Bristol Compressor H26A38QDBLH

08/11/2020

Correct adjustment method of opening degree of thermal expansion valve

The expansion valve is one of the four major components of the refrigeration system. It is an important device for regulating and controlling the flow and pressure of the refrigerant entering the evaporator, and it is also the "boundary line" between the high and low pressure sides.

06/27/2025

VFD Basics - How VFD Controls the Motor Running?

When the main circuit of the VFD is connected with the power line, in order to control the motor, it is necessary to connect the surrounding control circuit to the relevant terminals

08/02/2020

How to use refrigerant to empty the air conditioner after installation

Air, moisture and impurities contained in the air will cause pressure increase, current increase, noise increase, and power consumption increase in the air conditioner system, which will reduce the cooling (heat) capacity, and may also cause ice blockage and dirty blockage.

06/29/2020

Compressor oil change index

Compressor oil change index The general indicators for determining whether the refrigeration oil can continue to be used are: appearance, viscosity, acid value, moisture, pour point, flash point, compressive strength, copper corrosion, mechanical impurities and insolubles.

07/28/2020

Common faults and solutions of screw chillers

Low voltage overrun protection:<br></br> Solution: Replace or clean the filter element; clean the suction port filter.<br></br> Dirty or ice blockage at the inlet of the expansion valve:<br></br> Solution: Dirty blockage: remove the expansion valve and clean it. Ice blockage: replace the filter drier and run again

06/14/2020

What is the role of refrigeration compressor in refrigeration system?

What is the role of refrigeration compressor in refrigeration system? The simplest and most popular explanation is that the refrigeration system uses the phenomenon that the refrigerant evaporates and condenses at different pressures to achieve refrigera器2䀀
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03/29/2022

What is a Linear Guideway?

Linear guideway, also known as linear guide rail, slide rail, linear guide and linear slide rail, is used for high-precision or high-speed linear reciprocating motion. It can bear a certain torque and realize high-precision linear motion under high load.

09/11/2020

Hanbell screw compressor oil replacement operation specification

Maintenance and operation instructions for the refrigerating oil of the screw refrigerant compressor of Hanbell 1. The role of lubricating oil:

08/08/2020

How do you see the power of the air conditioner Air conditioning horse number and area

How do you see the power of the air conditioner Air conditioning horse number and area We may initially know the power of the air conditioner, but in fact, we don't know much about the specific meaning of the power of the air conditioner.

07/07/2020

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