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Swegon CASA Installation, Operation And Maintenance Manual

Air heater/cooler in combination with ground source heat pump

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Swegon CASA
®
Air heater/cooler in
combination with ground source heat pump
Installation, operation and maintenance instructions
for design engineers, installation engineers and service personnel
SDHWM_c_EN–m

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Summary of Contents for Swegon CASA

  • Page 1 Swegon CASA ® Air heater/cooler in combination with ground source heat pump Installation, operation and maintenance instructions for design engineers, installation engineers and service personnel SDHWM_c_EN–m...
  • Page 2 Supplement with the necessary protection. Included in the delivery: Accessories: • CASA W250F air heater/cooler, fully insulated • Condensate hose W2504F for the air heater/cooler: • Temperature sensor (T8) cable length 3 m 502130 •...
  • Page 3: General Description

    50 mm mineral summer, the medium in the ground circuit is used to insulation or 30 mm cellular rubber insulation and fitted cool the building. The control technology in CASA with a heating cable. Smart ventilation units automatically enables the best utilisation of the air heater/cooler all year round.
  • Page 4: Electrical Connections

    Select the heat medium pump function for the SET- connection unit’s relays. SET Relay 1 / SET Relay 2 = Liquid heating out limit -2°C Heat medium pump. Liquid cooling out limit 15°C www.swegonhomesolutions.com Swegon reserves the right to make changes.
  • Page 5: Use And Function

    The function of the water trap and drainage pipes for condensate water should be checked at least twice a year by pouring water in the bottom of the condensate tray. Swegon reserves the right to make changes. www.swegonhomesolutions.com...
  • Page 6 24VDC 1: CASA Smart ventilation unit* | 2: SDHWM air heater-cooler | 3: Outdoor air temperature sensor | 4: SET connection unit | 5: Heat pump* | 6: Solenoid valve* | 7: Circulation water pump* | 8: Extract air | 9: Power source 24 VDC* | 10: Operating switch for the circulation water pump ON/OFF* *) Not included in the delivery.
  • Page 7 NC NC NC T6 T7 SET2 SET1 T8 T9 1: CASA Smart ventilation unit* | 3: Outdoor air temperature sensor | 6: Solenoid valve* | 7: Circulation water pump* | 9: Power source 24 VDC* | *) Not included in the delivery.
  • Page 8 Air heater/cooler’s performance data: Air heater/cooler’s performance data Cooling: Capacity, kW Air flow l/s INCOMING AIR Temperature °C Relative humidity % OUTGOING AIR Temperature °C Relative humidity % INCOMING FLUID Temperature °C OUTGOING FLUID Temperature °C Fluid flow dm³/s 0.04 0.06 0.07 Pre-heating:...