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Table of Contents

1. Introduction of the Project

2. Design of New BCP

3. Rationale for using Variable Refrigerant Volume (VRV)

4. Simplifies installation benefits of the VRV System

4.1 Direct Cost Saving with VRV

4.2 Low Cost of VRV

5. Economic Benefits

5.1 Conserves space

5.2 Design flexibility

5.3 Quality Benefits

6. Public Health Benefits

7. Environmental Benefits

7.1 Air quality Benefit

7.2 Noise Benefit

8. Conclusion

9. References

A2 sized Poster

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1. Introduction of the Project

The HKSAR Government and Shenzhen Municipal Peoples Government both

have recognized the need to enhance cross-boundary transport infrastructure for

long-term economic growth and further regional co-operation. On 18 September

2008, the two Governments jointly announced the implementation of the new

boundary control point (BCP) at Liantang / Heung Yuen Wai. Commencing

operation of the new BCP will be in 2018.

We are appointed by the HKSAR government to apply innovative construction

technology and idea on efficient air condition system for the terminal building.

2. Design of New BCP

A two-storey design is adopted to minimize land requirement. Facilities for goods

vehicles and public transport interchange will be located on the ground floor. The

upper floor will serve passengers, private cars and coaches. The size of upper

floor is only one-fourth of the total area of the lower floor (about 4.6 hectares).

3. Rationale for using Variable Refrigerant Volume (VRV)

Variable Refrigerant Volume (VRV) permits the system to automatically adjust

itself to the air conditioning load demands so that the system is energy efficient in

operation. VRV system air conditions each individual location. Precise level

control is possible that reacts to the exact conditions in each room. Individual

control promotes a far more economical and efficient system.

There has among the many of its successful projects and accolades of a satisfied

clientele shown as below:

The Embassy of Peoples Republic of China

The High Commission of Canada

J M Mall in Tanzania

The Tanzania Revenue Authority

The High Commission of Great Britain

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The technologically advanced VRV III-C inverter controlled heat pump system,

designed especially for installation in cold climates. It provides highly efficient

heating in outdoor temperatures as low as -25 C that it is very suitable for this

new BCP.

4. Simplifies installation benefits of the VRV System

Outdoor air cooled condensing units are easily located on roof tops of the building

or located on each floor. Therefore no need for a separate machine or equipment

room required for saving more place.

Varieties of VRV Indoor Fan coil units are available to suit the requirements in a

premise and to meet the clients' special needs. Many mounted type models are

available in various cooling capacities.

Installation of VRV System can minimize to reduce the builders and electrical

works. It is both suited for use in new buildings and in the restoration of existing

buildings for future. No major modifications are necessary for its installation.

VRV has the optional facility to provide a centralized control to operation and

control by individual controllers. Centralized control system can be operated from

a convenient location in the building. It has for monitoring the performance of

units in individual area. It provides to switch ON/OFF the units at any desired

locations at any given time without entering the particular area. No need to have a

specially trained team of technicians to operate and control the system. Good

facility to indicate nature of fault for taking a prompt action to rectify the fault.

Inspection after installation is straightforward.

The indoor unit's cooling operation can be controlled to maintain desired

temperature in any location at any environment change of needs and preferences.

The lightweight, compact units can be transported using a regular lift. The pipes

are few in number and making design plan layout simpler.

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4.1 Direct Cost Saving with VRV suitability to Present Day Condition

This system permits modular operation where load can be gradually transferred to

the standby generator, and a generator with the capacity to meet normal power

loads will meet the requirements. There is cost saving on both the sizing and

running cost of the standby generator.

4.2 Low Cost of VRV

In a VRV system, the Builders and electric works required are minimal and simple

so that cost much less than in other systems of air conditioning. Therefore the

overall system cost in VRV system including that of builders and electrical works

will compare very favorably with the system cost of other types of air

conditioning. At the same time, the VRV system offers several advantages over

other systems of air conditioning.

5. Economic Benefits

Individual control promotes a far more economical and efficient system. Saves

energy can using the HRV for ventilation dramatically boosts energy efficiency.

