DHF Tool for Metal Cutting VTB1606

06/29/2020

How to calculate the number of Copeland compressors

How to calculate the number of Copeland compressors Copeland compressors are divided into L, C, 3S, 4S, and 6S series air-cooled compression and condensation units, which can be used as the main components of various refrigeration devices. The refrigerant can obtain various temperatures required for the preservation of fruits and vegetables, quick freezing of food or refrigeration. How to calculate the number of Copeland compressors?

08/14/2020

Cold storage design acceptance installation standards

A newly built cold storage, when it’s time for acceptance, it will definitely be annoying. How to check and accept to ensure quality and quantity is actually not as troublesome as you think.

08/20/2020

Precautions during use of industrial chiller compressor

One of the most important components in industrial chillers is the compressor. Compressor damage means that the chiller is scrapped. Therefore, the compressor is a very important consideration when choosing a chiller.

08/16/2020

Detection of capacitors in refrigeration accessories

The common marking method for capacitors in refrigeration accessories is direct marking, and the commonly used units are pF and μF. However, some small-capacity capacitors use the digital labeling method, which usually has three digits.

01/22/2024

Central Air Conditioning: Types, Components, and Brands (including Mitsubishi Electric, Daikin, York, Carrier, etc.) (Part 2)

The air conditioning system was first invented by Willis Carrier, the founder of Carrier Company. The technology gradually spread in America and Europe.

08/11/2020

Is the duct air conditioner a central air conditioner Advantages and disadvantages of duct machines and central air conditioning

At present, there are mainly three types of household central air conditioners that are popular on the market: one is air-cooled heat pump hot and cold water units, commonly known as water machines (water system central air conditioners);

03/18/2024

What Is a Closed Loop System (Servo System / Servomechanism)?

As shown in the figures above, the closed-loop control system has a feedback device to feedback the position of the servo motor, but the open-loop control system does not.

08/07/2020

Air source heat pump heating in winter

The air source heat pump is used as the cold and heat source of the central air conditioner. Its advantage is that one machine is used for two purposes.

06/29/2020

Several causes of compressor burning

07/18/2020

The role of precision chillers in various industries

Piston refrigeration compressor liquid hammer process and reasons for liquid hammer 1. Introduction The phenomenon that liquid refrigerant and/or lubricating oil is sucked into the compressor cylinder with the gas and damaged the suction valve plate