C-Tec Output Expansion Relay Board EP212
C-Tec Output Expansion Relay Board EP212The EP212 is an optional system expansion device for use withthe EP203 three zone automatic extinguisher panel. Mounts inside the EP203panel to provide five volt free relay contacts reset mode discharged hold and abort.Key FeaturesReset relay switchesduring the panels reset cycleModerelay switcheswhen the extinguishant systems mode is changed to manualDischarged relay switcheswhen a released flow switch input e.g. from theextinguishant pipework is received toindicate the extinguishant has been releasedHoldrelay switcheswhen a hold input isreceived at the panel. If the panel is in 2nd stage alarm i.e. it is in automatic mode and detection circuits are activated or it is in either automaticmanual mode and a manual release input is operated the extinguishant release sequence is haltedAbortrelay switcheswhen an abort input isreceived at the paneltocancel the extinguishant release sequence