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© 2005 Daikin AC

U.S. InstallsU.S. Installs

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© 2005 Daikin ACSlide 2Presentation Title : Presenter Name : Date Page 2 © 2005 Daikin AC

© 2005 Daikin ACSlide 2

United States

VRV Installations

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© 2005 Daikin ACSlide 3Presentation Title : Presenter Name : Date Page 3 © 2005 Daikin AC

© 2005 Daikin ACSlide 3

Location Clarksville, TN Architect Violette Architecture Engineer WBW Engineering Sq Footage 7,000 s.f. Daikin VRV 32 tons VRV

BlueHole Lodge- Daikin VRV First Test Site 2001

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Before…

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© 2005 Daikin ACSlide 5Presentation Title : Presenter Name : Date Page 5 © 2005 Daikin AC

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During…

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Upper and lower floor storage as used mechanical space

During…

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© 2005 Daikin ACSlide 7Presentation Title : Presenter Name : Date Page 7 © 2005 Daikin AC

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© 2005 Daikin ACSlide 8Presentation Title : Presenter Name : Date Page 8 © 2005 Daikin AC

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Sq Footage 7,000 s.f. Daikin VRV 32 tons VRV

After…

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© 2005 Daikin ACSlide 9Presentation Title : Presenter Name : Date Page 9 © 2005 Daikin AC

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© 2005 Daikin ACSlide 10Presentation Title : Presenter Name : Date Page 10 © 2005 Daikin AC

© 2005 Daikin ACSlide 10

Owner Owensboro Christian Church Location Owensboro, KY Architect RBS Design Group Engineer Waldron, Batey & Wade Sq Ft 34,000 s.f. Daikin VRV 80 Tons

Family Life Center 2005 - Renovation of Gym / Wellness Addition

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© 2005 Daikin ACSlide 11Presentation Title : Presenter Name : Date Page 11 © 2005 Daikin AC

© 2005 Daikin ACSlide 11

Family Life Center Addition

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© 2005 Daikin ACSlide 12Presentation Title : Presenter Name : Date Page 12 © 2005 Daikin AC

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SECOND LEVELFIRST LEVEL

Wellness

Daycare/Classrooms

Lockers

Gym

Mech Track

Entrance FLOOR PLAN

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© 2005 Daikin ACSlide 14Presentation Title : Presenter Name : Date Page 14 © 2005 Daikin AC

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Owner Daviess Co. Board of Education Location Owensboro, KY Architect Collignon & Nunley Engineer WBW Engineering Sq Footage 10,000 s.f. Daikin VRV 32 Tons

Daviess Co. Learning Center 2005RenovationEducational

Facility

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© 2005 Daikin ACSlide 15Presentation Title : Presenter Name : Date Page 15 © 2005 Daikin AC

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Daviess County Learning Center

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© 2005 Daikin ACSlide 16Presentation Title : Presenter Name : Date Page 16 © 2005 Daikin AC

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© 2005 Daikin ACSlide 17Presentation Title : Presenter Name : Date Page 17 © 2005 Daikin AC

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NEW Christian County Elementary School

Hopkinsville, Kentucky

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© 2005 Daikin ACSlide 18Presentation Title : Presenter Name : Date Page 18 © 2005 Daikin AC

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Christian County Elementary School 2006

FLOOR PLAN

Features

Hopkinsville, Kentucky

Daikin KW study VRV vs Geothermal

Daikin VRV System 93,000 Sq. Ft. 350 Tons Heat Recovery 41 Outdoor Units 200 Indoor Units Advanced Controls Power KW monitoring Low running cost & Low Maintenance costs Daikin System saved 900k on total construction cost

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© 2005 Daikin ACSlide 19Presentation Title : Presenter Name : Date Page 19 © 2005 Daikin AC

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Indoor Unit

Outdoor Unit

Refrigerant

Piping

Typical Classroom LayoutDesign

Daikin VRV System (Heat Recovery)

Classrooms can Simultaneous Heat & Cool

Three (3) Classrooms per One (1) Outdoor Unit

Lower Background Noise (better speech intelligibility)

