SAWANA Relay S3Y-2 AC36V 10S

07/10/2020

Hitachi compressor features:

Hitachi compressor features: 1. Whether Hitachi compressors use refrigerant R22 or the new chlorine-free refrigerants R134a, R404A, R507A and R407C, they can operate smoothly and reliably.

08/24/2020

What kind of equipment is suitable for high and low pressure refrigerant charging method

There are generally two types of refrigerant charging methods: low-pressure charging and high-pressure charging. The advantage of the low pressure charging method is that it is easier to control the amount of refrigerant charged,

06/29/2020

Several causes of compressor burning

08/19/2020

Installation of air conditioning and refrigeration system equipment

1. Installation preparation 　　 (1) Check and accept the equipment foundation according to the construction drawings. Measure the position and elevation of the pipeline shown, and find out the embedded parts of the support and hanger.

06/14/2020

Problems and case analysis of electronic expansion valve and four-way valve

Problems and case analysis of electronic expansion valve and four-way valve 1. The problem of electronic expansion valve 1 　　Identify the quality of electronic expansion valve: 　　Step one (see): Whether the wiring is plugged in place and whether the c器2䀀
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08/07/2020

Working principle of frequency converter

　Inverters can be divided into voltage type and current type inverters.<br></br> 　　 Voltage type is an inverter that converts the DC of a voltage source to AC. The filtering of the DC loop is a current type that converts the DC of the current source to AŒ

08/31/2020

Brief Discussion on Recruitment of Talents for Air Compressor System Energy Saving Service

Not long ago, in the article "Analysis of Talent Demand in Air Compressor System Energy-saving Service Industry", the author only briefly analyzed the ability of technical, business, and marketing talents in the air compressor system energy-saving service industry

08/02/2020

What should I do if the refrigeration system of the medical refrigerated truck is blocked?

Medical refrigerated trucks are also common in our lives, because they are used for the transportation of medicines, but if the refrigeration system of the medical refrigerated trucks is blocked,

01/14/2022

Rotational Inertia of Servo Motor

Servo motor refers to the motor that controls the operation of mechanical components in a servo system. Its rotor speed controlled by the input signal can respond quickly.

03/13/2025

Choose four major indicators of frequency conversion air compressor

The frequency conversion technology was not originally born in the air compressor field, but with the development of the economy, all walks of life will inevitably develop in the direction of energy saving, environmental protection and low carbon.