Mitsubishi PFFY-NRMU-A Specifications download pdf (Page 37)

PWFY OVERVIEW (Hydronic Heat Exchanger)

Hot and cold water,

quickly and efficiently.

PWFY: Hydronic Heat Exchanger

The PWFY Hydronic Heat Exchanger is available in two

configurations, the HEX (-AU) and the Booster (-BU). Each

provides unique solutions to incorporate into an existing VRF

system for an efficient means to heat and cool water.

The PWFY Hydronic Heat Exchanger is a closed–circuit water

heater that works with the Y-Series and R2-Series outdoor

units. The system can produce cool water to 50˚ F and heat

water up to 115˚ F and is available in capacities of 36,000

and 72,000 Btu/h. The Booster unit can produce hot water

up to 160˚ F and is available in a capacity of 36,000 Btuh.

HEX unit (-AU)

(Compatible with the Y- and R2-Series)

• Heats water to 115° F

- Hydronic heat exchanger transfers energy from

refrigerant to water

- Can be used to recover waste heat from cooling

operation to water when combined with the R2

system, resulting in large energy savings

- Applications include radiant heating, snow melt,

reheating air, preheating hot water and more

• Cools water to 50° F

- Can be used for cooling outside air, cooling pool

water, misting stations, process cooling, drinking water

and more

• Unit is not suitable for direct potable water flow

• Connectable only with CITY MULTI modular R2, Y, WR2

and WY systems

• Y-strainer included

• Uses PAR-W21MAA to control operation

PAR-W21MAA

WATER HEATING

PWFY-P72NMU-E-AU

(Hex)

PWFY-P36NMU-E-BU

(Booster)

Available sizes: 36,000 & 72,000 Btu/h

Booster unit (-BU)

(Compatible with R2-Series)

• Heats water to 160° F

• Hydronic heat exchanger transfers energy from

refrigerant to water

• Can be used to transfer waste heat from cooling

operation to water, resulting in large energy savings

• Applications include radiant heating, hot water

preheating, melting snow, reheating air, warming pools,

and more

• Unit is not suitable for direct potable water flow

• Includes R134A compressor circuit for boosting water

temperature

• Connectable only with modular CITY MULTI R2 and

WR2 systems

• Y-strainer included

• Uses PAR-W21MAA to control operation

The Hydronic Heat Exchanger offers the flexibility to meet the

needs of almost any commercial application. The ability of

the HEX to heat water up to 115

F makes it ideal for in–floor

radiant heating, snow melt, domestic hot water preheating,

and hot water preheating. The ability of the Booster to heat

water up to 160

F makes it ideal for hot water heating for

hydronic coils, perimeter radiant heat, and commercial

kitchen domestic hot water. Both systems create hot water

efficiently either through the use of the INVERTER drive

compressor or through reclaimation of waste heat from the

cooling cycle.

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Mitsubishi PFFY-NRMU-A Specifications Page 37

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