Delta PLC DVP-S series special module / left high-speed module DVP01LC-S

07/16/2020

Compressor failure and elimination

The compressor is the heart of the refrigeration system. It sucks low-temperature and low-pressure refrigerant gas from the suction pipe, drives the piston to compress it through the operation of the motor, and discharges high-temperature and high-pressure refrigerant liquid to the exhaust pipe to provide power for the refrigeration cycle.

07/13/2020

HVAC Innovative products and series of Danfoss commercial compressors

Hello everyone, today I will introduce you to Danfoss' high-temperature compressors.The refrigeration capacity of this series of scroll compressors ranges from 2 to 10 tons, and can be used in parallel. The compressor is divided into three platforms-household, small business and light business. Other features include: two frequencies, 450 kinds of codes.

08/19/2020

The development trend of air-conditioning condenser and evaporator

The condenser is the main heat exchange component in the air conditioner. The heat absorbed by the air conditioning system and the heat generated by the compressor work all rely on it to be dissipated into the outside air.

07/07/2020

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

07/25/2020

Oil pressure protection? High and low voltage protection? Thermal relay protection? Come and see if the automatic control appliance fails

There are two types of failures in the automatic control of refrigeration devices: one is caused by the failure of the refrigeration system; the other is caused by automatic control, electrical component failure, and improper debugging.

09/18/2020

Five years of sharpening the sword to rewrite the monopoly pattern of foreign brands

"After five years of development and testing, we have successfully developed an oil-free water lubricated single screw air compressor, which broke the long-term monopoly of foreign brands in one fell swoop and became another benchmark for "Creation in Shunde".

08/20/2020

What is the difference between fixed speed and inverter air conditioners and their respective characteristics

The fixed speed air conditioner means that the speed of the internal compressor motor is constant, and the temperature is adjusted by switching the compressor on and off. Inverter air conditioners are variable speed air conditioners,

08/11/2020

How to solve the irritating computer room air conditioning noise

According to relevant surveys, the noise generated by abnormal air conditioners is often the most unbearable sound pollution for consumers. The vibration and noise of the air-conditioning equipment in the computer room (fans, chillers, water pumps, cooling towers, etc.)

08/26/2020

Comparison of scroll type, screw type and piston type compressor

Comparison of scroll type, screw type and piston type compressor

08/17/2020

Tubular heat exchanger tube bundle failure and flange leakage

1. Tube bundle failure 　　 1. Corrosion and abrasion of the tube bundle cause tube bundle leakage or scale in the tube bundle causes blockage and malfunction