5.6
Removing the operating panel
1) Disable the power supply.
2) Remove all electrical plugs from the operating panel.
3) Disconnect the ground cable from the ground bolt.
4) Loosen the locking units by loosening the hexagon distins.
5) Press locking hooks and slide operating panel forwards.
The operating panel can now be slid out from the back side through the open-
ing.
Information
Two persons are necessary for removing the operating panel since the op-
erating panel is slid out from the back side and removed from the front side.
CAUTION
Damage of the operating panel for improper handling!
●
Do not use pointed objects or other tools to loosen the operating panel from
the front side of the opening.
5.7
Air conditioning, ventilation
The operating panel has ventilation slots for heat dissipation. If the permissible
ambient temperature is not exceeded, no external fan will be needed. Make
sure that the ventilation holes are not covered.
CAUTION
High ambient temperature can destroy the operating panel!
●
The temperature inside the control cabinet may not be higher than the max-
imum permitted operating temperature of the operating panel. Please refer
to the technical data for this. If this cannot be guaranteed through natural
heat dissipation, an air conditioning of the control cabinet must be provi-
ded.
5.7.1
Use of air filters
Information
The operating panel must be installed in an appropriate housing to guarantee
that no degree of soiling greater than 2 according to EN 61131-2 occurs.
It is recommended to install the module in a dustproof, closed control cabinet.
Fan openings of the control cabinet must be equipped with air filters. The filter
Mounting and installation instructions
OP 460-LD/A
© KEBA 2012
Project engineering manual V1.05
32