MODEL RD1, RD2 and RD3
RADIATION DAMPER
INSTALLATION INSTRUCTIONS
For Use In 1, 2 or 3 Hour Rated Floor-Ceiling and Roof-Ceiling Designs
•
Horizontal Mount Only
•
For Use With The Following Fan Models:
•
Damper
Fan Models
RD1
Broan • L100, L100C, L100EX, L100MG, L150, L150C, L150EX,
L150MG, L200, L200C, L200EX, L200MG, L250, L250C, L250EX,
L250MG, L300, L300C, L300EX, L300KMG, L300MG
ABC / Chelsea / Powerline • NCF100, NCF150, NCF200, NCF250,
NCF300
Acme • 992900, 992901, 992902, 992903, 992904, 992949, 992950,
992951, 992952, 992953, VQ100, VQ150, VQ200, VQ250, VQ300
American Cool Air • CFL10A1151, CFL15A1151, CFL20A1151,
CFL25A1151, CFL30A1151
Breidert / Jenco • FF100, FF100-230V, FF100-277V, FF150, FF150-
230V, FF150-277V, FF200, FF200-230V, FF200-277V, FF250, FF250-
230V, FF250-277V, FF300, FF300-230V, FF300-277V
Carnes • VCDD010C, VCDD010CF, VCDD010CP, VCDD015C,
VCDD015CF, VCDD015CP, VCDD020C, VCDD020CF, VCDD020CP,
VCDD025C, VCDD025CF, VCDD025CP, VCDD030C, VCDD030CF,
VCDD030CP
Twin City • T100, T100C, T100EX, T150, T150C, T150EX, T200,
T200C, T200EX, T250, T250C, T250EX, T300, T300C, T300EX
US Fan • UVQ100, UVQ150, UVQ200, UVQ250, UVQ300
RD2
Broan • L400, L400C, L400EX, L400K, L500, L500C, L500EX, L500K,
L700, L700C, L700EX
ABC / Chelsea / Powerline • 992905, 992906, 992907, 992954,
992955, 992956, NCF400, NCF500, NCF700
Acme • VQ400, VQ500, VQ700
American Cool Air • CFL40A1151, CFL50A1151, CFL70A1151
Breidert / Jenco • FF400, FF400-230V, FF400-277V, FF500, FF500-
230V, FF500-277V, FF700, FF700-230V, FF700-277V
Carnes • VCDD040C, VCDD040CF, VCDD040CP, VCDD050C,
VCDD050CF, VCDD050CP, VCDD070C, VCDD070CF, VCDD070CP
Twin City • T400, T400C, T400EX, T500, T500C, T500EX, T700,
T700C, T700EX
US Fan • UVQ400, UVQ500, UVQ700
RD3
Broan • L900, L900C, L900EX, L1500, L1500C, L1500EX
ABC / Chelsea / Powerline • NCF900, NCF1500
Acme • 992908, 992909, 992957, 992958, VQ900, VQ1500
American Cool Air • CFL90A1151, CFL150A1151
Breidert / Jenco • FF900, FF900-230V, FF900-277V, FF1500, FF1500-
230V, FF1500-277V
Carnes • VCDD090C, VCDD090CF, VCDD090CP, VCDD150C,
VCDD150CF, VCDD150CP
Twin City • T900, T900C, T900EX, T1500, T1500C, T1500EX
US Fan • UVQ900, UVQ1500
1. Plan installation so that ceiling penetration is located within ceiling tiles or pan-
els without necessitating cuts in any ceiling suspension main runners or cross
tees. If required, a maximum of one runner or cross tee may be cut to accom-
modate desired damper location. Cut ends must be supported by a minimum
12 steel wire gauge (3mm) vertical hanger wire.
2. Position radiation damper on the inlet side of the fan so that the arrow in the
damper will point UP in the finished installation. Attach the damper to the fan
using #8 (M4) sheet metal screws (provided). There must be a minimum of two
connections on each of two opposite sides. Care must be taken to ensure that
the fasteners do not interfere with the closing of the damper curtain. For best
results, use mounting holes provided. Use of a plastic grille requires that a
minimum 5/8" (16mm) wide ceiling support flange of steel (not provided)
be attached to the radiation damper around the inlet face, using #8 (M4)
sheet metal screws or 1/4" (6mm) diameter bolts with nuts. There must be a
minimum of two connections on each of the four sides. Care must be taken to
ensure that the fasteners do not interfere with the closing of the damper cur-
tain.
3. Mount fan/damper assembly to the deck or ceiling structure above or adjacent
to the assembly. If the assembly is hung from the structure above, a minimum
12 steel wire gauge (3mm) hanger wire must be used. There must be a mini-
mum of two wires on each of two opposite sides. If the assembly is directly
mounted to the adjacent structure, use #8 (M4) sheet metal screws or 1/4"
CLASSIFIED
SEE DETAILS ON UL
CLASSIFICATION
MARKING ON
ENCLOSED PRODUCT
FAN
CEILING
SUPPORT
FLANGE
5/8" (16 mm)
MINIMUM
PLASTIC
GRILLE
If fan has a plastic grille -
a 5/8 (16mm) minimum wide
ceiling support flange of steel
must be used.
For replacement parts
telephone
1-800-558-1711.
ITEM PART NO.
DESCRIPTION
1
99523579
Fusible Link
2
99260485
Sheet Metal Nut
3
99170245
Damper Screw
4
99150573
Grille Screw
(6mm) diameter bolts with nuts to mechanically fasten it to the structure. Posi-
tion fan/damper assembly so that the inlet face of the radiation damper is flush
with the finished surface of the ceiling. Ceiling opening must be no larger
than the inlet opening of the damper.
4. Attach the grille supplied with the fan over the inlet face of the radiation damper
using #8 (M4) sheet metal screws (provided). There must be a minimum of
one screw on each of two opposite sides. For best results, use mounting holes
provided.
WIRE
MOUNTING
DAMPER
BRACKET
CEILING
GRILLE
SCREW
METAL
GRILLE
If fan has a metal grille -
no flange is required.
1
3
2
4
99042780F