Other Applicable Documents; Safety Instructions; Product Description; Functional Description - Friedhelm Loh Rittal Cmc Iii Installations- Und Kurz-Bedienungsanleitung

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1 Notes on documentation
This Installation and Short User Guide is intended for experienced, trained specialists and contains only
the most important information concerning the assembly, installation and function of the CMC III door
control module (subsequently referred to as the door control module).
1.1

Other applicable documents

Assembly and operating instructions for the CMC III door control module.
These are available at www.rittal.com and contain comprehensive application-relevant information and
technical data for the door control module with regard to:
– Other assembly options
– Functions
– Configuration options
– Detailed operating instructions
– Troubleshooting
2

Safety instructions

– The door control module may only be assembled and installed by experienced, trained specialists.
– A mains power connection or mains power wiring as part of the door control module wiring must only
be performed by an experienced electrician.
– The door control module housing must not be opened.
– The door control module must not come in contact with water, aggressive or inflammable gases and
vapours.
– The door control module must only be operated within the specified environmental conditions (see
section 3.4).
3

Product description

3.1

Functional description

Doors on IT racks may be opened automatically using the door control module, for example when
prompted by an overtemperature in the IT rack or activation of a room extinguisher system. The door
control module has an identifier that allows it to be detected automatically by the CMC III PU.
3.2 Proper use
The CMC III door control module is designed solely for the automated opening of doors on IT racks.
Any other use is not permitted.
3.3 Scope of supply
– CMC III door control module
– Accessories supplied loose (fig. 1)
– Installation and Short User Guide
3.4

Operating conditions

The door control module may only be operated under the following operating conditions:
Operating temperature range:
Humidity range:
Protection category:
Rittal CMC III door control module
Notes on documentation, Safety instructions, Product description
0 °C...+55 °C
5%...95% relative humidity, non-condensing
IP 30 to IEC 60 529
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