B&R Controller Module X20BC0088

08/24/2020

What kind of equipment is suitable for high and low pressure refrigerant charging method

There are generally two types of refrigerant charging methods: low-pressure charging and high-pressure charging. The advantage of the low pressure charging method is that it is easier to control the amount of refrigerant charged,

08/11/2020

Why is the duct air conditioner not a central air conditioner

Many people think that the air duct machine is also a central air conditioner. Strictly speaking, this understanding is actually wrong. Ducting machine is the abbreviation of concealed air conditioner. It can also be called air-conditioning ducting machine or ducted air-conditioning.

03/01/2021

Matters needing attention

1.Oil and water protection of servo motor 1) The servo motor can be used in the place that will be attacked by water or oil drops, but it is not completely waterproof or oil-proof. Therefore, the servo motor should not be placed or used in the environment of water or oil invasion. 2) If the servo motor is connected to a reduction gear, the oil seal should be filled when using the servo motor to prevent the oil of the reduction gear from entering the servo motor 3) The cable of servo motor should not be immersed in oil or water.

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.

09/04/2020

Main permanent magnet materials commonly used in oil-free screw air compressor motors

Permanent magnet materials commonly used in oil-free screw air compressor motors include sintered magnets and bonded magnets. The main types are AlNiCo, ferrite, samarium cobalt and neodymium iron boron.

12/07/2021

Troubleshooting of Diffusion Silicon Pressure Transmitter

Diffusion silicon pressure transmitter is applied in a wide variety of industries, such as petroleum, chemical industry, steel, power, light industry and environmental protection industry.

08/18/2020

How to replace the lubricating oil and filter drier of the chiller

After the chiller is used for a long time, the lubricating oil will inevitably be contaminated or acidified. Therefore, we must pay attention to the change of oil quality during the operation of the unit.

09/14/2020

What is the difference between oil and oil-free air compressors

The oil and non-oil in the air compressor generally refer to the oil content of the exhaust gas of the air compressor. Generally, the oil content of the oil machine is larger, and the oil content of the oil-free machine is 0.01ppm,

06/29/2020

Compression ratio of American Copeland compressor

05/07/2022

Working Principle of 5 Kinds of Solenoid Valves?

When the power is on, the electromagnetic coil generates electromagnetic force to lift the closing part from the valve seat and open the valve