Zehnder Rittling VS Series Installation, Operation And Maintenance Manual page 11

Dimensions and data: Slave (VHNS)
M L
1-5/8"
2-1/8"
2-5/16"
A
Top view
2-3/8"
2-1/4"
Front view
* Supply grille rough-in dimensions
H
Optional
duct
connection
Reference only:
Field piping to master by others.
Ensure master and slave are
N
connected supply-to-supply and
return-to-return
Master
Return
3-1/4"
Condensate
Supply
Note: Riser knockouts are 2-1/2"
center to center
I
1" 3"
H
Optional 24V
thermostat
location
Optional
disconnect
switch location
Filter
Optional auto flow
regulator location
Return air
opening
Condensate drain pan
Unit dimensions: 88" height
Dimension
A
B
C
D
E
F
G
H
I
Slave
J
K
Supply
L
Condensate
M
Return
N
Knockout dimensions
typical for all
C B
Control box
2-11/16"
Control box
access panel
Air coil
Motor/blower
assembly
(return side)
Optional water
valve location
(supply side)
Hose
kits
Air coil
drain pan
Chassis
Factory-installed P-trap
Right view
Models 09-18 Models 24-36
18" 24-1/4"
8" 10"
12" 14"
10" 12"
14" 16"
54-11/16" 55-1/2"
5-9/16" 5-5/8"
2-1/16" 4-1/8"
4-1/16" 6-1/8"
1-15/16" 4-1/16"
3-5/16" 6-1/16"
1-1/4" 1-7/16"
3-1/4" 3-7/16"
4-3/4" 8-13/16"
K
J
E
D
Dimensions and data 9