/2020

Note! Seven mistakes in the maintenance of refrigeration equipment

Many refrigeration maintenance masters, seeing the internal leakage of the refrigerator, will directly add the condenser net without pressure, and it will not leak again for a long time. It turns out that it is the evaporator of the refrigerator compartme器2䀀
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03/11/2021

Common faults

The motor of servo driver is unstable, and the speed is fast and slow. The main reasons for this kind of fault are as follows: 1.The servo driver parameters are not adjusted properly, and the regulator does not reach the best working state.

06/29/2020

How the compressor works

06/14/2020

York screw and centrifugal compressor overhaul case and on-site repair and maintenance

York screw and centrifugal compressor overhaul case and on-site repair and maintenance York screw and centrifugal compressor overhaul cases and on-site repairs and maintenance. York screw compressor units are widely used in the chemical industry. Compres器2䀀
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08/03/2020

Can the central air conditioner be installed after the renovation It's still a reliable teacher and solved it immediately

Although the decoration steps are just those, I always feel that there is no problem as long as the construction is carried out according to the steps, but there are always some annoying things in the middle.

08/05/2020

The purpose, method and choice of cold storage system defrosting

The purpose, method and choice of cold storage system defrosting

08/07/2020

How to vent the industrial chiller of the refrigerant refrigeration system

1. When using an air separator to discharge air, place the return valve of the air separator in a normally open state to reduce the pressure of the air separator to the suction pressure, and other valves should be closed.