Bristol Compressor H22J29BABH

07/13/2020

Danfoss training-common faults and analysis of compressors

Danfoss training-scroll compressor I participated in Danfoss' service provider training and learning twice a week this week, mainly on scroll compressors (MLM series, MLZ series, LLZ series), and the recently hot scroll compressors for heat pumps (SH series, PSH series) ). And analyze the common faults of the compressor and exchange solutions.

07/06/2022

What is a Proportional Valve

A proportional valve provides a change in output pressure or flow in the same ratio as the change in the input, for example if the input doubles then the output will also double.

08/12/2025

AC Servo Motor Construction and Working

Most servo motors used in servos are AC motors. Figure 1 shows a circuit diagram of an AC servo motor.

07/18/2020

Do you know the refrigeration compressor liquid blow?

Liquid shock refers to the situation where the refrigerant fails to absorb heat or evaporates sufficiently, and the refrigerant liquid or wet steam is sucked into the compressor by the compressor. It is called liquid shock.

08/26/2020

【Special topic】Summary and development of scroll refrigeration compressor technology

　1. There is no reciprocating mechanism, so the structure is simple, small in size, light in weight, few parts (especially few wearing parts), and high reliability;

09/06/2020

Consumable parts of screw air compressor-air filter

The air compressor filter is composed of an air filter assembly and a filter element. The outside is connected to the intake valve of the air compressor through a joint and a threaded pipe to filter the dust, particles and other impurities in the air.

08/23/2022

Ways to Increase Stepper Motor Torque and Select Stepper Motor

Reduce the number of turns to reduce inductance L: select the motor with small inductance L from the standard products of the motor manufacturers, the rated current will increase.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

06/14/2020

About refrigeration compressor overload protector, we must understand these things

1. Why does the compressor produce overheat protection? The working principle and classification of the overload protector.

08/18/2020

How to clean the condenser of the central air-conditioning chiller

With the improvement of the quality of life of residents, the "new aristocratic" central air conditioners in air conditioners have also entered the homes of ordinary people from tall shopping malls and villas.