B
10
Manual model IndAC
2.4.4
Adjusting and securing
1
Position the units against one another, in
one line, by placing the suspension rails
6
against one another. You may want to
fix the suspension rails to one another.
c
Caution:
Allow the units to hang independently from
each other. Do not fix them directly to one
another.
2
Fasten the suspension rails to the auxil-
iary structure.
w
Warning:
Make sure that the suspension rails can
never come loose from the auxiliary
structure.
3
Adjust the units to the same height, and
level them by tightening the nuts
5
.
c
Caution:
Ensure that the units are level in both direc-
tions; otherwise the fans may run out of true.
4
Secure the suspension to the threaded
rods by tightening the locknuts
3
.
w
Warning:
The threaded rods must be secured, oth-
erwise the unit may come down.
2.5
Installing units vertically
Only with installation position types 1
and 2
Example of a vertical installation
2.5.1
Method of installation
This manual assumes that the unit will be
placed on a base plate (accessory). The
units are stacked on one another.
c
Caution:
If no base plate is used, provide for a hori-
zontal and completely even surface, other-
wise the fans may run out of true.
Whilst the units could be standing freely, it is
always necessary to secure them to the wall.
2.5.2
Positioning
-
Depending on the type, position the units
to the left or right side of the door. Refer
to section 1.3.4.
c
Caution:
Do not install the unit in any position
other than that for which it is designed.
-
Position the discharge side of the unit at
the same width as the doorway.
-
Position the discharge side of the unit as
closely as possible to the doorway to en-
sure optimum operation.
