3-Pipe Cooling and Heating FSV-EX MF3 Series
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3-Pipe Cooling and Heating FSV-EX MF3 Series
For simultaneous heating and cooling



Features
Cooling/Heating kW (rated) |
22.4/25.0 |
28.0/31.5 |
33.5/37.5 |
40.0/45.0 |
45.0/50.0 |
Cooling/Heating Btu/h (rated) |
76,500/85,300 |
95,600/107,500 |
114,300/128,000 |
136,500/153,600 |
153,600/170,600 |
Model No. |
U-8MF3R7 |
U-10MF3R7 |
U-12MF3R7 |
U-14MF3R7 |
U-16MF3R7 |
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Simultaneous Heating and Cooling Operation
・ Office buildings with diverse room temperatures due to the different amounts of direct sunlight received
・ Buildings with computer/business equipment rooms requiring year-round cooling
・ Hotels and other facilities where heating and cooling are used simultaneously

Extraordinary Energy-Saving Performance

Key Technologies for Excellent Energy Savings
Multiple Large-capacity All-Inverter Twin Compressors

Enlarged Heat Exchanger Surface Area

Energy Saving and Comfortable Air Conditioning
Oil Management System for Energy Saving and Comfortable Air Conditioning

Variable Evaporation Temperature for Energy Saving and Comfortable Air Conditioning

Demand Response Ready
Simple Demand Response
A demand control terminal is available to control 0-70-100% of capacities.

Flexible Demand Response

High Durability
Extended Operating Range
Note: Cooling/heating capacity depend on indoor/outdoor temperature. Please refer technical databook.

Rust-resistant and Easy to Maintain

Reliable Operation
Extended Compressor Life by Uniform Compressor Operation Time

Automatic Backup Operation in the Case of Compressor Failure or Outdoor Unit Malfunction

Highly Flexible Installation and Design
・ Actual piping length 200 m.
・ Elevation difference of maximum 50 m in case of outdoor unit is higher than indoor unit.
・ Maximum 15 meters height difference between indoor units.
・ Up to 40 m piping after first branch.
・ Up to 52 indoor units connectable.
・ Connectable maximum allowable indoor / outdoor capacity ratio up to 150%.
・ External static pressure of 80 Pa.

Specs
R410A
Inverter
DRED ready
Heat Recovery
Wide range of systems from 8 HP to 48 HP
Class-leading COP of 4.87 (cooling) and COP of 5.09 (heating) (for 8 HP model)
Cooling operation possible with outdoor temperatures as high as 52˚C (DB)
Operating range to provide heating at outdoor temperatures as low as -20˚C WB
Long maximum piping length (up to 500 m)
Up to 52 indoor units connectable