ABC-401 Arrow Indicator Applications Specially design for variety of large-scale port machinery, engineering machinery, cranes and other machinery road traffic directions. Main Functions and features • Employ stainless steel with powdercoat paint finishes enclosure, providing environmental protection, corrosion resistance and maintenance free. • Use super bright LED cluster as bulbs, providing external long life. • Transparent safety galss as front panel, providing high transmittance and firmly sealed. • Four arrowheads direct four states, easy of operation. Wiring diagram Blue wire Red wire Green wire Yellow wire Black wire Wiring definition diagram Installation and Operation • Check whether the operating voltage complies with the rated voltage of the siren. • Secure the alarm body on a smooth surface with enough mechanical strength using 4 M10 Stainless steel screws. Mounting surface should be in a line with the axes of lamp body. • Follow the wiring diagram of Figure I. connect the signal line. • Connect power then indicator start work,be sure check the wiring correct. Working style Notice • Please follow the instructions. Any questions, please contact us. Shanghai Nanhua Electronics Co., Ltd Tel :+86 021-39126868 Fax:+86 02i-39i26868ext 808/818 Web : E-mail : Add: Building 9, No. 1755Wenbei Rd, Jiading district Shanghai 201802 1 / 1 All rights reserved by Nanhua, without the written authorization of the Nanhua, any part thereof shall not be reproduced or transmitted in any form.