Legrand ASI Keor compact 20 KVA-0 User Manual
Displayed below is the user manual for ASI Keor compact 20 KVA-0 by Legrand which is a product in the Uninterruptible Power Supplies (UPSs) category. This manual has pages.
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UPS Keor Compact
Installation and maintenance manual
Item LE12675AA-11/21-01 WP
2
UK ENGLISH 3
UPS Keor Compact
UPS Keor Compact
3
Installation and maintenance manual
1 Introduction 6
1.1 Purpose of the manual 6
1.2 Symbols in the manual 6
1.3 Where and how to keep the manual 7
1.4 Update of the manual 7
1.5 Manufacturer's liability and guarantee 7
1.5.1 Guarantee terms 7
1.5.2 Extension of the guarantee and maintenance contracts 8
1.6 Copyright 8
2 Regulatory and safety requirements 9
2.1 General notes 9
2.2 Denitions of “Skilled Technician” and “Operator” 9
2.2.1 Skilled Technician 9
2.2.2 Operator 9
2.3 Personal Protective Equipment 10
2.4 Hazard signs in the workplace 10
2.5 Signs on the equipment 11
2.6 General warnings 11
2.7 How to proceed in an emergency 13
2.7.1 First-aid procedures 13
2.7.2 Fire procedures 13
3 Transportation and placement 14
3.1 Visual check 14
3.2 Equipment check 14
3.3 Unpacking 15
3.4 Movement 17
3.5 Positioning constraints 18
Contents
4
4 Installation 19
4.1 Safety regulations 19
4.2 Views 20
4.2.1 Rear View 20
4.2.2 Internal Right View 21
4.2.3 Internal Top View 21
4.3 Electrical connections 22
4.3.1 Protective devices 23
4.3.2 Earthing connection 23
4.3.3 Internal battery installation 24
4.3.3.1 Keor Compact 20 kVA 24
4.3.3.2 Keor Compact 15 kVA 25
4.3.3.3 Keor Compact 10 kVA 26
4.3.4 Terminals conguration 27
4.3.4.1 Factory conguration: THREE PHASE input – THREE PHASE output with common bypass input line 27
4.3.4.2 THREE PHASE input - THREE PHASE output connection with separate bypass input line 27
4.3.5 Input cables installation 28
4.3.6 Bypass cables installation 28
4.3.7 Output cables installation 29
4.3.8 Battery cables installation for external battery cabinets 29
4.4 Parallel connections 30
4.5 Communication devices 32
5 Configuration and Start-up 35
5.1 Pre-start-up checks 35
5.2 Start-up procedures 35
5.2.1 Start-up in normal mode 36
5.2.2 Cold start 37
5.2.3 Start-up in Eco mode 37
5.2.4 Start-up in Converter mode 37
Contents
UPS Keor Compact
Installation and maintenance manual
5
6 Maintenance 38
6.1 Preventive maintenance 38
6.2 Periodical checks 38
6.3 Ordinary maintenance 39
6.4 Extraordinary maintenance 39
7 Warehousing 40
7.1 UPS 40
7.2 Batteries 40
8 Dismantling 41
8.1 Battery disposal 41
8.2 UPS dismantling 41
8.3 Electronic component dismantling 41
9 Mechanical characteristics 42
10 Technical data 44
11 Tables 48
6
1. Introduction
INDICATION
The instructions in this manual are intended for a SKILLED TECHNICIAN (paragraph 2.2.1)
1.1 Purpose of the manual
The purpose of this manual is to provide the skilled technician (see paragraph 2.2.1) with instructions for safely installing
the Keor Compact UPS, also called “equipment” in the rest of the manual and carry out ordinary maintenance procedures.
Extraordinary maintenance operations are not dealt with because they are the sole preserve of the LEGRAND Technical
Support Service.
The reading of this manual is essential but does not substitute the skill of technical personnel who must have received
adequate preliminary training.
The intended use and configurations envisaged for the equipment as shown in this manual are the only ones allowed by
the Manufacturer.
Any other use or configuration must be previously agreed with the Manufacturer in writing and, in this case, the written
agreement will be attached to the installation and user manuals.
This manual also refers to laws, directives and standards that the skilled technician is required to be aware of and consult.
