Energy Efficient Hvac Solution.pdf

Energy Efficient HVAC Solution Exceed Your Green Building Needs

Table of Contents Page ATAL Provides More Than Your Expectation

1

Our Solutions: • Dessiccant Dehumidification

5

• Filtration System

6

• Chiller - Air Cooled Water Chiller - Centrifugal Chiller - Oil Free Chiller - Multi-functional Chiller - Heat Pump and Heat Recovery Chiller

7

• VRF Multi-split Air Conditioning System

12

• Cooling Tower

13

• Radiant Cooling System

15

• VAV Terminal Box

16

Our Proven Track Records

18

ATAL Provides More Than Your Expectation

ATAL is a multi-disciplinary engineering group with over 35 years of experience in delivering high-tech system integration to the data centre, building services and environmental engineering industries. Backed by innovative technologies and a strong team of professional specialists, we design, integrate and install efficient HVAC Systems that meet diverse needs. We take care of every aspect from feasibility study, equipment selection, system design, and installation to round-the-clock maintenance services.

Over the years, our experts have successfully provided a host of Efficient HVAC Solutions to different sectors, including commercial, industrial, residential, hospitality and government. We have experienced many new innovations and changes in technology along with changes of customers’ demand. We adapt to these changes and always endeavor to provide the best solution to meet the market demands.

Our Solutions: • Desiccant Dehumidification • Filtration System • Chiller • VRF Multi-split Air Conditioning System • Cooling Tower • Radiant Cooling System • VAV Terminal Box

1

Highly-experienced Managers and Engineering Specialists

Customized Design for All Applications

We possess in-house highly-experienced managers and engineering specialists to provide you with hassle-free HVAC Solution which is the most efficient, user-friendly, reliable and scalable. Our extensive industry knowledge drives us towards developing answers to the challenges of today and tomorrow.

Our professional design helps upgrade your property and optimize your operation. You will experience the flexibility and convenience after our assistance. Our Efficient HVAC Solution can fit for anywhere, any applications and any scenarios.

One-stop System Integration

Commitment to Quality

We offer one-stop solution including a wide range of systems such as iBMS, Lighting, Renewable Energy, and AudioVisual & Communication but not limit to Air Conditioning to integrate all HVAC Systems. Our strong professionalism and experience in all engineering aspects enable perfect compatibility among all solutions.

We provide world-class systems conforming to international standards in quality and performance. ATAL complies with ISO-9001 protocols, a set of globally recognized standards that defines a qualified assurance system.

Regular Technical Training

Strong Partnership with Worldleading Brands

To look after your every need, all our qualified service supervisors and technicians regularly receive training to keep abreast of the latest skills and technologies. We aim to provide prompt technical support to ensure top systems performance.

We have built strong partnerships with worldleading brands, such as Evapco, Hitachi, Munters, TROX, PEP and RC.

3

Our Solutions Over the years, our experts have successfully provided a host of Efficient HVAC Solutions to different sectors, including commercial, industrial, residential, hospitality and government.

4

Our Solutions Desiccant Dehumidification - Efficient humidity control solution

The Humidity Expert

ATAL offers humidity control solutions for commercial, industrial and residential developments. Our desiccant dehumidifiers apply unique rotor technology, which is highly-effective in attracting and holding water vapor. Desiccant Rotors

Humidity Control Unit (HCU) It combines the benefits of Desiccant Dehumidifiers with the cooling of DX airconditioners to pre-treat make-up air before it is brought into a building. Using compressor waste heat for desiccant wheel regeneration, it can combine with chilled or hot water coil.

In the 1950’s invented modern industrial dehumidification In Munters the 1950’s Munters invented modern when it introduced the self-regenerating desiccant rotor, the heart of the industrial dehumidification when it dehumidifier. introduced the desiccant Today, Munters offers rotors withself-regenerating five desiccant formulations and is the acknowledged expert the integration rotors into dehumidification rotor, thein heart of theofdehumidifier. systems and air handlers.

Advantages: • HCU saves up to 40% cooling energy cost compared to DX Technology • Excellent dehumidification performance for humid weather in Hong Kong

Today, Munters offers rotors with five desiccant formulations and is the acknowledged expert in the integration of Desiccant Wheel rotors into dehumidification systems and air Reactivation handlers.

