Danfoss Compressor SH322A4ACP

08/21/2020

The reason why the compressor of industrial chiller cannot start

What is the reason why the industrial chiller cannot be started? The compressor is the core part of the industrial chiller. If it cannot be started, the entire unit cannot operate normally. When the compressor is started,

06/23/2020

How to add air conditioning refrigerant

Turn off the power supply of the air conditioner first; if all the light leaks, then you must evacuate before adding it; find the thick tube under the outdoor unit and add fluorine from here; you need to install the pressure gauge when adding fluorine Generally, it can be stopped at about 5 pressures; the temperature needs to be turned to the lowest when turning on the machine, and observe for about half an hour.

06/29/2020

What is the cause of compressor pipeline vibration

07/16/2020

How to clean the rain test box

After using the box-type rain test box, and regular cleaning is a very important work, I believe many customers will not be unfamiliar. The internal cleaning of the box-type rain test box is the top priority. Let's take a look with the editor. Cleaning items of box rain test box:

09/14/2020

Maintenance steps and methods of G series oil and gas separator

1. Disassemble all connecting pipelines connected to the cylinder head and clean the surface dust. 2. Take out the oil return pipe (air compressors below GA90 cannot be removed).

09/03/2020

What are the reasons for the performance degradation of the compressor unit driven by the steam turbine

1. The seal between compressor stages is seriously damaged, the sealing performance is reduced, and the internal return flow of the gas medium increases.

09/08/2020

Is air compressor lubricating oil the more viscous the better

Air compressor lubricating oil has many functions and effects such as cooling, sealing, lubrication, etc. It is a necessity during the use of air compressors. The good lubrication effect can not only give full play to the overall efficiency of the air compressor unit in operation, improve the efficiency of the equipment, but also reduce the failure rate and reduce the maintenance cost.

07/17/2020

Refrigerant used by Emerson Copeland compressor

With the global emphasis on environmental protection, our refrigeration industry is also the same, and gradually use some environmentally friendly refrigerants. Previously, the refrigerant used by Emerson Copeland compressors was R22, and R22 was not an environmentally friendly refrigerant. Later, Emerson Copeland Compressors gradually changed the compressors to use environmentally friendly refrigerants.

03/13/2021

Working mode of servo driver

The working modes of servo driver are: open loop mode, voltage mode, current mode (torque mode), IR compensation mode, Hall speed mode, encoder speed mode, tachometer mode, and analog position loop mode (ANP mode). (not all of the above modes exist in all models of drives)

08/18/2020

Causes of vibration of air conditioning fans in computer rooms

There should be a qualified mechanical professional technician (or, hire a contract mechanical professional technician) among the staff in the data center.