Bosch PRAESENSA, Installation Manual

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20 en | General installation procedures and instructions PRAESENSA
2019.11 | V1.00 | Installation manual Bosch Security Systems B.V.
To achieve the specified access level 2:
– Access to the emergency microphone is restricted by mounting the microphone in a
lockable enclosure or control room.
To achieve the specified access level 3:
– The cabinets must be located in lockable rooms, or a cabinet construction with lockable
doors must limit access to rear terminals and wiring of equipment.
– Access to end‑of‑line supervision devices and loudspeaker wiring terminals requires the
use of tools.
4.2 Unpacking products
The products should be unpacked and handled with care. If an item appears to be damaged,
notify the shipper immediately. If any items are missing, notify your Bosch representative.
The original packaging is the safest container in which to transport products and can also be
used to return products for service, if necessary.
4.3 Equipment racks and cabinets
All PRAESENSA equipment housings are of robust construction and meet at least classification
IP30 of EN60529:1992 as amended by EN60529:1991/A1:2000. Racks with a swing frame give
better access to wiring. Racks without rear stands provide more space for batteries.
4.4 Mounting the 19"-rack devices
Common installation materials and tools are sufficient to install PRAESENSA products. Each
product comes with a set of product specific installation accessories and a quick installation
guide (QIG).
Make sure the 19"‑equipment rack is of suitable quality to support the weight of the device(s).
All PRAESENSA equipment can be located anywhere in the equipment rack. For ease of wiring,
it is however advisable to mount devices in the following order (top to bottom):
–
System controller (top)
– Amplifiers
– Multifunction power supplies
– Batteries (bottom)