Public Library Indianapolis, IN, USA

Sun tracking aluminium louvers

Sun tracking aluminium louvers
Public Library Indianapolis, IN, USA

Service / Elconeq

Conception of louver control for vertical aluminum louvers within the double-skin facade on the western elevation. Manufacturing, delivery and commissioning of the Louver Control, type Elconeq Compact.

  • Azimuth tracking of vertical louvers according to solar azimuth
  • Manual override by room control switches

3 linear drives (DC), 800 N, move the aluminium hollow section louvers precisely according to the calculated position of the sun.

  • Location: Indianapolis, IN, USA
  • Use: Public library
  • Architect: krM Architecture, Indianapolis, IN, USA
  • Client: Linel LLC, Mooresville, USA
  • Picture credit: Bruce Gardner, Linel, USA

Request

Sun tracking aluminium louvers for the space of the double-skin facade of the library's western facade, arranged in the upper part of the room. The louver system covers a length of 18m with 60 louvers, a louver width of 300mm and a height of 4.000mm. The completely opaque louvers prevent incidence of radiation and light and avoid overheating and glare. All louvers move synchronously. Operation must be silent. Backlash-free slat mechanism must be guaranteed.

System

The hollow section louver – socalled aerofoils - system features 300mm wide and 50mm deep louvers, white matt coated in PVDF Kynar, as a 2-layer application, for improved reflection and for architectural considerations. Whisper-quiet DC drive technology coupled with ball-bearing louver pivots lead to almost powerless positioning technology. Motor and kinematics are concealed. The control system has a decentralised design and consists of the central unit with display and the small distributors with the motor control units including the necessary transformers.

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