Danfoss Compressor SM161A3VZ

09/03/2020

Commonly used selection marks for compressor lubricants

1) Air-cooled piston shaft output power <20kW, select 32, 46, 100 (ambient temperature <-10 ℃ optional 32) DAA, DAB, DAC air compressor oil;

08/07/2020

Knowledge points of HVAC cold and heat source design

1.The design position of the pump in the system: Generally speaking, the chilled water pump should be located at the front end of the chiller, and the chilled water coming back from the end is pumped back to the chiller through the chilled water pump;

08/20/2020

Common sense of home appliances the correct posture for adding fluoride to air conditioners

Add fluoride if you don't agree. As long as the air conditioner is cold, the first words many friends call after sales are, should the air conditioner add fluoride? Regardless of three to seven twenty one, two hundred yuan first, is it enough?

08/17/2020

The most basic maintenance skills for air conditioner failure

1. The most basic maintenance skills for air conditioner failure 　　 The air conditioner is composed of a refrigeration system and an electrical system, and its operating state is closely related to the working environment and conditions,

08/07/2020

How to realize the variable flow regulation of the circulating water pump in the heating system

After heating metering and charging, the radiators are equipped with temperature control valves. Due to the regulating effect of the temperature control valve, the heating system changes from constant flow (that is, quality adjustment) operation to variabŒﰨ2䀀湠疌

08/03/2020

What is the key to solving the heat dissipation problem of the condenser

In the field of medical equipment, no matter what kind of equipment, users should pay attention to the maintenance and maintenance of each part after using it for a period of time.

07/07/2020

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

09/06/2020

Filter structure and material selection

Generally speaking, a filter refers to an accessory that filters impurities or gases through filter paper; according to different filtering functions, it can be divided into: oil filter, fuel filter, air filter, air conditioning filter Wait

07/29/2020

Accurate fluorine addition method for air conditioning maintenance

Accurate fluorine addition method for air conditioning maintenance Adding fluoride is a basic skill in air conditioning maintenance, and it is also a highly technical job. The following are some of the experiences that colleagues have explored in the maintenance practice, and discuss with readers

06/14/2020

Magnetic suspension refrigeration technology is expected to become the mainstream trend of refrigeration in the future

Magnetic suspension refrigeration technology is expected to become the mainstream trend of refrigeration in the future "With the elaborate construction of data center refrigeration systems,