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The ABC’s of VRF: A Green HVAC Technology
An Ideal Green School Solution
Presented by:
Fujitsu General America, Inc.
What to look for in a Green HVAC solution? What if your HVAC system could provide • Individual temperature controlled spaces • Simultaneous heating and cooling • Better comfort to occupants • Up to 30% Energy Savings
What if you could do all of this with a single system?
• An investment in a Variable Refrigerant Flow (VRF) System is an investment in your community.
• VRF is more efficient than conventional systems, providing financial savings to the school for many years.
• This state-of-the-art technology has the ability to save up to 30% on energy bills.
• Provides schools with year-round comfort, and can also provide the fresh air necessary for student health and “library” quiet operation for improved productivity.
VRF is… • Modular – Add outdoor
units to meet load. Add capacity as budget allows. Easily install in phases.
• Scalable – from as little as six-tons to hundreds of tons
• Zoned – built in zoning allows you to condition spaces at different temperatures at the same time. Condition only the space you are using at a given time
VRF is… • Centrally Controlled –
Control all independent temperature zones from a single location in addition to local control.
• Advanced Scheduled - Maximize your efficiency by applying scheduling based on changing occupancy and use
• Remotely Monitored – Monitor system operation and maintenance remotely
• Energy Savings Managed - Apply a variety of demand response solutions
• Healthier Facility • VRF systems can be integrated with fresh air
systems to ensure that air quality meets the needs of the teachers and students.
• Central Control • Powerful central control can monitor and control
individual schools, or an entire college campus, from a single location.
• Energy Savings Management • Available advanced scheduling and remote
monitoring provides convenient management of energy savings.
• Zoning
• Save energy by only heating or cooling the classrooms that are occupied. Set temperature can be pre-programmed to meet the energy budget for the school district.
• Comfort • VRF helps achieve a healthier, quieter, more
comfortable and productive learning environment. VRF HVAC system (as quiet as19 dB) creates a much better learning environment for students.
Fujitsu Energy Modeling Study Energy Modeling • Energy modeling helps building designers, engineers,
and other professionals identify a cost effective solution intended to cut annual utility costs.
• Fujitsu’s case study looks at the energy consumption impact of the VRF system relative to three typical “base-case” HVAC systems: four pipe, water source heat pump (WSHP), and variable air volume (VAV).
• The study details the building type, location, and materials used in the building construction with the purposes of estimating the building energy usage, HVAC equipment energy consumption, annual operating cost for the building and VRF equipment.
Fujitsu Energy Modeling Study The Software • The EnergyPro™ Variable Refrigerant Flow (VRF) Heat
Pump computer model is a building energy performance modeling software with a built-in manufacturer’s performance data algorithm.
• EnergyPro™ calculates the heating and cooling load required to provide comfortable climate environment in the space.
• The software performs hourly energy analysis and simulates the energy conditions of a building.
• These simulated conditions are compared to baseline building that is in compliance with Title 24, Part 6 of the California Code of Regulations for building construction or ASHRAE 90.1 standards.
Fujitsu Energy Modeling Study Fujitsu’s Design & Technical Manual • Provides the VRF equipment performance data to
determine the VRF system delivered capacity and power consumption, which will vary depending on refrigerant pipe lengths, indoor and outdoor conditions, variable speed compressor, and indoor unit rated capacity relative to the total outdoor unit rated capacity.
Fujitsu Energy Modeling Study Energy Modeling - Airstage VRF • For the school, a Fujitsu Airstage heat recovery system
was used with ceiling mounted air handling units to condition each zone.
• Each classroom was an individual zone and had its own temperature controller.
• Eleven refrigerant systems, operating on a single communication network, were modeled.
• A dedicated outside air unit was provided 26,000 cfm of outside air.
Fujitsu Energy Modeling Study Energy Modeling - Four-Pipe • The school was modeled using a chiller and boiler
serving four-pipe fan coil units. • A water-cooled screw chiller with an efficiency of 0.616
kw/ton was used. • The chiller was connected to a two-speed cooling tower
with two circulating pumps. • A condensing boiler with an
efficiency of 91.5% provided hot water for the fan coil units.
• The outside air was conditioned by the fan coil units. A single fan coil unit was installed in each zone.
Fujitsu Energy Modeling Study Energy Modeling - Water Source Heat Pump • The school was modeled using water-source heat
pumps with a 15.4 EER and a 4.7 COP (Coefficient of Performance).
