3- Connection Of The Flashing Internal 24V Sounder (Sir24F); 4.- External Siren 24V Alarm Box (Caec) - Cofem COMPACT LYON PLUS Manual

Digital fire detection control panel
COMPACT LYON PLUS

2.3.3.3- Connection of the flashing internal 24V Sounder (SIR24F)

Elements needed for its correct installation:
 1 Resistance of 33 KΩ; in the event of the sounder being connected to the general sounder, the
resistance should be 4K7, which is included in the control panel and/or the modules.
 1 BY252 Diode; two diodes are included with each control panel.
Figure 27. SIR24F Connection schematic
NOTE: An auxiliary 30 V supply is necessary for MYOA/F, MDA1Y and MDA2Y modules

2.3.3.4.- External Siren 24V alarm box (CAEC)

• Red outdoor siren made of ABS plastic.
• Built-in back cover to protect all internal circuitry.
• They work as 24V power sirens.
• Piezoelectric speaker.
• Certified EN54-3 type B.
NOTE:
EOL: 33KΩ when connected to module
EOL: 4K7 when connected to the control panel
Figure 28. CAEC Connection schematic
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