LWA Liquid Cooled Slow Speed Gensets
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Alpha SERIES LWA Liquid Cooled Slow Speed Gensets LWA 10(A)*, LWA 15(A), LWA 20(A), LWA 27(A) 50 Hz; 1500 r/min; power outputs: 6.1—21.5 kVA 60 Hz; 1800 r/min; power outputs: 7.3—26.8 kVA Liquid cooled generating sets with electronic control module BASIC CHARACTERISTICS • 50 Hz, 1500 r/min or 60 Hz, 1800 r/min • Lister Petter Alpha Series liquid cooled, direct and indirect injection diesel engine (2, 3 or 4 cylinders) • naturally aspirated or turbocharged • open set (LWA) or acoustic set (LWAA) Standard Features • control system with electronic digital control module • single bearing, 4-pole brushless alternator • 44 litre [LWA10(A),15(A)] and 66-litre [LWA20(A),27(A)] polypropylene fuel tank with contents gauge • zirconium phosphated powder coated base plate with forklift pockets • bunded base retaining 110% of all fluids • anti vibration mountings • 12V starter battery and leads • mechanical governing • emergency stop button (lock-down type) • pusher fan • operators’ handbook • electrical diagrams Open Sets Only • engine mounted exhaust silencer Acoustic Sets Only • acoustic canopy • residential exhaust silencer • 2 off roof mounted lifting eye bolt fixings • external emergency stop button • tough ripple effect paint finish • earth straps on service doors • large side door for easy service access • document pocket in access door ACOUSTIC genSET (LWAA) * LWA 10(A) – Please refer to Lister Petter Applications Department for cyclic irregularity implications

ALPHA Series: LWA Slow Speed Genset Technical Data Sheet Alternator Specification • single bearing, 4-pole brushless alternator • solid state AVR with ±1.5% voltage regulation as standard • class H insulation on the rotor and stator • lP23 protection class Control Cubicle All LWA and LWAA sets have a vibrationisolated control cubicle, which has the following features: • electronic digital control module with monitoring/control facility and warning indicators • automatic shutdown protection • emergency stop button (lock-down type) – open sets only • A C o u t p u t c i r c u i t b r e a k e...

ALPHA Series: LWA Slow Speed Genset Technical Data Sheet OPTIONAL ITEMS • residential exhaust silencer for open sets (as fitted to acoustic) • acoustic canopy kit (including residential silencer kit) for retro-fitting to open sets • AMF system with remote mounted ATS panel • sand filter unit, high efficiency, labyrinth type complete with washable dust element rodent mesh integral dummy loads (various ratings) industrial electrical output sockets automatic solid-state 4-Amp battery charger (standard on AMF gensets) • 2-wheel trailer Sand Filter Unit Industrial Electrical Output Sockets...

ALPHA Series: LWA Slow Speed Genset Technical Data Sheet power outputs 3 to iso 8528-1 and emissions compliance 50 Hz, 1500 r/min Single Phase Model Three Phase Single Phase * Other voltages are available on request 3. Power outputs are based on new Lister Petter Alternators. Mecc Alte alternators are available as an option, ratings may differ. Power Factor (pf). Single phase 1.0 pf; three phase 0.8 pf. A Lister Petter generating set is designed to operate in the following ISO 3046 environmental reference conditions Barometric pressure 100 kPa Relative humidity 30% Ambient air temperature...

ALPHA Series: LWA Slow Speed Genset Technical Data Sheet Sound pressure LWAA (acoustic sets), 75% load at 7m 50 Hz, 1500 r/min 4. In accordance with noise directive 2000/14/EC (50Hz gensets only) approximate dimensions Open Gensets LWA 10 * Length and weight with sand filter fitted Approximate weight LPW & LPWS Engines LWA Open Sets LWA 10 Dry weight A comprehensive range of options allows you to select a specification that matches your requirements. Please ask your Lister Petter distributor (see panel below). UK LISTER PETTER LIMITED Long Street, Dursley, Gloucestershire, GL11 4HS, England...