Reactivation Fan Outlet

Reactivation Coil

Evaporator Coil

Inlet

Post Heat

Condenser Fans

• No reheat required, comply with ASHRAE Standard 90.1 • Low dew point, eliminate wet floors, saturated duct, mold and mildew • Provide cool and dry make-up air without overcooling • Excellent performance of humidity control in indoor swimming pool, luxury house, wardrobe and data centre

Makeup Inlet Return Air Inlet

Bypass Damper

Supply Fan

Condenser Coil Compressors

4k

w

HCU Energy Cost

33˚C, 65%RH

11

14

3k

w

DX Energy Cost

Reheat

5

25.5˚C, 45%RH

Dry Bulb Temperature˚C

Air flow rate = 10195CMH

Humidity ratio - Pound of Moisture per Pound of Dry Air (g/g)

• Humidity requirement at 60% or below all year around

Filtration System

- Protect your cooling water to achieve high efficiency ATAL provides a full range of products including centrifugal, disc and media filtration systems from PEP to protect your cooling water against contamination, suspended solids, and even legionnaire’s disease. PEP has leaded the industry for over 30 years in designing and manufacturing the most reliable and efficient filters.

Advantages: Granular Media Filter - Innovative module universal face piping • The new SMF2 series represents the next generation of self-cleaning media filters • Featured with revolutionary universal face piping with high efficiency media packs • Enable to achieve maximum versatility while minimizing installation cost Multi-media Filter - Effectively remove large vol. of suspended solids • Utilize depth media to obtain a highly-efficient mechanism of removing particles and reducing turbidity

SMF2 Granular Media Filter

• Enhance functionality by different media for removing dissolved contaminants, organics and odors Disc Filter - Effectively remove suspended particles from systems • Reduce chemical usage and maintain system efficiency • Backwash water consumption is significantly less (up to 75%) as compared with any equivalent sand filter • Depth filtration accomplished with polypropylene discs that never need replacement • Small footprint and lightweight systems reduce installation costs Centrifugal Separators - Rugged, reliable and efficient automatic equipment • Available in many sizes as standalone units or skid mounted systems • Effective in removing suspended particles of 40 microns or larger from a flow stream

Disc Filter

6

Chiller (1) Air Cooled Water Chiller

- Groundbreaking Technology: The Hitachi Modular Chiller

ATAL provides full range of Hitachi green air conditioning systems including screw, centrifugal, absorption, air cooled chillers, water cooled heat pumps, heat pump chillers, heat recovery systems, heat pumps and heat recovery chillers. The Hitachi Modular Air Cooled Water Chiller is really a groundbreaking technology for flexibility and efficiency.

Advantages: High Performance • Leading COP performance up to 3.7 • Improved overhaul time up to 40,000 hrs

Adopting New R134a Compressor -lower Global Warning Potential (GWP)

Minimum Installation Space • Improve the air-side heat exchanger and adopt high functionality structure • Minimize the installation and service space for multiple unit installation Convenient Modular Type • Flexibility of installing up to 8 module units of different capacities with the embedded multiple unit control (109kW to 1328kW per system) • Additional controller is not required for combining up to 8 units

Installation units can depend on the customer needs for energy saving or minimum installation space purposes

Adoption of New Graphical Controller

Green Product Design • Use lower Global Warning Potential (GWP) refrigerant R134a • Significantly reduce CO2 emission and the annual power consumption

Display Compressor’s Cycle Data

Display Units Conditions

User-friendly Touchscreen Display • Visualize the unit operation, monitor or adjust the settings efficiently

7

History Log Screen

(2) Centrifugal Chiller

- Top Class Highly-efficient and Reliable Chiller

Highly-efficient New series Centrifugal Chillers that use HFC134a are excellent products developed by Hitachi, fully utilizing its advanced technologies and rich experience. They are active throughout the world due to their high reputation and excellent performance.