The original text of this publication, drafted in English, is the only reference for the resolution of disputes of interpretation
linked to translations into other languages.
1.2 Symbols in the manual
Some operations are shown in graphic symbols that draw the attention of the reader to the danger or the importance
they imply:
DANGER
This indication shows a danger entailing a high degree of risk that, if not avoided, will lead to death or serious injury or
considerable damage to the equipment and things around it.
WARNING
This indication shows a danger entailing a low level of risk that, if not avoided, could lead to minor or moderate injury or
material damage to the equipment and the things around it.
CAUTION
This indication shows a danger entailing a low level of risk that, if not avoided, could lead to minor or moderate injury or
material damage to the equipment and the things around it.
INDICATION
This symbol indicates important information which should be read carefully.
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Installation and maintenance manual
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1.3 Where and how to keep the manual
This manual must be kept in a safe, dry place and must always be available for consultation exclusively by the skilled
technician.
It is recommended to make a copy of it and file it away.
If information is exchanged with the Manufacturer or the authorized assistance personnel, it is essential to refer to the
equipment’s rating plate data and serial number.
INDICATION
The manuals provided with the equipment are an integral part of it and must therefore be kept for its entire lifetime.
n case of need (for example in case of damage that even partially compromises its consultation) the skilled technician is
required to get a new copy from the Manufacturer, quoting the publication code on the cover.
1.4 Update of the manual
The manual reflects the state of the art when the equipment was put onto the market. The publication conforms to the
directives current on that date. The manual cannot be considered inadequate when new standards come into force or
modifications are made to the equipment.
Any addition to the manual the Manufacturer considers appropriate to send to the users, must be kept together with the
manual of which they will become an integral part.
The version of the manual updated to its latest release is available on the Internet at http://www.ups.legrand.com
1.5 Manufacturer's liability and guarantee
The skilled technician and the operator shall scrupulously comply with the precautions and installation instructions
indicated in the manuals. They must:
- always work within the operating limits of the equipment;
- always carry out constant and careful maintenance through a skilled technician who complies with all the procedures
indicated in the installation and maintenance manual.
The Manufacturer declines all indirect or direct responsibility arising from:
- assembly and cabling made by personnel not fully qualified according to national standards to work on equipment
presenting electrical hazards;
- assembly and cabling made without using safety equipment and tools required by national safety standards;
- failure to observe the installation and maintenance instructions and use of the equipment which differs from the spec-
ifications in the manuals;
- use by personnel who have not read and thoroughly understood the content of the user manual;
- use that does not comply with the specific standards used in the country where the equipment is installed;
- modifications made to the equipment, software, functioning logic unless they have been authorized by the Manufac-
turer in writing;
- repairs that have not been authorized by the LEGRAND Technical Support Service;
- damage caused intentionally, through negligence, by acts of God, natural phenomena, fire or liquid infiltration;
- damage caused using batteries and protections not specified in the manuals;
- accidents caused by a wrong assembly of the safety protections or due to the lack of application of the safety labels
specified in the installation manual.
The transfer of the equipment to others also requires to hand over all the manuals. Failure to do it will automatically nullify
any right of the buyer, including the terms of the guarantee where applicable.
If the equipment is sold to a third party in a country where a different language is spoken, the original owner shall be
responsible for providing a faithful translation of this manual in the language of the country where the equipment will
be used.
1.5.1 Guarantee terms
The guarantee terms may vary depending on the country where the UPS is sold. Check the validity and duration with
LEGRAND’s local sale representative.
If there should be a fault in the product, contact the LEGRAND Technical Support Service which will provide all the in-
structions on what to do.
Do not send anything back without LEGRAND's prior authorization.
8
The guarantee becomes void if the UPS has not been brought into service by a properly trained skilled technician (see
paragraph 2.2.1).
If during the guarantee period the UPS does not conform to the characteristics and performance laid down in this manual,
LEGRAND at its discretion will repair or replace the UPS and relative parts.
All the repaired or replaced parts will remain LEGRAND’s property.
LEGRAND is not responsible for costs such as:
- losses of profits or earnings;
- losses of equipment, data or software;
- claims by third parties;
- any damage to persons or things due to improper use, unauthorized technical alterations or modifications;
- any damage to persons or things due to installations where the full compliance with the standard regulating the specific
usage applications have not been guaranteed.
