SIEMENS Module S7-1500RH

08/12/2020

Operation method of air discharge in refrigeration system of industrial chiller

Air is a non-condensable gas, which means that air will not condense into liquid at ordinary low temperatures. If air is mixed into the refrigeration system of an industrial chiller, it will affect the heat dissipation of the condenser and increase the co¨ﰨ2䀀湠疨V

08/21/2020

Failure Analysis of Air Conditioner Button Circuit

Where is the button circuit in the inverter air conditioner? The first is the function keys on the display panel, and the second is the automatic switch on the main board. The main purpose is to transmit user instructions and achieve the purpose of information interaction.

12/17/2022

How to Fix a Damaged Memory Card?

Memory cards are very convenient for data storage and transfer. What should we do if we find that our memory cards are damaged

03/17/2025

Why Heat Pump Compressor Starts Then Stops: Common Causes and Solutions

A heat pump compressor that starts and then stops can be a frustrating and potentially costly issue. A malfunctioning compressor can cause inefficient operation, poor heating or cooling performance, and even complete system failure.

11/13/2021

Basics of Industrial Control System and the Use of PLC

The components of industrial control system (ICS) can be roughly divided into two categories according to their location: control center equipment and remote site equipment.

09/17/2020

Choose refrigerating oil and start from scratch

Recently, the weather is hot and air-conditioning sales are in the peak season, which has to be reminiscent of "refrigeration". We know that there are many parts that make up refrigeration equipment, and refrigerating oil is an indispensable component.

09/07/2020

How to save energy for permanent magnet variable frequency air compressor

In today's air compressor market, the majority of manufacturers and users pursue energy saving. For screw air compressors, the energy-saving type can be divided into two types: ordinary frequency conversion series and permanent magnet frequency conversion series.

08/08/2020

Precautions for high-pressure cleaning shell and tube condenser

1. The main medium of the high-pressure cleaning shell and tube condenser is water. The water must be filtered before use to prevent impurities in the water from clogging the water pipe during cleaning

06/07/2024

Hydraulic Solenoid Valves: Common Faults and Solutions

A hydraulic solenoid valve is one of the commonly used control components in hydraulic systems, and its working reliability directly affects the normal operation of the system. In order to ensure the stability and safety of the hydraulic system, if a hydraulic solenoid valve fails, it needs to be troubleshot or repaired in time.

06/29/2020

What is the cause of compressor pipeline vibration