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C420 4 – 20 zones Conventional control panel 0051 DS80SC86-004A LBT80742 1/16 Installazione MP508...
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Elkron is a trademark of URMET S.p.A. All trademarks mentioned in this document belong to the corresponding owners. All rights reserved. The total or partial reproduction of this document is authorised only for installation purposes of the C420 System. Tel. +39 011.3986711 – Fax +39 011. 3986703 www.elkron.com –...
1 GENERAL DESCRIPTION 1.1 INTRODUCTION C420 is a modular conventional control panel which can handle from 4 (basic configuration) up to max 20 detection circuits (via optional circuit modules) where it is possible to connect up to 512 points. Each circuit covers a zone which can house up to 32 conventional points (the control panel, though, has to be compliant with the constraint of max 512 total points in the field).
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(*) In the modes with delay, it is possible: to increment, by pressing the INCREASE DELAY key, the siren output activation timer; to clear immediately, by pressing the SKIP DELAY key, the siren output activation timer. C420 User Manual...
Each letter can take on the following values: E: siren output excluded N: siren output idle A: siren output active S: siren output silenced F: siren output in fault -: the card which handles the siren output is faulty C420 User Manual...
- the alarm has led to the activation of the siren output (S) - the zone alarm is programmed to trigger the master alarm (M) - the alarm confirmation option for the zone is enabled (C) The master alarm is displayed as follows: MASTER ALARM >AL00 GF00 FF00 EX00 C420 User Manual...
The module has not answered to a command sent by the control panel General fault of the command and control module (command and control sub-module) This group of faults is notified by using a message on 2 rows: MSG ROW 1 AL00 MSG ROW 2 >GF01 FF00 EX00 C420 User Manual...
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LCD annunciator to the polling command sent by the control panel. General fault of the supplementary siren output FAULT SUPPLEMENTARY SIREN OUTPUT X AL00 YYYYYYYYYY >GF01 FF00 EX00 siren output number (1 - 4) error type (OPEN CIRCUIT or SHORT CIRCUIT) C420 User Manual...
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Printer not connected Missing paper Printer is continuously BUSY Printer module: missing answer to the commands Printer module: missing answer to the commands Printer module: internal WDT occurred Printer module: EEPROM faulty Printer module: generic printer error C420 User Manual...
GROUND DISPERSION YELLOW Steady ON: an electric ground dispersion is present. Steady ON: at least one siren output is excluded. SIREN EXCLUDED YELLOW TEST YELLOW Steady ON: a zone test is active. C420 User Manual...
(ESC). By pressing this key (this operation is named “event acknowledgement”) the buzzer stops sounding. This key is also used to confirm the user input in the menus where numbers and strings are entered. C420 User Manual...
ENTER set of passwords numbers date and time LEFT, RIGHT, They perform the same function of the keys LEFT, RIGHT, UP, DOWN available on the internal keyboard. UP, DOWN arrows (*) see the previous section. C420 User Manual...
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