Copeland Compressor ZRD48K3E-TWD-425

09/10/2025

Why is My AC Compressor Overheating and Shutting off?

The compressor is one of the most important components of your air conditioning system, responsible for compressing the refrigerant and moving it through the system to cool your home.

09/07/2020

The air compressor lubricant is not up to standard

Air compressor lubricating oil is of great significance to the normal operation of screw air compressors, and it has a great impact on the reliability, economy and service life of the air compressor.

04/10/2024

Servo Control, Step Control and Variable Frequency Control: Detailed Explanation of the Three Major Controls

The following introduces the working principle, structure, types and application of the three major control methods of servo, step and variable frequency.

09/04/2020

How much do you know about the uses of industrial gas

With the rapid development of China's economy, industrial gas, as one of the basic industrial elements of the national economy, has become increasingly prominent in its important position and role in the national economy.

08/16/2020

The failure of refrigeration system in small cold storage

Small cold storage, including movable cold storage, generally have a capacity of less than 100 tons. The cold storage evaporator adopts a platoon type or a combined type of air cooler, and a

06/14/2020

The principle, installation and use of the bypass valve of the heater of the cold dryer Composition and principle of "heater bypass"

The principle, installation and use of the bypass valve of the heater of the cold dryer Composition and principle of "heater bypass" The energy regulation of the system is generally composed of the following ways: Compressor parallel-multi-stage contro器2䀀
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07/02/2024

Proportional Solenoid Valves: Working Principle, Types, Difference and Application, with Diagrams

A proportional solenoid valve is a device that controls the opening degree of a valve by changing the input current to the electromagnet (solenoid coil).

06/29/2020

How the compressor works

08/05/2020

How does the air conditioner collect fluoride

1. Method: The method of collecting fluorine should be correct. Under the state of turning on and cooling, open the covers of the two connecting pipe valves of the outdoor unit with a wrench, use 5 hexagonal wrenches,

08/08/2020

What are the differences between non-standard refrigerators and standard refrigerators

Non-standard refrigerator means that it is different from standard refrigerator. The standard unit looks very tall, so how is the non-standard customization different from the standard unit? Let’s take the box-sealed refrigerator as an example.