Illustration 4.26: Temporarily install duct work to
mark cutout on the gland
The cutout is made on the innermost gland
plate. The remaining two gland plates must be
removed for the installation of the bottom
duct assembly.
Illustration 4.27: Enclosure bottom cutout
The bottom duct work is rotated into place as shown. The bottom ductwork is a tight fit by design.
The upper part of the duct fits under the bottom duct adapter and requires a tight fit which with
the gasket material maintains the IP 54 and UL and NEMA 12 rating.
Illustration 4.28: Bottom ductwork installed
Illustration 4.29: Installation of bottom duct
After the bottom ductwork has been posi-
tioned in place, remove the three T25 screws
from the outer holes in the mounting brackets
on the sides and front of ductwork and move
them to the inner holes of the same brackets.
Tighten the three screws to the specified tor-
que. The bottom duct work is not fastened to
Rittal enclosure.
Illustration 4.30: Move mounting screws from the
outer hole to the inner hole
Install the front cover of the duct and the ca-
ble clamp base if used. Install the two remain-
ing gland plates.
VLT
®
5000/6000/8000
High Power Installation Guide
4. Duct Work Cooling Kit for IP00 Units
MI.90.J2.02 - VLT
®
is a registered Danfoss trademark
41
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