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Tel: +44 (0)1981 241668 

Skyrrid Farm, Pontrilas, Hereford. HR2 0BW. UK 

           www.leturbines.com  

 

 

 Page 5 of 28

 

 

 

Safety Precautions 

 
Safety must always be your primary concern during the assembly, installation and operation of your 
LE-v150 turbine. Always be aware of the risks involved with mechanical and electrical installation 
work.  If  in  doubt  about  any  issue  regarding  your  turbine,  please  seek  further  assistance  before 
proceeding.  Installation  of  the  LE-v150  turbine  should  only  be  undertaken  by  suitably  competent 
and qualified personnel.  
 
Mechanical Safety Hazards 

 

The main rotor is the most obvious and serious mechanical safety risk. When the turbine is 
operating  at  its  rated  performance,  the  blades  may  be  very  difficult  to  see,  due  to  the 
speed of rotation. Never approach the turbine whilst it is operating at speed. Ensure that 
the turbine is installed in a suitable position where nobody can  interfere with the rotor 
blades.  

 

Working  with  tools  of  any  kind  can  be  dangerous.  Your  LE-v150  turbine  requires  some 
basic mechanical assembly with rudimentary hand tools. If you are in any doubt about how 
to use these tools correctly, please seek advice from a suitably experienced person. 

 

Your  LE-v150  turbine  will  inevitably  be  installed  upon  a  mast  or  tower  or  other  support 
structure.  This  may  mean  working  at  height.  Always  ensure  that  all  personnel  in  the 
immediate  vicinity  are  aware  of  any  lifting  /  hoisting  operations  that  will  be  occurring. 
Check  there  are  no  loose  components  or  tools  likely  to  fall  and  cause  injury  during  the 
lifting operation. Where possible, all assembly work should be completed at ground level.  

 

Ensure that the batteries are disconnected during the installation procedure. 

 

Twist the turbine output cables together (to create a short circuit) during the mechanical 
installation process. This will prevent the turbine from ‘spinning up’ during the installation. 

 

Never install the turbine upside down or in any orientation other than that depicted on the 
installation instructions. 

 

Install your turbine during a calm day. 

 
Electrical Safety Hazards 

 

The LE-v150 generates rectified DC voltage. Even at these low voltages there are inherent 
risks. Caution should always be used when connecting the LE-v150 to the electrical system. 

 

Ensure  that  you  have  followed  the  cable-sizing  chart  to  ensure  that  the  correct  size  of 
transmission cable has been selected. If a cable of insufficient cross-sectional area is used, 
heat may build up in the cables causing a potential fire hazard. Using cables of insufficient 
cross-sectional area may also reduce the power transmission efficiency of the turbine. 

 

Battery  systems  can  deliver  a  serious  amount  of  current.  A  short  circuit  in  the  battery 
circuit can lead to hundreds of amps flowing through the battery cables. This will cause a 
heat build-up and ultimately an electrical fire. Batteries can explode when shorted. Always 
use insulated electrical tools when working on the battery’s electrical connections. 

 

Batteries are very heavy. Do not attempt to move batteries by yourself. Always use manual 
handling tools and an assistant. 

 

Always keep lead-acid batteries the correct way up. Do not allow the acidic electrolyte to 
spill or come into contact with your skin or face. Always follow the manufacturer’s safety 
instructions when handling lead-acid batteries. 

 

Please use common sense when installing and operating your turbine! 

Summary of Contents for GA-LETU-013

Page 1: ...m Pontrilas Hereford HR2 0BW UK www leturbines com Page 1 of 28 LE v150 LE v150 Extreme Turbine Installation Operation Guide A silent and robust vertical axis wind power for a range of off grid applic...

Page 2: ...lation 10 Turbine Operation 13 Maintenance 15 Spares 16 Warranty 17 Disclaimer 18 Appendix 1 DL 300 Charge Controller User Manual 20 Appendix 2 Run Stop Switch User Manual 24 Warranty Registration Ple...

Page 3: ...on charge controller optional always ensure that the turbine and the controller are connected to the battery separately 3 Don t allow the turbine to run without being connected to the battery Failing...

Page 4: ...to ensure optimum efficiency and a long operating life Specific LE v150 turbine features Innovatively designed axial flux alternator using neodymium iron boron magnets Bearing support at both ends of...

Page 5: ...completed at ground level Ensure that the batteries are disconnected during the installation procedure Twist the turbine output cables together to create a short circuit during the mechanical install...

Page 6: ...Part Number GA LETU 013 Turbine Name LE v150 Extreme Part Number GA LETU 023 Nominal Voltage 12V 24V 48V DC Rotor Diameter 270 mm Rated Wind Velocity 8 m s Rated Output 24 Watts Start up Wind Velocity...

