Ingeteam Ingecon mWind Interface User manual

Ingecon®μWind Interface
Installation manual

The copy, distribution or use of this document or of its content requires written authorisation. Any breach thereof will
be reported for damages. All rights reserved including those of patent rights or design registration.
The conformity of the document content with the hardware described has been checked. However, discrepancies may
exist. Liability will not be assumed for total concordance. The information contained in this document is regularly
reviewed and it is possible that there may be changes in subsequent editions. Other functions may be available which
are not covered by this document.
This document may be changed.
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02/2012
Ingeteam Power Technology, S.A.
Energy
Avda. Ciudad de la Innovación, 13
31621 SARRIGUREN (Navarra) - Spain
Tel.: [phone]
Fax.: [phone]
e-mail: [e-mail]
Service Call Center: [phone]

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Important safety precautions
This manual contains important instructions for the installation, handling and use of the Ingecon®μWind Interface
(also termed IWI in this manual).
This manual should be read carefully before use and properly retained for future reference.
General warnings
The operations detailed in this manual may only be performed by suitably qualified personnel.
Qualified personnel, as referred to in this manual, means personnel who at least meet the require-
ments of all safety standards, rules, regulations, and legislation applicable to the equipment installa-
tion and operating tasks.
The responsibility for appointing qualified personnel shall always fall to the company at which the said
personnel is employed. This company must decide which worker is suitable for each specific task, in
order to ensure worker safety and comply with all occupational safety legislation.
The said companies are responsible for providing their personnel with adequate training in work with
electrical equipment and for ensuring that such personnel is familiar with the contents of this manual.
You are reminded that it is mandatory to comply with all applicable safety legislation for electrical
work. There is an electrical discharge hazard.
Compliance with the safety instructions set out herein or with the suggested legislation, is not an
exemption for compliance with other standards and regulations specific to the installation, place,
country or other circumstances affecting the inverter.
The opening of the enclosure does not mean that no voltage is present inside.
There is an electrical discharge hazard, even after having disconnected from the mains, the wind
turbine and the auxiliary power supplies.
Only qualified personnel are permitted to open the enclosure, following the instructions provided in
this manual.
It is mandatory to read and understand this entire manual before manipulating, installing or operating
this equipment.
The basic country-specific safety regulations are as follows:
• RD614/2001 in Spain.
• CEI11-27 in Italy.
• DINVDE0105-100 and DINVDE1000-10 in Germany.
• UTEC15 -400 in France.
To check that no voltage is present, it is mandatory to use class III - 1000 Volt measuring devices.
Ingeteam assumes no liability for any damage caused by the improper use of its equipment.

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When performing any operating or manipulation task, first ensure that no voltage is present.
As a minimum safety measure for this operation, the 5 Golden Rules must be followed:
1. Disconnect.
2. Prevent any possible re-connection.
3. Check that no voltage is present.
4. Ground and short-circuit.
5. Protect against nearby live equipment, where appropriate, and place safety warning signs to
demarcate the work area.
Non-live work cannot be authorised until all five steps have been completed. Therefore, any work prior
to compliance with these steps shall be considered to be work on live parts.

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Potential hazards for people
The following warnings should be taken into account, in order to protect your safety.
DANGER: Electric shock.
The equipment may still carry a charge even after disconnecting it from the wind turbine and power
supply.
Strictly follow the mandatory voltage disconnection steps contained in this manual.
DANGER: Crushing and joint injuries.
Always follow the instructions contained in the manual when moving and positioning the equipment.
DANGER: High temperatures.
The airflow through the upper outlets can reach high temperatures which could cause injuries to
anyone exposed to this hot air.
The equipment rear functions as a heat sink. Do not touch, there is a burn hazard.

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Potential hazards for the equipment
In order to protect the equipment, the following warnings should be heeded.
CAUTION: Ventilation.
The equipment requires a good quality airflow during operation.
It is essential to keep the unit upright and not to obstruct the air inlets, in order to ensure that the
equipment interior is well ventilated.
CAUTION: Connections.
Following any duly authorised manipulation work, before reconnection, check that the equipment is
ready to start operating. Only then should the equipment be connected, following the instructions
contained in the manual.
Do not touch the electronic boards or components. The more sensitive components could be damaged
or destroyed by static electricity.
Do not disconnect or connect any terminals whilst the equipment is operating. You must first discon-
nect the equipment and check for the absence of voltage.
Personal Protection Equipment (PPE)
Use all the items comprising the protective equipment.
Chapter “4. Safety instructions” refers to the use of these items, depending on circumstances.
The personal protection equipment comprises:
• Safety glasses to protect against mechanical hazards.
• Safety glasses to protect against electrical hazards.
• Safety footwear.
• Helmet