Advantages: Excellent Energy Saving Effect • First-class efficiency greatly saves energy for users Compact Design • Significantly compact and lightweight design enables space saving and easy replacement High Reliability • Hitachi’s unique technologies enhance high reliability and long-term stable operation Highly-efficient Refrigerant Cycle • 2 stages compression cycle enhances refrigerating cycle efficiency Highly-efficient Compressor • 3 dimensional blade impeller (2 stages) enhances compressor

2-stage Centrifugal Chiller Cycle

• Low specific speed compressor enables the use of low-loss bearing structure efficiency High Performance Heat Exchanger • Enhanced efficiency is resulted from improved performance of heat exchanger Control panel LCD screen

8

(3) Oil Free Chiller

- Liquid chiller equipped with magnetic levitation two-stage centrigal compressors

ATAL offers highly-efficient RC Oil Free Centrifugal Air Cooled Chillers from 280kW to 1500kW and Water Cooled Chillers from 280kW to 1840 kW. RC is an Italy-based manufacturer who has been the HVAC expert since 1963. It has manufactured oil free chiller since 2003. Now over 120 RC chillers are operating around the world. cooling capacity compressors refrigerant fan type microprocessor

UNICO Turbo FL

260,0 ÷ 1524,0 kW centrifugal R134a axial (UNICO series) MP.COM

FRIGO Turbo FL

Advantages:

Loss of efficiency vs % of oil content in conventional compressor

Small Footprint With Light Weight • Minimize plant room & maintenance space • 120 to 130kg per compressor for easy handling and replacement Easy Operation • Multi-compressor to eliminate operating downtime • Plug and play operation • Common parts for easy maintenance Wide Range Of Air/Water Cooled Chiller Available • ‘Silenced’ and ‘Super Silenced’ model available for air cooled model • Fresh water and air water condenser available for water cooled model

Outstanding part load efficiency after oil free compressor adopted •

9

30-50% energy saving

• Shrink carbon footprint Oil Free Compressor

(4) Multi-functional Chiller

- Multifunction air cooled packaged units suitable for 4 pipe plants

The MULTIPLO SCREW liquid chillers manufactured by RC are designed for air conditioning applications in any climatic zones. They are suitable for hotels, health centres, hospitals and for all those installations where simultaneous production of cold and hot water is required.

cooling capacity heating capacity compressors refrigerant fan type microprocessor

190,0 ÷ 1153,0 kW 256,0 ÷ 149,0 kW screw compressors R134a axial (with stepless speed control) MP.COM

• Shell and tube evaporator with one refrigerant circuit for each compressor • Pump-down stop system

MULTIPLOSCREW

Advantages: • Suitable for independent or simultaneous production of chilled water for cooling and hot water for heating (4 pipes plant), throughout the year • Great stability in heating / cooling operation with dual condenser and evaporator configuration • Availability of partial heat recovery system • Availability of kit for the reduction of noise • Availability of EC fans for higher efficiency

10

(5) Heat Pump and Heat Recovery Chiller - Feature high efficiency and energy conservation

ATAL offers the Hitachi ASYZ series Air Cooled Heat Pump and RHUG Series Water Cooled Heat Pump. They feature high efficiency and energy conservation, which are specially developed for various air conditioning systems and industrial refrigeration systems.

Advantages: ASZ Series Air Cooled Heat Pump • Operational condition from -10 to 21o C • Capacity from 144kW to 398kW • Using the latest Hitachi semi-hermetic screw compressor with centrifugal oil separator RHUG Series Water Cooled Heat Pump • Operational condition from 5-20o C & from 22-55oC • Capacity from 143kW to 1725kW • Using the latest Hitachi semi-hermetic screw compressor with centrifugal oil separator

11

VRF Multi-split Air Conditioning System - Offer greater functionality, control and cost savings

HITACHI SET-FREE FSXN1 / SET-FREE FSXNH

ATAL offers the new developed Hitachi SET-FREE FSXN1 and FSXNH air conditioning systems. This enables users easier to have simple, effective control of their air conditioning units to avoid unnecessary energy wastage, including overheating, overcooling and unattended operation. In addition, our solution also helps customers to save time, money and space, and to enjoy the flexibility in extending or modifying their air conditioning set-up to suit changing needs.

