Pfannenberg DTT 6801 Series User Manual

Operating Manual DTT 6801 Multicontroller (MC) 086100037 © Pfannenberg GmbH Page 31 / 49
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3.5.5 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.
 Reconnection takes place via the supply of the primary side of the transformer.
 The upstream fuse must match the changed mains voltage; see Adapting the upstream fuse.
 The specifications for the factory settings of the transformer are
provided on the yellow connection diagram (1) on the rear side of
the unit.
 UL-conformity with the following fuses:
Category "ClassCC", slow-burning.
Voltage Range (V)
Transformer - Option
Pre-fuse (Min. 480 V)F2/F3
50HZ
60HZ
360-418
-
380V
T1/1(0) - T1/3 (380)
Max 4A
360-440
-
400V
T1/1(0) - T1/4 (400)
Max 4A
378-440
-
420V
T1/1(0) - T1/5 (420)
Max 4A
-
414-484
440V
T1/1(0) - T1/6 (440)
Max 4A
-
414-506
460V
T1/1(0) - T1/7 (460)
Max 2,5A
-
432-506
480V
T1/1(0) - T1/8 (480)
Max 2,5A
3.5.6 Collective fault signal
 Two connections are provided for connection of the collective fault signal. They are marked with the item
designation SK; see Electrical connection.
 The fault signaling contact is potential-free.
 Ensure that the contact is loaded with a maximum of 230V, 1 A.
1
Figure 31 - Transformer options
1

Pfannenberg DTT 6801 Series Specifications

General

Brand	Pfannenberg
Model	DTT 6801 Series
Category	Controller
Language	English