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Table of Contents
1. Overview .................................................................................................................................................9
1.1. Introduction .....................................................................................................................................9
1.2. Equipment description ......................................................................................................................9
1.2.1. Functional diagram of the equipment........................................................................................10
1.2.2. Options .................................................................................................................................10
1.3. Compliance with standards and regulations .......................................................................................10
1.3.1. CE Marking ............................................................................................................................10
Low Voltage Directive...................................................................................................................10
Electromagnetic Compatibility Directive .........................................................................................10
2. System description .................................................................................................................................11
2.1. Location ........................................................................................................................................11
2.1.1. Site .......................................................................................................................................11
2.1.2. IP Rating ...............................................................................................................................11
2.1.3. Ambient temperature ..............................................................................................................11
2.1.4. Atmospheric conditions...........................................................................................................11
2.1.5. Contamination rating ..............................................................................................................11
2.1.6. Noise contamination ...............................................................................................................12
2.1.7. Ventilation..............................................................................................................................12
2.1.8. Mounting and anchorage surface..............................................................................................12
2.2. Environmental characteristics ..........................................................................................................13
2.3. EMC Requirements.........................................................................................................................13
3. Operating, conservation and transport conditions.......................................................................................14
3.1. Receipt of the equipment ................................................................................................................14
3.2. Handling .......................................................................................................................................15
3.3. Transport ......................................................................................................................................16
3.4. Storage .........................................................................................................................................16
3.5. Conservation..................................................................................................................................17
3.6. Waste disposal...............................................................................................................................17
4. Safety instructions .................................................................................................................................18
4.1. Contents........................................................................................................................................18
4.2. Symbols ........................................................................................................................................18
4.3. Definition of the tasks to be performed.............................................................................................18
4.3.1. Inspection tasks .....................................................................................................................19
4.3.2. Operational tasks ...................................................................................................................19
4.3.3. Manipulation tasks .................................................................................................................19
4.4. General points ...............................................................................................................................19
4.4.1. Hazards present and general preventive measures .....................................................................20
4.4.2. Hazards and additional measures in manipulation tasks .............................................................20
4.4.3. Personal Protection Equipment (PPE).......................................................................................20
4.5. Inspection, operational and manipulation tasks..................................................................................20
4.5.1. Inspection tasks .....................................................................................................................20
4.5.2. Operational work....................................................................................................................21
4.5.3. Manipulation work ..................................................................................................................21
5. Installation ............................................................................................................................................22
5.1. General installation requirements .....................................................................................................22
5.2. Wall mounting the equipment ..........................................................................................................22
5.3. Electrical connection ......................................................................................................................24
5.3.1. Description of cable ports .......................................................................................................24
Communication ...........................................................................................................................24
Analog inputs..............................................................................................................................24
Auxiliary power supply..................................................................................................................24
Wind turbine input.......................................................................................................................24
DC output...................................................................................................................................24
Braking resistors .........................................................................................................................24
5.3.2. Order in which the equipment connections should be made........................................................25
5.3.3. System diagram .....................................................................................................................25
5.3.4. Communication......................................................................................................................25
5.3.5. Analog inputs ........................................................................................................................26

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5.3.6. DC output .............................................................................................................................27
5.3.7. Connection of the braking resistors...........................................................................................28
5.3.8. Connection to the wind turbine ................................................................................................29
Connection to a wind turbine with an AC voltage output...................................................................30
Connection to a wind turbine with a DC voltage output ....................................................................30
5.4. Electrical disconnection ..................................................................................................................30
6. Commissioning ......................................................................................................................................31
6.1. Equipment inspection .....................................................................................................................31
6.1.1. Inspection..............................................................................................................................31
6.1.2. Hermetic seal of the equipment ...............................................................................................31
6.2. Power-up.......................................................................................................................................32
7. Preventive maintenance...........................................................................................................................32
7.1. Maintenance tasks ..........................................................................................................................32
8. Troubleshooting......................................................................................................................................33