• This system was served by a two-speed cooling tower using two pumps to circulate the water.
• A condensing boiler was attached to the water loop to provide additional heat when necessary.
• The heat pumps also conditioned the outside air.
Fujitsu Energy Modeling Study Energy Modeling - Variable Air Volume (VAV) • The school was modeled with a gas-fired hot-water
boiler and a packaged VAV system with one rooftop packaged unit with an efficiency of 9.5 EER.
• The VAV system handled both space conditioning and conditioned the outside air.
• Each classroom had one VAV box with a hot water reheat coil.
The California Clean Energy Jobs Act (Proposition 39)
• The California Clean Energy Jobs Act (Prop. 39) changed the corporate income tax code and allocates projected revenue to California's General Fund and the Clean Energy Job Creation Fund for five fiscal years, beginning with fiscal year 2013-14.
• Under the initiative, roughly up to $550 million annually is available for appropriation by the Legislature for eligible projects to improve energy efficiency and expand clean energy generation in schools.
• Eligible local educational agencies (LEAs) — including county offices of education, school districts, charter schools and state special schools—can request funding by submitting an energy expenditure plan application to the California Energy Commission.
• For the first year, there is an option to receive part or all of a school's allocation for energy savings planning purposes. The Energy Commission approves plans and works with the California Department of Education, which subsequently distributes funds after plans have been approved.
• The Energy Commission is committed to helping applicants through the process. Tools and resources on this page are designed to help expedite filing an application for approval. New materials and updates will be posted as they are available.
• Efficiency from careful project Design
• Our team works to understand building usage
• Apply correct systems to meet needs
Fujitsu Airstage Serving Schools Globally
Examples include
• USA
• China
• Australia
• Poland
• Oman
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
What is VRF?
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
VRF Is Commercial Air Conditioning
What is VRF?
• Total Building Comfort Solution
• Zoning System • Complete Controls Solution • Efficient Inverter Driven Compressors
• High partial-load efficiency • Easy System Installation
Variable Refrigerant Flow
31
What is Heat A Recovery System ?
Suitable for buildings where
cooling & heating loads coexist
A Variable Refrigerant Flow System With Simultaneous Heating & Cooling Operation
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
Multiple Indoor Units with Grouped Outdoor Units
What Is Fujitsu VRF? © 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
VRF is The Future of
Commercial Heating and Air Conditioning
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
Global Ductless Market
34
In North America, Ductless is less than 6%
of US HVAC Market *
Window Unitary Chillers Moveable Ductless
Japan 90%
China 86%
Europe 81%
* In 2015, North American VRF sales are expected to exceed $500 million per year.
© 2013 Fujitsu General America Inc.
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VRF Efficiency
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Energy Efficiency
36
HVAC Consumes 42% Of A Buildings Energy Usage
42%
38%
11% 3% 1% 5%
Total Energy Use
HVAC User Side Electricity Structure & Insulation Windows Technical Equipment Interior Design
HVAC
© 2013 Fujitsu General America Inc.
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Energy Efficiency
37
80%
15% 5% 5%
Life Cycle
Planning Construction Operation End of life
・Operation cost is 80% of total life cycle cost
Building life cycle cost
Greatest Concern for a Building Owner
© 2013 Fujitsu General America Inc.
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Green Engineering
© 2011 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
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Energy Savings
Leadership in Energy and Environmental Design
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Energy Savings
40
• VRF can achieve up to 21 points • Energy and Atmosphere • VRF can achieve up to 7 points • Indoor Environmental Quality
LEED Modeling Leadership in Energy and Environmental Design
LEED® Green Building Rating System™ The LEED green building certification system is the preeminent program for rating the design, construction and operation of green buildings. usgbc.org
LEED NC 3.0
Certified: 40-49 points
Silver: 50-59 points
Gold: 60-79 points
Platinum: 80+ points
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
Airstage Efficiency
Highest Average IEER Efficiency Ratings in the Industry
0.0
5.0
10.0
15.0
20.0
25.0
30.0
6 Ton 8 Ton 10 Ton 12 Ton 14 Ton 16 Ton 18 Ton 20 Ton 22 Ton 24 Ton
20.0 20.2 20.1 20.4 20.0 20.5 19.2 20.2 20.1 20.1
IEER
Integrated Energy Efficiency Ratio (IEER)
Fujitsu D M
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
Airstage Efficiency
Highest Average SCHE Efficiency Ratings in the Industry
0.0
5.0
10.0
15.0
20.0
25.0
30.0
6 Ton 8 Ton 10 Ton 12 Ton 14 Ton 16 Ton 18 Ton 20 Ton 22 Ton 24 Ton
24.0 25.5 25.8
22.2 22.0
25.0 25.2 23.7
22.0 22.0
SCH
E
Simultaneous Cooling & Heating Efficiency (SCHE)
Fujitsu D
M
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
Outdoor Units
Selection & Features
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
Outdoor Units
Multiple Refrigeration System Control 400 Total Refrigerant Systems
Offers zoned comfort control based on space load and or tenant space usage.
