Pilz Relay 837290

08/12/2020

Central air conditioning chiller water system and ventilation system cleaning method

The central air-conditioning ventilation system mainly includes air ducts, fresh air ducts, central air-conditioning wind cabinets, air supply outlets, air-sealing outlets, air handling units, and fan coils.

09/14/2023

Hydronic HVAC System: A Comprehensive Guide

Hydronic HVAC systems are becoming increasingly popular as a more efficient and cost-effective way to heat and cool homes and commercial buildings.

06/14/2020

Characteristics of fin heat exchanger

Characteristics of fin heat exchanger The heat transfer efficiency is high. The disturbance of the fins to the fluid causes the boundary layer to continuously rupture, which has a large heat transfer coefficient. At the same time, because the separator a器2䀀
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08/03/2020

14 moving pictures show various air-conditioning compressors, hurry up and collect them

The compressor is the low pressure gas<br></br> A driven fluid machine that is upgraded to high-pressure gas. It is the heart of the refrigeration system and provides power for refrigeration.

08/15/2020

How to manage the temperature after the cold storage is built

After the cold storage is built, the temperature in the cold storage must be better adjusted. This content is actually very important, but the corresponding precautions should also be grasped in the process of adjusting the temperature of the cold storage.

08/13/2020

Cold storage refrigeration equipment cleaning sequence

In every well-designed and well-installed refrigeration installation, it is rare that the built-in electromechanical insulation layer is damaged and the electromechanical destruction is caused.

01/17/2022

Piezoelectric Pressure Transducers -- Working Principle, Characteristics and Applications

The piezoelectric pressure transducer, a measuring precision instrument, mainly works with the piezoelectric effect that is the use of electrical components

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.

06/29/2020

How the compressor works

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.