52DFI

Description

The damper employs a folded curtain style blade for point-of-origin control of radiant heat in a ventilation system. SIG-CRD2 installs in the ceiling membrane for floor/ceiling or roof/ceiling assemblies with a re resistance rating up to and including 3 hours.

Features:

• SIG-CRD2 – Ceiling Radiation Damper helps to limit the radiant heat transfer through an air inlet/outlet opening in the ceiling membrane. Fire resistance rated up to 3 hours floor/ceiling or roof/ceiling assemblies.
• Meets both UL555C and UL263. UL and cUL listed and exceeds UL 555C for use in 3-hour fire rated assemblies
• CSFM listing: 3226-1250:0106
• UL 555C listing: R16833
• Meets NFPA Standards: 90A and 101
• Meets Building Code Standards: IBC, NBC, NFPA, SBC, and UBC
• Installation is valid for the following UL rated wood truss ceiling:
  • Floor-Ceiling = L587 (Owned) Also found in the following for-ceiling designs: L528, L558, L562, L563 L574, and L585
  • Roof Ceiling = P556 (Owned) Also found in the following roof-ceiling designs: P533, P544, P545, P547, and P580
• Intended for installation with the following UL Listed Delta Electronic Fan Models SIG80, SIG80D, SIG110, SIG110D, SIG80-110, SIG80-110D, SIG80-110H, SIG80-110MH, SIG80-110LED, SIG80-110DLED, SIG80-110HLED and SIG80-110MHLED