ADEMCO VISTA-20SE Guía de usuario descargar pdf (Pagina 9)

Vista 20SEa Training Guide Page 9

3.1 Vista 20SEa Piezo Screamer Modification

Certain brands of Piezo Screamers may emit low volume “chirps” when connected to the

Alarm Output Terminals of the Vista 20SEa. This is due to a slight voltage leakage

inherent with the Siren supervision feature even though the feature may not have been

enabled.

Aux

Alm

Aux

Siren

Piezo

Plug

Pack

2K EOL If Required

6.2V Zener Diode

Vista 20SEa Main Terminal Strip

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ADEMCO VISTA-20SE Guía de usuario Pagina 9