Autocall A4901-9820 Electronic Horn, Free-Run or SmartSync Operation, Non-Addressable

UL ULC CSFM Listed FM Notification Appliances Electronic Horn Free Run or SmartSync Operation Non Addressable current 24 VDC electronic horn provides Harmonically rich sound output suitable for either steady or pulsed free run operation mode the free run mode a positive voltage from the controlling NAC will the horn according to the desired output of continuous or output per the controlling NAC capabilities Diode polarized input for connection to reverse polarity supervised Rugged high impact flame retardant red thermoplastic housing with FIRE lettering white cover is available separately selectable horn operation modes Free Run mode tracks the output of a conventional fire alarm control notification appliance circuit NAC SmartSync two wire control mode accepts horn control commands compatible control panels Mode operation provides Horn activated when NAC is in alarm suitable for Temporal pattern Time patterns or Coded patterns as determined by control operation two wire control of audible and visible notification provides SmartSync control of horn tone as Temporal Pattern March Time at 60 BPM or on continuously controlled separately from appliances on the same circuit Visible appliances on the same circuit operate at a synchronized 1 Hz Operation that allows on until silenced and on until reset on the rate two wire pair notification appliance design provides flexible easy convenient semi flush or surface wall mounting Easily mounts to single gang double gang or 4 inch square electrical In out wiring terminals 18 AWG to 12 AWG Rear of housing does not extend into box Accessories Mounting adapters to cover surface mounted electrical boxes and to to Autocall 2975 9145 boxes UL ULC listed sound damper for locations requiring attenuation of 5 to dBA stairwells small rooms highly reverberant areas etc White cover with red FIRE lettering for on site color conversion separately Reference UL listed to Standard 464 ULC listed to Standard S525 NEMA 1 rated See Product Selection for more information non addressable horn model A4901 9820 non addressable horn model A4901 9820 is an audible appliance with a loud and penetrating harmonically rich that can be controlled either directly from a standard NAC free operation mode or by the SmartSync two wire operation mode 1 TrueAlert Non Addressable Red Cover with White Lettering mode selected for SmartSync mode and used with compatible Autocall refer to list on page 2 this horn can be wired onto the same NAC circuit as visible appliances but with separately controlled Typical applications are audible notification activated as on and visible notification appliances activated on until In addition visible appliances strobes on the same circuit are with synchronized flashes control two wire advantage these separate controls to be carried on the same two wire circuit can significantly reduce installation time and expense for retrofit and new construction mounting horn can be semi flush or surface mounted on a standard single double gang or 4 square 102 mm electrical box Optional are available to increase mounting and application flexibility Two Wire Control operation mode allows a two wire circuit to provide the ability activate both the horn and strobe on the same NAC and then allow horn to be silenced while the strobe remains flashing The horn as on until silenced while the strobe operation is on until Control Sources two wire control is available from 4010ES and 4100U Fire Alarm Control Panels refer to individual data sheets for more information 4009 IDNet NAC Extenders refer to data sheet AC4009 0002 SmartSync Control Module SCM Model A4905 9938 refer to data AC4905 0003 This product has been approved by the California State Fire Marshal CSFM pursuant to Section 13144.1 of the California Health and Safety Code See CSFM Listings 7125 2269 0527 and for allowable values and or conditions concerning material presented in this document Additional listings may be applicable contact your local product supplier for the latest status Rev 12 03 2021 Electronic Horn Free Run or SmartSync Operation Non Addressable Selection 1 non addressable electronic horn red white FIRE lettering Sound Damper package of 20 installed adhesive backed horn output reduces output 5 to 6 dBA After Sound Damper installation sound level to ensure compliance applicable code requirements 1 Product Selection H x 5 W x 1 1 2 D 130 mm x 127 mm x 38 mm Diameter 44.5 mm with 0.31 8 mm sound opening 1 rated when used with A4905 9931 adaptor plate and 2975 9145 back box 2 Adapters mount red adapter skirt mount white adapter skirt Plate red for mounting to Autocall 2975 9145 box typically for retrofit be mounted vertical or horizontal to cover 1 1 2 deep surface boxes mounting box requires Adapter Plate A4905 9931 H x 5 1 4 W x 1 5 8 D 136 mm x 133 x 41 mm Total depth with horn 3 1 8 79 x 5 3 4 x 0.060 Thick 211 mm x 146 x 1.5 mm x 5 1 8 x 2 3 4 D 200 mm x 130 mm x mm Control Module Class A or Class B installs in 4 square box to data sheet AC4905 0003 for details x 4 1 8 x 1 1 4 D 102 mm x 105 mm x 32 mm 3 Synchronization Control Module UL listed by Space Age Electronics Inc 4 Covers and Guard horn cover with white FIRE lettering available for replacement if required horn cover with red FIRE lettering use to convert cover color on site H x 5 W x D 130 mm x mm x 38 mm 2 Rev 12 03 2021 Electronic Horn Free Run or SmartSync Operation Non Addressable TrueAlert Non Addressable Horn Specifications Voltage Range Ratings Output Characteristics Output Ratings 10 ft 3 m see Note Type Note 2 464 Reverberant Chamber Chamber Range Range 5 Horn Specifications VDC mA VDC to 33 VDC see Note 1 VDC mA to 3700 Hz sweep modulated at 120 Hz rate VDC dBA dBA VDC dBA dBA dBA dBA dBA dBA VDC ma VDC dBA dBA dBA dBA 6 General Specifications to 122 F 0 to 50 C to 93 non condensing 100 F 38 C blocks for 18 AWG to 12 AWG 0.82 mm2 to 3.31 mm2 two wires per for in out wiring The rated voltage range listed is the absolute operating range Operation outside of this range may cause permanent damage Please note that VDC is the lowest operating voltage that is allowed at the last appliance on the notification appliance circuit under worst case conditions NAC drops and standby battery calculations should be made using anticipated operating conditions Coded values are typical of the output measured with a Temporal pattern or a March Time pattern pulse and with a sound level meter reading on fast setting Under the same test conditions coded horn output peak sound level readings are typically 4 dBA higher Anechoic horn output are typically more representative of actual installed sound output Sound Output per ULC Standard S525 3 Rev 12 03 2021 Electronic Horn Free Run or SmartSync Operation Non Addressable 2021 Johnson Controls All rights reserved All specifications and other information shown were current as of document revision and are subject to change without notice listings may be applicable contact your local Autocall product supplier for the latest status Listings and approvals under Tyco Fire Security GmbH and the names listed in this material are marks and or registered marks Unauthorized use is strictly prohibited NFPA 72 and National Fire Alarm Code are registered of the National Fire Protection Association NFPA Rev 12 03 2021