West Temperature Controller P4100 12000020

04/30/2022

How to test a contactor?

Check the rated voltage of the contactor coil and connect it to the matching power supply. Open the switch and check whether the contactor is closed. If it cannot be pulled in, it indicates that the contactor coil is faulty.

07/07/2020

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

07/18/2020

The role of precision chillers in various industries

Piston refrigeration compressor liquid hammer process and reasons for liquid hammer 1. Introduction The phenomenon that liquid refrigerant and/or lubricating oil is sucked into the compressor cylinder with the gas and damaged the suction valve plate

08/24/2020

What are the advantages of water source heat pump compared with conventional air conditioning technology

Today, let us take a look at what are the advantages of water source heat pumps compared with conventional air conditioning technology?

09/22/2020

Discussion on the Causes of Rotor Scaling of Natural Gas Compressor

An oilfield company’s compressor station ammonia compression refrigeration device mainly caused the reduction of natural gas processing capacity and increased power consumption; severe fouling would cause

07/19/2020

The salient feature of the refrigeration unit

Water-cooled chillers are also called: refrigeration units, refrigeration units, chillers, cooling equipment, etc. The ice water machine is a machine that outputs low-temperature chilled water. The output chilled water temperature can also be adjusted between 3-35 degrees Celsius. An industrial refrigeration equipment that mainly uses compressors for refrigeration,

08/16/2020

What are the precautions for installing the piston ring of ammonia refrigeration accessories

Piston ring is a small part of piston compressor in ammonia refrigeration system. It is used as a metal ring for sealing inside the piston. The piston ring includes a gas ring and an oil ring. It may seem small but it plays an important role.

06/14/2020

Refrigeration Compressor Market Research Report 2020: Key Players, Applications, Drivers, Trends And Forecast To 2026

A report, added to the extensive database of verified Market Research titled Refrigeration Compressor Market 2020 by Manufacturer, Region, Type and Application, Forecast up to 2026,

05/30/2023

Why Does My AC Compressor Turn on and off Repeatedly?

Under the control of the thermostat, generally the air conditioner will stop working when it reaches the set temperature. For example, when the indoor temperature is 35 °C, you turn on the air conditioner and set it to cooling mode

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