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1. Overview
1.1. Introduction
This manual aims to describe the Ingecon®μWind Interface (IWI) and provide adequate guidelines for correct recep-
tion, installation, commissioning, maintenance and operation.
1.2. Equipment description
The Ingecon®μWind Interface has been designed to work together with the Ingecon®µWind inverters in the control
and conversion of the energy generated by the wind turbine.
This equipment offers the following functions:
• Perform the AC-DC conversion, by adapting the AC voltage generated by the wind turbine to the Ingecon®
µWind DC voltage input.
• Protect the system against an excessive rotational speed and over voltages and also to limit the power intake
when the wind turbine is operating in conditions with strong winds.
• Stop the wind turbine.
• Remote control of the installation and to monitor additional wind farm variables.
In addition to the capability of performing the AC-DC conversion, the Ingecon®μWind Interfaces also offer the possi-
bility of connecting wind turbines with a DC output voltage. In this case, the protection, monitoring and remote control
functionalities can still be used.
wind turbine
resistors*
communications
grid
Ingecon®μWind Interface Ingecon®μWind
* resistors are not included with the equipment.

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1.2.1. Functional diagram of the equipment
resistors*
Ingecon®μWind Interface
communications
interlock
contactors
rectifier
controller
analog inputs
* resistors are not included with the equipment.
1.2.2. Options
For special applications, the Ingecon®μWind Interface features two digital opto-isolated inputs for voltages of 0 ~
24V. In addition to two potential free contacts that can be used as digital communication outputs or as a system to
activate the auxiliary braking systems or Pitch control system.
Optionally, it can access the Ingecon®Manager software to monitor system configuration, variables, and remote
control.
1.3. Compliance with standards and regulations
The Ingecon®μWind Interface models can be fitted with kits to adapt them to the standards and regulations in all
European countries and also those in force in other continents.
1.3.1. CE Marking
The CE marking is essential for marketing any product in the European Union, without prejudice to all applicable
standards and regulations. The Ingecon®μWind Interface models bear the CE Marking through compliance with the
following directives:
• Low Voltage Directive 2006/95/EC
• Electromagnetic Compatibility Directive 2004/108/EC
Low Voltage Directive
The Ingecon®μWind Interface models are sufficiently compliant with this directive by compliance with the applicable
parts of harmonised standard EN 50178 Electronic for use in power installations.
Electromagnetic Compatibility Directive
The Ingecon®μWind Interface models are sufficiently compliant with this directive by compliance with the applicable
parts of the following harmonised standards:
• EN 61000-6-2 Electromagnetic Compatibility. Part 6-2: Generic Standards - Immunity for Industrial
Environments.

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• EN 61000-6-3 Electromagnetic Compatibility. Part 6-3: Generic Standards - Emission for residential
environments.
Compliance with these standards makes it necessary to comply with limits and procedures from other standards in
the same series.
All other standards and regulations applicable to grid connected wind turbines are met by Ingecon®µWind.
2. System description
2.1. Location
This section provides guidelines for selecting and correctly adapting the equipment to a suitable site.
2.1.1. Site
Locate the equipment in a place which is easily accessible for installation and maintenance work
It is strictly forbidden to place objects of any type on the equipment.
The heat sink can reach temperatures of 85 ºC. Do not place heat-sensitive material close to the
inverter.
2.1.2. IP Rating
The Ingecon®μWind Interface models have an IP65 level of protection against the ingress of foreign matter, which
means that outdoor installation is possible.
IP65 means that the equipment is fully dust tight and also protected against the impact of water jets in any direction,
as defined for this protection rating in standard IEC60529.
Despite this, excessive humidity may activate the equipment protection system and cause it to shut itself down.
Locate the equipment in a place sheltered from the rain and away from corrosive environments.
2.1.3. Ambient temperature
The Ingecon®μWind Interface models are designed to operate between -20 ºC and 70 ºC.
2.1.4. Atmospheric conditions
The surrounding air must be clean, with a relative humidity of not more than 50% at more than 40 ºC. Higher percent-
ages of relative humidity, of up to 95%, are tolerable at temperatures below 30 ºC.
Account should be taken of the fact that, occasionally, moderate condensation may occur as a result of temperature
changes. For this reason, in addition to the equipment’s own protection system, the equipment should also be moni-
tored when operating at sites which may not come within the atmospheric conditions described above.
2.1.5. Contamination rating
The equipment has been designed for a grade 3 contamination rating.

