ST IC Integrated Circuit ST7065C-QG

06/29/2020

Several causes of compressor burning

07/19/2020

Advantages of adding economizer to screw chiller

The temperature control range of the standard screw chiller is 3～35℃, and the efficiency is significantly reduced when operating under lower temperature conditions. In order to meet the temperature requirements of more industries for chillers, make the single-stage screw compressor work according to the two-stage refrigeration cycle and achieve the effect of energy saving, an economizer can be added to the unit.

07/15/2020

ZP57KUE-TFD4.8HP 60Hz (R410A) air conditioning operating conditions Emerson Copeland compressor

Today I want to introduce the Emerson Copeland compressor ZP57KUE-TFD for R410A refrigerant in 60Hz three-phase electric air conditioning. The power given in the manual of Emerson Copeland Scroll Air Conditioner Compressor is 4.8 hp, and other technical parameters can be downloaded from our company's website to download the product manual.

08/02/2020

Summary of parameters and phenomena of air conditioning refrigerationheating system

Summary of parameters and phenomena of air conditioning refrigerationheating system 1. R22 refrigeration working state parameters 　　(1) During summer cooling, the normal low pressure of the refrigeration system is between 0.4～0.59MPa.

08/05/2020

Does the fresh air system need to be turned on for 24 hours

The fresh air system is an indoor ventilation product that can continuously discharge indoor dirty air 24 hours a day, introduce fresh outdoor air at the same time, and effectively control the air volume and increase energy recovery.

07/28/2020

Method and steps to replace the refrigeration compressor

Cut off the power supply: Before replacing the compressor, be sure to cut off the power supply of the unit, otherwise there will be a risk of electric shock.

07/05/2020

Hitachi Air Energy Heat Pump Compressor

Hitachi Air Energy Heat Pump Compressor The compressor does not start and has nothing to do with the four-way valve coil heating mode Why can't the compressor of the four-way valve of the air conditioner start up after changing the heating mode? The compressor does not start and has nothing to do with the four-way valve coil heating mode.

06/14/2020

Compared with the air conditioner in the living room and bedroom, the kitchen air conditioner has no essential difference in the compressor

Small refrigeration equipment drives compressor growth It is understood that the main difference between the kitchen air conditioner and the conventional living room and bedroom air conditioner is the design of the indoor unit. There is no essential diffﰸ2䀀
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07/23/2020

Trouble and overhaul of piston refrigeration compressor

1. The refrigeration compressor cannot start normally Maintenance ideas 　　 1. First, check whether it is caused by low power supply voltage or poor connection of the motor circuit. If it is indeed that the grid voltage is too low, restart after the grid voltage returns to normal: If the line is in poor contact, the connection between the line and the motor should be detected and repaired.

01/05/2021

Screw compressors and expanders

Screw compressors and expanders From Nikola Stosic, ... Ahmed Kovacevic, in Positive Displacement Machines, 2019 Rotor proportions A general feature of screw compressors is that the pressure difference through them causes high rotor loads and 器2䀀
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