ReCooler Heat-Pump Energy efficient cooling unit for eq Air Handling Unit

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1 ReCooler Heat-Pump Energy efficient cooling unit for eq Air Handling Unit 28 May 2013

2 Agenda Introduction to Fläkt Woods Our Product Solution Technical Features Benefits

3 Fläkt Woods Index

4 We save energy! Limited Energy Sources The Environment Enforcement

5 Our Philosophy Optimal Energy Consumption Least Environmental Effects Outstanding Reduction in LCC Save Energy, Economy and Environment with Fläkt Woods

6 Fläkt Woods Every 6 minutes we deliver an Air Handling Unit To date, FWG installed base of energy recovery products have generated for our customers: 11B$ in energy cost savings >276 BkW energy savings, >54 m tons of CO2 savings Over buildings in 50 countries are equipped with Fläkt Woods air handling units Over 1200 ECONET systems for Energy recovery solutions 470 hospitals and 330 pharmaceutical plants in 22 countries worldwide

7 Fläkt Woods Locations and Talents Operations Business Units Agents 2300 Employees in Europe 400 Employees in US 600 Employees in Asia 3300 Employees with 2300 in Europe, 600 in Asia and 400 in US

8 Our product solution ReCooler Heat Pump Index

9 Integrated cooling Why ReCooler HP? One package Ease of installation One responsibility Imbeded in AHU More efficient Energy Recovery Compact No additional fan Aesthetical Cooling and heating function Higher efficiency than chillers and condensing units Inverter drive and PM scroll compressors Reduces compressors load High energy recovery (winter/summer)

10 Technical Features Components and Function Index

11 Why is Recooler HP Unique? Exhaust coil Control Dedicated electrical cabinet Splitable casing (option) SEMCO Rotor Inverter Drive Reversing valve Permanent Magnet Scroll compressor Inlet coil ReCooler HP integrates best components for cooling, heating and energy recovery

12 How ReCooler works? (Example in cooling mode) 41 C 30 C 25 C 32 C 27 C 18 C 19 C Less consumption SEMCO rotor reduces load Less complexity no extra fan,pumps & piping Packaged no condenser on roof top More efficient Lower temperature on condenser

13 How ReCooler works? (Example in heating mode) -8 C 0 C 22 C -5 C 16 C 23 C 24 C Less consumption SEMCO rotor reduces load Less complexity no extra fan,pumps & piping Packaged no condenser on roof top More efficient Higher temperature on Evaporator

14 Compressor Single compressor per circuit Reliable operation PM Scroll Compressor * Lower maintenance** Higher efficiency** Reliable operation** * Except size 008 = PM Rotary compressor ** Compared to piston compressors and asynchronous motors

15 Inverter Drive Inverter drive Best Part load efficiency Stable Air temperature Low starting current Power factor close to 1.0

16 Control Control Software Components protection Adaptive control Modbus or Analogic communication 2 X Electronic Expansion Valves Pressure and temperature transducers Flexible control Refrigerant charge control Easier maintenance

17 Engineered design (Compressors and Piping) Refrigerant piping design Compressors are out of Airflow Easier maintenance

18 Electrical Panel Dedicated to ReCooler o All power switches (High voltage) o Controls (low voltage) Out of airflow Control over operations Easier maintenance Dedicated fan for ventilation Increased safety Fläkt Woods control system ensures a reliable and stable system with a long life

19 SEMCO Wheel Highest energy recovery High sensible energy recovery performance High latent energy recovery performance Reduction of cooling need Reduction of electricity sizing for cooling

20 SEMCO Wheel Comfort & Reliability Less sensitive to cold climate Balanced humidity indoor climate Allows performance in high OAT

21 Performances Nominal heat pump capacity (not including recovery wheel) Size Cooling capacity Heating capacity kw 12.8 kw kw 18.6 kw kw 23.2 kw kw 28.5 kw kw 32.7 kw COP up 6.1 EER up to 18 including rotor EER up to 5.1 EER up to 22 including rotor Operating limits ( external temperatures) Cooling Heating Min 20 C -5 C Max 40 C 15 C

22 Concerning Areas where temperatures goes below -5 C In order to pass some period where external temperature goes below -5 C an electrical heater can be proposed: The unit will not require any additional site work If hot water is available nearby then a water coil can be proposed instead.

23 Summary Seasonal EER > 10 * PM Scroll Compressors Inverter drive * Including rotor heat recovery ReCooler HP Fresh air cooling and heating Reliable operation. Best In Class More efficient than chillers and condensing units. Aesthetical & Space efficient. Plug & Play. Comfort Air temperature Quality tested components in the factory. Fläkt woods is a supplier for the whole system. SEMCO Wheel Engineered Design

24 Benefits Consultants, Property owners & Contractors Index

25 ReCooler Overview Property owners & Consultants One package for cooling and heating. Space saving. One supplier. Inverter Drive and PM scroll compressors. Money saving and comfort. SEMCO Wheel. Increased reliability. Operating cost reduction. Embedded in eq unit. Aesthetic and space saving. Installation/Maintenance Engineers One package. Plug and play installation. Low electricity requirement for compressors. installation costs. Robust and Engineered design. Easier maintenance. Split version. Ideal for renovation.

26 Thank You Index

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