The ability to control up to 400 outdoor units for a total capacity of:
3,200 tons
Possible Combinations (tons) Capacity 6 8 12 14 16 18 20 22 24
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
Hi-Tech Compressor Operation Logic
- Fujitsu created an innovative compressor operation sequence
① Provides equal compressor duty
② Results in high system durability
Compressor Rotation Sequence
Run command
Stop command
Run command(rotation execute)
Stop command
Oil recovery command
(rotation execute)Note: Fujitsu Airstage factory training provides complete details on system operation and function.
“Lead – Lag” operation
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
Single Twin Rotary Compressor
• Competition uses scroll compressors
• Some competitors use multiple compressors
• One variable and one fixed
• Makes condenser more expensive
• Using older design technology
• Equipment weighs more
• Compressor weight
• Oil separators, additional piping
• Twin rotary more efficient than scroll
• Up to 7% Better COP
The Compressor
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
The Compressor
Over compression loss at part load operation (For scroll compressor) Under compression loss at
high load operation (For scroll compressor)
Improved rotary comp. efficiency 7% (against scroll compressor)
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
The Condenser
Unique 4-Face Condenser Coil Design Increased Air Intake
Higher Capacity Coil
Front air flow capability
Allows units to be spaced closer together
Increased heat transfer capacity 5%
AIR INTAKE
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
Refrigeration Cycle is highly protected under all circumstances
2. High Temperature Protection
1. High & Low Pressures Protection
3. Overload Protection
● High Pressure Sensor (HPS) ● High Pressure Switch (HPSw) ● Low Pressure Sensor (LPS)
● Discharge Temperature Sensor (DTS) ● Compressor Temperature Sensor (CTS)
● Current Sensor (CS) for Inverter Compressor
Hi-Tech Refrigeration Cycle Protection
Outdoor Unit
LPSINVUnit
HPS
HPSw
INV
ACMACM(20L)
HEX SCHEX
STS
CTS
DTSCS
Results in: High Cycle Reliability
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
Indoor units
Type
Capacity
Cassette Duct Floor Ceiling Wall Mounted
Compact Cassette
Cassette
Slim Duct
Medium static
pressure
High static pressure Floor
Slim Concealed
Floor Ceiling Wall Mounted
(kBtu/h)
7.5
9.5
12.0
14.0
18.0
24.0
30.0
36.0
48.0
60.0
A wide variety of Indoor units helps for better system design ( 9 Types, 33 Models, Capacity range from 7.5kBtu/h to 60kBtu/h)
© 2013 Fujitsu General America Inc.
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Ceiling Cassette
Wall Mounted
Slim Duct (Two Sizes) ( One size) (One Size)
(One Size) (One Size)
(Two Sizes)
Model: 7.5 / 9.5 / 12 / 14 / 18 / 24
Model : 7.5 / 9.5 / 12 / 14 / 18
Floor / Ceiling Ceiling (One Size) (One Size)
Model : 30 / 36
Model: 24 / 30 / 36
Model : 12 / 14 / 18 / 24
Model : 18 / 24
Model : 36 / 48 / 60
Model : 18 / 24 / 30 / 36
Model: 7.5 / 9.5 / 12 / 14
Similar Indoor Unit Line-up
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
Installation Flexibility
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
Why a VRF System?
・Installation Advantages VRF systems are light weight & modular. Easily transported by
elevator.
・Design Flexibility A single condensing unit can be connected to many indoor
units of varying capacity & configuration
・Ease of Commissioning It is nearly plug-and-play by design.
・Comfort Many zones are possible, each with individual set point control
・Energy Efficiency Inverter variable speed compressor provides system capacity
modulation based on the demand from individual zones providing high part-load efficiency. DC Sine Wave
Variable Speed DC Inverter Compressor
Fits In A Small Elevator
© 2013 Fujitsu General America Inc.
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HR Outdoor Unit Line up
55
6Ton : AOUA72*LBV 8Ton : AOUA96*LBV
Two different size outdoor units are used to create 3 base capacity systems.
10Ton : AOUA120*LBV
66-9
/16
(169
0)
66-9
/16
(169
0)
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
System Design Considerations ● VRF System Design Refrigerant has highest heat transfer capability
© 2013 Fujitsu General America Inc.
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System Design Considerations ● VRF System Design Refrigerant has highest heat transfer capability
● Chiller System Design Lower heat transfer capability
© 2013 Fujitsu General America Inc.
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System Design Considerations ● VRF System Design Refrigerant has highest heat transfer capability
● Chiller System Design Lower heat transfer capability
● VAV (Variable Air Volume) System Design Very low heat transfer capability
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
VRF Benefits
What does it take to deliver 20 tons of Cooling? 30 Inch Supply Duct & Return 2 ½ Inch Pipe
Chilled Water Air
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VRF Benefits
What does it take to deliver 20 tons of Cooling? 30 Inch Supply Duct & Return 2 ½ Inch Pipe 1-1/8 Inch Pipe
Chilled Water Air
Advantage
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VRF Benefits
Heat Transfer Capability Comparison 30 Inch Supply Duct & Return 2 ½ Inch Pipe 1-1/8 Inch Pipe
Chilled Water Air
VRF Advantage
0.14 Watts / lb. Heat Transfer Capability
2.6 Watts / lb.
25 Watts / lb.
© 2013 Fujitsu General America Inc.
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FGL D M
.322 in.WG (80Pa)
0.315 in.WG (78.4Pa)
0.241 in.WG (60Pa)
- Allows outdoor units to be installed in balcony of high rise building
Outdoor Unit
Duct
High Static Outdoor Fan
Possible to Connect longer discharge duct
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Unit Placement
Evaluation of Discharge Air Flow by CFD Tool (In case of multiple outdoor unit installation)
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Quiet Operation
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
100 0 50 40 20 30 60 70 10 80 90
How LOUD Is A Traditional HVAC Unit?
33 dB(A) Library
50 dB(A) Refrigerator
60 dB(A) Conversation
78 dB(A) Vacuum 25 dB(A)
Recording Studio
65-75 dB(A)
Residential 3-ton Unit
Compare Ductless Sound Levels
50-60 dB(A)
PTAC Unit
90 dB(A) Motorcycle
Indoor Unit Ducted Unit Commercial Outdoor Unit
100 dB(A) Hand Drill
70 dB(A) Busy Traffic
40 dB(A) Quiet Home
75-85 dB(A)
Air-Cooled Chiller
Residential Outdoor Unit
Quiet Operation
As low as 23 dB(A)
As low as 61 dB(A)
As low as 46 dB(A)
As high as 57 dB(A)
As low as 19 dB(A)
Quiet
Loud
Preliminary
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Understanding Diversity
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Diversity – Solar Gain
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Diversity – People Load
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Diversity – Use of Space
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Heat Recovery Fundamentals
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
System Piping
Hot Gas
Liquid Cool Vapor
Cold Vapor or Hot Gas
Known as a 3 pipe system
EEV Internal Changes
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
System Piping
Hot Gas
Liquid Cool Vapor
Cold Vapor or Hot Gas
3 pipes from OD unit to RBU*
Known as a 3 pipe system
2 pipes from RBU to Indoor Unit
EEV Internal Changes
Flow changes based on solenoid valves in RBU Boxes - Not Reversing Valve
*Liquid line bypasses small RBU units (saving 2 connections)
© 2013 Fujitsu General America Inc.
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Refrigerant Branch Units
The ability of a Heat Recovery System to operate in both heating and cooling at the same time, requires switching of the hot gas and the cold liquid.
This work is done by the Refrigerant Branch Unit (RBU)
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
Installation Freedom
74
◆ Control box can be repositioned on the top of single RBU unit
Control box
FGL Only
Installation Example
For single type RB Unit ONLY
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
Installation Limitations
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
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*164 Ft. max.
Height difference between outdoor and indoor units
49 Ft.
Height difference between indoor Units Maximum
Heat Pump Piping Installation Flexibility
Heat Pump: 492 ft. max. Heat Recovery: 541 ft. max
Refrigerant System Pipe Length, Outdoor Unit to furthest indoor unit
196 Ft. max.
Pipe lengths from first separation tube to
the farthest indoor unit
Overall Total pipe length
3,280 Ft. max.
Long Pipe length
*When outdoor unit is lower than indoor, maximum height difference is reduced to 131 feet
© 2013 Fujitsu General America Inc.
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Transmission Wiring Design
Serial connection saves Wiring cost and Installation time
Wiring length up to 11,811ft (3,600m) max.
Parallel connection Serial connection
◆ Both parallel & serial wiring are possible
:Transmission Line
Note: Serial Connection - MANUAL ADDRESSING ONLY - (can’t use automatic address setting in a multiple refrigerant system)
© 2013 Fujitsu General America Inc.
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Multiple Indoor Units with Grouped Outdoor Units
Variable Refrigerant Flow System
What Is VRF?
© 2013 Fujitsu General America Inc.
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Installation Flexibility
Connectable indoor unit capacity
Up to 130%
Number of connectible indoor units
up to 45 units
Wide variety of indoor units
9 Styles, 33 Indoor units
Capacities from 6 to 24 Tons in one refrigeration system.
Note : when indoor unit connected capacity is greater than 100%, individual indoor units will operate at a lower capacity when more capacity is required.
Various combinations 1 Preliminary
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Installation Flexibility
Connectable indoor unit capacity
Up to 130%
Number of connectible indoor units
up to 45 units
Capacities from 6 to 24 Tons in one refrigeration system.
Note : when indoor unit connected capacity is greater than 100%, individual indoor units will operate at a lower capacity when more capacity is required.
Various combinations 1a Preliminary
Wide variety of indoor units
9 Styles, 33 Indoor units
Wide variety of indoor units Wide variety of indoor units
9 Styles, 33 Indoor units
© 2013 Fujitsu General America Inc.
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Installation Flexibility
Connectable indoor unit capacity
Up to 130% Number of connectible indoor units
up to 45 units
Wide variety of indoor units
9 Styles, 33 Indoor units
Capacities from 6 to 24 Tons in one refrigeration system.
Note : when indoor unit connected capacity is greater than 100%, individual indoor units will operate at a lower capacity when more capacity is required.
Various combinations Preliminary
up to 45 units
Wide variety of indoor units Wide variety of indoor units
9 Styles, 33 Indoor units
Maximum on each refrigerant system
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Heat Pump Connectable Capacity
Connectable indoor unit capacity
Up to 130% Number of connectible indoor units
up to 45 units
Wide variety of indoor units
9 Styles, 33 Indoor units
Capacities from 6 to 24 Tons in one refrigeration system.
Note : when indoor unit connected capacity is greater than 100%, individual indoor units will operate at a lower capacity when more capacity is required.
Various combinations – Heat Pump
up to 45 units
Wide variety of indoor units Wide variety of indoor units
9 Styles, 33 Indoor units
Maximum on each refrigerant system
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Heat Recovery Connectable Capacity
Connectable indoor unit capacity
Up to 150% Number of connectible indoor units
up to 45 units
Wide variety of indoor units
9 Styles, 33 Indoor units
Capacities from 6 to 24 Tons in one refrigeration system.
Note : when indoor unit connected capacity is greater than 100%, individual indoor units will operate at a lower capacity when more capacity is required.
Various combinations – Heat Recovery
up to 45 units
Wide variety of indoor units Wide variety of indoor units
9 Styles, 33 Indoor units
Maximum on each refrigerant system
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Heat Pump Temperature Operation Range
Cooling
5°F* range
Heating
115°F
-4°F Operation possible
in heating
range 5°F*
70°F
-4°F Operation possible
in cooling
Installation in a wide range of design temperature conditions.
°F = FDB
120
100
80
60
40
20
0
-20
Preliminary
*Units combined in one refrigeration system changes low temperature operation range to 23° f
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Heat Recovery Temperature Operation Range
◆
-4 F (-20℃)
14 F (-10℃)
115 F (46℃)
(Cooling)
(Heating)
- Allows use in a wide temperature range from -4 F heating to 115 F cooling
(Cooling & Heating)
70 F (21℃)
122
104
86
68
50
32
14
-4
50
40
30
20
10
0
-10
-20
(℃) ( F)
70 F (21℃)
14 F (-10℃)
© 2013 Fujitsu General America Inc.
