Zehnder Rittling VS Series Installation, Operation And Maintenance Manual page 33

Aluminum discharge grille
Double deflection with opposed blade damper
Individually adjustable blades on 2/3" spacing
C
Notes
n ■
All dimensions are in inches
n ■
All dimensions are ± 1/4
n ■
Discharge grilles are shipped loose for field installation
n ■
Vertical blades in the front, horizontal blades in the back, both
individually adjustable and on 2/3" spacing
n ■ Opposed blade damper with slide operator
n ■ Aluminum roll formed blade with semi-airfoil design
n ■
Pressure fit nylon pivot pins (rattle-free and non-loosening)
n ■
Aluminum extruded frame with mechanically locked corners
n ■
Countersunk screw holes
n ■
Standard finish is powder coated and will be the same color as the
return grille
n ■ Mounting hardware included
All listed dimensions are approximate and are subject to change
without notice.
A
2/3"
B
Dimensional data
Grille size
16" x 14"
14" x 12"
12" x 10"
10" x 8"
Supply grille arrangements
Unit Size
09
12
15
18
24
30
36
5/32"
1-1/4"
Slide
operator
5/8"
One piece extruded frame
A B
17-11/16" 15-11/16" 15-11/16"
15-11/16" 13-11/16" 13-11/16"
13-11/16" 11-11/16" 11-11/16"
11-11/16" 9-11/16" 9-11/16"
Single Double
discharge discharge
14" x 12" 10" x 8"
14" x 12" 10" x 8"
14" x 12" 10" x 8"
14" x 12" 10" x 8"
16" x 14" 12" x 10"
16" x 14" 12" x 10"
16" x 14" 12" x 10"
D
2-13/16"
C D
13-11/16"
11-11/16"
9-11/16"
7-11/16"
Triple
discharge
10" x 8"
10" x 8"
10" x 8"
10" x 8"
12" x 10"
12" x 10"
12" x 10"
Installation 31