W4 Smart xs

A small giant among ventilation units
W4 Smart xs is the lowest ventilation unit on the market and the quietest for its size. The unit with modular measurements (597 x 599 x 446 mm) is the answer for home less than 200 m² (100 l/s, 360 m³/h), and can be installed above a washing tower and leaves plenty of space for e.g. a folding rack. A preheater as standard and smart compensation functions ensure the  ventilation works continuously and does not cause unnecessary negative pressure on cold winter days. It also features the market’s smartest demand controlled humidity automation as standard. 
  • Ecodesign energy class A*
  • Air flow range 36 - 360 m³/h
  • Temperature efficiency up to 82 % (EN 308)
  • Annual efficiency up to 79 % (Stockholm 21°C)
  • Demand-controlled humidity function as standard
  • Automatic summer function and passive cooling
  • Anti-frost protection ensures continuous ventilation
  • External coils for heating and cooling as an option
  • Can be connect to the automated building management system (I/O / Modbus)
  • Low installation height for installation above laundry columns
  • Control System CASA Smart

*Energy classification according to EcoDesign directive Lot 6. Energy class may vary depending on the selected accessories.

Controls (options)

CASA Smart ventilation units are equipped with the market’s most versatile control options! Select the required control method or combine several!

Download documents

You can find more documents on our document search page. Looking for older versions, you can find them in the document archive

Document Article Document type Size Format Download
A water trap Swegon CASA Instruction 468.89kB pdf
Product fiche Ecodesign CASA W-units Others 134.78kB pdf
Ecodesign W4 Smart xs ProductSheet 579.99kB pdf
Dis-assembly instructions CASA W3/W4 Smart Others 1.06MB pdf
Technical manual CASA W3/W4 xs Instruction 4.47MB pdf
Instructions for filter replacement in ventilation units CASA Smart Instruction 314.43kB pdf
Resident quick guide CASA Smart panel Instruction 393.08kB pdf
BVD CASA W4 xs ProductSheet 151.42kB pdf
Ceiling mounting frame installation instruction CASA W3/W4 Instruction 2.68MB pdf
Technical manual Swegon CASA W4 Smart Econo Instruction 3.87MB pdf
Smart functions CASA Smart Brochure 3.83MB pdf
Instructions for use CASA W3/W4 Instruction 11.18MB pdf
Ecodesign W4 Smart xs ProductSheet 581.16kB pdf
Declaration of conformity Swegon CASA Quality 2.43MB pdf
Product leaflet CASA W4 Smart xs ProductSheet 7.11MB pdf
Overview Swegon CASA Brochure 8.64MB pdf
Ecodesign CASA W4 Smart Econo Others 579.85kB pdf