Mounting
6.3 Mounting the control unit on the rear wall of the control cabinet
NCU 7x0.2
42 Manual, 02/2011, 6FC5397-0AP20-0BA0
6.3.3 Mounting the Control Unit for segregated heat removal
Introduction
If you wish to perform segregated heat removal on the NCUs with cooling fins, the NCUs can
be mounted directly on the rear wall of the control cabinet without spacers.
Prerequisites
● The bushing for the cooling ribs (external heat sink) has been fitted in the rear wall of the
control cabinet.
● Please ensure the area around the seal is both smooth and clean (
② please see figure
titled "Panel cutout").
● The spacer and the lugs are secured with M3 torx screws. You need a T10 screwdriver
for screwing; tightening torque 0.8 Nm.
&XWRXWIRUKHDWVLQNHOHPHQW
GXULQJVHJUHJDWHGKHDWUHPRYDO
PD[5
Figure 6-3 Panel cutout
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