Banner Sensor M18-4VPFF75-2M

08/17/2020

Installation requirements of fan-coil air conditioner water system

1) The vertical division of the water system is determined according to the pressure-bearing capacity of the fan coil and the pipeline, so that the water volume of each loop is evenly distributed.

08/06/2020

Installation and debugging methods and essentials of buffer hot water storage tank in heating system

With the large-scale promotion of "Coal to Electricity" and "Coal to Clean Energy" projects, the use of air source heat pumps for independent domestic heating has become one of the leading energy-saving, comfortable,

07/29/2020

R410a refrigerant vacuum training

The first step of vacuuming<br></br> 　　Steps for installing and connecting the internal and external machines...Connect the pipes connecting the internal and external machines, tighten...

08/21/2020

Is the air-conditioning installation nonsense

Many people think that if the air conditioner is bought, the air conditioner in this home will be able to cool and heat super well, but in fact, the installation of air conditioner also has a crucial

07/07/2020

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

08/19/2020

Anyone who understands the structure of industrial chillers should know that once the compression ratio of the compressor is too high

Anyone who understands the structure of industrial chillers should know that once the compression ratio of the compressor is too high, it will definitely reduce the work efficiency of the compressor, and the work efficiency of other components will also be reduced due to various reasons

07/30/2020

Various problems that may occur in central air conditioning

Many users will encounter various problems in the process of using central air-conditioning, such as noise, uncooled heat, power consumption, etc. Among them, nothing is more serious than air-conditioning leakage,

07/25/2025

Piston refrigeration compressor

The structure of the piston refrigeration compressor<br></br> Piston refrigeration compressor is mainly composed of three parts: working chamber part, machine base part and auxiliary system lubrication, cooling, etc.<

07/05/2020

Hitachi 2p cold storage compressor

How does the electronic expansion valve reduce the energy loss of the compressor during start and stop? When the compressor is stopped, the electronic expansion valve can completely close the valve to prevent the refrigerant from flowing from the condenser to the evaporator

08/07/2020

Several factors representing the normal operation of cold storage

Several factors representing the normal operation of cold storage<br></br> 1. After the cold storage construction compressor is started, it should run smoothly without noise, and the protection and control components should work normally.