Bristol Compressor H83C323DBDJ

08/07/2020

Air source heat pump purchase skills

Air source heat pump products can not only replace coal-burning stoves in rural areas for heating, but also replace urban thermal central heating.

07/10/2020

Hitachi

Hitachi original place：Japan Brand introduction: Hitachi was established in 1910. In the industry, it is a diversified enterprise integrating household appliances, computer products, semiconductors, industrial machinery and other products.

03/10/2023

Introduction to Three Sorts of Soft Starters

Soft starter, in essence, is a reduced-voltage starter that can control automatically. As it can adjust output voltage arbitrarily, plays a role in current closed-loop control

08/05/2020

Why can only precision air conditioners with constant humidity and cleanliness be used in the computer room

The country divides computer rooms into Type A, Type B and Type C. The requirements for the three types of computer rooms are different, and the requirements for various construction standards and operating indicators are sequentially reduced.

08/20/2020

Refrigerant recovery method of industrial chiller

In the repair or maintenance process of industrial chillers, it is necessary to recover the refrigerant to facilitate subsequent repairs and maintenance.

06/29/2020

Several causes of compressor burning

07/16/2020

ZB scroll compressor configuration

ZB scroll compressor configuration Compressor model; built-in pressure relief valve; exhaust temperature protection; exhaust check valve; motor protector; midpoint protector ZB15-ZB48; ZF09-ZF18; IPR; TOD has a midpoint protector ZB58-ZB114; None; ASTP has key protectors Built-in pressure relief valve (IPR valve)

08/19/2020

How to design cold storage compressor parameters

The cold storage compressor uses Freon as the cold storage agent. Because Freon has many different characteristics from ammonia, it should adopt different design parameters from

08/16/2020

How to effectively heat the roof of cold storage

In order to reduce the influence of outdoor air temperature on the interior, the cold storage roof must be insulated. Currently, there are usually the following two approaches.

08/20/2020

Strategy丨Common failures and maintenance of piston refrigeration compressors

1. The refrigeration compressor cannot start normally 　　Overhaul ideas 　　 1. Firstly, check whether it is caused by low power supply voltage or poor motor circuit connection.