Mounting The Control Unit For Segregated Heat Removal - Siemens NCU 7 0.2 Series Manual

Mounting
6.3 Mounting the control unit on the rear wall of the control cabinet
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
● Please ensure the area around the seal is both smooth and clean (
● The spacer and the lugs are secured with M3 torx screws. You need a T10 screwdriver
42
control cabinet.
titled "Panel cutout").
for screwing; tightening torque 0.8 Nm.
Figure 6-3 Panel cutout
②
please see figure
Manual, 02/2011, 6FC5397-0AP20-0BA0
NCU 7x0.2