HENGSTLER Encoder RI58-T/2500AS.41RC

08/20/2020

Aftertaste the college entrance examination how many points can you answer this set of cold storage test papers

This year's college entrance examination is over, Chinese, mathematics, science and comprehensive...These subjects rigorously and scientifically test the students' ability to take the test.

07/31/2020

Five common problems of refrigeration system

Trouble phenomenon: The cooling effect of the whole machine is poor, the water outlet is only slightly cool, and the pressure on the high pressure side and the low pressure side are found to be low when checked with the manifold pressure gauge (under the normal speed of the compressor

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

10/17/2025

VFD Troubleshooting: 10 Simple Methods to Master

At present and in the future, the maintenance of the electrical control equipment, VFD (Variable Frequency Drive) will become the professional knowledge that all electricians need to master.

07/20/2020

Detailed explanation of the principle composition and failure of the precision air conditioner in the computer room

Know the precision air conditioner: The precision air conditioner can control the temperature and relative humidity to plus or minus 1 degree Celsius, which greatly improves the life and reliability of the equipment.

08/05/2020

Why does the heating system lose water

1. Why does the compressor produce overheat protection? The working principle and classification of the overload protector. The overload protector of the compressor for air conditioning generally adopts a snap-type bimetallic protector,When the pipeline is filled with water, a large amount of dissolved oxygen is mixed into it to cause corrosion; the insulation shell of the directly buried pipeline is disconnected and is subject to long-term soaking of groundwater to cause corrosion.

02/14/2025

How to Add Oil to Semi-Hermetic Compressor: A Step-by-Step Guide

If you work in the refrigeration or air conditioning industry, you know how important it is to keep your compressors properly lubricated.

08/24/2020

What are the irrelevant and unreasonable requirements in air conditioning procurement

As a device commonly used in daily life and work, the purchase demand for air conditioners is strong all year round. Looking through the bidding documents of the government procurement of air-conditioning projects,

03/30/2022

How to Maintain Linear Guideway?

The linear guideway is a precision part, which has the advantages of high wear resistance, long service life, high speed and high acceleration, simple and convenient installation, high guidance accuracy, mute and energy saving.

08/26/2020

The development history of scroll refrigeration compressors

1. In 1905, Frenchman Leon Creux proposed the working principle of scroll machinery and applied for a US patent.