Nais Relay AQV217AX

08/19/2020

What kind of preheating work can avoid the failure of screw chiller

The following is a small knowledge point to ensure the normal, safe and stable operation of the screw chiller. If you want to be a qualified chiller operator, you must continue to learn and absorb a more comprehensive working principle of the chiller and its components, and the chiller

08/18/2020

Causes and solutions for low energy efficiency of air energy heat pump units

Air-energy heat pump water heaters are generally used in large places such as hotels, schools, hospitals, bathing centers, etc. Most of them require 24 hours a day to provide hot water.

05/27/2025

How to Test Your Radiator Fan: A Step-by-Step Guide

A properly functioning radiator fan is crucial for maintaining the optimal temperature of your vehicle's engine.

08/24/2020

Reason analysis of refrigeration compressor can not start or stop soon after start

1) First check the main circuit. Whether the power supply has power, whether the voltage is normal, whether the fuse has been blown due to starting overload, whether the air switch has tripped, whether the switch contacts are good, and whether the power supply is missing phase. Observe the voltmeter and ammeter when starting. When the small-scale refrigeration and air-conditioning equipment does not have an ammeter or electric meter, a multimeter or electric pen can be used to check the power supply. When the power supply voltage is too low, the compressor will not start.

08/20/2020

Precautions for using purifier

In the past few days, all parts of the country have been cooling down, the weather has become cold, and the nasty haze has returned. Every morning when I go out, the road is gray and gray.

08/15/2020

How to control the heat dissipation problem when the air conditioner in the computer room is turned off

Most buildings will be equipped with air-conditioning or air-conditioning systems already installed. For companies that rent office areas, it is difficult for the building to provide a complete computer room.

08/11/2020

Why is the duct air conditioner not a central air conditioner

Many people think that the air duct machine is also a central air conditioner. Strictly speaking, this understanding is actually wrong. Ducting machine is the abbreviation of concealed air conditioner. It can also be called air-conditioning ducting machine or ducted air-conditioning.

08/11/2020

The function, principle and installation of air conditioning condensate lift pump

Three characteristics of condensate lift pump:<br></br> 　　 First, it can improve drainage patency and prevent roof foaming. The air conditioner internal unit without a water pump can only be used for natural drainage.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/19/2020

What are the tips for purchasing a screw chiller for the first time

Screw chiller is named screw chiller because of its key component-the compressor adopts screw type. The state of the unit from the evaporator is gas refrigerant; after adiabatic compression by the compressor, it becomes a high temperature and high pressure state.