Danfoss Compressor SZ380A4VR

06/14/2020

Prerequisites and principles for adjustment of several operations in the refrigeration system of cold storage

Prerequisites and principles for adjustment of several operations in the refrigeration system of cold storage

08/14/2020

How to deal with the cold storage without defrosting

What should I do if the cold storage does not defrost? How to deal with this problem? The following will explain why the cold storage does not defrost and the solution.

06/14/2020

Haikou exploded, the central air conditioner was back

Haikou exploded, the central air conditioner was back, was it wrong Since 2020, the safety of the use of central air conditioning has been widely concerned. From the clustered infections in closed places during the epidemic to the explosion accident in H器2䀀
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06/14/2020

Daily cold storage system maintenance method

Daily cold storage system maintenance method For large-scale refrigeration equipment such as cold storage, we should usually do daily inspection and maintenance in order to quickly eliminate the abnormal operation of the cold storage, thereby reducing th器2䀀
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07/16/2020

Tips for compressors using refrigeration oil

The amount of frozen oil used. The amount of refrigerating oil should be controlled after the installation of the overall refrigeration system. After the trial operation, the oil return position of the refrigerating oil seen from the sight glass of the compressor should be at the center line of the sight glass.

09/07/2020

What happens if the air compressor uses three filters and one oil for an extended period of time

The "three filters and one oil" of the air compressor have a specified service life, which is generally replaced after 2000 hours of use. If you continue to use it beyond the service life, it will bring a lot of harm to the normal operation of the air compressor

03/04/2023

Test and Diagnosis of Cylinder Sealing

Cylinder sealing is guaranteed by engine piston group, valve and valve seat, cylinder head, cylinder block, cylinder gasket and other parts.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

03/20/2025

What Causes Piston Rods for Reciprocating Compressors to Loosening

As is known, the reciprocating compressor’s piston rod connects the crosshead to the piston.

06/14/2020

The omni-directional strategy-fault and maintenance of piston refrigeration compressor

The omni-directional strategy-fault and maintenance of piston refrigeration compressor 1. The refrigeration compressor cannot start normally   Maintenance ideas