Danfoss Compressor SZ090A6RJ

09/04/2020

Analysis of the advantages and disadvantages of 5 types of compressors

There are mainly 5 types of compressors, piston compressors, rolling rotor compressors, turbo compressors, screw compressors, and centrifugal compressors. This article briefly introduces the advantages and disadvantages of various compressors.

09/10/2020

Design principle of vacuum oil filter

The vacuum oil purifier is designed according to the different principles of the boiling point of water and oil. It consists of a vacuum heating tank fine filter, condenser, primary filter, water tank, vacuum pump, oil drain pump and electrical cabinet.

06/14/2020

The reason for the failure of the multi-line air-conditioning compressor is revealed!

The failure of motor compressor (hereinafter referred to as compressor) can be divided into motor failure and mechanical failure (including crankshaft, connecting rod, piston, valve plate, cylinder head gasket, etc.). Mechanical failures often overload器2䀀
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07/19/2020

Basic knowledge of refrigeration compressor

After shutting down, stop for at least 3 minutes before starting again to eliminate the pressure difference between the compressor inlet and outlet. Because in the case of a large pressure difference, the starting torque of the motor will increase, causing the current to rise to a certain level, the protector will act and the compressor cannot continue to run.

07/29/2020

Analysis of the seven major causes of air-conditioning freezing, the idea should be correct, and the troubleshooting should be accurate and fast~

Small split air conditioners often have icing in the indoor unit evaporator in summer. Why does it freeze and how to eliminate it? Here are the following:

07/16/2020

How to clean the constant temperature and humidity box condenser

The condenser of the constant temperature and humidity test chamber should be maintained regularly on a monthly basis. Use a vacuum cleaner to absorb the dust adhering to the condensing heat dissipation mesh or use high-pressure air to remove the dust.

07/20/2020

How to judge the starter of the refrigerator compressor is broken

1. The heavy hammer starter, the part that is easily damaged is the poor contact of the start contact. During the measurement, the weight starter can be removed and measured with a multimeter ohm block according to the original installation direction.

04/02/2025

FANUC Servo Amplifier Alarm Codes and Solutions (SV430~SV449)

FANUC Servo Amplifier Alarm Codes and Troubleshooting Methods

08/15/2020

How to install large-scale cold storage refrigeration equipment

The cold storage is mainly used as a constant temperature storage air-conditioning equipment for food, dairy products, meat, aquatic products, etc. The cold storage is a kind of low-temperature cold storage and also a kind of refrigeration equipment.

06/29/2020

What is the cause of compressor pipeline vibration