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2.1.6. Noise contamination
When operating, the equipment makes a slight buzzing noise.
Do not locate the equipment in an occupied room, or on lightweight supports that could amplify this
buzzing noise. The mounting surface must be firm and adequate for the weight of the equipment.
2.1.7. Ventilation
The equipment is designed to be cooled by natural convection.
There must be a 30 cm obstacle-free area above the equipment and 20 cm around the base. This is to ensure that
the inverter cooling system operates correctly.
Facilitate the circulation of incoming and outgoing air through the ventilation grids.
2.1.8. Mounting and anchorage surface
To guarantee correct heat dissipation and airtightness, the equipment must be mounted on a perfectly vertical wall
or, failing this, with a maximum angle of inclination of +10º or -10º to the vertical.
>10º
>10º
The equipment should be mounted on a solid wall that will allow holes to be drilled and the insertion of lag screws
and rawl plugs capable of withstanding the weight of the equipment.
The following figure provides the measurements in millimetres for drilling the holes.

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375
375
73 200 73
12318
8329 8
0
7,5
0
7,5
0
7,5
0
7,5
2.2. Environmental characteristics
The environmental operating conditions are:
Environmental conditions
Minimum temperature -20 ºC
Minimum temperature of the surrounding air -20 ºC
Maximum temperature of the surrounding air 70 ºC
Maximum relative humidity with no condensation 95%
For more detailed information, please refer to Chapter “3. Operating, conservation and transport conditions”.
2.3. EMC Requirements
The Ingecon®μWind Interface models are compliant with the EMC requirements for industrial applications, in order
to avoid causing disturbances in other, external equipment.

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3. Operating, conservation and transport conditions
Failure to comply with the instructions provided in this section could cause damage to the equipment.
Ingeteam assumes no liability whatsoever for damages derived from non-compliance with these
instructions.
3.1. Receipt of the equipment
Receipt
On receipt, please check the terms indicated in the Delivery Note, sign the box: “Firma Receptor Mercancía” (signa-
ture of the recipient of the goods) and return the signed copy to the sender’s address.
Do not unpack the equipment until it is ready to be installed. It should remain in a horizontal position at all times.
INGETEAM POWER
TECHNOLOGY, S.A.
Avda. Ciudad de la Innovación 13
31621 Sarriguren (Navarra) SPAIN
www.ingeteam.com
INGECON®μWIND INTERFACE
Modelo Ingecon®μWind Interface
Cod. I+D AAY7500
S/N 100010060001
IP65 2011
Ingecon®μWind Interface label
The packaging dimensions are as follows:
Type of packaging Weight (Kg) Length x Depth x Height (mm)
Cardboard box with foam 7 400 X 400 X 240
Unpacking the equipment
The equipment is clearly identified by its own, unique serial number. This number should be referred to in all commu-
nications with Ingeteam. It is indicated as S/N on the nameplate, as shown below.

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INGETEAM POWER
TECHNOLOGY, S.A.
Avenida Ciudad de la
Innovación 13
31621 Sarriguren (Spain)
www.ingeteam.com
Ingecon®μWIND INTERFACE
Ingecon®μWind Interface
PGENERATOR: 0 ~ 6000 W
VGENERATOR: 0 ~ 450 VAC / 0 ~ 600 VDC
VAUX: 230 VAC
FAUX:50/60 Hz
Std:
S/N: 100110070001
IP65 2011
Damage during carriage
Should the equipment sustain damage during carriage:
1. Do not install it.
2. Immediately notify your distributor of these circumstances, with 5 days as of the equipment reception date.
Should it be finally necessary to return the equipment to the manufacturer, then the original packaging should be
used.
Packaging disposal
All the packaging can be given to an authorised manager of non-hazardous waste.
In any case, each part of the packaging should be disposed of as follows:
• Plastic (polystyrene, bag and bubble wrap): corresponding container (plastics and containers).
• Cardboard: Corresponding container (paper and cardboard).
3.2. Handling
Correct equipment handling is extremely important. This ensures that:
• The packaging remains intact and the equipment is maintained in optimum conditions right from shipment
until unpacking.
• The equipment is not knocked and/or dropped, which could affect its mechanical characteristics, for
example, improper door closure, loss of IP rating, etc.
• Vibrations are avoided as far as possible, which could lead to subsequent malfunctioning.
Any anomaly observed should be reported to Ingeteam immediately.

