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© Fläkt Woods 1
The first employees !




                  The year was 1920 and the place a mill at the Dunkehalla river
               ...
Businesses and Product Offerings
           3300 employees worldwide
                       Buildings Markets             ...
ECONET® Air Handling Unit




© Fläkt Woods 4
High Efficient Energy recovery systems

Fläkt Woods is a world leader in energy recovery systems for air
handling units. T...
ECONET® The new heat/cooling recovery system

                     The traditional way
                                   ...
ECONET® The new heat/cooling recovery system

                      The traditional way
                                  ...
ECONET® Benefits (investment)

        ECONET reduces the investment costs
           Reduces the size of the chiller
    ...
ECONET® Case cooling

   Reduction of cooling power by utilizing cooling recovery and IEC


                              ...
ECONET® Case cooling

   Reduction of cooling power by utilizing cooling recovery


                                (50 kW...
ECONET® Benefits (investment)

        ECONET reduces the investment costs
                Reduces the size of the chiller...
ECONET® Case heating


   Reduction of heating power by utilizing superior heat recovery

                           (239 ...
ECONET® Benefits (LCC, investment/running costs)

          ECONET reduces the investment costs
               Reduces the...
ECONET® Benefits (impact of running costs)

EU-53 (8,8 m³/s, 31 680m³/h)
                                           No rec...
ECONET® Applications


         Everywhere where there is a need of a ‘run around coil’ solution


         Everywhere, wh...
Kiitos


© Fläkt Woods 16
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P Sundelin: Econet - matalaenergiajärjestelmä ilmanvaihtoon

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Peter Sundelin's (Fläkt Woods) presentation in SAVE ENERGY Workshop arranged in Helsinki 4.5.2009 about building automation and HVAC technologies.

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P Sundelin: Econet - matalaenergiajärjestelmä ilmanvaihtoon

  1. 1. © Fläkt Woods 1
  2. 2. The first employees ! The year was 1920 and the place a mill at the Dunkehalla river in Jönköping. © Fläkt Woods 2
  3. 3. Businesses and Product Offerings 3300 employees worldwide Buildings Markets Industry Markets Non Residential Hygiene Buildings Special Infrastructure Light Industry Buildings Structures Air Climate: 60% of T/O Air Movement: 40% of T/O Fans for Infrastructure Air Handling Units Coolers Chillers Cement, Power Tunnels Industrial System diffusers Steel Metros Processes Diffusers Ducts Fans for Industry Fans Box fans Fire dampers General Electro- Traction Industry Mec Dehumidification Energy Recovery Acoustical © Fläkt Woods 3
  4. 4. ECONET® Air Handling Unit © Fläkt Woods 4
  5. 5. High Efficient Energy recovery systems Fläkt Woods is a world leader in energy recovery systems for air handling units. The most popular systems are: Run around coils solutions, ECONET or Ecoterm No risk of odour and bacteria transfer Free to separate the supply air unit from the exhaust air unit Rotary heat exchanger Good heat recovery efficiency Risk of odour and bacteria transfer Plate heat exchanger Simple solution Moderate heat recovery Small risk of odour and bacteria transfer © Fläkt Woods 5
  6. 6. ECONET® The new heat/cooling recovery system The traditional way The ECONET way Unique for ‘run around coils’ Flexible installation and performance No leakage between the supply and return air (no odour and bacteria transfer) Can also be used for corrossive and polluted air © Fläkt Woods 6
  7. 7. ECONET® The new heat/cooling recovery system The traditional way The ECONET way Unique for the ECONET way 1 component, 4 functions lower pressure drops,shorter AHU Increased heat recovery efficiency 60…75% performance Able to use cooling recovery Allways prepared for cooling and cooling recovery Possibility to utilize process/waste heat Perfect for district cooling/heating Fitted for VAV systems © Fläkt Woods 7
  8. 8. ECONET® Benefits (investment) ECONET reduces the investment costs Reduces the size of the chiller Reduced cold water flows, pipe work dimensions Reduces the size of the boiler Reduced hot water flows, pipe work dimensions Can utilize cheap waste heat Reduced energy costs Better energy recovery Possibility to use waste heat Smaller foot-print 1 component instead of 3 components in the supply air unit Shorter installation time Pre-fabricated pump unit with pre-programmed control box. © Fläkt Woods 8
  9. 9. ECONET® Case cooling Reduction of cooling power by utilizing cooling recovery and IEC (95 kW) The exhaust air 28°C 18°C 19°C 24°C 24°C 238 kW 22ºC (120 kW) 11°C 32°C 16°C The supply air 44% of the cooling power needed taken from cooling recovery © Fläkt Woods 9
  10. 10. ECONET® Case cooling Reduction of cooling power by utilizing cooling recovery (50 kW) The exhaust air 29°C 18°C 24°C 24°C 26ºC (167 kW) 11°C 32°C 16°C The supply air 23% of the cooling power needed taken from cooling recovery © Fläkt Woods 10
  11. 11. ECONET® Benefits (investment) ECONET reduces the investment costs Reduces the size of the chiller Reduced cold water flows, pipe work dimensions Reduces the size of the boiler Reduced hot water flows, pipe work dimensions Can utilize cheap waste heat Reduced energy costs Better energy recovery Possibility to use waste heat Smaller foot-print 1 component instead of 3 components in the supply air unit Shorter installation time Pre-fabricated pump unit with pre-programmed control box. © Fläkt Woods 11
  12. 12. ECONET® Case heating Reduction of heating power by utilizing superior heat recovery (239 kW) The exhaust air +23°C 18°C (99 kW) 149 kW 27°C -12°C +20°C The supply air 70% of the heating power needed taken from heat recovery © Fläkt Woods 12
  13. 13. ECONET® Benefits (LCC, investment/running costs) ECONET reduces the investment costs Reduces the size of the chiller Reduced cold water flows, pipe work dimensions Reduces the size of the boiler Reduced hot water flows, pipe work dimensions Can utilize cheap waste heat Reduced energy costs Better energy recovery Possibility to use waste heat Smaller foot-print 1 component instead of 3 components in the supply air unit Shorter installation time Pre-fabricated pump unit with pre-programmed control box. © Fläkt Woods 13
  14. 14. ECONET® Benefits (impact of running costs) EU-53 (8,8 m³/s, 31 680m³/h) No recovery Ecoterm ECONET® Running time: 24 hour/day, 365 d/y, CAV system Duration curve: Berlin Supply air temperature: 20°C…16°C Exhaust air temperature: 22°C…24°C Efficiency variants for the coils ECONET Ecoterm 5/supply air coil 2/supply air coil 3/exhaust air coil 3/exhaust air Heating energy 769 MWh 211 MWh 136 MWh Cooling energy 155 MWh 155 MWh 129 MWh © Fläkt Woods 14
  15. 15. ECONET® Applications Everywhere where there is a need of a ‘run around coil’ solution Everywhere, where You have ‘waste’ heat available Everywhere, where You want to optimise Your cooling system Everywhere, where You have too small equipment rooms Everywhere, where You want to protect Your supply air filter In 9 Years more than 1500 systems sold © Fläkt Woods 15
  16. 16. Kiitos © Fläkt Woods 16

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