1.5.2 Extension of the guarantee and maintenance contracts
The standard guarantee can be consolidated in a single extension contract (maintenance contract).
Once the guarantee period has passed, LEGRAND is available for giving a technical assistance service able to meet all
requirements, maintenance agreements, 24/7 availability and monitoring.
Please, contact the LEGRAND Technical Support Service for further information.
1.6 Copyright
The information contained in this manual cannot be disclosed to any third party. Any partial or total duplication of the
manual by photocopying or other systems, including electronic scanning, which is not authorized in writing by the
Manufacturer, violates copyright conditions and may lead to prosecution.
LEGRAND reserves the copyright of this publication and prohibits its reproduction wholly or in part without previous
written authorization.
1. Introduction
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Installation and maintenance manual
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2. Regulatory and safety requirements
DANGER
Before carrying out any operation on the equipment, it is necessary to read the entire manual carefully, especially
this chapter.
Look after this manual carefully and consult it repeatedly during installation and maintenance by a skilled
technician.
2.1 General notes
The equipment has been made for the applications given in the manual. It may not be used for purposes other than those
for which it has been designed, or differently from those specified in this manual.
The various operations must be carried out according to the criteria and the chronology described in this manual.
2.2 Definitions of “Skilled Technician” and “Operator”
2.2.1 Skilled Technician
The professional that will carry out the installation, start up and ordinary maintenance is called “Skilled Technician”.
This definition refers to people qualified by LEGRAND who have the specific technical qualification and are aware of the
method of installing, assembling, repairing, bringing online and using the equipment safely.
In addition to the requirements listed in the paragraph below for a general operator, the Skilled Technician is qualified
according to national safety standards to work under dangerous electrical voltage and uses the personal protective
equipment required by national safety standards for all the operations indicated in this manual (see the examples listed
in paragraph 2.3).
INDICATION
The safety manager is responsible for protection and company risks prevention according to what is indicated in European
directives 2007/30/EC and 89/391/EEC regarding safety in the workplace.
The safety manager must ensure that all the people working on the equipment have received all the instructions
concerning them in the manual, especially those contained in this chapter.
2.2.2 Operator
The professional assigned to the equipment for normal use is called “Operator”.
This definition refers to people who know how to operate the equipment defined in the user manual and have the fol-
lowing requisites:
- technical education, which enables them to operate according to safety standards in relation to the dangers linked to
the presence of electric current;
- training on the use of personal protective equipment and basic first aid interventions.
The company safety manager, in choosing the person (operator) who uses the equipment, must consider
- the person’s work fitness according to the laws in force;
- the physical aspect (not disabled in any way);
- the psychological aspect (mental stability, sense of responsibility);
- the educational background, training and experience;
- the knowledge of the standards, regulations and measures for accident prevention.
He shall also provide training in such a way as to provide thorough knowledge of the equipment and its component parts.
Some typical activities the operator is expected to carry out are:
- the use of the equipment in its normal functioning state and the restore of the functioning after it shuts down;
- the adoption of the necessary provisions for maintaining the quality performance of the UPS;
- the cleaning the equipment;
- cooperation with personnel responsible for ordinary maintenance activities (skilled technicians).
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2. Regulatory and safety requirements
2.3 Personal Protective Equipment
DANGER
The UPS poses a considerable risk of electric shocks and a high short circuit current. During installation, use and
maintenance operations, the equipment mentioned in this section must be used.
People responsible for operating this equipment and/or passing close to it must not wear garments with flowing sleeves,
nor may laces, belts, bracelets or other metal pieces that might cause a danger.
The following list sum up the minimum Personal Protective Equipment to wear always.
Additional requirements may be needed according to national safety standards.
Anti-accident and no-spark shoes
with rubber sole and reinforced toe
Protective gloves for handling operations
Isolated rubber gloves for operations of connection
and work under hazardous voltage
PProtective garments for electrical work
Protective face and head shield
Isolated tools
INDICATION
The skilled technician must work on electrical insulated carpet and he must not wear any kind of metal objects like
watches, bracelets, etc.