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3.3. Transport
Correct equipment transport and storage are the first steps required for correct use and operation. Taking account of
the instructions given in section “3.2. Handling” and as a preventive measure, Ingeteam would advise working with
hauliers specialising in the carriage of special and/or fragile equipment.
All packaged equipment must be handled with tools that will not damage the packaging.
During transport and storage, the equipment should be protected against mechanical impact, vibrations, water projec-
tions (rain) and against any other product or circumstances that could damage the equipment or affect its performance.
Moving the equipment with a pallet jack
If a pallet jack is to be used to move various items of equipment at the same time, then at least the following instruc-
tions should be observed:
1. Position the packaged equipment so that it is centred over the forks.
2. Try to ensure that the equipment is positioned as close as possible to the connection between the fork and
the handle.
3. En any event, observe the instructions provided in the pallet jack manual.
Moving the equipment with a fork-lift truck
If a fork-lift truck is to be used to move various items of equipment at the same time, then at least the following
instructions should be observed:
1. Position the packaged equipment so that it is centred over the forks.
2. Try to ensure that the equipment is positioned as close as possible to the connection between the fork and
the chassis.
3. Ensure that the forks are perfectly level, to prevent the equipment from possibly being tipped off.
4. En any event, observe the instructions provided in the fork-lift truck manual.
Once the equipment has been moved to the place of installation, it should be left in the packaging until it is ready to
be installed.
At that point, it can be moved vertically, or a short distance, without the packaging. The following point should be
observed.
Moving the equipment once the packaging has been removed
At least the following instructions should be observed:
1. Use the side grips to grasp the equipment with both hands.
2. Follow the ergonomic advice given for lifting heavy objects.
3. Do not let go of the equipment until it is perfectly anchored in position or is firmly in place.
4. Ask another person to direct the movements to be made.
3.4. Storage
If the equipment is not to be installed immediately after receipt, then the following points should be taken into
account in order to prevent deterioration:
• The package should be stored in the position in which the box was received.
• Keep the equipment free from dirt (dust, shavings, grease, etc.) and out of the reach of rodents.
• Avoid contact with water jets, welding sparks, etc.
• Protect the equipment with a breathable protective cover in order to prevent condensation caused by ambient
humidity.
• The equipment should not be stored in ambient conditions other than those indicated in section “2.2.
Environmental characteristics”.
• It is extremely important to protect the equipment from contact with chemicals, which could cause corro-
sion, and also from saline environments.

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3.5. Conservation
In order to correctly conserve the equipment, the original packaging should not be removed until just before the equip-
ment is to be installed.
In the event of storage for a long period of time, you are advised to do so in a dry place, avoiding abrupt temperature
changes as far as possible.
Damaged packaging (cuts, holes, etc.) means that the equipment will not be maintained in optimum conditions before
installation.
Ingeteam assumes no liability for possible damage, if this condition is not met.
3.6. Waste disposal
During the installation, commissioning and maintenance procedures, the waste generated must be adequately treated
in compliance with the country-specific regulations.
At the end of the useful life of the equipment, the waste must be given to an authorised manager.
In this section, Ingeteam, in its commitment to an environmentally friendly policy, provides Authorised Managers with
information on the location of the components to be decontaminated.
Those equipment components which must be specifically
treated are:
1. Printed circuit boards
2. Electrolytic capacitors or containing a PCB
1
2

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4. Safety instructions
4.1. Contents
This section contains the safety instructions to be followed when installing, operating and accessing the equipment.
Failure to comply with these “Safety Instructions” may result in bodily injury or even death, or cause damage to the
equipment.
Before operating the equipment, please read these “Safety instructions” carefully.
4.2. Symbols
Safety warnings provide information on conditions that could cause serious bodily injury or death and/or damage to
the equipment. Together with the warning sign, instructions are given as to how to avoid such hazards to persons and
equipment.
These symbols are listed below with an explanation of their meaning.
DANGER: electric shock
A warning that the high voltage present in the equipment could cause bodily injury or even death and/
or damage to the equipment.
General warning: regarding conditions that could result in bodily injury and/or damage to the
equipment.
Caution hot surface: warning about the presence of hot parts that could cause serious burns.
All work-specific safety warnings and notes are included in each corresponding chapter and are also repeated and
completed at the critical points in that chapter.
Please read this information carefully. It has been written with your personal safety in mind, whilst
ensuring the maximum service life for the equipment itself and for any devices connected to it.
4.3. Definition of the tasks to be performed
The installation, commissioning, inspection and maintenance operations may only be performed
by suitably qualified personnel, trained to work with electrical equipment (hereinafter qualified
personnel). You are reminded that it is mandatory to comply with all safety regulations and standards
applicable to electrical work.
The opening of the equipment door in no way implies that no voltage is present inside. Access is there-
fore restricted to qualified personnel, observing the safety conditions established in this document.
The set of conditions detailed below should be considered to be the minimum requirements. It is
always advisable to disconnect from the mains. The installation could be faulty, causing undesirable
voltage returns. There is an electrical discharge hazard.

