Mitsubishi Electric City Multi PEFY-P125VMH-E Specifications download pdf (Page 9)

Water cooled systems can be used even in buildings

that are taller than 50m by running a main water pipe

through each floor.

Any heat source system that can supply heat source

water between 10°C~45°C can be used.

Simultaneous heating and cooling operation is available.

(WR2 series)

It is suggested that Water-Cooled systems are used in the

buildings in which there are heating and cooling needs as follows.

Buildings that require all year cooling

Example,

Tenant buildings in which kitchens and offices exist together

Buildings in which equipment rooms and offices exist together

Buildings in which there are large room temperature

differences between sunny and unsunny rooms

Hotels in which there are a lot of individual operation needs

Water cooled systems are ideally suited for use in temperate and

cooler climates since heat exchange with the outside air is not

required.

Water Cooled CITY MULTI Benefits

What is Water-Cooled?

It is possible now to combine the features of VRF with a water circuit using CITY

MULTI WR2/WY. In this case the heat is rejected to a water source rather than to

the outside air.

The advantages of water cooled systems are that the water can be delivered at

optimised temperatures and volumes, which allows even greater flexibility and

increased COP.

WR2(Heat recovery type)

>A unique offering from Mitsubishi Electric

Mitsubishi Electric now offers double heat recovery operation.

The first heat recovery is within the refrigerant system. Simultaneous cooling and heating operation is available

with heat recovery performed between indoor units.

The second heat recovery is within the water loop, where heat recovery is performed between the PQRY units.

This double heat recovery operation substantially improves energy efficiency and makes the system the ideal

solution to the requirements of modern office buldings, where some areas require cooling even in winter.

E nergy Saving Technology

Director's room

Heat source unit

Meeting room

BC controller

Meeting room

Equipment room

Water piping

Heat

source

unit

Indoor units

Heat source unit

BC controller

Double heat recovery (WR2)

Heat recovery

Water

circuit

Refrigerant Circuit

Heating

Cooling

Heating

Cooling

Equipment room

CoolingHeating

Heating

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Mitsubishi Electric City Multi PEFY-P125VMH-E Specifications Page 9

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