Vacon 100 INDUSTRIAL - The Optional Back Channel Cooling; Using the Back Channel for Cooling

4.8 THE OPTIONAL BACK CHANNEL COOLING
You can also use the back channel cooling option (+CHCB) for the cooling of the AC drive.
With this option, the intake air to the main cooling channel of the AC drive can be taken from
and exhausted to the outside of the electrical room. Because the heat losses of the drive are
directed outside, the cooling load of the electrical room is reduced.
USING THE BACK CHANNEL FOR COOLING
1 Make an opening in the wall behind the cabinet.
2 To prevent condensation in the cabinet, connect the
supply cable of the cabinet heater (+CACH,
delivered as default with this option) to the correct
terminals in the control compartment.
3 Attach the duct adapter flanges to the cabinet with
screws.
4 Do not install the cabinet in an airtight space.
Approximately 5-10% of the intake air must come
from the front.
•
The estimated amount of intake air is for MR8:
0 m
3
, MR9: 10m
3
, for MR10: 20m
3
, for MR12:
40m
3
.
NOTE!
MR8 does not take in air from the front.
5 Make sure that there are no particles in the air that
can block the heat sink.
6 Move the cabinet adjacent to the wall, or attach the
duct adapter flanges to the air duct.
•
Do not make attachments to other parts of the
drive except the white flange that you can see
in the picture.
7 Make sure that you seal the openings correctly.
VACON · 46 MOUNTING
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