SIEMENS Relay 3SK11121BB40

09/05/2020

What is the difference between single screw compressor and twin screw compressor

Single-screw and twin-screw manufacturing process of twin-screw is more complicated than single-screw in terms of structure, and the difference in service life and working efficiency is not very big,

07/28/2022

Troubleshooting of Vane Pump

When we use vane pumps, we often encounter some vane pump failures, but we don't know how to solve them? Let me tell you something about how to solve the vane pump failures.

07/07/2020

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

08/25/2020

Precautions for showcase

1. After the cabinet is moved, it must be placed securely and stand still for half an hour before it can be powered on. When using a supermarket display cabinet for the first time, let the empty cabinet run for 2 hours before putting the food in the box for storage.

06/14/2020

Today, a user who came to repair a display cabinet said that the compressor of the freezer sometimes works and sometimes does not work

Today, a user who came to repair a display cabinet said that the compressor of the freezer sometimes works and sometimes does not work.

08/09/2020

Regulations for the adoption of heat recovery chillers in refrigeration stations

1. For buildings that require both cooling and heating, heat recovery chillers can be selected when the technical and economic analysis is reasonable. By recovering the heat lost by the cooling water, the unit is used for air conditioning hot water or hot air preheating,

01/13/2021

Refrigerator compressor is hot and not cooling

Refrigerator compressor is hot and not cooling The structure of household refrigerator products is not complicated, generally composed of compressor, condenser, filter drier, capillary tube, evaporator and other important components connected into a loop器2䀀
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08/24/2020

Six questions about air conditioning This is what novices really need!

1. Even though the heat pump air conditioner has automatic defrosting, why the heating effect below -5℃ is not good?

08/02/2020

What should be paid attention to when using the showcase

After the cabinet is moved, it must be placed securely and stand still for half an hour before it can be powered on. When using the supermarket display cabinet for the first time, let the empty cabinet run for 2 hours before putting the food in the cabinet for storage

09/05/2020

Where does the air compressor rental market go

At the beginning of 2017, Dr. Li in the construction industry said that the international sales of construction machinery hours to leasers have reached more than 25% of the total machinery output value,