The VRV delivers highly efficient performance, contributing to high energy

savings.

5.1 Conserves space

Space efficiency is enhanced by the compact size of the individual units, the long

maximum piping length, and the ability to realize a large scale air conditioning

system with a single piping circuit.

5.2 Design flexibility

The extended maximum piping length gives more flexibility when designing.

Change of layout can easily because the indoor units capacity can be up to 200%

that of the outdoor units. New compressor technology eliminates the need for

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piping calculation to short the time needed for design. No effect on the design of

the building interior when the outdoor units can be installed on the roof.

5.3 Quality Benefits

The self-diagnostic system identifies problems quickly and accurately. The Auto

Restart function ensures that operation is restored with the previous settings even

if the power has been shut off. Units are controlled in each individual area so that

local malfunctions do not cause the entire system to shut down.

6. Public Health Benefits

It operates over a broad temperature range in heating to extend from 15C to

20C to suitable for any weather.

7. Environmental Benefits

A recent trend rapidly gaining popularity is required for air treatment as well as air

conditioning. VRV Outdoor unit can combine fresh air treatment and air

conditioning that it adjusts the temperature of air from outdoors using a fixed

discharge temperature control to praise for their compactness, energy conservation

and extensive operation range of outdoor temperatures. It provides higher

enthalpy efficiency and improved external static pressure offers more flexibility

for installation.

7.1 Air quality Benefit

The system equipped with a DX-coil and a humidifier to provide further advanced

features, such as temperature adjustment to suit conditions indoors and to prevent

cold air from blowing on people directly during heating operation.

7.2 Noise Benefit

Low operation sound level decreases the noise pollution by using good silencer.

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Units are designed to operate quietly and equipped with a function for silent

operation especially at night.8. Conclusion

A VRV system provides considerable savings on energy, costs, and space

requirements. Its innovative inverter technology ensures the variety of

performance required by building owners in every stage of operation. And the

unique piping system and compact, lightweight unit design give flexibility in

system planning and quick and easy installation.

In future, new solar air conditioning refers to any air conditioning (cooling)system that uses solar power. The U.S. Energy Independence and Security Act of

2007 created 2008-2012 research funds for a new solar air conditioning

development program to develop and demonstrate multiple new technology

innovations and mass productioneconomies of scale. Solar air conditioning will

become important role in zero-energy and energy-plus buildings design.

Our VRV air conditioning units will be converted to solar power to save on energy

costs. There will some other sustainable ways of cooling the air using new

technologies that provide some exciting possibilities for the future. As our world

transforms and begins to make the use of clean and renewable energy sources a

priority, we will see more of these kinds of innovative solutions!

9. Reference:

1) http://www.daikintanzania.com/vrv.asp

2) http://www.daikin.com.hk/eng/products/vrv_whats_eng.php3) http://www.daikin.com.hk/pdf/VRV%20III%20PCV0915A.pdf

4) http://www.go-green-solar-energy.com/solar-air-conditioning.html

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http://en.wikipedia.org/wiki/Air_conditioninghttp://en.wikipedia.org/wiki/Air_conditioninghttp://en.wikipedia.org/wiki/Solar_powerhttp://en.wikipedia.org/wiki/Solar_powerhttp://en.wikipedia.org/wiki/Energy_Independence_and_Security_Acthttp://en.wikipedia.org/wiki/Mass_productionhttp://en.wikipedia.org/wiki/Mass_productionhttp://en.wikipedia.org/wiki/Economies_of_scalehttp://en.wikipedia.org/wiki/Economies_of_scalehttp://www.go-green-solar-energy.com/solar-air-conditioning.html#ixzz2CqD17vr2http://en.wikipedia.org/wiki/Solar_powerhttp://en.wikipedia.org/wiki/Energy_Independence_and_Security_Acthttp://en.wikipedia.org/wiki/Mass_productionhttp://en.wikipedia.org/wiki/Economies_of_scalehttp://www.go-green-solar-energy.com/solar-air-conditioning.html#ixzz2CqD17vr2http://en.wikipedia.org/wiki/Air_conditioning