No Ductwork or Equip. platforms required

Easy & Fast Installation Superior Student comfort

Daikin VRV = True Energy Savings Christian County Elementary School 2006

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© 2005 Daikin ACSlide 20Presentation Title : Presenter Name : Date Page 20 © 2005 Daikin AC

© 2005 Daikin ACSlide 20

Christian County Elementary SchoolHopkinsville, Kentucky

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© 2005 Daikin ACSlide 21Presentation Title : Presenter Name : Date Page 21 © 2005 Daikin AC

© 2005 Daikin ACSlide 21

Owner Malcolm Bryant Corp Location Owensboro, KY Tenant RDI Architect RBS Design Group Engineer WBW Engineering Sq Footage 27,000 s.f. Daikin VRV 90 Tons

Radiology & Diagnostic Imaging 2004

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© 2005 Daikin ACSlide 25Presentation Title : Presenter Name : Date Page 25 © 2005 Daikin AC

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Year 2003 Owner Independence Bank Location Owensboro, KY Architect Collignon & Nunley Engineer WBW Engineering Contractor Ernie Davis & Sons Sq Ft 31,000 s.f. Daikin VRV 104 Tons

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© 2005 Daikin ACSlide 27Presentation Title : Presenter Name : Date Page 27 © 2005 Daikin AC

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Independence Bank

4th of July 2003

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© 2005 Daikin ACSlide 32Presentation Title : Presenter Name : Date Page 32 © 2005 Daikin AC

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© 2005 Daikin ACSlide 33Presentation Title : Presenter Name : Date Page 33 © 2005 Daikin AC

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© 2005 Daikin ACSlide 34Presentation Title : Presenter Name : Date Page 34 © 2005 Daikin AC

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© 2005 Daikin ACSlide 35Presentation Title : Presenter Name : Date Page 35 © 2005 Daikin AC

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© 2005 Daikin ACSlide 36Presentation Title : Presenter Name : Date Page 36 © 2005 Daikin AC

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© 2005 Daikin ACSlide 37Presentation Title : Presenter Name : Date Page 37 © 2005 Daikin AC

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© 2005 Daikin ACSlide 38Presentation Title : Presenter Name : Date Page 38 © 2005 Daikin AC

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Hilton Garden Inn, Richardson TX

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© 2005 Daikin ACSlide 39Presentation Title : Presenter Name : Date Page 39 © 2005 Daikin AC

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Hilton Garden Inn, Richardson TX

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© 2005 Daikin ACSlide 40Presentation Title : Presenter Name : Date Page 40 © 2005 Daikin AC

© 2005 Daikin ACSlide 40

Hilton Garden Inn, Richardson TX Equipment Overview:

4 Story Hotel made with ICF construction 153 Guest rooms featuring fir-down ducted model FXDQ Simplified controllers 3 I-Touch Controllers with web-enabled software FXSQ used in lobby and conference rooms 144 Tons of VRV Heat Pump & Heat Recovery Condensing units on the ground in 3 different pods AAON outside air unit used to introduce fresh air into the

hallways and commons area, which created a positive pressure in the guest rooms

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© 2005 Daikin ACSlide 41Presentation Title : Presenter Name : Date Page 41 © 2005 Daikin AC

© 2005 Daikin ACSlide 41

Installation Issues Inconsistent & Untrained HelpDon’t assume Contractor has remembered

everything from TrainingLeaks, wiring (power & communication)Trim charge was not calculated (VRV-II)Sufficient leak testing was not performedAllow for sufficient piping length after 90 (20”) and

40” after refnet to avoid turbulence and other piping guidelines – needed to design with headers

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© 2005 Daikin ACSlide 42Presentation Title : Presenter Name : Date Page 42 © 2005 Daikin AC

© 2005 Daikin ACSlide 42

Estimated Cost Savings $500/window, grill, PTAC sleeve savings $75/room drapes (weighted) savings Up to $1.80/sq ft rebates possible per The Federal Tax credit

program (includes envelope, lighting and HVAC) Electrical service requirement reduction possible from 7,500

amp to 3,000 amp, (includes the 30 amp PTAC circuit savings)

**Preliminary first cost: $725,000 or $5,034/ton (Installed, including AAON make-up air unit)

Uncalculated savings but feasible: Access space around the PTAC Air leakage Moisture control (total room remodel every 30 months) Noise abatement through the PTAC grill Condensate drain savings on PTAC’s

Hilton Garden Inn, Richardson TX

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© 2005 Daikin ACSlide 43Presentation Title : Presenter Name : Date Page 43 © 2005 Daikin AC

© 2005 Daikin ACSlide 43

Welcome to EnergyWise Structures___ The Home of Ultra Energy Efficient Engineering.htm The Hilton Garden Inn in Richardson, Texas with

86,401 square feet was engineered by EnergyWise and is saving over $6,000 per month!

