24 INSTALLATION AND OPERATION MANUAL 25-16329-B December 2019 www.eaton.comSection 1: System installation and designInput/outputsPanel outputsPanel Sounders: (OPTION 7 8 EN54 PT 2)Two pairs of outputs are provided ONLY polarised equipment should be usedEnsure the polarity of the connections are observed at all times and end of lineresistors & Diodes) are fitted for correct operationThe total alarm load across all sounder outputs = 1 5AAll outputs are fused with 1 6 Amp Glass fuse Alarm devices should be spreadequally across the 2 sounder circuitsWARNINGDo not exceed the rated output currentAll sounders must be polarisedOUTPUT TO FAULT WARNING ROUTINGEQUIPMENT (OPTION 9 4 1C EN54 PT 2)This output, which is fused and monitoredusing 2k end of line resistor is used for thetransmission of fault signals to fault warningrouting equipment This output is monitoredusing 2k0 end of line resistor and it currentlimited to 30 mAUnder normal conditions it operates by providing 12vdc which can be connecteddirectly to a 24v auxiliary device(relay) It is current limited to 30 mAUnder fault conditions or even if the Panel is switched off, this output will switch to 0volts Ensure the polarity of the connections is observed at all times and end of lineresistors (2k0 5%) are fitted for correct operationAuxiliary Relay (OPTION NOT REQUIRED BY EN54)This output is a volt free contact, which is protected by a polyswitch It is rated at24 Volts 1Amp If operated under a fire alarm condition , this output will remainenergised until the fire alarm is resetAUXILIARY DC OUTPUT (OPTION NOT DEFINED BY EN54)A 24 Vdc output is provided This output is protected by a polyswitch This output canbe used to power fire or fault auxiliary equipment Please ensure that all equipmentsconnected to this output will only draw current when a fire condition existsWARNINGDo not exceed the rated output currentEnd of line device.Both sounder circuits mustbe terminated with an endof line device.