© 2018 Daikin North America, LLC© 2018 Daikin North America, LLC

VRF System Innovations Contributing to Net Positive Energy BuildingsMike Ragan

© 2018 Daikin North America, LLC© 2018 Daikin North America, LLC

Ventilation Solutions – DVS DOAS

Optimized for Cold Climates – VRV AuroraOverview

© 2018 Daikin North America, LLC

VRV DVS Dedicated Outside Air System (DOAS)

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Typical Commercial Building Energy Usage

Industry 31%

Electricity79%

PPLs33%

Trans-portation

28%

Natural Gas17%

Lighting20%

Residential22% Space Heating

16%

Commercial19%

Space Cooling13%

Ventilation 11%

Water Heating 7%

0%10%20%30%40%50%60%70%80%90%

100%

U.S. Primary Energy Breakdown Commercial Buildings Energy Sources

Commercial Buildings Energy Use Breakdown

Balance Ventilation Effectiveness VS. Cost/Efficiency

On-Site Renewables 1%Petroleum/Coal 3%

© 2018 Daikin North America, LLC

VRV DVS Dedicated Outside Air System (DOAS)

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§ Decentralized split system approach to ventilation§ Designed for use with VRV HR units to provide outside air (decoupled or integrated)§ Available in nominal 1000, 2000 & 3000 CFM sizes

VRV Heat Recovery

VRV DOAS

Offices Schools Retail

1-3 Story Low Rise Buildings

Target Applications

Other Commercial Buildings

© 2018 Daikin North America, LLC

VRV DVS Dedicated Outside Air System (DOAS)

§ Entering temperature up to 120°F

§ Controls to a specific Discharge Air Temperature from DX Coil

§ Controls to a Discharge Air Temperature from reheat coil (neutral air)

§ Minimum entering air temperatures:

§ 23°F during heat pump operation

§ -20°F with gas heat (optional)

§ Discharge air temperature can be set to provide neutral air

§ Smaller auxiliary heat or no auxiliary heat in some areas

Cooling Operation

Heating Operation

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© 2018 Daikin North America, LLC© 2018 Daikin North America, LLC

Ventilation Solutions – DVS DOAS

Optimized for Cold Climates – VRV AuroraOverview

© 2018 Daikin North America, LLC

VRV Aurora – Optimized for Cold Climates

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Innovation optimized for cold climates § 1st VRF system to provide heating down to -22°F

as standard§ High heating capacity

§ Up to 100% of nominal at 0°F§ Up to 85% of nominal at -13°F§ Up to 60% of nominal at -22°F

§ New Daikin K-type inverter scroll compressor for improved heating and part-load operation

§ Hot gas coil circuit eliminates drain pan heaters§ Continuous heating during defrost / oil return

© 2018 Daikin North America, LLC

VRV Aurora – Optimized for Cold Climates

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Increased Performance in Low-Ambient Conditions

Performance MetricRange (All Sizes)

Non-Ducted DuctedEER 12.3 - 15.8 11.7 - 13.7

Heating COP 3.68 - 4.3 3.44 - 3.68

Heating COP @17F 2.2 - 2.5 2.13 - 2.3

IEER 21.1 - 24.8 18.6 - 20.8

SCHE 24.9 - 26.7 19.7 - 23.8

Energy-Efficient Systems Designed for Green Buildings

© 2018 Daikin North America, LLC