Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described.
Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or
property damage! Retain instructions for future reference.
Description
Heavy-duty dampers are constructed of extruded aluminum or galvanized steel frame and blades. Dampers can be mounted
horizontally or vertically. For intake or exhaust applications. Tie rod linkage is attached to blades on fan side.
Wiring Diagrams
Dimensions
ReaR View Closed
3"
¹⁄₂
"
A (C+3")
B (C+1")
C
D
(E+3")
E
F
(D / 2)
⁹⁄₃₂
" x
¹⁄₂
”
Slotted Mounting Holes
Note: Above dime or – normal tolerance of .0625”.
Motor
side View
(up to 24")
2"
BlADE
Clip
tiE roD
link
1
¹⁄₂
"
9"
(Closed)
12" (open)
side View
(25" to 72")
2"
BlADE Clip
BrACE
BAr
tiE roD
link
Motor
1
¹⁄₂
"
10
¹⁄₄
" (closed)
13
¹⁄₄
" (open)
S
2
S
3
S
1
NC
NO
0° to 95°
2 Hot
H L2
1 Neutral
N L1
12" to 49" - 100 to 240V, 50/60 Hz
OPERATING INSTRUCTIONS
Motorized daMpers
ModeL aMd/GMd 12" - 72"
50" to 72" - 24 to 240V, 50/60 Hz
NFBUP-S
24 to 240 VAC
Wht
Blk
TF120-S