Advantages: Compatible With Other Systems • Compatible with Hitachi’s system free indoor units and heat recovery ventilation units Wide Product Range • FSXXN1 (standard type): 8 to 54HP • FSXNH (high efficiency type): 5 to 36HP Energy Saving • Heat recovery and DC Inverter Driven Compressor Flexible Installation • Compact, light design and flexible refrigerant piping Comfort And Reliability • Impressively low noise levels with noise reduction preference mode

Touch Screen

Simple Control • Controlled by Network System • Off coil temperature control

12

Cooling Tower ATAL is the sole distributor of Evapco (a US-based and world-wide market leader in evaporative cooling equipment with manufacturing facilities in both Shanghai and Beijing), providing hundreds of cooling tower models for outdoor and indoor applications including open type cooling tower and closed circuit type cooling tower (induced or forced draft type).

LSTE/LPT

- The new & improved LSTE and LPT forced draft centrifugal cooling towers feature IBC Compliance in addition to CTI Certification Easy Field Assembly

Exclusive EVAPAK® fill

• Ensures easy assembly and fewer fasteners • Incorporates self-guiding channels to guide the casing section into position, improving the quality of the field seam

• Provides the most efficient thermal performance per plan area • Suitable for using as a working platform

Stainless Steel Strainer • Resists corrosion better than other materials Clean Pan Design • Sloped design allows water to drain completely from cold water basin • Easier removal of dirt and debris

LSTE High Efficiency Drift Eliminators • Advanced design limits maximum drift rate to 0.001% of the recirculated water rate • Corrosion-resistant PVC for long life

CTI Certified

G-235 Heavy Mill Galvanized Steel Construction

LPT

• Stainless steel available as an affordable option

Easy To Service Motor & Drive System

IBC Compliant Construction

• Belt tensioning and bearing lubrication can be performed outside the unit • Locking mechanism can also be used as a wrench to adjust the belt tension (LPT only)

• LSTE and LPT are designed to withstand 1.0 g seismic load and 145 psf wind load • Upgraded unit construction built to withstand 5.12 g seismic load and 145 psf wind load

• Motor is fully accessible by removing one inlet screen

AT / UT / USS

- The advanced technology design providing easier solutions and better choices Available in 60 cross sections and a capacity range of 140 to 22,128kW! The AT has model for every application. Optional Motor Davit and Working Platform Motor Davit • Motor davit and bracket option for easy motor removal Platform • Platform and ladder arrangement available as an option • Provides additional working surface for the service mechanic

NEW! EvapJetTM Nozzle Water Distribution System

EVAPCO Power-band Drive System

• Non-corrosive PVC construction with new EvapJet™ nozzles • Large orifice nozzles prevent clogging and are threaded for easy removal and positive positioning

• Standard heavy-duty pillow block bearings with a minimum L10 life of 75,000 hours • Extended lube lines • External motor/belt adjustment • Aluminum Alloy Sheaves, Solid-back Multigroove Power-band Belts and Totally Enclosed motors are standard • Five (5)-Year Motor and Drive Warranty Clean Pan Sloped Basin Design • Designed to completely drain the cold water basin • Helps prevent buildup of sediment and biological film

Totally Enclosed Fan Motors • Motors positioned for external access • Motor location allows easy accessibility and serviceability • VFD-friendly EVAPCOAT Corrosion Protection System • G-235 Galvanized Steel Construction • Another EVAPCO standard – the stainless steel suction strainer eliminates excessive wear and corrosion • Non-corrosive PVC Water Distribution System, Drift Eliminators and Inlet Louvers EVAPCO unequivocally guarantees the thermal performance of the AT cooling tower product line.

CTI Certified-standard 201 • Independent Certification • Eliminates necessity for costly field performance tests

14

Radiant Cooling System - The next generation of Cooling System

ATAL introduces the latest green air conditioning technology - Chilled Beam/Ceiling System that is prevalent in Europe as a means of managing large sensible cooling loads with excellent energy performance, low acoustic signatures as well as improving the room comfort level. TROX is the leading designer and manufacturer of HVAC solutions and its Chilled Beam/Ceiling products have thousands of installations worldwide. The products combine state-of-the-art technology with the best architectural standards.