2.4 Hazard signs in the workplace
The following signs must be exhibited at all points of access to the room where the equipment is installed:
Electric current
This sign indicates the electrical live parts.
How to proceed in an emergency
Do not use water to quench res but just the extinguishers specially designed for putting out res in electrical
equipment.
No smoking
This sign This sign indicates that smoking is not allowed.
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Installation and maintenance manual
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2.5 Signs on the equipment
Displayed on the UPS are explanatory plates that can vary depending on the country the equipment is intended for and
constructional standards applied.
Make sure the instructions are adhered to. Removing these plates and working in a way that differs from what written
there, is strictly prohibited.
The plates must always be clearly read, and they must be cleaned periodically.
If a plate deteriorates and/or it is no longer legible, even partially, the Manufacturer must be contacted for another one.
CAUTION
The plates must not be removed or covered. No other plates may be affixed to the equipment without the Manufacturer’s
prior written authorisation
WARNING
Potential risks can be drastically reduced by wearing the Personal Protective Equipment listed in this chapter, which are
indispensable. Always operate with due care around dangerous areas marked by the appropriate warning notices on the
equipment.
2.6 General warnings
DANGER
The UPS works with dangerous voltages. Only skilled technicians qualified and authorized by LEGRAND must perform the
installation and ordinary maintenance operations. No part of the UPS can be repaired by the operator.
Extraordinary maintenance operations must be carried out by LEGRAND Technical Support Service personnel.
DANGER
Before beginning any installation and/or maintenance operation, make sure that all the DC and AC power sources are
disconnected.
The UPS and the external battery cabinet, if present, must be installed with an earth connection to avoid high leakage
currents. First connect the earthing cable.
Check during each installation and/or maintenance operation the continuity of the earthing system.
DANGER
The UPS is powered by its own DC energy source (batteries). The output terminals may have a dangerous voltage even if
the UPS is not connected to the AC power network.
Disconnect all batteries before performing any installation and/or maintenance operation
WARNING
A battery can present a risk of electrical shock and burns by high short-circuit circuit current. Failed batteries can reach
temperatures that exceed the burn thresholds for touchable surfaces. The following precautions should be observed
when working on batteries:
a) remove watches, rings or other metal objects.
b) use tools with insulated handles.
c) wear rubber gloves and boots.
d) do not lay tools or metal parts on top of batteries.
e) disconnect the charging source prior to connecting or disconnecting battery terminals.
f) determine if battery is inadvertently grounded. If inadvertently grounded, remove source from ground.
Contact with any part of a grounded battery can result in electrical shock. The likelihood of such shock can be reduced if
such grounds are removed during installation and maintenance (applicable to equipment and remote battery supplies
not having a grounded supply circuit).
g) never leave live cable terminals without an insulated protection.
h) When replacing batteries, replace with the same type and number of batteries or battery packs. There
is the risk of explosion if batteries are replaced by an incorrect type.
Do not dispose of batteries in a fire. The batteries may explode.
Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes. It may be toxic. The batteries
installed inside the cabinet must be disposed of correctly. For the disposal requirements refer to local laws and relevant
standards.
12
INDICATION
The UPS functions with TT, TN-C and TN-S systems. Input/Bypass and output neutral are not referenced to the same
neutral potential.
For TN-C systems, it is necessary to bridge together the input, bypass and output neutral on the terminals during the
installation.
CAUTION
Do not open the battery breakers while the UPS is powering the loads in battery mode.
WARNING
To reduce the risk of fire or electric shock, the UPS must work in closed, clean environments with controlled temperature
and humidity. It must be kept away from inflammable liquids and corrosive substances. The room temperature must not
be above +40°C (+104°F) and the relative humidity must be a maximum of 95% not condensing.
CAUTION
Keor Compact 10 kVA is a category C2 UPS product. In a residential environment, this product may cause radio interference,
in which case the user may be required to take additional measures.
All the other models of Keor Compact are products for commercial and industrial application in the second environment
- installation restrictions or additional measures may be needed to prevent disturbances.
CAUTION
- The equipment must be maintained and used according to the instructions of this manual.
- The departmental manager must instruct the operating and maintenance personnel on the safe use and maintenance
of the equipment.
- Only specifically trained, highly skilled personnel are allowed access to the equipment in order to perform maintenance.
