MD644 - 4-zone fire alarm control panel
The MD644 conventional fire detection and fire warming system for buildings, has been designed in accordance with European Standards EN54-2:1997/A1:2006 and EN54-4:1997/A1:2002/A2:2006 and has the EC-Certificate of Conformity 1134-CPD-106.
The MD644 fire alarm control panel is a compact, non-modular control panel equipped as standard with 4 zones which, in case of a fire alarm or failure, activates a common monitored output and common relay contacts.
The MD644 fire alarm control panel is mounted in a plastic housing. This housing contains the operator console, the power supply and the back-up batteries. The operator console of the control panel is connected to the motherboard via a flat cable.
Each zone has an individual LED indicator for signalling “Fire alarm”, “Fault” and “Zone disabled” and an individual “Zone disable” pushbutton.
The MD644 fire alarm control has 2 operating levels. Both levels are set using a key switch.
In the first operating level, only the green “Alarm silence” and “Test LED” buttons are available.
In the second operating level, the orange buttons “System reset”, “Sounders off” and the push buttons “Zone disable” for the individual disabling of zones are also available.
The MD644 control panel is equipped with a built-in 27V 0.8A+0.25A power supply and contains back-up batteries to keep the system functional in case of a mains failure.