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04 2018-06

HVAC pump selection

A device that drives water to circulate in a chilled water circuit. We know that the end of the air conditioning room (such as fan coils, air handling units, etc.) needs the cold water provided by the chiller, but the chilled water will not naturally flow due to the restriction of the resistance, which requires the pump to drive the chilled water to circulate in order to achieve the exchange. The purpose of heat.

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04 2018-06

HVAC common design misunderstanding

The design of the HVAC design plays an extremely important role in the HVAC project. It is directly related to the success of the project. Although the quality of design personnel has been greatly improved in the design drawings since the implementation of the construction plan review system, there are still problems in the design process.

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04 2018-06

HVAC design flow

Calculate the maximum hourly heat load of the building (consider the coefficient of use at the same time, safety factor): Considering the load characteristics and adjustment performance, after the technical and economic comparison, select the heat source equipment (steam boiler, pressureless hot water boiler, vacuum hot water boiler, etc.) Type, quantity and specification model.

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04 2018-06

HVAC installation and construction of common problems

During the installation of HVAC, the positioning problem of pipelines and equipment is the most common problem. The classification of pipelines can be carried out according to its performance characteristics and uses, mainly including water supply, drainage, and middle water pipelines, heat, Gas, air ducts, power distribution lines, etc.

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