While the maintenance operation is being carried out, signs saying “Maintenance work in progress” must be affixed in
the department in such a way that they can be easily seen from any access area.
- Any intervention on the equipment must be done only after it has been disconnected from the power supply network
by means of a switch disconnector and must be locked with an appropriate padlock.
- The UPS must not be turned on if liquid is leaking from the batteries.
- The equipment used for any maintenance operations (pliers, screwdrivers etc.) must be electrically insulated.
- Depositing flammable material near the equipment is strictly forbidden. The equipment should always be locked, and
only specifically trained personnel are allowed access to it.
- Do not disable any safety, notification or warning device and do not ignore any alarm, warning message or notice, no
matter whether they are generated automatically or represented by plates fixed to the equipment.
- Do not run the equipment with fixed protections not installed (panels etc.).
- In case of breaking, buckling or malfunctioning of the equipment or parts of it, repair or replace immediately.
- For no reason can the structure of the equipment, the devices mounted on it, the operation sequence etc., be modified,
manipulated or tampered with in any way, without prior consultation with the Manufacturer.
- When replacing fuses, only use ones of the same type.
- The replacement of the batteries is an operation intended to be carried out by a skilled technician.
- Keep a register in which to enter the date, time, type, performer’s name and any other useful information about each
and any routine and extraordinary maintenance operation.
- Do not use oils or chemical products for cleaning because they could scratch, corrode or damage certain parts of the
equipment.
- The equipment and workplace must be kept completely clean.
- Upon completion of the maintenance operations, before connecting the power supply, carefully check that no tools
and/or material of any kind have been left next to the equipment.
2. Regulatory and safety requirements
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Installation and maintenance manual
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2.7 How to proceed in an emergency
The following information are general.
For the specific interventions consult the regulations in force in the country where the equipment is installed.
2.7.1 First-aid procedures
When administering first aid, adhere to the company rules and the usual procedures.
2.7.2 Fire procedures
Do not use water to quench fires but just the extinguishers specially designed for putting out fires on electrical equipment.
14
3. Transportation and placement
3.1 Visual check
On delivery of the UPS, carefully inspect the packaging and the equipment for any damage that might have occurred
during transport. Check there is no damage to the indicator on the outer label reading “Shock Watch”.
If there is possible or ascertained damage, immediately inform:
- the transporter;
- the LEGRAND Technical Support Service.
Check that the equipment corresponds with the items indicated in the delivery documentation.
If the UPS must be stored, follow the instructions of Chapter 7.
3.2 Equipment check
The equipment and the relative supplied accessories must be in perfect conditions.
Check that:
- the shipping data (address of the recipient, no. of packages, order no, etc.) correspond to what is contained in the
delivery documentation;
- the technical rating plate data on the label applied to the UPS correspond with the material described in the delivery
documentation;
- the documentation accompanying the equipment includes the installation and user manuals.
In case of discrepancy, immediately inform the LEGRAND Technical Support Service before commissioning the equipment.
INDICATION
The installation manual must be used and consulted only by skilled technicians.
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Installation and maintenance manual
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3.3 Unpacking
To remove the packaging material, comply with the following procedure:
- bring the UPS to the installation site using a forklift and/or a transpallet with suitable characteristics;
- remove the packaging material, cut straps and cardboards protecting the UPS;
- unscrew the fastening rail kits on the right and left side;
- put two fastening rail kits on the pallet edge and make them steady by fastening four screws in the pallet;
......................
16
- remove the UPS from the pallet;
- block the wheel-brakes to fix the UPS;
- raise the wheel-brakes to move the UPS;
3. Transportation and placement
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Installation and maintenance manual
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- follow this last step for the final positioning of the UPS;
3.4 Movement
WARNING
The UPS must be placed and stand in a vertical position throughout the transportation. It shall also be packed properly.
Move the UPS very carefully, lifting it as little as possible and avoiding dangerous swings or falls.
Follow always the directions indicated in the symbols present on the packaging. The equipment must always be handled
by trained and instructed personnel. Comply with the safety regulations in force in your country relative to the usage of
lifting equipment and/or accessories.
The Keor Compact UPS has six wheels at the bottom of the cabinet. Before installations and while it is still empty, it can be
moved by hand by at least two people.