As a new construction project, we implemented the complete EnergyWise program resulting in an energy tax credit of $1.80 per square foot in addition to engineering an ultra energy efficient, healthy hotel. Typical hotels of similar footprint in the chain are averaging $9,504 per month in heating and cooling. The EnergyWise guarantee not to exceed is just $3,456, a savings of over $6,000 every month!

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© 2005 Daikin ACSlide 44Presentation Title : Presenter Name : Date Page 44 © 2005 Daikin AC

© 2005 Daikin ACSlide 44

Staybridge Suites, Irving TX

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© 2005 Daikin ACSlide 45Presentation Title : Presenter Name : Date Page 45 © 2005 Daikin AC

© 2005 Daikin ACSlide 45

Staybridge Suites, Irving TXAt a Glance:

4 Story hotel with 100 guest rooms 100 9,000 BTU split systems 16 seer slim ducted indoors 30 tons of VRV for the common areas (17 indoor units) Two AAON units used for outside air

Opened late November

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© 2005 Daikin ACSlide 46Presentation Title : Presenter Name : Date Page 46 © 2005 Daikin AC

© 2005 Daikin ACSlide 46

Santa Fe A-Lofts Hotel, Dallas TX

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© 2005 Daikin ACSlide 47Presentation Title : Presenter Name : Date Page 47 © 2005 Daikin AC

© 2005 Daikin ACSlide 47

Santa Fe A-Lofts Hotel, Dallas TX

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© 2005 Daikin ACSlide 48Presentation Title : Presenter Name : Date Page 48 © 2005 Daikin AC

© 2005 Daikin ACSlide 48

Santa Fe A-Lofts Hotel, Dallas TX At a Glance:

10-story hotel – Engineered by Sam Toub Retrofit of an old warehouse used for Santa Fe Railway 338 tons Daikin VRV Heat Recovery for Guest Rooms 44 tons Daikin VRV Heat Pump for Common Areas 193 Guest rooms Concealed Ceiling Units (FXSQ) in each room FXSQ, FXFQ, FXHQ and FXAQ indoor units serving

common areas and meeting rooms Opening Date: July 2009

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© 2005 Daikin ACSlide 49Presentation Title : Presenter Name : Date Page 49 © 2005 Daikin AC

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© 2005 Daikin ACSlide 50Presentation Title : Presenter Name : Date Page 50 © 2005 Daikin AC

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© 2005 Daikin ACSlide 51Presentation Title : Presenter Name : Date Page 51 © 2005 Daikin AC

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© 2005 Daikin ACSlide 52Presentation Title : Presenter Name : Date Page 52 © 2005 Daikin AC

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© 2005 Daikin ACSlide 53Presentation Title : Presenter Name : Date Page 53 © 2005 Daikin AC

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Biddeford City Hall, Maine 2x 8 ton VRV + 1x 3- ton VRV-SPrimary Hot Water Coil Integration

2 x 8ton VRV H/P & 1 x 4ton VRV-s

Ambient temperature sensor (left)& thermostat tied in ABC terminals

Hot water coils connected with indoor units

Boiler system for hot water coils and other radiator heaters

Zone valve for hot water coil controlled

by KRP1B

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© 2005 Daikin ACSlide 54Presentation Title : Presenter Name : Date Page 54 © 2005 Daikin AC

© 2005 Daikin ACSlide 54

New Construction (interior is under construction) Installed the VRV-s system as both cooling and heating

systems To save energy cost, the VRV heat pump system will be used

as long as possible. Fuel cost is getting higher.• Ambient thermostat that is set setpoint as 20F will lockout

heat pump• It also kick on heat pump with a suitable differential (+10F?)