Page 7: ...r dealer immediately Tools Required For Assembly You will require the following tools to assemble your LE v150 turbine 13 mm A F spanner 13 mm ratchet one of each required 8mm A F spanner or ratchet A...

Page 8: ...ly E Retighten the upper and lower stub shaft fixings and check that the turbine still rotates freely F Reposition and fix the cowlings ensuring that they do not rub upon each other The bearing units...

Page 9: ...e turbine removed from the baseboard it can now be fitted in its intended position The LE v150 is supplied as standard with three universal flat mounting brackets Dimensions of the brackets can be fou...

Page 10: ...generic wiring diagrams In a battery charging renewable energy system there may be different ways of wiring small wind turbines photovoltaic panels charge controllers and batteries together This type...

Page 11: ...etween the switch and the batteries Run Stop Switch A simple switch arrangement can provide a safe and easy way of stopping the turbine for maintenance Leading Edge Turbines can supply a switch which...

Page 12: ...Tel 44 0 1981 241668 Skyrrid Farm Pontrilas Hereford HR2 0BW UK www leturbines com Page 12 of 28 Fig 4 Simple Stand Alone battery charging wiring diagram...

Page 13: ...Tel 44 0 1981 241668 Skyrrid Farm Pontrilas Hereford HR2 0BW UK www leturbines com Page 13 of 28 Fig 6 Typical Hybrid wind PV System wiring diagram...

Page 14: ...tor speed increases so too will the current and voltage Shut Down If Run Stop switch is fitted A run stop switch is not required with the LE v150 turbine but one can be installed if desired see append...

Page 15: ...If many dents have occurred along the edges of the blades a new set of rotor blades should be fitted part numbers available in the Spares section Remove any build up of dirt and debris from the rotor...

Page 16: ...Dealer and quote the part numbers listed below Rotor Blade set of 3 DP LETU 303 x3 Bearing Housing DP LETU 198 Bearing Service Kit OS 296 Stator 12 VDC SA LETU 005 12V Stator 24 VDC SA LETU 005 24V St...

Page 17: ...rranty and may compromise the safety of the machine What is not covered by your warranty Damage caused by unsatisfactory installation of the turbine tower and or control equipment Damage caused by the...

Page 18: ...side of the chassis Disclaimer All specifications are subject to change without prior notice The information given in this user manual is believed to be accurate and reliable Leading Edge Turbines ass...

Page 19: ...Tel 44 0 1981 241668 Skyrrid Farm Pontrilas Hereford HR2 0BW UK www leturbines com Page 19 of 28 Appendix 1 DL 300 Charge Controller User Manual...

Page 20: ...The DL 300 Features PWM Pulse Width Modulation for highest charging performance without flicker Selectable three stage charging or over voltage protection mode Selectable for sealed or flooded batter...

Page 21: ...hat the correct size of cable has been selected If a cable of insufficient cross sectional area is used at any point in the electrical system heat will build up in the cables causing a potential fire...

Page 22: ...s should a jumper be applied to pins 2 1 position shown to help locate pins 2 2 Jumper Pins 2 1 Jumper Pins 2 2 Gel type Batteries No Jumper No Jumper Flooded type Batteries No Jumper Connect Jumper U...

Page 23: ...ating The fuse or breaker should be positioned between the DL 300 and batteries on the positive cable DL 300 Voltage Set Points Whilst operating the DL 300 does a multi stage charge based on time and...

Page 24: ...Tel 44 0 1981 241668 Skyrrid Farm Pontrilas Hereford HR2 0BW UK www leturbines com Page 24 of 28 Appendix 2 Run Stop Switch User Manual Only operate in light winds...

Page 25: ...peated dynamic braking operations The switch has two positions Position 1 Turbine Stop position The turbine is dynamically braked and may be seen to rotate very slowly Position 2 Turbine Run position...

Page 26: ...move batteries by yourself Always use manual handling tools and an assistant Always keep lead acid batteries the correct way up Do not allow the acidic electrolyte to spill or come into contact with y...

Page 27: ...Tel 44 0 1981 241668 Skyrrid Farm Pontrilas Hereford HR2 0BW UK www leturbines com Page 27 of 28...

Page 28: ...arm Pontrilas Hereford HR2 0BW UK www leturbines com Page 28 of 28 Contact Us Your Local Distributor Leading Edge Turbines Ltd Skyrrid Farm Pontrilas Hereford HR2 0BW UK Tel 44 0 1981 241 668 info let...

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