Edwards 876 and 877 Installation Sheet

And 877 Grille Type Adaptahorn Installation 876 and 877 series are UL listed FM approved vibrating in a NEMA Type 4X 12 12K rated enclosure They are current high decibel horns designed for heavy duty use indoors or outdoors The die cast weatherproof box has durable corrosion resistant electrostatic heat flowed powder gray finish The horns are intended for general signaling Compatibility electrical input load requirements for PLC compatible devices are listed in Table 1 Signaling devices may directly connected to output cards that meet these load DC electromechanical horns such as the 877 G1 can transient spikes and should only be used on PLC cards that have inherent transient spike suppression Process Control Engineer should consult the PLC when connecting 24V DC electromechanical to PLCs Using a 5 64 allen wrench supplied loosen both set located on either side of backbox and remove from backbox Fasten backbox to wall or partition as follows Remove the screw hole knockouts in the backbox caplugs supplied in screw holes in backbox Drive 8 wood screws supplied through caplugs into surface Secure conduit at entrance hole Ground the unit using the terminal screw in the box or by appropriate means Connect one wire to each terminal in backbox Orient the horn so that the E is at the top and plug horn backbox Tighten set screws The volume is factory set at the maximum level To volume level turn set screw located on grille front using a 1 16 allen wrench supplied 1 PLC Compatibility number voltage off state current on current inrush duration VAC mA VDC mA mA A 0.000026 ms 1.7 A 0.000042 ms mA 2011 UTC Fire Security All rights reserved 2 P 047550 1851 REV 3.0 ISS 28JUL11 1 Dimensions VAC VAC VAC VAC VDC VDC VDC VDC VDC A A A A A A A A A information A Division of UTC Fire Security Corporation Inc Town Center Parkway Bradenton FL USA first two digits of the date code located on product identification label are the year of UL 464 of American information contact information see www edwardssignaling com 2 P 047550 1851 REV 3.0 ISS 28JUL11