The zone valve for the hot water coil is controlled by the KRP1B adapter that is installed in the indoor unit.

• While heat pump is locked out, the valve is controlled as a primary heater. (+/- 1F basis)

• Otherwise in the heating mode, it is controlled as an AUX heater. (7.2F differential basis)

• 7.2F basis might work well if heat pump lock out temperature, 20F, is suitable for this project; this means that the heat pump can afford to heat up 7.2F temperature differences.

The end switch, it will be on when the valve fully opens, on the zone valve kicks on the boiler. And boiler circulate the hot water and maintain its temperature.

Lennox ducted split system with hot water coil that controls three zone dampers is also installed. This system covers lower side of the house and the VRV system covers upper side.

• If we had the residential AHU, we could cover this parts. The zoning might be crucial though.

O’Connell Residence Martha’s Vineyard, Massachusetts1x 4 ton VRV-SPrimary Hot Water Coil Integration (case study #3)

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© 2005 Daikin ACSlide 55Presentation Title : Presenter Name : Date Page 55 © 2005 Daikin AC

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Hot water

Boiler

Zone #1

Zone Valve

Ambient Thermostat

KRP1B

Zone Valve

Zone #2

Zone #3

Floor Radiant Heater for bathrooms

Below 20F, BC terminal on the outdoor unit PCB is shorted

One of the end switches kicks on the boiler

Hot water coil

Indoor unit

Zone valve

Zone valves for Floor Radiant Heater

Hot water coil

Indoor unit

Boiler Room in the attic

Mechanical closet in the room

CS #3 (cont’d)

Boiler circulates hot water and, heats it up instantly

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© 2005 Daikin ACSlide 58Presentation Title : Presenter Name : Date Page 58 © 2005 Daikin AC

© 2005 Daikin ACSlide 58

MIT Fusion LabCambridge, MA 8 Ton VRV Heat Recovery 5 zonesNeed: Temperature tolerances. Proton Beam Fusion Lab

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© 2005 Daikin ACSlide 59Presentation Title : Presenter Name : Date Page 59 © 2005 Daikin AC

© 2005 Daikin ACSlide 59

Daikin Successes- MIT Proton Beam Fusion Lab

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© 2005 Daikin ACSlide 60Presentation Title : Presenter Name : Date Page 60 © 2005 Daikin AC

© 2005 Daikin ACSlide 60

Daikin Successes- MIT Proton Beam Fusion

Laboratory-Opportunity Need to provide individual

temperature control in laboratory.

Provide greater precision of temperature control vs. the existing cooling system.

Provide heat or cooling as required simultaneously in support areas.

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© 2005 Daikin ACSlide 61Presentation Title : Presenter Name : Date Page 61 © 2005 Daikin AC

© 2005 Daikin ACSlide 61

Harvard University

ProfileResidential Housing renovation.Multiple VRV-S systems.Upgrade of HVAC system.High energy efficiency.Field test site verification by Harvard of Daikin

VRV. Consideration for future designs in process.

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© 2005 Daikin ACSlide 62Presentation Title : Presenter Name : Date Page 62 © 2005 Daikin AC

© 2005 Daikin ACSlide 62

Harvard University Residential Housing

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© 2005 Daikin ACSlide 63Presentation Title : Presenter Name : Date Page 63 © 2005 Daikin AC

© 2005 Daikin ACSlide 63

Gibbs College

1x 8 Ton VRV

7x FXAQ12

2x FXFQ18

First Ever VRV Installationin Boston, MA

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© 2005 Daikin ACSlide 64Presentation Title : Presenter Name : Date Page 64 © 2005 Daikin AC

© 2005 Daikin ACSlide 64

Profile:8 Ton Heat Recovery SystemSponsored by US Dept. of EnergyAreas conditioned

LaboratoriesShelter

Goal Hold temperatures to +/- 1F.

Daikin SuccessesUniversity of Las Vegas

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© 2005 Daikin ACSlide 65Presentation Title : Presenter Name : Date Page 65 © 2005 Daikin AC

© 2005 Daikin ACSlide 65

Daikin SuccessesUniversity of Las Vegas

8 Ton Heat Recovery

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Thank you!