McQuay MDS300B Especificaciones descargar pdf (Pagina 15)

Page 14

Reliable

MDS system adopts the advantaged capacity modulation technology to reduce the control devices, which

reduce the malfunction odds mostly.

MDS system has excellent oil return performance even at low capacities, which will make sure that all of the

removable parts of the compressor can be lubricated and cooled down. Thus, the compressor remains

reliable throughout operation.

It reduces the start/stop times, which will reduce the attack to the electricity supply net.

The PWM (Pulse Width Modulation) valve has the longevity of 40 million times.

The design is simple and there is no requirement for bypass valve.

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Simple

Simple Maintenance

Even if the MDS system has some malfunctions, the maintenance is very easy. Because the control devices

are simple and only a few devices need maintenance. When there are some malfunctions in one zone, they do

not affect the operation in other zones.

Malfunction Auto-diagnosis and Alarm

MDS system provides the unique function of malfunction auto-diagnosis and alarm, which can make sure that

the units can run more reliably.

The comparison between MDS system and inverter system

Inverter system MDS system

Microprocessor Multi Single

Solenoid Multi Single

Gas bypass system Required Not required

Liquid bypass system Required Not required

Electromagnetic suppression Required Not required

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McQuay MDS300B Especificaciones Pagina 15