Copeland Compressor ZR125KS-TFP-522

08/20/2020

Tips to avoid damage to the chiller

1. Before installing the freezer, please choose a place where the foundation is stable, the surrounding area is open, unobstructed, and corrosion, pollution, sun and rain are avoided, and it is convenient for installation and maintenance;

07/23/2020

Trouble and overhaul of piston refrigeration compressor

1. The refrigeration compressor cannot start normally Maintenance ideas 　　 1. First, check whether it is caused by low power supply voltage or poor connection of the motor circuit. If it is indeed that the grid voltage is too low, restart after the grid voltage returns to normal: If the line is in poor contact, the connection between the line and the motor should be detected and repaired.

01/16/2021

Refrigeration compressors are divided into several categories according to the working principle

Refrigeration compressors are divided into several categories according to the working principle 　　Refrigeration compressors can be divided into two types: volume type and speed type according to their working principles.

07/07/2020

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

09/08/2020

How much do you know about the operation of air compression system

According to the "Limited Values ​​and Energy Efficiency Grades of Positive Displacement Air Compressors" standard GB19153-2009, the input specific power values ​​of each energy efficiency level of screw air compressors can be found (the input specific power represents the specific exhaust pressure and flow rate range

07/16/2020

Compressor failure and elimination

The compressor is the heart of the refrigeration system. It sucks low-temperature and low-pressure refrigerant gas from the suction pipe, drives the piston to compress it through the operation of the motor, and discharges high-temperature and high-pressure refrigerant liquid to the exhaust pipe to provide power for the refrigeration cycle.

06/16/2020

dafoss Liquid line

Danfoss filter drier 一、Filter drier 1、Filter drier cold,dew or frosting possible ①Partial blocking of dirt strainer in filter drier. Area Liquid line System Part Filter drier Symptom Filter drier cold, dew or frosting possible. Potential Cau器2䀀
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07/31/2020

Is it normal to see smoke from the outdoor unit during air conditioning heating in winter

In winter, when using air-conditioning for heating, the effect is either reduced or there is no hot air. I always feel that the heating effect is very poor! Many air conditioners are surrounded by snow. Can they be effective

09/01/2021

What is VFD?

A VFD (Variable-frequency Drive, frequency converter) is a power control device that uses frequency conversion technology

09/09/2020

Mechanical equipment inspection management

Air compressors are the most used power resource in the 21st century, and are basically needed in all walks of life. Therefore, the normal operation of air compressors is the key to protecting the interests of users. For this reason, equipment inspection is extremely important.