McQuay MDS300B Guia de Instalação descarregar pdf (Página 10)

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Design & installation Guide For McQuay MDS Multi System

1.3 Main features

1.3.1 Wide range and stepless capacity modulation

■ Wide capacity modulation range（10%-100%) ；

■ According to changing the ratio of “loading time”and “unloading time, MDS can modulate

the capacity steplessly；

■ Lower the energy consumption and running cost.

1.3.2 Accurate temperature control and quick response.

■ The cooling/heating capacity of the indoor units is controlled by the EXV,

which ensure the low temperature fluctuation of ± 0.3℃;

■ Stepless capacity modulation;

■ Quick response to output the capacity (40s).

1.3.3 Simple, reliable and long life

■ The PWM valve has the longevity of 40 million times

■ Wide range of capacity modulation makes sure

the start/stop times reduces

■ Less components

■ No complicate inverter controller

■ The compressor has an excellent oil return

performance, there is no need for the oil return

circuit

■ Even the units run in 10% part load, the MDS

system can be in good stage.

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McQuay MDS300B Guia de Instalação Página 10