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Absorption Chillers and Heat Pumps

YHAU CW

Cool. Cap.: 422 - 14065 kW, Double Effect Medium Pressure Steam Fired

Compared to conventional designs, the YHAU-CW Double-Effect Steam Fired absorption chiller uses an innovative two-step evaporator and absorber cycle that splits the absorption process into two steps, similar to how a seriescounter-flow arrangement splits the work between two chillers. This, along with the parallel flow cycle, enables lower lithiumbromide solution concentrations, which reduces crystallization risk, reduces the potential for corrosion and improves efficiency, in conjunction with these advanced components:

Low- and high-temperature solution plate heat exchangersthat optimize efficiency by enabling effective heat transfer between the diluted and the concentrated lithium-bromide solutions.

Refrigerant drain plate heat exchanger(high-efficiency model only) that utilizes the heat of the warm refrigerant, saving energy.

Steam (condensate) drain coolerthat uses remaining heat from the condensate heat exchanger to preheat dilute lithiumbromide solution going to the generator, which reduces steam consumption.

Variable-frequency drive (VFD) solution pumpthat provides superior part-load performance to reduce steam consumption verses constant speed pumps.

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