Siemens Sensor 3RG4611-3AN01

08/17/2020

The setting of fire damper in HVAC system

In the HVAC design, there are many types of valves for fire prevention and smoke exhaust, and the valve settings are different for different applications.

08/21/2020

Causes and troubleshooting of industrial chillers

1. High condensing pressure (higher than the specified value) failure causes and remedies: 　　① Non-condensable gas in the system: release non-condensable gas.

05/29/2023

How to Tell If AC Compressor is Bad

Air conditioning systems have several components that assist in the cooling of the air. These components are the compressor, condenser and evaporator.

08/19/2020

Causes of abnormal cold storage temperature

In daily life, there are many problems with abnormal temperature in cold storage. Common common problems are usually: 1. No cooling or poor cooling effect; 2. Slow cooling speed; 3. The cooling temperature stays high and cannot drop;

08/13/2020

Problems that need to be paid attention to when installing chillers

1. Anti-leakage of fluorine<br></br> 　　If the joints of the chiller are not tightened or cracked, fluorine leakage will occur. If the chiller leaks fluorine, the user must replenish it frequently,

08/20/2025

What’s the Difference between Semi-Hermetic Compressors and Hermetic Compressors?

In the hermetic compressor, the motor and the compressor share the main shaft (reciprocating type)

03/01/2023

The Structure and Basic Working Principle of Air Cylinder

Air cylinder is composed of cylinder barrel, end cap, piston, piston rod, and sealing ring.

08/21/2020

What is a shell and tube condenser How can the chiller save more power

Recently, some friends left a message to okmarts.com asking what is a shell and tube condenser? How to operate the chiller to save electricity? Today, the editor of okmarts.com will take you to learn more, and hope the following content can help you.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/19/2020

Troubleshooting of low valve temperature of screw chiller

The outlet temperature of the expansion valve of the screw chiller reflects the evaporation temperature, which is a factor that affects the heat exchange. Generally, the difference between it and the outlet temperature of the refrigerant water is 5~6℃.