Danfoss Compressor DSH090A3ABL

08/11/2020

8 main points of HVAC field construction experience

1. Equipment installation<br></br> 　　 1. The installation location of the air-conditioning host should be convenient for inspection and repair, and should not affect its use function, especially pay attention to heat dissipation.

08/05/2020

The air source heat pump fan is attached to the air conditioner to assist in the cooling and heating function

In the process of accelerating the promotion and implementation of the "coal-to-electricity" project for heating in northern rural areas, as an upgraded form of ordinary heating and cooling air conditioners

09/07/2020

Air compressor alarm mechanism, how much do you know

As a mechanical equipment for manufacturing compressed air, air compressors are inevitable due to long-term operation. If the air compressor fails, it will affect the production of the user enterprise and cause losses.

01/10/2025

What is the fault code E57 displayed during the use of Mitsubishi Heavy Industries' Haier air conditioner General failure

What is the fault code E57 displayed during the use of Mitsubishi Heavy Industries' Haier air conditioner General failure Mitsubishi Heavy Industries Haier Air Conditioner is a central air conditioner produced by a large electric appliance group Haier 器2䀀
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08/13/2020

Lubrication method of screw chiller internal components

If the compressor lubrication system of the screw chiller is better, it can reduce the friction, friction heat and wear of the parts of the compressor, better improve the mechanical efficiency of the compressor

06/29/2020

Compression ratio of American Copeland compressor

07/25/2020

Problems and case analysis of electronic expansion valve and four-way valve

Judge the quality of electronic expansion valve:<br></br> Step one (see): Whether the wiring is in place and whether the wiring is damaged.<br></br> Step two (listening): After power-on, there is a "click" normally, check whether the coil is in place;

06/14/2020

Special program for Trane screw machine RTHA RTHB RTHC RTHD

Special program for Trane screw machine RTHA RTHB RTHC RTHD 1.Increase the maximum operating load limit of the unit; 2.Increase the protection resistance output; 3.Increase the refrigerant temperature protection; 4.Increase the oil temperature soﰸ2䀀
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08/08/2020

Knowledge of central air conditioning thermostat

Knowledge of central air conditioning thermostat The principle of central air-conditioning is the same as that of household air-conditioning, and its purpose is to set the room temperature according to the comfort of the owner.

07/07/2020

The aging of air conditioners caused fires. The heat is coming.

The aging of air conditioners caused fires. The heat is coming. Are your home appliances overaged? The police reminded: As summer is approaching, we should pay attention to the service life, quality and installation environment of household appliances. The wires of many electrical appliances are mainly insulated by a layer of rubber on the outside.