Zehnder Rittling VS Series Installation, Operation And Maintenance Manual page 34

Standard removable perimeter return air panel
26-9/32"
21-1/8"
58"
63-5/32"
Available for sizes 09-18
32-9/32"
27-1/8"
63-29/32" 58-3/4"
Holes to secure
frame to studs
(typical)
2
Notes:
1
n Seal between the frame and cabinet
with a weather serial gasket (provided
with cabinet) to avoid air from being
pulled in from the wall cavity.
n Do not attach frame to cabinet.
n Frame support shipped with cabinet.
n Door assemblies shipped separately.
32
2-15/16"
55-1/4"
2-15/16"
1
56"
3
Allen lock, removable
Item number
1
2
3
4
5
6
6
7
32-9/32"
27-1/8"
63-29/32" 58-3/4"
Available for sizes 24-36
Holes to secure
frame to studs
(typical)
2
4
5
Description
Return panel
Quarter turn fastener
Door stop
Screw
Pivot angle
Frame
Frame support
2-15/16"
56"
3
6
7
Quantity
1
1
3
10
2
1
1