Danfoss Compressor SM120A4RY

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

06/27/2020

Compressor installation

　　　　　　　　　　　　　　 Chapter 1 General Provisions 　　 Article 1 This chapter is applicable to the installation of reciprocating piston type, screw type, vane type and membrane type positive displacement compressors.

03/17/2021

Several common faults in the spindle drive system of CNC machine tools and how to repair it?

When the vertical machining center supporting FANUC6 system is working, the machine tool vibrated severely, and the AC spindle drive displayed AL-04 alarm. During the vertical machining center supporting FANUC6 system is working, the machine tool vibrates severely, and the AC spindle drive displays AL-04 alarm.

06/14/2020

Screw compressor working principle and structure analysis

1. Features of screw compressor The screw-type refrigeration compressor has a simple structure and a small number of parts.

08/10/2020

Energy saving tips for air purifiers you should know

As the smog hits in recent years and the air quality continues to decline, air purifiers have gradually become essential household appliances in people's homes. Experts suggest that the air purifier should be turned on for 24 hours.

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.

07/20/2020

Air conditioning sensor principle and application

The temperature sensor used in air conditioning mainly uses a negative temperature coefficient thermistor (also known as NTC thermistor). The temperature sensor is made of manganese, cobalt, nickel, copper and other metal oxides as the main materials,

01/06/2021

Advanced frequency conversion technology of Mitsubishi Electric central air conditioner

Advanced frequency conversion technology of Mitsubishi Electric central air conditioner Advanced-frequency-conversion-technology-of-mitsubishi-electric-central-air-conditioner Since 1952, Mitsubishi Electric has entered the field of semiconductor rese器2䀀
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08/12/2020

Precautions when handling industrial chiller refrigerant

1. Before starting the refrigeration compressor of the chiller to pump the refrigerant, short-circuit the contacts of the pressure relay and the oil pressure difference relay on the refrigeration compressor control circuit.

06/14/2020

What to do if the screw chiller compressor is damaged

The compressor is the core component of the chiller. Damage to the compressor is a serious fault that needs to be dealt with in time, otherwise the chiller will not work. Today, the editor will introduce the knowledge and process of handling damaged screw器2䀀