HITACHI Fan VB-002-E

05/09/2025

Air Conditioner Compressor: How It Works, Functions, Troubleshooting＆Maintenance

The air conditioner mainly relies on the work of the air conditioner compressor (AC compressor) to achieve the cooling cycle.

01/15/2025

Refrigerator compressor working principle, wiring diagram, structure

The core component of the refrigerator is the compressor. If there is no compressor with good quality and technology, it is not a good refrigerator. At present, many products on the market advertise the use of high-quality compressors, so which compressor brands are in China, and which failures are prone to occur? I will introduce you one by one in the following!

07/16/2020

Vacuum leak test method for small cold storage equipment

Refrigeration systems with evaporating pressure gauges close to or below atmospheric pressure must be tested for vacuum leak tests, leaving the refrigeration equipment under proper vacuum for a certain period of time, reflecting and observing whether air has penetrated into the system from the reading of the vacuum pressure gauge for inspection The sealing performance of the cold storage equipment system.

06/14/2020

Prerequisites and principles for adjustment of several operations in the refrigeration system of cold storage

Prerequisites and principles for adjustment of several operations in the refrigeration system of cold storage

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/15/2020

Installation method of valve in refrigeration system of industrial chiller

In the refrigeration system of the industrial chiller, the main function of the valve is to control the flow and direction of the refrigerant. In daily use, the valve is often used.

08/26/2020

Mobile screw machine requirements for lubricating oil

The requirements of the mobile screw machine for lubricants are as follows 1. The volume of the mobile screw machine and the volume of the oil tank are small, the amount of lubricating oil is also small, and the oil temperature is higher during operation,Ÿﰨ2䀀湠皟VǜV
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01/23/2023

How to Deal with Spindle Amplifier Alarm Codes?

When faults occur, there will be various alarm codes on the Spindle amplifier, each representing different faults.

08/04/2023

Heat Pump Defrost Cycle: Everything You Need to Know

Heat pumps are a popular and energy-efficient choice for heating and cooling homes in many parts of the world. One of the key features that make heat pumps so efficient is their ability to transfer heat from one place to another.

01/13/2023

What is a 3/2 Solenoid Valve?

A solenoid valve is an electro-mechanical valve that is commonly employed to control the flow of liquid or gas.