For any lifting, use a forklift or a transpallet with an adequate carrying capacity, placing the forks in the specific spaces of
the base and making sure they come out on the other side by at least twenty centimetres.
CAUTION
Do not move the UPS after the installation
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3.5 Positioning constraints
The UPS must be positioned respecting the following conditions:
- keep at least 1000 mm of free space in front of the UPS for air flow and future maintenance purposes;
- keep at least 300 mm of free space in rear of the UPS for air-flow space;
- keep at least 300 mm of free space in the top of UPS for maintenance operations;
- temperature and humidity must be within permitted limits;
- fire regulations must be respected;
- the wiring must be simply made;
- front and rear accessibility must be available for assistance or periodic servicing;
- the cooling flow of air must be guaranteed;
- the air conditioning system must be adequately sized;
- dust, corrosive and explosive atmospheres must be absent;
- the installation site must be free of vibration;
- the support surface must be sized for the weight necessary to support the equipment.
To safeguard the batteries as well as possible it is necessary to bear in mind that their average lifetime is strongly influenced
by the operating room temperature.
Position the UPS in an environment with a temperature range between +20°C (+68°F) and +25°C (+77°F) to guarantee the
optimum life of the batteries.
Before proceeding with the installation operations, make sure that there is enough lighting to clearly see every detail.
Provide artificial lighting if the natural lighting does not satisfy this requirement.
In case of maintenance operations in places that are not sufficiently well lit, portable lighting systems must be used,
avoiding shadows that prevent or reduce visibility on the point where you intend to work or on the surrounding areas.
3. Transportation and placement
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Installation and maintenance manual
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4. Installation
DANGER
All UPS installation operations must be carried out exclusively by a SKILLED TECHNICIAN (paragraph 2.2.1).
4.1 Safety regulations
DANGER
Before carrying out any installation operation you must read and apply the following:
- The UPS has a high leakage current. The earthing connection must be connected before cabling the UPS input. The
switchgear must have a safe connection with the earthing and an adequate protection as required by the installation
standards.
- The UPS must only be installed in a fixed way with a thermal-magnetic circuit breaker placed upstream of it. Connection
to the mains via traditional type plug is not allowed.
- The switchgear or the disconnector switch must be installed near the equipment and must be easily accessible.
- Do not carry out the installation in presence of water or humidity.
- Open only the UPS panels necessary for the electrical connections. After that, close and fix them.
- Check there is no mains voltage on the equipment.
- Check that the loads are off and disconnected from the UPS.
- Check that the UPS is OFF, and no voltage is present.
- Check that the fuse breakers on the external battery cabinets (if present) are open.
- Check that the mains input voltage and frequency correspond with the values indicated in the technical data on the
UPS rating plate.
- Check that the earthing has been carried out in compliance with IEC (International Electrotechnical Commission)
standards or local regulations.
- Check that the electrical system has been fitted with the necessary differential and thermal-magnetic protections
upstream of the UPS.
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4.2 Views
4.2.1 Rear View
4. Installation
1. Communication Slot 1
2. Communication Slot 2
3. Dry Contacts
4. External Battery Temperature Connector
5. RS-232 Port for Setting Software
6. Parallel Communication Ports (Option)
7. Communication Selector for Service Only
8. USB Port for Service Only
9. Terminal Resistor Setting Switch for
Parallel Communication
10. Status LED Indictors
11. EPO
12. Backfeed Protection
13. MBP Detector
14. Manual Bypass Breaker
15. Bypass Input Breaker
16. Mains Input Breaker
17. Battery Breaker
18. AC Working Power
19. Batt. Start
20. Batt. Working Power
21. Output Breaker
22. X10/X40: Mains/Bypass Input Connections Terminal
(1N, 2N, 1L3, 2L3, 1L2, 2L2, 1L1, 2L1)
23. X50: Output Connection Terminals
(3N, 3L3, 3L2, 3L1)
24. X20: External Battery Connection Terminals
(B-, B_N, B+)
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Installation and maintenance manual
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4.2.2 Internal Right View
1. Battery Tray
4.2.3 Internal Top View
1. SD Card Slot
2. Jumpers (J1~J3) for each output contact
1
1
2
22
4.3 Electrical connections
The electrical hook-up of the UPS to the switchgear or to the external battery cabinets is part of the installation that
is not normally performed by the UPS manufacturer. For this reason, the indications that follow are to be considered
approximate and it is recommended that the electrical connections are based on local installation standards.
