Autocall A4902 TrueAlert® Ceiling-Mount and Wall-Mount Speaker Installation Instructions

A4902 TrueAlert Ceiling Mount and Wall Mount Speaker Installation Instructions warnings and regulatory information AND SAVE THESE INSTRUCTIONS Follow the instructions in this installation manual These instructions must be followed to avoid damage to product and associated equipment Product operation and reliability depend upon proper installation NOT INSTALL ANY AUTOCALL PRODUCT THAT APPEARS DAMAGED Upon unpacking your Autocall product inspect the of the carton for shipping damage If damage is apparent immediately file a claim with the carrier and notify an authorized product supplier HAZARD Disconnect electrical field power when making any internal adjustments or repairs All repairs should be by a representative or an authorized agent of your local Autocall product supplier HAZARD Static electricity can damage components Handle as follows Ground yourself before opening or installing components Prior to installation keep components wrapped in anti static material at all times Speaker Operation Speakers are notification appliances that reproduce audio signals when activated from an Autocall fire alarm control panel FACP Autocall control panel or a UL listed FACP with compatible audio NAC interface When the notification appliance emits sound it indicates the of an emergency situation that requires your immediate attention TrueAlert speaker is a two wire appliance that operates only on a standard audio NAC channel to reproduce amplified analog audio signals Input be either 25 VRMS or 70.7 VRMS that can be selected via a jumper to one of four available audible power wattage levels W W 1W 2W 1 TrueAlert Speaker Details Unlike other TrueAlert peripherals the speaker does not the addressable features of the TrueAlert comm channel TrueAlert speaker is non addressable and does not support wire T tapping Ceiling mount speakers are not intended for in air handling spaces 1 TrueAlert Ceiling Speaker A4902 9721 and A4902 9722 Red 2 TrueAlert Wall Speaker A4902 9716 and A4902 9717 White Rev F TrueAlert Ceiling Mount and Wall Mount Speaker Installation Instructions Speaker Wiring At the enclosure box connect the wires to the SPKR and SPKR terminals at the rear of the speaker unit Torque the terminal block to 12 to 15 in lbs to ensure proper continuity See Figure 3 Ensure that the correct polarity is maintained for each unit Ensure that the RMS value of the connected audio circuit matches the RMS value of the connected speaker An incorrect tap setting may the speaker Configure the speaker wattage setting using Table 2 The factory default setting for the speaker is J1 to Tap E 25 VRMS W maximum normal supervisory voltage is 40 VDC Audio NAC wiring must be a twisted pair TWP Connect the wiring to the terminals as shown Do not loop the wires under the terminals Break wire runs to provide supervision of the Do not bring the conduit through the rear of the electrical box Strip the lead insulation to a maximum of 3 8 inch The ceiling and wall mount speaker wattage jumper settings and wiring connections are identical The wall mount speaker is illustrated 2 TrueAlert Speaker Jumper Settings VRMS position to Tap A to Tap B to Tap C to Tap D setting VRMS position to Tap D to Tap E to Tap F to Tap G setting 3 TrueAlert Speaker Wiring 4 TrueAlert Wall Mount Speaker Configuration Rear View Notification appliances are rated per individual nameplate label Maintain correct polarity on terminal connections Do not loop wires under terminals All NAC wiring connections are supervised and power limited the TrueAlert Wall Mount Speaker Figure 5 for mounting the TrueAlert wall mount speaker to the enclosure box When surface mounting the speaker either the A4905 9941 or a TrueAlert surface mount skirt is recommended Refer to the A4905 TrueAlert Skirt Installation Instructions 574 790AC for this mounting Do not bring the conduit through the rear of the electrical box Tighten mounting screws snugly do not overtighten Torque mounting screws to 5 to 7 in lbs For semi flush mounting install the box either flush with the wall or with a maximum recess of 1 4 inch 2 Rev F TrueAlert Ceiling Mount and Wall Mount Speaker Installation Instructions 5 A4902 9716 A4902 9717 TrueAlert Wall Mount Speaker Mounting TrueAlert wall mount speaker attaches directly to a standard 4 inch square electrical box not supplied flush mounted or surface Attach the speaker to the electrical box using two screws supplied ship group 748 472 mounted cross corner remove the cover depress the snap at the bottom of the speaker with a flat tip screwdriver while pulling the cover up with the other hand NAC terminals CKT CKT are not accessible through the front after mounting the speaker the TrueAlert Ceiling Mount Speaker Figure 6 for mounting the TrueAlert ceiling mount speaker to the enclosure box Do not bring the conduit through the rear of the electrical box mounting screws snugly do not over tighten Torque mounting screws to 5 to 7 in lbs semi flush mounting install the box either flush with the ceiling or with a maximum 1 4 inch recess TrueAlert ceiling mount speaker attaches directly to a standard 4 inch square electrical box not supplied semi flush mounted or surface Ensure the correct orientation of the box with the extension in relation to the location of the mounting screws installation in plaster or concrete ceiling mount the box with extension flush or with maximum recess of 1 4 inch For a suspended use a suitable bridge that rests on the tile to support the box with the extension 6 A4902 9721 and A4902 9722 TrueAlert Ceiling Mount Speaker Mounting 3 Rev F Loss 1210E 2.9 sound pressure level measurements and STI Guards to Table 3 for sound pressure level measurements for each power tap setting VRMS J1 to 3 Wall Mount and Ceiling Mount Speaker Sound Pressure Level Measurements Setting in Pressure Level Measurement Reverberant Room at Ten Feet UL1480 Wall Mount See Note Pressure Level Measurement Reverberant Room at Ten Feet UL1480 Ceiling Mount See Note VRMS VRMS Reverberant dBA measurements are a minimum UL rating based on the sound power level measurements made in UL reverberant test Frequency Response for Fire Alarm 400 Hz to 4 KHz Guard Surface 1210E Flush Gasket Skirt 4 STI Guard Mounting Information Flush only Refer to the STI installation manuals packed with each guard for mounting and maintenance instructions for the vandal guards The guards are listed for ULC applications Safety and Placement of Notification Appliances appliances and the fire alarm system itself have certain limitations and requirements for safety placement installation and test Keep instructions at a central location for future reference so that all people who use maintain and test the fire alarm system have access to this Appliances provide a specific rated output level of sound The output level must meet the requirements of the intended protected area s the A4902 TrueAlert speaker notification appliance meets the current UL standards for sound the protected area s may have walls doors furniture insulation or other obstacles that reduce or even block the sound For all applications the sound output must provide enough to alert all occupants of the protected area s including those occupants that are sleeping or hearing impaired for whatever reason If these cannot hear the notification appliances within the protected area s you must increase the intensity of the sound output or add additional appliances so that the occupants can hear the notification appliances when activated Refer to NFPA 72 the National Fire Alarm and Code from NFPA National Fire Protection Association install maintain and test notification appliances within their specifications Failure to follow all safety precautions and instructions may in loss of life and property due to non functioning notification appliances Some notification appliances use high voltage To avoid hazards and avoid damage to appliances make sure that the electrical power for the notification