31 S i g n a l i n g D e v i c e s Overview The 5520D Series Hor n/Sir en Combination is an extr emely high decibel, high-performance signalling appliance intended for fr e alarm and life safety applications. They ar e perfect for indoor or outdoor applications including schools, factories, lumber yar ds and even boats. They can be used wher e standar d bells or hor ns ar e not satisfactory , particularly in ar eas of high noise level. The unit will function as a Hor n or Sir en with just the fick of a switch. The universal mounting plate will install dir ectly over any standar d North-American 1-gang opening, standar d octagon box, or 4 inch squar e electrical box. The megaphone may be swivelled thr ough 180° horizontally and 90° vertically . All wiring is made to colour -cod - ed wir e leads attached to a quick-disconnect plug. When complete the device just plugs-in and is locked to the mounting plate with a set scr ew . Once mounted, the hor n/sir en switch is tamperpr oof. The hor n is suitable for “coded” applications; the sir en is not. The complete unit is fnished with a metallic gray enamel. Standar d Featur es • 24Vdc • Solid-state • Extr emely high dB • Suitable for coded signals • Swivel/adjustable mounting • Outdoor/weatherpr oof option Installation and Mounting Hor n/Sir en Combination 5 5 2 0 D S e r i e s Or dering Information Cat. No. Description Sound Characteristics Nominal Operating V oltage Curr ent Draw Ship Wt. kg. 5520D-A W Hor n/Sir en Combination Colour -coded wir e leads with Quick-Disconnect Plug Metal - lic gray enamel ULC-S525 Hor n — 114 dBA at 10’-0" (3m). Hor n characteristic is pr edominantly 1.1 KHz (Suitable for coded signals) Sir en — 112 dBA at 10’-0" (3m). Sir en characteristic rises and falls 300 to 3000 Hz every 3 seconds. (not suitable for coded signals) 24Vdc 350 mA 11.5 Accessories 349 W eatherpr oof Backbox ------ ------ ------ 0.3 11" (279mm) 8-3/4" Dia. (222mm) 14" (356mm) 13-1/2" (343mm) 90° 11" (279mm) T o Point of Pivot 5-1/2" (140mm) 7" (178mm) Megaphone can be positioned anywher e within 90°vertically or 180° horizontal swing. gr een (gr ound wir e) T o next device or end of line r esistor r ed r ed black black ( - ) ( + ) ( - ) ( + ) NOTE: DC supervisory polarity shown. On alarm, polarity r everses. Refer to contr ol panel for NAC cir cuit curr ent ratings. T o listed contr ol panel or pr evious signal T ypical Wiring