Danfoss Compressor DCJ091T7LC8

08/13/2020

Refrigeration system 41 essay questions, too comprehensive!

1. What are the three necessary conditions for the safe operation of the refrigeration system? 　　Answer: (1) The refrigerant pressure in the system must not be abnormally high to avoid equipment rupture.

09/08/2020

What is the main purpose of the inverter Which projects are generally used for

Inverter is a device that converts industrial frequency power (50Hz or 60Hz) into AC power of various frequencies to realize variable-speed operation of the motor. The control circuit completes the control of the main circuit, the rectifier circuit converts alternating current into direct current,

07/17/2020

Cause Analysis and Treatment Method of Copper Tube Leakage of Evaporator of Single Cooling Unit

Cause Analysis and Treatment Method of Copper Tube Leakage of Evaporator of Single Cooling Unit A central air-conditioning system in a public area uses a screw chiller. During operation, a copper tube in the evaporator leaks due to a malfunction. After further inspection by the technical staff, it was confirmed that the fault was leakage of the copper pipe of the evaporator of the chiller.

07/20/2020

Pay attention to these for compressor maintenance safety!

Oxygen blowing system is forbidden: Oxygen is colorless, odorless, non-toxic, non-combustible and non-explosive. However, mixing with other combustible or explosive gases will promote combustion or explosion;

06/29/2020

What is the cause of compressor pipeline vibration

08/11/2020

Hello everyone, let me introduce to you, what does the standard central air conditioning budget list look like

The standard central air-conditioning budget is roughly composed of three parts: a configuration table, a specific quotation and a detailed list of auxiliary materials.

10/15/2025

Step-by-Step Guide on How to Clean a Laptop Fan with Figures

After the notebook has been used for a long time, if a large amount of dust accumulates on the fan.

08/27/2021

Why a Compressor is Used in the Refrigeration System

Why are refrigeration compressors used in small and medium-sized refrigeration systems? The compressor is the core equipment in the refrigeration system

08/24/2020

What are the cooling methods you know Let's all talk!

1.Vapor compression refrigeration Principle: In the vapor compression refrigeration cycle system, the compressor sucks in low-temperature and low-pressure refrigerant vapor from the evaporator, is adiabaticly

06/14/2020

Maintenance and repair of refrigeration compressors

1.Pay attention to the oil surface of the oil mirror of the compressor, and ensure that the oil surface is within the range specified by the oil mirror. If the compressor lacks oil, it will cause chain failures such as seizure, shaft wrapping and burning 器2