Rittal CMC III Notice D'installation Et Notice D'utilisation Succincte page 7

4 Assembly
4.1 Assembly instructions
The smoke alarm is assembled as shown in fig. 2.
Note:
It is vital to assemble the device with the sensor head pointing downwards. In any
other position, there is no guarantee that smoke will be detected.
5 Installation and operation
5.1 Operating and display elements
The operating and display elements are shown in fig. 3.
Key to fig. 3
1 CAN bus connection, 24 V
2 CAN bus connection, 24 V
5.2 Installation
Connect the smoke alarm to the CMC III PU or to the neighbouring elements in the CAN bus us-
ing a CAN bus connection cable (fig. 3, items 1, 2).
Status change display:
– The two green and the two red CAN bus LEDs on the CAN bus connection of the smoke alarm
will start to flash.
– The multi-LED of the processing unit flashes continually in the sequence green – orange – red.
– The multi-LED of the smoke alarm flashes blue continuously.
Press the "C" key on the CMC III PU (an initial audio signal will sound) and keep it pressed for
approx. 3 seconds until a second audio signal is heard.
Status change display on the CAN bus LEDs:
– Continuous green LEDs: CAN bus status "OK".
– Continuous red LEDs: CAN bus status faulty.
Status change display on the multi-LED of the processing unit.
– Continuous green light: All devices connected to the CAN bus have the status "OK".
– Continuous orange light: At least one device connected to the CAN bus has the status "Warn-
ing".
– Continuous red light: At least one device connected to the CAN bus has the status "Alarm".
Status change display on the multi-LED of the smoke alarm:
– Continuous blue flashing: Communication via the CAN bus.
– Green flashing: When the measured value changes or, at the latest, every 5 seconds.
If installation was unsuccessful: see section 1.1.
For any required software updates, please visit www.rittal.com or contact Rittal Service (see
section 6).
Note:
Connection cables in various lengths can be purchased from Rittal.
Rittal CMC III smoke alarm
Assembly, Installation and operation
EN
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