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In addition to the safety measures indicated in this manual, any general measures that may be appli-
cable should also be taken into account (installation-specific, country-specific, etc.).
The electrical installation must not entail fire or explosion hazards. Workers must be properly protected
against the risk of accidents caused by direct or indirect contact. The electrical installation and the
protective devices must take account of the voltage, all external conditioning factors and the compe-
tence of those people having access to the installation parts.
All work equipment must be adequate for protecting exposed workers against the risk of direct or
indirect contact with electricity. At any event, the electrical parts of the equipment must comply with
the provisions of the corresponding specific standards and regulations.
All workers performing work in the open air shall stop work in the event of storms, heavy rainfall,
strong winds, snow or any other unfavourable environmental condition that hinders visibility or the
handling of tools. Work on indoor installations directly connected to overhead electricity lines must be
interrupted in the event of a storm.
Ingeteam assumes no liability whatsoever for damages caused by the improper use of the equipment.
Any work on any of this equipment and involving a change in the original electrical layout, must first be
proposed to Ingeteam. This proposed new layout must then be studied and authorised by Ingeteam.
The necessary safety measures must be in place to prevent unauthorised persons from
handling the equipment and to keep them away from the vicinity of the equipment.
• Warning signs to indicate the presence of personnel at work.
• Lockout mechanisms or mechanical locking, by padlocks with keys.
These instructions must be easily accessible, close to the equipment and within easy reach of all users.
Before installing and commissioning the equipment, please read these safety instructions and warnings carefully
and all the warning signs placed on the equipment. Ensure that all warning signs are perfectly legible and that any
damaged or missing signs are replaced.
4.3.1. Inspection tasks
Tasks involving the opening of the enclosure to make visual inspections.
4.3.2. Operational tasks
Tasks involving loading software from the communications connector and tasks involving the start-up of the wind
turbine.
4.3.3. Manipulation tasks
Tasks involving the mounting and/or replacement of parts (fuses, switchgear in general, etc.), voltage disconnection
and reconnection tasks, connection of other equipment to the unit, and connection of the communication wiring to
the equipment. All tasks not considered to be Inspection or Operational tasks shall be classed as Manipulation tasks.
4.4. General points
This section defines the preventive measures to be adopted when performing all types of work on the equipment, in
order to work safely and control unavoidable hazards.
Protection against direct contact is provided by the enclosure which has a protection rating of IP 65.
The equipment has been tested to the applicable standards and regulations to ensure that it complies with the safety

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requirements, the isolation distance values and the leakage lines for the voltages used.
The tools and/or equipment used for the equipment manipulation tasks must have double reinforced insulation
(class II).
4.4.1. Hazards present and general preventive measures
Impact against stationary objects:
• Inform the workers of the hazard.
• Adequate lighting.
• Work carefully.
• Maintain sufficient distance to avoid contact with the hazard.
Knocks, punctures and cuts with objects and/or tools:
• Keep the cover closed when not working in the cubicle.
• Adequate lighting.
• Good housekeeping.
• Mandatory use of a helmet, safety footwear and gloves when required.
4.4.2. Hazards and additional measures in manipulation tasks
Thermal contact
• Inform the workers of the hazard.
• It is advisable to wear gloves.
• Disconnect the power supply and wait 10 minutes to allow the hot parts inside the equipment time to cool
down.
4.4.3. Personal Protection Equipment (PPE)
It is mandatory to wear safety footwear compliant with standard EN 345 -1:1992. It is also mandatory to wear kid
gloves.
It is also mandatory to wear dielectric gloves that are compliant with the EN- 60903-1992 standard and a safety face
mask that provides protection against electric shocks and is compliant with the EN-168-1994 standard for tasks
involving checking voltages.
4.5. Inspection, operational and manipulation tasks
Defined below are the mandatory safety measures required to perform the inspection, operational and/or manipulation
tasks on this equipment.
Opening system: the cover can only be opened and closed by removing or inserting the mounting
hardware.
It is strictly forbidden to access the equipment interior by any point other than the access cover
designed for this purpose.
4.5.1. Inspection tasks
If the equipment interior is to be inspected, then this should only be done through the front cover.
Once the inspection work has been completed, replace the front cover and secure it with the appropriate screws.