Adastra CF-5D Manual


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Side 1/1
EN54-24 Loudspeakers Wiring Guide
Thank you for choosing Adastra loudspeakers as part of your EN54-24 compliant public
address system. Please follow the guidance below for connecting these speaker units to your
amplifier for correct operation and to maintain function in an emergency scenar . io
EN54-24 compliance relates to public address systems that can operate in fire-related
emergency situations and dictates that a sound system remains intact to enable public
announcements for emergency information and evacuation instructions.
Adastra speaker its that are EN54- compliant have un 24
a heat-resistant ceramic terminal block for connection
to the amplifier and this may also be fitted with a
thermal fuse. For EN54-24 compliance, the amplifier
must be connected through the fuse so that if a
speaker unit becomes compromised by fire damage,
the fuse will fail and avoid any short-circuit through the
damaged speaker (which can damage the amplifier) .
Th terminal block for EN54-24 horn speakers is e
provided in a separate fire-resistant junction box, hard-
wired to the speaker as shown opposite. A choice of
FUSED or NOT FUSED connection is available. You must
use FUSED connection for EN54- compliance. 24
For column speakers, the terminal block is inside the
column housing. Remove the lower cover of the column
speaker by unfastening the 2 screws either side of the
cable entry gland. Connect to the terminals in the same
way as for horn speakers.
For ceiling speakers, the ceramic terminal block is located on the rear (upper) side of the
speaker basket. Again, connect the input via the thermal fuse if one is fitted.
Ensure all connections are firmly secured and that there are no loose or shorted connections.
Disposal: The “Crossed Wheelie Bin” symbol on the product means that the product is classed as
Electrical or Electronic equipment and should not be disposed with other household or commercial waste
at the end of its useful life. The goods must be disposed of according to your local council guidelines.
Errors and omissions excepted.
Copyright© 20 . AVSL Group Ltd. 23
Unit 2-4 Bridgewater Park, Taylor Rd Manchester. M41 7JQ .
AVSL (EUROPE) Ltd, Unit 3D North Point House, North Point Business Park, New Mallow Road, Cork, Ireland.


Produkt Specifikationer

Mærke: Adastra
Kategori: Højttaler
Model: CF-5D

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