The cold machine unit is a cold and warm type air conditioner, which exchanges heat with the outside air through an air conditioner, generally a freon cooler and an air-cooled module water machine. The water-cooled unit is generally referred to as a screw water machine. The single-cool type is cooled by a cooling tower to cool the unit. Generally, it is a water machine with high energy efficiency. The selection is based on the size and use of the building. Air-cooled unit: use air (air) to exchange heat and take away heat to produce cold water and hot water
Water-cooled units: use water to cool away heat to produce cold water.
Economic and technical comparison between air-cooled heat pump unit and water-cooled heat pump unit
The initial investment of the air-cooled unit is slightly higher than the initial investment of the water-cooled unit, and the unit cooling power consumption is also slightly higher than that of the water-cooled unit. However, the annual comprehensive cost of air-cooled units is basically the same as or slightly lower than that of water-cooled units. The longer the annual running time of the chiller, the more favorable it is for the air-cooled unit. The initial investment recovery period of the air-cooled unit compared with the water-cooled unit is shorter. The amount of cooling water replenished by the water-cooled unit of the water-cooled unit of the water-cooled unit is an important factor affecting its cost. Strengthening maintenance management and reducing water consumption are important aspects of reducing the cost of water-cooled units. The air-cooled unit is suitable for medium and small systems with tight water sources in the region; the longer the annual operating hours, the more favorable the air-cooled refrigeration unit is; the annual comprehensive cost of the air-cooled refrigeration unit is lower than that of the water-cooled system, but the water-cooled system If the management is successful and the water supply is controlled below 3%, the initial investment of the air-cooled refrigeration unit compared with the water-cooled refrigeration unit is difficult to recover. HVAC - Air Conditioning - Online
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