PIZZATO Switch FD 33R2-F2

08/24/2020

Six steps to prevent ice blockage in refrigeration equipment maintenance

Ice blockage has always been a common failure of refrigeration equipment. In which part of the maintenance is it caused? The following are the correct operation methods for the 6 key links that may cause ice blocking in the maintenance of large refrigeration equipment:

09/03/2020

Energy efficiency rating is not the primary condition, it is more economical for air compressors to do so!

This article tries to discuss how to improve the operating efficiency of air compressors, reduce production costs, and help customers improve economic benefits. 　　Improve the operating efficiency of the air compressor

08/24/2020

Problems related to refrigerant charging

Computer room air conditioning units are generally charged with refrigerant at the installation site. There are two main methods for refrigerant charging: weighing method and observation pressure method.

07/05/2020

Hitachi heat pump compressor

Does the compressor not start related to the four-way valve? There is no relationship between the compressor does not start and the four-way valve. Therefore, when the four-way valve coil is damaged, it will not cause the air-conditioning compressor to fail to start normally, nor will the compressor start normally after the good four-way valve coil is replaced.

08/18/2020

Solution to the non-circulation of cold water in the chiller

Generally, the chiller (small) produced by our okmarts.com already contains a chilled water circulating pump, and the chiller (large) does not contain a chilled water circulating pump.

03/21/2024

DC Servo Motor: Working Principle, Pros ＆Cons, Speed Adjustment Methods and Application

DC servo motor is a high-precision, high-speed, high-reliability motor that is widely used in various industrial fields. It controls the motor speed and position through a closed-loop control system, which can achieve extremely high motion control accuracy.

08/02/2020

Do you know the key "3, 5, 8" in the installation of central air conditioning fluorine system?

Central air-conditioning creates a high-quality home life for us. Before installing central air-conditioning, we must make preparations for purchase, design and installation in advance, so as to be well aware of and avoid blindness.

06/29/2020

What is the cause of compressor pipeline vibration

09/06/2020

Main properties of permanent magnet materials commonly used in motors

Permanent magnet materials commonly used in motors include sintered magnets and bonded magnets. The main types are AlNiCo, ferrite, samarium cobalt and neodymium iron boron.

01/09/2021

Be sure to understand these before installing a new fan

The most troublesome thing: the new fan requires indoor and outdoor air exchange, which requires opening holes on the wall or glass. The diameter of the holes in the market is basically concentrated on 150mm\120mm\110mm\100mm.