EMERSON Controller Module APPFR14C30M1

07/07/2020

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

06/14/2020

Axial compressor

Axial compressors and centrifugal compressors are both speed type compressors and are called turbo compressors. The meaning of speed type compressors is that their working principle relies on the blades to work on the gas, and the flow speed of the gas ca器2䀀
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06/24/2020

What's wrong with the freezer not cooling

There are four main reasons: the first is the lack of refrigerant and the compressor has problems; the second is the problem of the power cord of the freezer; the third is the frost in the evaporator of the freezer; the fourth is that the storage in the freezer is too full. Of course, no matter what the reason is, you should find a professional to help repair the loophole or add refrigerant.

07/16/2020

Vacuum leak test method for small cold storage equipment

Refrigeration systems with evaporating pressure gauges close to or below atmospheric pressure must be tested for vacuum leak tests, leaving the refrigeration equipment under proper vacuum for a certain period of time, reflecting and observing whether air has penetrated into the system from the reading of the vacuum pressure gauge for inspection The sealing performance of the cold storage equipment system.

08/14/2020

How to pay attention to fire safety during construction and maintenance of cold storage

The serious lessons from cold storage fires in various places show that the fire accidents in New Jersey cold storage mainly occurred during the construction and maintenance of the warehouse.

03/07/2023

Selection Guide of Air Cylinder: Types and Characteristics

Air cylinder is used in many positioning, driving and clamping applications.

08/03/2020

Can a low-power air conditioner use a five-hole socket

Five-hole socket and three-hole socket<br></br> 　　 The five-hole socket we usually talk about refers to the wall socket with a rated power of 10A; the three-hole socket refers to the wall socket with a rated power of 16A.

08/08/2020

How to adjust the refrigerator temperature Tips for saving power on refrigerators

How to adjust the refrigerator temperature Tips for saving power on refrigerators Due to the large temperature difference between summer and winter, in order to save electricity and ensure the quality of food freezing, it is necessary to adjust the temper–ﰨ2䀀湠疖VǜV
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03/04/2023

Test and Diagnosis of Cylinder Sealing

Cylinder sealing is guaranteed by engine piston group, valve and valve seat, cylinder head, cylinder block, cylinder gasket and other parts.

09/04/2020

Factors affecting the use of oil-free air compressors

The oil-free air compressor is the main body of the air source device. It is a device that converts the mechanical energy of the prime mover into gas pressure energy and is a pressure generating device for compressed air. The factors that affect its use are: