Daikin applied vrv brochure

your comfort. our world.

VRV For Large Scale BuildingsOur Solutions

Heating

Ventilation

Air Conditioning

Refrigeration

IntegratedSolutions

With more than 50 years’ experience in the design and manufacture of heating and cooling technologies, Daikin is a market leader in heat pump solutions, renowned for innovation, quality and reliability.

The latest VRV capabilities have developed from our world‑class expertise in energy‑efficient, low carbon climate control systems, together with an intelligent approach to creating ever more versatile and flexible answers to often complex building requirements.

At Daikin UK, we’re committed to delivering advanced VRV solutions, which help consultants, developers and property owners create high performance yet sustainable buildings that minimise running costs and carbon emissions, while being future‑proofed for an ever‑changing market.

1 VRV For Large Scale Buildings

VRV Systems have developed considerably over the past number of years and are now being specified for larger and more diverse buildings.

The latest VRV solutions can be designed on a greater scale than ever before to create fully integrated systems for all kinds of buildings, even those over 5,000m2.

The ability to use custom design tools, combined with modular flexibility, total heating and cooling system integration and intelligent controls, means that the system can be adapted to changing tenants and occupant levels. This makes VRV solutions incredibly versatile, enabling them to meet both current and future building requirements.

ContentsDecisions, decisions, decisions

Property developers: developing intelligent climates

Consultants: freedom to design

Commercial landlords: putting you in control

Changing building performance for good

Optimising energy efficiency

Case study: 210 Pentonville

Case study: Les Miroirs

Case study: Shangyu Baiguan

Trust in Daikin

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Our Solutions 2

Minimising plant space

It has never been so important to maximise lettable floor space. Every square foot counts, so minimising plant space for climate control systems is good economy. Franklin + Andrews, one of the world’s leading construction economists, estimates that a two or four pipe fan coil system could take up around 7% of the overall floor area of a building, while a comparable VRV solution would take up about 3 to 5%. So a VRV system takes up 29% less plant space than a chiller system, and in a highly competitive market place, offering the most flexible and efficient use of office space could be a real deal breaker.

The modular nature of VRV means the outdoor units can be placed in different locations, either together or spread around the site, avoiding the problem of finding one large area for plant.

Reducing whole life costs

In a tough economy, it’s important to look at the whole life cost of a climate control system, not just the initial investment. Franklin + Andrews’ Little Black Book states running costs of two and four pipe fan coil systems as £8.75/m2 and £10.75/m2 of gross floor area respectively. By comparison, running costs for VRV heat recovery systems are only £6.25/m2 of gross floor area ‑ 29% to 49% lower. So opting for a heat recovery solution could save many thousands of pounds per year.

A well‑maintained VRV system can last for many years. VRV III units, introduced in 2006, have now been on the market for eight years and have a minimum nine years of spares provision, giving a potential life of more than 17 years. The new VRV IV modules now being introduced are designed to be compatible with VRV III, which will lead to a potential system life of 24 years.

VRV’s modular nature means different components can be replaced throughout its life. This allows the latest technology to be incorporated, which can result in lower maintenance costs and higher efficiencies.

There are many decisions to make before determining the optimum climate control solution. Building regulations, energy efficiency targets and planning guidelines all represent significant challenges to be overcome before you can choose an efficient solution that minimises plant space and running costs, while meeting your current and future needs.

Decisions, decisions,decisions...

Suitable for any building size

VRV is often perceived as one step up from a split or multi‑split system and therefore only suitable for small to medium sized buildings. In fact, VRV’s modularity makes it incredibly versatile.

� Multiple units can be combined to create a whole building solution

� Systems can be designed, built and commissioned floor by floor ‑ ideal for installing a new system or remodelling in phases

� Piping lengths can be up to 1,000m overall

� The height difference between indoor and outdoor units can be up to 90m

� Outdoor units can be placed together or spread around the site, which can also minimise floor loading and noise.

User comfort

VRV manages user comfort effectively in a number of ways. For example, fan coils have independently controllable louvres, plus presence and temperature sensors, to direct air flow away from occupants and towards areas where temperature is out of balance. Individual control of units means systems can react quickly to changing loads and comfort requirements.

Cold air dumping during defrost is being tackled through innovations such as the ‘phase change material’ module in the VRV IV unit, which enables off‑coil temperatures to be maintained during defrost cycles.

3 VRV For Large Scale Buildings

The latest VRV systems can enhance a building’s value by using the latest technological developments to lower costs, enhance functionality and increase efficiency. This helps to ensure there is a quick turnaround time between tenancies as well as helping to achieve the highest rent per square foot.

Property developersDeveloping intelligent climates

Intelligent climate control solutions

Many buildings operate separate systems for heating, cooling, refrigeration and hot water, wasting a huge amount of energy. However, intelligent planning can use waste heat generated by air conditioning and refrigeration in other areas of a building. Advanced VRV solutions offer a totally integrated approach to climate control, which deliver a complete solution that maximises energy efficiency by simultaneously heating spaces while cooling others.

Appealing to cost‑conscious customers

These energy efficient systems are not just more sustainable, they are much cheaper to run too.

VRV solutions can dramatically reduce the cost of hot water and heating by recovering heat and reusing it in a precisely controlled way to create the perfect climate conditions.

Developers will find buildings with intelligent climate control solutions are much more in demand from customers, who want an efficient environment that promises low running costs, without compromising on comfort.

Flexible indoor space

VRV systems can be designed, built and commissioned floor by floor. This makes it possible to install new cooling systems within a phased refurbishment programme, or to adapt them for individual needs within a multi‑tenanted building. Systems can be changed with sections decommissioned or added to as required and indoor units have the flexibility to direct air or restrict air flow if internal spaces are re‑configured.

Maximising rental space

VRV solutions are modular in design, giving greater flexibility to create a system that’s tailored to your exact building requirements ‑ while taking up around 29% less plant space than a typical chilled water system. The heat pump can be installed:

� Outside ‑ on a roof, wall or at ground level

� In a plant room ‑ to minimise impact or external noise

� In shafts and ceiling voids ‑ as small refrigerant piping takes up less space, thus maximising the commercial lettable area.

Our Solutions 4

Daikin VRV systems are based on air source heat pump technology, so they can help to meet renewables targets, while assisting consultants with Part L compliance and achieving higher BREEAM ratings offering a genuinely versatile solution, designed to meet a building’s precise renewable requirements.

ConsultantsFreedom to design

Individually tailored solutions

VRV provides greater flexibility to meet current and future client needs. Because the system can be designed and built to meet any building’s requirements, it offers solutions to a wide range of spaces, from large open lobbies and reception areas, to individual rooms and offices.

VRV can also be combined with water cooled systems connected to geothermal or hydrothermal sources, as well as giving the option of adding water heating, solar collectors or refrigeration into the system.

VRV’s control options also allow you to tailor the control regime to meet the requirements of each room, floor or tenant as required, to maximise energy efficiency and prevent energy waste. This versatility makes VRV ideal for buildings with multiple tenants, which may have vacant areas and variable periods of high and low use.

Balancing heat loads

VRV’s modular approach also provides greater flexibility to balance heat loads in different parts of the building.

The IES modelling tool offers designers the ability to balance heat loads in different parts of the building, allowing them to choose the indoor unit style and capacity to meet requirements.

Achieving a balanced mode of heat recovery within a VRV system can deliver dramatically higher energy efficiencies, achieving COPs of more than 10 and helping to maximise BREEAM credits at design stage.

This involves specifying the system so that it is capable of cooling areas of the building with the highest heat gains and transferring reclaimed heat to other areas requiring heating or hot water. Recovered heat can even be diverted to over‑door air curtains, thus saving up to 67% in running costs, compared with electrically heated models.

Flexible configuration options

Every building is unique, requiring efficient usage patterns and varying occupancy levels. A fully integrated system can be designed that opimises energy efficiency and opportunities for heat recovery.

� Over 120 different indoor units available

� Indoor and outdoor units can be 90m distance in height

� No need to use additional kits and extended piping lengths

� The VRV outdoor unit can be used for indoor installation with ducting.

5 VRV5 VRV For Large Scale Buildings

In a harsh economic climate, where many office spaces remain empty for months on end, properties must be marketable to attract the right kind of tenant. Efficient building services, combined with intelligent building controls, promise smart use of energy that forward‑thinking businesses expect and demand.

Commercial landlordsPutting you in control

Heating, air conditioning, hot water and ventilation are all significant areas of energy consumption. But neither the commercial climate, nor the current legislative framework, will tolerate wasted resources. So landlords need to prove a property’s energy efficiency credentials to secure the most lucrative tenancy agreements.

Precise zone control

The VRV system provides precise control of both small and large areas, offering individual control of over 5,000 indoor units using the latest control technologies. Zone‑by‑zone control offers lower running costs, because the system can be activated only in rooms that require heating or cooling, and can be shut down entirely in rooms where no air conditioning is required.

Smart energy management

Smart energy management tools maximise efficiency by reducing running costs and preventing energy waste. From individual systems to the management of multiple buildings, Daikin has a control solution for every application.

Multi‑tenant function

If one part of the building is closed or being serviced, VRV’s multi‑tenant function ensures that the entire system doesn’t shut down when the mains power supply of an indoor unit is switched off. In contrast, a chiller runs an entire system, which requires an expensive backup unit. So if it fails, the entire system fails.

Reliability you can depend on

Of course, ensuring lower running costs depends on system reliability and efficiency over its entire lifetime. So it’s reassuring to know that Daikin has an unparalleled reputation for quality and reliability.

A low maintenance solution

If a variable refrigerant system such as VRV has just 10% less refrigerant than the optimal amount, the power consumption to maintain capacity can rise by 40%. The Daikin system:

� Has automatic refrigerant charging and containment that ensures optimal capacity and efficiency while complying with F‑gas regulations

� Maximises efficiency

� Minimises maintenance.

Our Solutions 6

Staying current with Building Regulations

Changes to Building Regulations propose that CO2 emissions for new non‑domestic buildings should be reduced by either 11% or 20% over 2010 levels. Increased standards will also come into force for existing buildings. A 20% reduction is expected to require the use of integrated renewable energy technologies. This requirement will increase further when zero carbon standards are introduced for new non‑domestic buildings from 2019. However, it is anticipated that costs incurred by these measures will be offset by fuel bill savings.

Meeting planning targets

Throughout the UK, central planning guidance now requires local planning authorities to adopt tougher planning policies. These are driving ambitious CO2 reductions and the ‘Merton Rule’: a planning policy requiring new commercial buildings of over 1,000m2 to generate at least 10% of their energy needs using on‑site renewable energy equipment.

In London, the targets are even higher. The London Plan advocates that all major development proposals reduce CO2 emissions by at least 20% through the use of on‑site renewable energy generation. So choosing renewable solutions isn’t just a ‘nice to have’, it’s a must‑have for any significant development scheme.

Designing for BREEAM

Many organisations now use BREEAM as the mandatory design standard to ensure that construction and refurbishment projects meet exacting requirements for CO2 emission reductions. Property agents use BREEAM to promote a building’s environmental credentials and benefits to potential purchasers and tenants, while developers can use BREEAM as a tool to aid Building Regulation compliance.

Heat pump technology can help achieve higher BREEAM ratings, by delivering energy efficient and controllable heating. Specific credits can be given for integrated services and building management systems – and further awards for innovation are also possible, based on the system design.

Ahead of the efficiency curve

The Energy Related Products (ERP) Directive, which came into force in January 2013, has specified new minimum EcoDesign requirements for air conditioning products. These aim to close the significant gap that often occurs between anticipated and actual performance, by measuring the real‑life energy efficiency of systems over an entire cooling or heating season.

While the new ERP Directive only affects air conditioning products with a capacity of less than 12kW, from 2015 it is expected to affect systems suitable for larger buildings too. Daikin has already incorporated many of these EcoDesign requirements into the new VRV range.

Heating and climate control solutions can account for up to 50% of a building’s CO2 emissions. That’s why energy efficient climate control solutions have such an important role to play in reducing running costs and carbon emissions from our built environment.

The carbon challenge

The Climate Change Act 2008 set the target of achieving a minimum 80% reduction in legislated greenhouse gas emissions by 2050, compared with 1990 levels. This transformation to a low carbon economy will be a defining challenge over the next generation, driving ever‑stricter building regulations and EcoDesign legislation, combined with financial measures, to incentivise improved energy performance.

Changing buildingperformance for good

7 VRV For Large Scale Buildings

Optimising energy efficiency

To optimise efficiencies and minimise energy consumption within buildings, the new Daikin Dynamic VRV Systems Sizing Tool has been integrated into the IES Virtual Environment (IESVE) to offer the most advanced VRV Heat Recovery modelling capabilities on the market today.

This new software tool enables engineers to establish accurately the performance of these state of the art systems within their building project. Users can automatically size the system and select the correct VRV indoor and outdoor units for the building’s heating and cooling loads. Full thermal simulations then reveal annual loads, power input and efficiencies.

Daikin’s expert in‑house team of VRV system designers can also use your model to select and aid your VRV system designs for you, to help meet or exceed efficiency targets and even evaluate comfort levels.

Covering the whole Daikin air cooled VRV range, the software is available for free, on completion of training by Daikin UK specialist support staff, and can be used with version IES VE6.5 onwards.

To register your interest, please go to: www.daikin.co.uk/business‑partners/ies

At the landmark 210 Pentonville scheme in central London, a Daikin VRV Heat Recovery system was installed to deliver energy efficient heating and cooling.

Offering over 80,000 sq ft of office space spread across 10 floors, 210 Pentonville emphasises the best in modern design and progressive architecture.

In line with this, architects Darling Associates specified a Daikin VRV system to deliver a cutting edge climate control solution. Daikin UK provided a complete VRV Heat Recovery solution connecting Daikin fan coil units, controlled by a Daikin Intelligent Manager.

Meeting the high environmental standards set by the client, the system provides the very best in control and performance, while being both acoustically and aesthetically discrete.

By re‑using waste energy generated by the building’s cooling processes, the VRV system helped contribute towards the sustainable specification of the scheme, which was awarded a BREEAM Excellent rating on completion.

VRV Heat Recoveryat 210 Pentonville

Our Solutions 8

Project outline:

Completion: 2007 Number of floors: 16F Total floor area: 63,000m2

Equipment

120 x Air Cooled VRV outdoor units

2100 x individually controlled indoor ducted units

Project outline:

Completion: 2011 Application: Office /

Commercial complex Number of floors: 50F + B2F

Total floor area: 120,000m2

Equipment

Air cooled VRV x 5,600 HP

Water cooled VRV x 920 HP

Shangyu Baiguan Building

Shangyu, China

Les Miroirs Paris La Defense, France

9 VRV For Large Scale Buildings

Training for best practice

As part of Daikin UK’s commitment to quality, we offer customised training at our industry‑leading technology centres in Birmingham, Bristol, Glasgow, Manchester and Woking. These training courses are designed to raise standards, set industry benchmarks and help to develop both systems and service expertise to support industry best practice.

Investment in skills

Daikin UK partners with specialist technical colleges ‑ City of Bath College, College of North West London, Dudley College, West Suffolk College and PGL Training in Exeter. This investment in the next generation of HVAC engineers nurtures the specialist expertise which is vital to deliver highly energy efficient heating and cooling solutions on which our environment depends.

Design assistance

When it comes to system design, Daikin UK offers a range of software tools and apps to help you select the optimum solution. The VRV plug‑in for IES Virtual Environment provides full thermal simulations so you can predict accurately the performance of different system options within a building. Additional software solutions are available too, such as the Sky Air running cost calculator and the R22 app, which demonstrate the savings and efficiencies that can be achieved by choosing Daikin solutions.

Dedicated sales advice

To ensure you receive a quality service best suited to your requirements, Daikin’s sales teams have been shaped to meet the needs of different customers. Our dedicated Specified Sales team has the expertise to assist consultants and engineers at every stage of system design. The Corporate Clients division develops the best possible framework agreements for national operators. For local project support, dedicated pre‑ and post‑sales service and technical advice are available at all our regional offices.

Comprehensive service support

Daikin UK has a team of expert service engineers operating throughout the country to assure satisfaction for our customers. So if you require on‑site support or advice, you can rely on a fast, local response from a highly trained and qualified Daikin UK engineer.

Daikin product warranty

Daikin offers industry leading, comprehensive warranties for extra peace of mind, supported by our nationwide network of engineers. Every VRV system comes complete with a five year warranty, plus an annual health check and F‑gas containment check as part of our dedicated after care service.

Trust in DaikinAt Daikin UK, we aim to anticipate the needs of our customers and remain at the forefront of technological innovation. Our goal is always to offer the very highest standards of service to all our customers ‑ from engineers and consultants to property developers and owners.

Our Solutions 10

Daikin Airconditioning UK Limited The Heights Brooklands Weybridge Surrey KT13 0NY Tel 0845 6419000 Fax 0845 6419009 www.daikin.co.uk

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