NL843NW4 Specifications and Dimensions Dimensional Drawing 60 Hz, 1800 RPM, 1 Ph, 1.0 PF, 120-240 V/50A, 120 V/100A Optional Three Phase with 0.8 PF Voltage regulation ±1% Type Displacement Bore/Stroke HP @ RPM Exhaust outlet Fuel inlet and return Approximate dry weight Installation Data & Weight 1. Based on 1.0 unity power factor. Deratings: 3% per 1000 ft. over 500 feet above sea level. 1.5% for every 10° over 77°F 2. Actual fuel consumption will vary depending on operating conditions. NL843NW4 Overall Dimensions L x W x H: 45.7 x 18.1 x 33.1 inch (1060 x 461 x 841 mm) Dimensions given in inches (mm). Dimensions subject to change without notice. Contact dealer or visit www.northern-lights.com for most current installation drawings. NL843NW4 Features and Benefits Engine Block • Four cycle, 3 cylinder, liquid cooled, naturally aspirated, overhead valve, industrial-duty diesel. • Swirl combustion design improves fuel efficiency, reduces smoke and noise. • Glow plugs for fast cold weather starting. Cooling System • Liquid-cooled with radiator and pusher cooling fan. Steel radiator shroud and fan guard protects the radiator and operator. Self-Venting Fuel System • Bosch-type in-line injection pump. • Stop solenoid controls the fuel rack, not throttle, to eliminate speed variance and linkage problems. • Engine speed governed to 5% for close AC frequency control. • Pintle fuel injectors have replaceable tips for lower service costs. • Mechanical fuel pump with hand primer. • Large spin-on fuel lter. • Fuel line manifold and flexible fuel lines for easy fuel tank connection. Lubrication System. • Full flow, spin-on oil filter with bypass. • 5.8qt. (5.5ltr) oil capacity for better lubrication. • Large replaceable air filter protects engine in dusty environments. • Residential muffler built into the exhaust manifold saves installation time and costs. • Set meets US EPA Tier IV emission requirements for cleaner air. • 12 volt system includes starter motor, battery charging alternator with solid state voltage regulator and DC circuit breaker. • Standard, unit mount S-1B control panel has engine hour meter, start-stop switch with run light and preheat switch. • Dual panel relays and quick disconnect harness plug-ins. With optional Y-harness and 10, 20 or 40 foot harness extensions, you can have up to six remote control panels, up to 100 feet from the set. • Safety shutdown system for low oil pressure and high coolant temperature. • Northern Lights, direct coupled, brushless AC generator end is maintenance free. 4 lead, 1 phase, 1.0 pf, 50 or 60 Hz output. 12 lead3 phase output is optional. Conservative heat rise rating: 95°C/50°C ambient for long generator life. • Automatic Voltage Regulator is powered by dedicated AC winding for true 300% short circuit capability. Quick ±1% RMS no load to full load voltage regulation. AVR has circuit breaker protection. • Generator features high quality, Class “H” epoxy insulation, accessible diodes, over-sized bearings and junction box for wiring. • High air flow from integral fan keeps generator running cool. Special Equipment • Welded steel skid frame gives rigid support and makes installation easy. • Enhanced fan guard for improved operator safety. • Flexible mounts isolate engine vibration for smooth operation. • Long life, blue enamel paint finish. • Operator’s and parts manuals. • Rigorous quality control includes a test run with load. • Shipping crate protects set. www.northern-lights.com Dealer Northern Lights, Inc. • 4420 14th Ave. NW., • Seattle WA 98107 Tel: 206-789-3880 • 1-800-762-0165 • Fax: 206-782-5455 Information and dimensions subject to change without notice. Northern Lights and Lugger are registered trademarks of Northern Lights, Inc. © 2013 All rights reserved. Litho USA. S146 5/13