General Description - Elkron TM24-B Manual Del Usuario

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GENERAL DESCRIPTION

TM24-B is a fire alarm sounder and optical device compliant with the Construction Products Regulation
UE 305/2011 (CPR) and approved according to the EN 54-3 standard.
The sounder, for internal use, has 4 acoustic tones; the tone selection is done via a set jumpers. In the
device there are 8 red LEDs that blink together, illuminating the front panel during the acoustic signalling.
TERMINAL BLOCKS AND SETTING
Terminal block
+IN
-IN
+OUT
-OUT
Note: the alarm circuit power supplies the sounder.
SEL 1
Open
Closed
Open
Closed (*) Closed (*)
(*) Default setting
1
2
SEL
Alarm circuit – Terminal blocks
Description
24V⎓ positive alarm circuit input coming from the fire control
panel (siren output) or the sirens/bells in cascade.
Negative alarm circuit input coming from the fire control panel
(siren output) or the sirens/bells in cascade.
24V⎓ positive alarm circuit output for driving other devices
connected in cascade.
Negative alarm circuit output for driving other devices connected
in cascade.
Acoustic tone - Jumpers
SEL 2 Description
Tone 1 – frequency sweep 800970Hz in 1s
Open
Tone 2 – two tones 610Hz for 0.5s and 920Hz for 0.5s
Open
Tone 3 – pulsed 920Hz for 0.5s ON and for 0.5s OFF
Closed
Tone 4 – continuous 920Hz
+
IN
Figure 1
6/20
- + -
OUT