LWA Slow Speed Gas Genset
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ALPHA SERIES LWA LIQUID COOLED SLOW SPEED GAS GENSETS PROPANE GAS: LWA 10(A)-P, LWA 15(A)-P, LWA 20(A)-P, LWA 27(A)-P NATURAL GAS: LWA 10(A)-N, LWA 15(A)-N, LWA 20(A)-N, LWA 27(A)-N 50 Hz; 1500 r/min; power outputs: 5.0-22.4 kVA (propane); 4.2-19.6 kVA (natural) 60 Hz; 1800 r/min; power outputs: 6.2-28.6 kVA (propane); 5.3-25.0 kVA (natural) 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, natural gas or propane gas fuelled, spark ignition, 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 • zirconium phosphated powder coated base plate with forklift pockets • bunded base retaining 110% of all fluids • anti vibration mountings • 12V starter battery and leads • electronic 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

ALPHA SERIES: LWA SLOW SPEED GAS GENSETS 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 vibration-isolated 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 • AC output circuit breaker...

ALPHA SERIES: LWA SLOW SPEED GAS GENSETS 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...

RATINGS DEFINITIONS, TO ISO 8528-1 Standard Reference Conditions A Lister Petter generating set is designed to operate in the following ISO 3046 environmental reference conditions. Barometric pressure 100 kPa Ambient air temperature at the Inlet manifold 25°C 1. Prime Power (PRP) This rating is for the supply of the maximum power which a generating set is capable of delivering continuously whilst supplying a variable electrical load when operated for an unlimited number of hours per year. The permissible average power output over 24 hours of operation shall not exceed 70 % of the PRP...

ALPHA SERIES: LWA SLOW SPEED GAS GENSETS TECHNICAL DATA SHEET Length and weight with sand filter fitted LPWG Engines A comprehensive range of options allows you to select a specification that matches your requirements. Please ask your Lister Petter distributor (see panel below). LISTER PETTER GLOBAL DISTRIBUTION LTD Electricity building, Unit 2 Hurricane Close, Sherburn in Elmet, Leeds, LS25 6PB, England TEL: +44 (0)1977 800372 E-mail: sales@listerpettergroup.com www.lister-petter.co.uk LISTER PETTER