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Controls
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
A wide range of individual and group system controls
Touch Panel Controller
Central Remote Control
System Controller Lite System Controller
Web Monitoring Service Tool
BACnet Gateway
Network Converter Signal Amplifier LonWorks Converter
External Switch Controller
Wired Remote Controls
Simple Wired Remotes
Wireless Remote Controls
Controls
Touch Screen Remote Controls
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Controls Line up
Same control line up as V-II + New Touch Screen and System Controller Lite
CONTROLLER
INDIVIDUAL CONTROL CENTRAL CONTROL
WIRELESS RC
SIMPLE RC
WIRED RC CENTRAL
RC
TOUCH PANEL
CONTROLLER
SYSTEM CONTROLLER LITE
Remote access / Electricity charge apportionment /
Energy saving option
SYSTEM CONTROLLER
Energy Manager Option
3-WIRE 2-WIRE
Touch Panel
Max. controllable
RC group 1 100 400 400 1600
Max. controllable
Indoor Units
16 100 400 400 1600
PC field supplied
NEW
PC field supplied
NEW
© 2013 Fujitsu General America Inc.
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Central Control System Controller Touch panel controller
Controllable Systems: • 1600 Indoor Units • 400 Outdoor Units
Controllable Systems: • 400 Indoor Units • 100 Outdoor Units
Central Remote Controller
Controllable Systems: • 100 Indoor Units • 100 Outdoor Units
Individual Control Options: • Simple • Wireless • Wired • Multiple remote capable
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Individual Wired Remote Controller
UTY-RNRU (Non Polar 2-wire)
User Friendly Design
Convenient Function
Energy Saving Function
Individual Wired RC (Touch Panel)
Simplified Installation
Easy Maintenance Function
Compatibility
Presentation Contents:
Restriction
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
User Friendly Control System
Touch Panel Controller Installer setting Flexible grouping
Schedule control Password setting
Preliminary
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
User friendly Controls
Monitor mode (Building)
System Controller Monitor Mode (Site) Electrical Utility
Billing Calculation
System Scheduling System Monitoring (List)
3D View Exclusive To Fujitsu!
Preliminary
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
User Friendly Controls
System Controller
Max. controllable
4 VRF system
Max. controllable
400 outdoor units
Max. controllable
1,600 indoor units
By using client software, one PC can perform central control and web control of 10 VRF system sites with max. 20 buildings per site.
On site control Remote central control
Server Server
Server
Server
Max. 4 network system per site Controlled sites of up to 10
11,811 ft.
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
VRF system building
VRF system site VRF system site Monitoring site
VRF system building
Web Monitoring Tool UTY-AMGX
Service Tool UTY-ASGX
Remote monitoring
Monitoring via Web Browser
System set-up, Commisioning and Service on site
Operation , Control and Service
+ Monitoring at VRF system site
Building System Control and Operation
USB connection anywhere in system
Off Site & Onsite On Site
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© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
Controls & IO Overview
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
Control System & Integration Examples
Remote Monitoring
Window Card Key Ventilator
Human Sensor
Meeting Room Break Room Hotel Room
Touch Panel Controller
Lighting SW Ventilator
Central Remote Controller
Fire Sensor
System Controller
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
Control Integration w/ Building Management
Central Remote Controller
Group A Group B Group C Group D
Max. controllable 100 indoor units
Max.16 groups controlled
: External Input / Output : Lon network
: Module Link
Connection with the VRF V-Ⅱ System
Network Convertor
: Remote controller cable
Single
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
Electric Metering Capable
Option of metering electrical usage Managing system output based on usage for peak energy savings. And More!
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© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. © 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
Design Simulator Software
Easy Equipment Selection • Complete Selection Output • Reliable Project Management
Design Simulator Simplifies the design process to ensure a successful installation.
© 2013 Fujitsu General America Inc.
© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
Service Tool Detail
101
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© 2013 Fujitsu General America Inc. All Rights Reserved – No photography or reproduction without written consent
VRF Economizer
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Cooling capacity: High/Low Information is sent
Example 1 :This function provides the efficient and the energy-saving air conditioning by using Economizer and VRF system.
Information from the remote controller ( Occupied / Unoccupied)
Information from the remote controller ( Occupied / Unoccupied)
Cooling operation: On information is sent
System using Economizer input function -
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Function setting
System using Economizer input function -
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105
Summary Fujitsu AirStage VRF Provides 1. Simple Space Saving Installations 2. Very High Energy Efficiencies 3. LEED Points For Green Jobs 4. Cost Effective Alternative 5. A Wide Range Of Energy Management Options 6. System Wide Diagnostic Capabilities 7. Complete Controls Solutions 8. Comfortable And Quiet Building Spaces
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