Pfannenberg DTI 6301C Betriebsanleitung Seite 64

GB
3.5.6 Adapting the upstream fuse /transformer options
 Only cooling units with the rated operating voltage 400V / 460V can be optionally connected to a different mains
voltage.
 Cooling units with 230V / 115V do not have any transformer options. Therefore, adaptation of the upstream fuse
is not necessary.
3.5.7 Components for internal protection
•
Cooling units have several safety components.
2
Figure 19 – Components for internal protection
3.5.8 Collective fault signal
• Two connections are provided for connection of the collective fault signal. They are marked with the item
designation SK; see
• The fault signaling contact is potential-free.
 Ensure that the contact is loaded with a maximum of 230V, 1 A.
Operating Manual DTS and DTI 6201C / 6301C Standard Controller (SC) 086100017c © Pfannenberg GmbH
Electrical connection.
 Functional equipotential-bonding M8 thread (1), for a
signal reception with low interference between the unit and
the switch cabinet.

Protective equipotential-bonding (2) for metal
components and touch voltage.
1
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