Potter LFH-24 Series LFHS-24 Series InstallationManual

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LFH 24 CAN ULC COMPLIANT Potter Electric models LFH 24 and LFHS 24 are high quality low frequency audible and or visible signaling appliances This appliance is intended to provide a low frequency audible or depending on the model notification signal for the purpose of life safety and property protection The LFHS 24 is a fixed candela unit the candela intensities which can be are 15 Cd 110Cd and 177Cd The LFHS 24 strobe is listed in compliance with ANSI UL 1971 Signaling Appliances for the Hearing Impaired appliance is ideal for any occupancy that requires notification appliances per the applicable building or fire code or wherever dependable alarms are required As of January 1 2014 72 requires that audible appliances installed in sleeping areas produce a low frequency alarm signal For your information the National Fire Protection Association NFPA Standard 72 Edition Chapter 18 Section 18.4.5 Sleeping Area Requirements states the following Effective January 1 2014 audible appliances provided for the sleeping areas to awaken occupants shall produce a low frequency alarm signal that complies with the following The alarm signal shall be a square wave or provide equivalent awakening ability The wave shall have a fundamental frequency of 520Hz 10 percent appliance is intended for use in fire alarm systems and is to be installed in accordance with this manual the recommendation of the local authorities having jurisdiction and other NFPA that provide standards on notification appliances for protective signaling systems The LFH 24 and LFHS 24 are intended for indoor installations only these appliances are not for outdoor or drip proof applications mounted strobe appliances shall have their entire lens at heights above the finished floor of not less than 80 in 2m and not greater than 96 in 2.4m Spacing shall be in accordance Table A If a room configuration is not square the room size that will entirely encompass the room or subdivide the room into multiple squares shall be used Wall mounted horn only shall have their tops above the finished floors at heights of not less than 90 in 2.30m and below the finished ceilings at heights of not less than 6 in 152mm Different mounting shall be permitted by the AHJ provided the sound pressure level requirements of NFPA 72 are met unit is designed for mounting to most single gang boxes 4 square outlet boxes 2 gang masonry boxes or non metallic 2 gang switch boxes Conduit entrance to boxes should be to insure sufficient wiring clearance Run a minimum 18 gauge insulated 2 or more conductor cable Mount a box for each remote signaling appliance Screw bracket onto box Insert signal into bracket and slide to the right firmly into the terminal block receptacle Insert mounting screw as and tighten Cover assembly with the plastic housing WIRING SHOULD BE CONNECTED TO MOUNTING BRACKET PRIOR TO MOUNTING SIGNAL INCOMING POSITIVE POWER LEAD MUST BE BROKEN AND EACH LEAD IS BE INSERTED INTO EACH OF THE TOP TWO TERMINALS A BARRIER IS PROVIDED TO PREVENT BOTH LEADS FROM BEING PLACED UNDER THE SAME TERMINAL The three pulse temporal pattern temporal 3 is to be used for evacuation use only The standard fire alarm evacuation signal is a three pulse temporal pattern The pattern consists of the following in this order An phase lasting 0.5 second 10 percent An phase lasting 0.5 second 10 percent for three successive periods An phase lasting 1.5 seconds 10 percent cycle lasts for 4 seconds 10 percent The sound output for the temporal 3 tone is rated lower since the time the horn is off is averaged into the sound output rating Units have been tested to 0 49 and 93 humidity The four pulse temporal pattern temporal 4 is to be used for carbon monoxide alarm signal use only The standard carbon monoxide alarm is a four pulse temporal pattern The audible carbon monoxide alarm signal shall comply with the following Signals shall be a single tone pattern consisting of four cycles of 100 milliseconds 10 percent and 100 milliseconds of 10 percent followed by 5 seconds After the initial 4 minutes of alarm the 5 second time shall be permitted to be changed to 60 seconds 10 percent The four pulse temporal pattern Temporal 4 can only be obtained on this product when used in conjunction with the Potter Electric GTSM synchronization module or GTSM synchronization percent PRODUCT INFORMATION Horn dBA dBA dBA 3 520 Hz 4 520 Hz1 dBA Temporal 4 520 Hz measured per ANSI UL 2075 Recommended mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA 1 A Spacing for Wall Mounted Visible Appliances per NFPA 72 2016 Edition Required Light Output Effective Intensity Cd Lights per Room Light per Wall Light Room PRODUCT INFORMATION Room Size x 20 x 28 x 30 x 40 x 45 x 50 x 54 x 55 x 60 x 63 x 68 x 70 x 80 x 90 x 100 x 110 x 120 x 130 x 6.10 x 8.53 x 9.14 x 12.2 x 13.7 x 15.2 x 16.5 x 16.8 x 18.3 x 19.2 x 20.7 x 21.3 x 24.4 x 27.4 x 30.5 x 33.5 x 36.6 x 39.6 Not allowable from Ceiling to Top of Lens than or equal to 24 than 24 light must be within 16 feet the pillow when in a sleeping 3 520 Hz 4 520 Hz1 dBA dBA dBA dBA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA Temporal 4 520 Hz measured per ANSI UL 2075 Recommended

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