Operating Conditions; Operating And Display Elements; Installation And Operation - Rittal CMC III Installation Manual And Short User's Manual

3.4

Operating conditions

The power unit may only be operated under the following operating conditions:
Temperature operational range:
Humidity operational range:
Degree of protection:
4 Assembly
4.1 Assembly instructions
The assembly of the power unit is made as shown in fig. 2.
5

Installation and operation

5.1

Operating and display elements

The operating and display elements are shown in fig. 3.
Key for fig. 3
1 "C" key to acknowledge messages
2 Multi-LED for the status display
3 C14 supply voltage input, 100-230 V, 10 A, 50/60 Hz
4 C13 supply voltage output, 100-230 V, 50/60 Hz, max. 10 A in total with item 5
5 C13 supply voltage output, 100-230 V, 50/60 Hz, max. 10 A in total with item 4
6 CAN bus connection, 24 V
7 CAN bus connection, 24 V
5.2 Installation
Note:
The unit is free from power only after all power sources have been disconnected!

Connect an external consumer, e. g. a fan, to one of the two outputs for the power supply with an
appropriate cable (fig. 3, item 4, 5).

Select an appropriate country-specific connection cable for the power unit.
– PE plug and IEC connector connection cable (DK 7200.210)
– CMC IEC extension cable (DK 7200.215)

Insert the cable in the inlet of the power supply of the power unit and to the mains supply (fig. 3,
item 3).

Connect the power unit with a CAN bus connection cable to the CMC III PU or to the neighbouring
elements on the CAN bus (fig. 3, item 6, 7).
Display of the status change:
– The two green and the two red CAN bus LEDs on the CAN bus connection flash.
– The multi-LED of the Processing Unit flashes continually in the green – orange – red sequence.
– The multi-LED of the power unit flashes blue continuously.

Press the "C" key on the CMC III PU (a first audio signal is issued) and keep it pressed for approx.
3 seconds until a second audio signal is issued.
Display of the status change on the CAN bus LEDs:
– Green LEDs light continuously: CAN bus status "OK".
– Red LEDs light continuously: CAN bus status faulty.
Rittal CMC III Power Unit
Product description, Assembly, Installation and operation
+0°C...+55°C
5%...95% relative humidity, non-condensing
IP 30 in accordance with IEC 60 529
EN
7