Advantages: Excellent Energy Performance • Using water as the heat transfer medium allows a reduction in the energy required to remove an equivalent amount of energy as an all-air system • Saving about 30% in fan energy by reducing the supply air flow rate

Conventional HVAC system VS Radiant Cooling & Chilled Beam

100% Peak Power 37.5% Fan and Motors

• Improving the overall efficiency of chiller by using higher chilled water temperatures • Saving about 25 - 40% in total energy annually

18.8% Chiller 62.5%

9.3% 34.4%

Lower Maintenance Costs • No moving parts - much easier to maintain than other hydronic systems, such as fan coils • No filters or condensate trays to replace • Simple cleaning procedure Improving Area Comfort Level • Significantly reduce air velocities, minimum air movement < 0.2m/s • Low noise level system

15

57.5% Air Transport Load

1.5% 7.5% 9.4%

Other Loads

34.4%

Load From Lights

Conventional HVAC System

Pumps

1.9%

Radiant Cooling and Chilled Beams

Percentages Relative to Overall Peak Power for the Conventional System

ASHREA Journal, September 2008

Air Flow Pattern- Cold Air Fully Flush in Room

VAV Terminal Box - For variable volume systems

By combining our DDC control technology and TROX air terminal units, ATAL provides you one-stop solution to meet your CAV & VAV requirement. Our solution has been widely used in almost any control, regulation and shut-off tasks for room air conditioning systems.

This type of VAV terminal unit consists of a circular inlet spigot connection to suit imperial duct sizes in inches. The multipoint flow sensor grid and volume control damper with rubber tip seal are fitted to the circular inlet spigot. The VAV unit has a rectangular outlet connection. To reduce the air discharge noise, the terminal box is internally lined with acoustic and thermal insulation.

Advantages: • Easy to install with light weight

Control damper

• Reduced volume for transportation • Variable versions for choosing: short case version, extended case version, multiple outlet version and electric reheater version • Superior acoustic performance Pw

Differential pressure grid

16

17

Our Proven Track Records We have numerous proven track records in the commercial, industrial, residential and government sectors.

18

Our Proven Track Records

CLP Black Point Power Station (2013) - Dessiccant Dehumidification System & Air Cooled Chiller

Elements Ice Rink (2010) - Dessiccant Dehumidification System

Cathay Pacific Cargo Terminal (2011) - Filtration System

19

28 Hennessy Road (2011) - Filtration System & VAV Box

Hong Kong University Centennial Campus (2011) - Filtration System & Cooling Tower

Ko Shan Theatre (2013 & 2014) - Fitration System & Cooling Tower

Discovery Park Shopping Centre (2011) - Cooling Tower

20

Our Proven Track Records

Office of An International Bank in Shek Mun (2014) - Chilled Beam & Chilled Ceiling

21

Science Park Phase III (2008-2014) - Chilled Beam, VRF System & VAV Box

Shatin Peak One (2010) -VRF System

Chek Lap Kok Civil Aviation Department (2010) - VRF System

Lavotto (2010) - VRF System

22

Our Proven Track Records Mongkok Hang Seng Bank (2012) - Air Cooled & Water Cooled Chiller

Plaza Hollywood (2014) -Oil Free Chiller

23

Miramar Tower (2014) - Oil Free Chiller

The Forum, Exchange Square (2014) - VAV Box and Air Cooled Chiller

International Commerce Centre (2011) - VAV Box

One Island East (2009) - VAV Box

24

ATAL Building Services Engineering Ltd. provides total solution from design, installation, testing, commissioning to maintenance and operation of full spectrum of building services works, including MVAC, Electrical, Fire, Plumbing & Drainage, ELV, Energy Management, Control and Building Management Systems for building and infrastructure development projects. We offer a wide range of intelligent and green building solutions include: ▌ AudioVisual & Communication ▌ Building Management & Control ▌ Efficient HVAC Solution ▌ Electrical Systems ▌ ELV & Security ▌ Energy Management ▌ Lighting Solution ▌ Renewable Energy ▌ Thermal Storage

ATAL BUILDING SERVICES ENGINEERING LTD 08/14

13/F, Island Place Tower, No. 510 King’s Road, North Point, Hong Kong Tel: 2565 3399 • Fax: 2562 6401 • Email: [email protected]