12
Vertical Air Handling Unit
• It is particular that the units should not be installed in such a manner that the access panels facing up
or down
• It should be confirmed that the installation is in accordance with all relevant building codes that may
necessitate installation of external condensate pan.
-Set up a support for unit by locating it in or above external condensate pan.
• Angle steel support brackets with threaded rods which supporting the units from the underside should
be used as shown in the figure below if the units are suspended.
• If not suspended then also it should be supported as same as mentioned above and also carefully
isolated to avoid sound transmission. The size of the support should comparatively bigger than the
unit and the unit must be place at centre of the support.
• Locally available vibration isolators must be placed between the unit and the support.
• The same installation method of up flow type has to be used in the case of Return Plenum and sup-
ply duct.
Installation
Horizontal-left Installation
To ensure proper drainage for horizontal installations, unit must be installed so it is within 1/8” level of
the length and width of unit.
B
A
C
More than 1-1/2
inch(38 mm) X 1-1/2
inch(38 mm) angle
Recommended
length more than 26
inch(660 mm) with
2 inch(50 mm)
clearance on both
sides of unit
More than 3/8 inch
(9.5mm) threaded rod
Field Supplied
Supply Duct
Field Supplied
Return Plenum
Suspension support locations
Caapcity
(kBtu(RT))
Dimension
A
B
C
12(1.0)
18(1.5)
24(2.0)
30(2.5)
36(3.0)
4(100)
23(580)
41-1/2
(1050)
42(3.5)
48(4.0)
54(4.5)
4(100)
29(730)
48(1220)
(Unit : inch(mm))
