Operating instructions

Assembly
Feed/Feed-Back Units BUC 624, 625 19
Baumüller Nürnberg GmbH 5.96024.06a
4.2 Assembly information
y Install the units vertically in a switching cabinet. Mount the BUS 62X Power modules next to the BUC
624, 625 Feed/Feed back Unit and connect the DC link using the supplied connecting rails on the
front rails of the BUS 62X Power module.
y Ventilation must be in the direction from the bottom to the top.
y Ensure that the flow of air is not obstructed.
y There must be a minimum clearance above and below the devices of
100 mm
and you must ensure that there is enough cooling air that can circulate freely!
y The temperature of the coolant 50 mm below the modules may be up to 45° C. At higher tempera-
tures (up to a maximum of 55° C), you must reduce the power of the devices by 3% per degree Cel-
sius.
y Do not locate any additional sources of heat above or below the devices.
y You must avoid degrees of contamination 3 and 4 according to provisional standard EN 50178:1994
Section 5.2.15.2. The devices are suitable for use in enclosed workshops (VDE 0558 Part 1a, Sec
-
tions 5.4.3.2.1 and 5.4.3.2.2).
WARNING
Inappropriate lifting can cause personal injury or damage to material assets.
Qualified personnel only may lift the unit using suitable equipment.
DANGER
Longer lines are not allowed, since otherwise there is a risk of destroying the device!
The live parts take more than one minute to discharge.
WARNING
It is crucial to comply with the ventilation measures listed below. Ignoring these measures can lead to
the device overheating.