Johnson Controls RF-2000 Installation Instructions

RF-2000 Round Fire Damper
Installation Instructions
Applications
The RF-2000 round fire damper is designed to operate
with blade running horizontally. Dampers can be
vertically or horizontally installed with the leading edge
of the closed blade within the wall or floor.
To ensure optimum operation and performance, the
damper must be installed so it is round and free from
raking. Do not compress or stretch the damper frame
into the duct or opening.
• Mounting - Vertical or Horizontal.
• Minimum UL Classified Size - 6 in. (152 mm)
diameter.
• Maximum UL Classified Size - 24 in. (610 mm)
diameter.
Installation
Notes
Use the following notes as guidelines when installing
this product.
1. Opening Clearance: A square opening in wood or
metal stud walls or masonry walls and floors shall
be a minimum of 1 in. (25 mm) and a maximum of
2-1/2 in. (64 mm) larger than the damper diameter.
A round opening in masonry walls or floors shall
be a minimum of 1 in. (25 mm) and a maximum of
2-1/2 in. (64 mm) larger than the damper diameter.
2. Damper Sleeve: The sleeve is integral to the
damper and shall be equal to or heavier than the
gauge of the duct as described in National Fire
Protection Association (NFPA) standard NFPA90A
and as defined by the appropriate Sheet Metal and
Air Conditioning Contractors' National Association
(SMACNA) duct construction standard.
3. Retaining Cinch Plates: Place retaining cinch
plates around the damper sleeve and cinch against
the sleeve with the screw provided on the cinching
device (see Figure 1). The plates are designed to
grab and hold the sleeve while mounting flush
against the wall or floor, retaining the damper
securely in the opening. The plates must overlap
the opening a minimum of 1/2 in. (13 mm).
Refer to the QuickLIT Web site
Figure 1: Retaining Cinch Plate Dimensions,
Fasten the cinch plates to the wall or floor
according to the following:
• Masonry Wall – Cinch plate required on only
one side of the wall fastened to the wall with a
minimum of 1-1/4 in. (32 mm) #10 masonry
screw.
• Masonry Floor – Cinch plate required on both
sides of the floor fastened to the floor with a
minimum of 1-1/4 in. (32 mm) #10 masonry
screw.
• Metal Stud Wall – Cinch plate required on only
one side of the wall fastened to the wall by
engaging the metal stud a minimum of
1/2 in. (13 mm) with a #10 screw.
RF-2000 Round Fire Damper Installation Instructions
44- 1121- 32, Rev . C
Part No. 44-1121-32, Rev. C
Issued March 2016
for the most up-to-date version of this document.
in. (mm)
1