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Opening of Quotations - WWTP Server Room Fire Suppression System Proj No 124-038R - Larson-Danielson
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Opening of Quotations - WWTP Server Room Fire Suppression System Proj No 124-038R - Larson-Danielson
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4/17/2025 4:25:16 PM
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2/11/2025 1:57:02 PM
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Board of Public Works
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Projects
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2/11/2025
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Engineering Specifications <br />The visible signal shall be S-24WR or approved equal and shall be listed by Underwriters <br />Laboratories, Inc. per ANSI/UL 1971 and/or ANSI/UL 464. <br />Unit shall be capable of being installed so that any unauthorized attempt to change the candela <br />setting will result in a trouble signal at the fire alarm control panel. <br />The visible signaling appliance shall also maintain a minimum flash rate of 1 Hz or up to 2Hz <br />regardless of power input voltage. The strobe appliance shall have an operating current of 42mA or <br />less at 24VDC for the 15Cd strobe circuit. <br />The appliance shall be polarized to allow for electrical supervision of the system wiring. The unit <br />shall be provided with a mounting bracket with terminals and barriers for input/output wiring and be <br />able to mount to a single gang or double gang box or double workbox without the use of an adapter <br />plate. The unit shall have an input voltage range of 16-33 volts with either direct current or full wave <br />rectified power for 24VDC models. <br />The appliance shall be capable of testing supervision without disconnecting wires, verify voltage <br />without removing unit and be capable of mounting to a surface back box. <br />Conventional Wiring Diagrams for Emergency Notification Evacuation Series <br />UL Listed <br />Carol s goal sWal <br />Panel s• s+ s H. H- s+ <br />Supervised B m 0 9 <br />Signal Circuit <br />E HD OF i1NE <br />FlESSiTOR <br />NOTES: <br />Controle sg�a <br />Panel S. <br />Supervised IFD N PIP PI <br />Signal CIrcult <br />+ a <br />EHD�F u�nE <br />n <br />T � ERE95ioa <br />• All strobes are designed to flash as specified with continuous applied voltage. Strobes should <br />not be used on coded or pulsing signaling circuits. However, use of the AVSM-R control module <br />(P/N 98377) or Gentex synchronization protocol is permitted to synchronize the strobe, horn <br />and/or mute the horn. <br />• FOR SYNCHRONIZATION WIRING INFORMATION, REFERENCE AVSM-R CONTROL <br />MODULE DATA SHEET (DS1284) AND/OR AVSM CONTROL MODULE MANUAL FOR <br />SYNCHRONIZATION MODULE WIRING DIAGRAMS. <br />DS1280 Revised: 28-Jan-2014 <br />Page 3 of 4 <br />
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