System Sensor Outdoor Horns EngSpec

Architects and Engineering Specification Advance Outdoor Wall Horn horn appliance shall be System Sensor model outdoor Series The horn shall be listed UL 464 and shall be approved for fire protective service The horn shall have three audibility options an option to switch between a temporal three pattern and a non temporal continuous pattern These are set by a multiple position switch Outdoor horns shall be listed for outdoor use by UL and shall between 40 and 151 The products shall be listed for use with a System Sensor back box with half inch and three fourths inch conduit entries supplied with the shall be plug in and shall have the ability to check wiring continuity via a shorting spring on the mounting plate The shorting spring shall also provide tamper resistance via an open circuit if the is removed notification appliance circuit wiring shall terminate at the universal mounting plate The horn and the Module MDL3 accessory if used shall be powered from a notification appliance circuit and shall operate on a nominal 12 or 24 volts includes fire alarm panels with built in sync When with the Sync Module MDL3 12 volt rated notification appliance circuit outputs shall operate 8.5 and 17.5 volts 24 volt rated notification appliance circuit outputs shall operate between 16.5 33 volts If the notification appliances are not UL 9th edition listed with the corresponding panel or supply being used then refer to the compatibility listing of the panel to determine maximum devices a circuit notification appliances shall be backward compatible