Johnson Controls Sensor A99EY-1C

08/18/2020

Solution to water leakage of fan coil ceiling

The fan-coil system is supplied with chilled water by the chiller, and the water temperature is usually only about 8°C. Therefore, the chilled water supply and return pipes, condenser pipes and condensate trays are all relatively low in temperature.

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.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

07/13/2020

Danfoss medium temperature refrigeration compressor M series

liquid 1. Liquid back: When the refrigerant returned to the compressor is not a pure gas state, but contains liquid, the influence of the liquid refrigerant on the compressor is negative. If there is too much liquid, it may even cause liquid shock, even if there is no liquid shock, it will happen. Wet compression causes oil to run away.

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.

07/10/2024

Solenoid Valve Replacement: Detailed Steps, Precautions and Cleaning

The solenoid valve is a common control mechanism that uses electromagnetic force to control the flow of fluid. Generally composed of iron core, coil, valve cover, sealing gasket, etc.

08/21/2020

Water tower maintenance tips for industrial chillers

Because of the convenient installation and high work efficiency, the stainless steel water tower is more and more popular and has become the main tool for construction sites and residential buildings.

08/18/2020

Precautions for the selection of fan coils for large central air conditioners

The fan coil unit is an important component in a large central air-conditioning system. Its selection will directly affect our usage, such as cooling effect, power consumption, noise impact, etc.

08/02/2020

Equipment selection for cold storage design and installation temperature and size are critical

The equipment selection of the cold storage design and installation is related to the actual operation of the cold storage after the completion of the cold storage.

08/13/2020

New Explanation of Basic Knowledge of Small Chiller System

Small chiller: is a kind of water cooling equipment, small chiller is a kind of cooling water equipment that can provide constant temperature, constant flow and constant pressure.