EP203 AUTOMATIC EXTINGUISHER PANEL
Page 6 of 45 • EP203 AUTOMATIC EXTINGUISHER PANEL INSTALLATION MANUAL • Approved Document No. DFU0002032 Rev 4
BASIC OVERVIEW AND KEY FEATURES
The EP203 panel acts as both a conventional fire alarm panel and an automatic
extinguisher control panel. The panel is easy to install, programmable and incorporates
a user-friendly LCD interface.
The EP203 panel’s features include the following:
• Time-stamped event log
• Abort and hold functions for cancelling, or delaying the extinguishant release sequence
• Very low quiescent current drain on mains fail (40mA approx.)
• 128 x 64 pixel graphic LCD unit with two-colour backlight, provides a user-friendly
interface for presentation of information, interrogation of data and programmable
functions
• Front-panel mounted extinguisher release button and two keyswitches; one to enter
access mode and one to toggle between automatic/manual modes of operation
• Powerful 3A, EN54-4 compliant, switch mode PSU rated @230Vac, 50/60Hz that
combines the functions of a power supply unit, battery charging unit and battery
monitoring unit
• Three-zone conventional detector circuits, line monitored for open and short circuit
faults. Any zone combination can be programmed to activate an alarm and initiate
the extinguishant release sequence
• Three conventional alarm sounder circuits (two x 1st stage, one x 2nd stage), line
monitored for open and short circuit faults
• Monitored inputs for:
Manual Release, Flow Switch, Low Pressure, Mode, Hold and Abort
• Auxiliary outputs for:
Fire, Local Fire, Extract, 1st Stage, 2nd Stage, Fault
• Extinguishing output supports up to 2 x solenoids, or multiple ‘Metrons™’
• Adjustable extinguishant release time delay, duration and flooding time
• Alarm counter to record the number of times the panel has been in an alarm state
• Optional Output Expansion Relay Board providing additional volt-free relay outputs
for: Reset, Mode, Discharged, Hold and Abort
• Connections for up to eight Remote Status Units (RSU) which provide remote
indication of system status on an LCD unit with mode select and manual extinguisher
release
• Connections for up to eight Economy Status Units (ESU) to provide remote indication
of system status with mode select.