4.4.3 Additional assembly steps for out-
door units
Roof segments
Air handling units for outdoor installation require the fol-
lowing additional assembly steps:
Fig. 16: Joining roof segments
1
Roof segments
2
Self-adhesive joint sealing tape
3
Cover strips
4
Self-drilling screws with sealing washers
1.
Seal all joints between the roof segments
( Fig. 16 /1) with self-adhesive joint sealing tape
( Fig. 16 /2). Follow the tape manufacturer's
instructions for use. Attach the cover strips
( Fig. 16 /3) and fix them with self-drilling screws
NOTICE!
Remove the eye nuts where the casing units
are to be joined so that you can actually join
the roof segments. Do not remove the other
eye nuts; they have to remain in place to pre-
vent the ingress of rain into the unit.
Fig. 17: Sealing the joints
2.
Seal the joints ( Fig. 17 /1) between the cover
strips with self-adhesive sealing tape (butyl tape).
Follow the tape manufacturer's instructions for
use.
Stacked units (step design)
Fig. 18: Step design
3.
Fix the connecting angle section for the roof seg-
ment with self-drilling screws and seal it with
sealant.
Attaching the weather hood
Setup and assembly
Setting up and assembling the air handling unit > Additional assembly steps for outdoor units
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