Danfoss Compressor SZ147A4YH

08/18/2020

Precautions for the selection of fan coils for large central air conditioners

The fan coil unit is an important component in a large central air-conditioning system. Its selection will directly affect our usage, such as cooling effect, power consumption, noise impact, etc.

09/07/2020

How to choose the first flange sealing surface form of the pressure vessel using flange connection

The flange welded by the connecting pipe on the pressure vessel cylinder to the flange is the first flange connected to the pressure vessel flange, and the flange that is matched with it is not counted as the first flange, and other flanges.

06/28/2020

Hitachi compressor model sample parameters

Hitachi compressor model sample parameters W Cooling Capacity Btu/h COP (A) Compressor (B)

07/14/2020

Expansion valve working principle and correct maintenance

Expansion valve working principle and correct maintenance Let me talk about commonly used ones, such as Danfoss danfoss expansion valve, Emerson EMERSON expansion valve (Aike ALCO expansion valve), Spoland SPOLAN expansion valve, etc.

06/14/2020

Haikou exploded, the central air conditioner was back

Haikou exploded, the central air conditioner was back, was it wrong Since 2020, the safety of the use of central air conditioning has been widely concerned. From the clustered infections in closed places during the epidemic to the explosion accident in H器2䀀
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06/30/2020

Common faults and causes of compressors

Common faults and causes of compressors Common compressor failures are as follows: 　　L. The compressor cannot start normally 　　 The power supply voltage is too low, the motor circuit is poorly connected, or the exhaust valve is leaking, resulting in too high pressure in the crankcase. The energy regulation mechanism has failed.

07/19/2020

On the cause of the chiller compressor burning down

On the cause of the chiller compressor burning down During the use of the chiller, sometimes the irresistible external force or misoperation will cause the compressor to burn out. Once the compressor is found to be burned, it must be stopped immediately to avoid damage to other parts.

06/14/2020

The Package of Compressor and H series Gas Turbine

The Mitsubishi Hitachi Power Systems H-100 100 MW Class twin shaft gas turbine is ideally suited as a main refrigeration compressor driver for 4 to 6 mtpa LNG plant

08/25/2020

For an air conditioner with a heating power of 1390W+1050W, what is the power consumption for 1 hour of heating

Time flies, the air conditioner has just been out of service for two months, and it’s time to start using it again. With air-conditioning, our biggest concern is power consumption. After all, everyone is not rich.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start