Planning the cabinet installation
32
Free space around units with busbars on the short side (flat mounting +H360)
The required free space at the
air inlet side of the drive
module:
• 0 mm (0 in.) if cabinet
gratings are located at the air
inlet side of the drive module
and are as high as the grating
in the module [R7: 675 mm
(27 in.), R8: 1120 mm
(44 in.)]
• 150 mm (5.91 in.) with air
inlets at the lower part of the
cabinet only or with cabinet
gratings at the long side of
the drive module only.
0 mm (0 in.)
50 mm (1.97 in.)
100 mm (3.94 in.)
Air inlet gratings in the cabinet are recommended at the air
inlet side of the drive module if free space in front of the
long side of the module is less than 150 mm (5.91 in.). The
required area of the gratings is approximately
3 × 300 mm × 300 mm (3 × 11.81 in. × 11.81 in.), the
minimum area is given on page 28.
Required area of air inlet gratings is approximately
3×300mm×300mm (3×11.81in.×11.81in.)
Air baffle. Not needed if the drive module touches the
cabinet door or the module air inlet touches the air inlet
grating of the cabinet.
Cables connected to the vertical
output busbar terminals require
50 mm (1.97 in.) free space around
the busbar terminals for cooling.
Cables connected to the output busbars of the
pedestal require 100 mm (3.94 in.) free space
around the busbars for cooling.
Air inlet side of the
drive module
If < 150 mm
(5.91 in.)
If > 150 mm
(5.91 in.)
Location of air inlet gratings
Door
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