Danfoss Compressor SH120A7ABB

02/27/2021

Debugging method of servo motor

Before wiring, initialize the parameters. On the control card: select the control method; clear the PID parameters; let the default enable signal turn off when the control card is powered on; save this state to ensure that the control card is in this state when it is powered on again.

08/13/2020

How to apply the functions of cooling, heating, humidification, and dehumidification of computer room air conditioning

1. Uninterrupted operation and year-round refrigeration<br></br> The heat dissipation of the equipment in the computer room is a steady-state heat source, and it operates continuously throughout the year. This requires an uninterrupted air-conditioning gPﰨ2䀀湠癐

01/03/2023

How does Solenoid Coil Work?

Solenoid coils are built using the presence of a magnetic field around a wire. It is wound in a spiral shape to strengthen the magnetic field, i.e.

06/29/2020

What is the cause of compressor pipeline vibration

08/19/2020

How to solve the drainage problem of window air conditioner

Although window air conditioners are not common in life, some consumers still use them. We should also have some understanding of window air conditioners. Compared with split air conditioners

08/29/2022

How do Circuit Breakers Extinguish Electric Arc?

The arc is a free gas with high temperature and high conductivity, which not only has a great destructive effect on the contacts

06/14/2020

This is the reason for the overheating of refrigeration compressor exhaust~!

This is the reason for the overheating of refrigeration compressor exhaust~! The main reasons for the exhaust temperature overheating are as follows: high return air temperature, large motor heating capacity, high compression ratio, high condensation pre器2䀀
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06/14/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the amount of expansion water after the system is heated. It serves as an exhaust gas in the natural circulation for the lower return system. In addition, it can also function as a constanﰸ2䀀
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01/11/2021

Japan Daikin, Hitachi and Mitsubishi Electric air-conditioning compressor comparison

First, take a look at Daikin. The use of high and low pressure cavity scroll compressor and swing compressor

06/14/2020

What cooling methods do you know Come chat!

What cooling methods do you know? Come chat! 1. Steam compression refrigeration Principle: In the vapor compression refrigeration cycle system, the compressor sucks low-temperature and low-pressure refrigerant vapor from the evaporator