After removing the UPS from the packaging and positioning it in its definitive place, the skilled technician can begin to
make the electrical connections.
WARNING
The choice of cables type and their cross sections depending on the rated current and their installations must be made as
indicated by the local installation standards and it is a responsibility of the skilled technician.
The input current and the output power of the UPS are indicated in chapter 10 and the battery current in table 4 of
chapter 11.
INDICATION
Chapter 11 includes tables with the recommended cables, fuses, automatic and differential breakers.
The drawing below shows the position of the power terminals.
4. Installation
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Installation and maintenance manual
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If the UPS is installed in a TN-C system, it is necessary to connect together the input, bypass and output neutral on
the terminals during the installation as shown in the following picture. For the connecting cable between X40-2N and
X50-3N, use a cable with a maximum cross section of 10 mm2 to be terminated together with the neutral cable with a
tube terminal.
4.3.1 Protective devices
To ensure proper protection from overloads or output short-circuits and from electrical shocks, it is necessary to install
adequate automatic residual-current and thermal-magnetic breakers upstream of the UPS on the input line and on the
bypass line (if separate).
They must be selected according to the indications in the tables shown in chapter 11.
To ensure adequate protection of the UPS electronics, it is necessary to install upstream of the UPS, on the input line (if
the bypass line is common) or only on the bypass line (if separate from the input line), adequate fuses according to the
indications given in Table 5 in Chapter 11.
4.3.2 Earthing connection
Before carrying out any other installation operation, connect the earthing wiring coming from the low voltage switchgear
to the PE terminal.
The minimum cross-sectional area of the earthing conductor must be chosen according to the following criteria:
- if the cross-sectional area S of the phase conductors is S ≤ 16 mm2, the minimum cross-sectional area of the earthing
conductor must be the same as the phase conductors;
- if the cross-sectional area S of the phase conductors is 16 mm2 < S ≤ 35 mm2, the minimum cross-sectional area of the
earthing conductor must be16 mm2;
- if the cross-sectional area S of the phase conductors is S > 35 mm2, the minimum cross-sectional area of the earthing
conductor must be S/2 mm2.
24
4.3.3 Internal battery installation
4.3.3.1 Keor Compact 20 kVA
40 PCS
4. Installation
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Installation and maintenance manual
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4.3.3.2 Keor Compact 15 kVA
36 PCS
26
4.3.3.3 Keor Compact 10 kVA
30 PCS
4. Installation
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Installation and maintenance manual
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4.3.4 Internal battery installation
The electrical configuration must be done on the distribution terminal strip.
WARNING
Always check that the connection jumper screws are tightened properly.
4.3.4.1 Factory configuration: THREE PHASE input – THREE PHASE output with common bypass input line
The UPS default configuration is set in the factory according to the following diagram.
To use this configuration, no further action is necessary; it is however recommended that a check is made of the correct
configuration of the connection jumper.
4.3.4.2 THREE PHASE input - THREE PHASE output connection with separate bypass input line
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4.3.5 Input cables installation
The installation must be done according to the following steps:
- check that the available mains power is at least the same of the UPS nominal power;
- check that the cables to connect to the UPS are isolated upstream and no voltage is present;
- check that the earthing cable from the low voltage switchgear is properly connected (see paragraph 4.3.2);
- connect the input neutral cable of the input line to the X10 – 1N terminal;
- connect the cables L1, L2, L3 of the input line to the terminals X10 – 1L1, X10 – 1L2, X10 – 1L3, being careful to observe
the phase sequence (L1, L2, L3).
WARNING
The neutral input cable must always be connected.
4.3.6 Bypass cables installation
The default configuration for the is bypass line in common with the input line.
To perform a dual input installation with a separate bypass line, the following requirements must be met:
- the two lines must be supplied by the same MV/LV transformer source (same electrical potential). If this is not the case,
an insulation transformer should be added in the bypass line upstream the UPS;
- separate protective devices are required for each line.
The UPS does not modify the neutral configuration of the system. The mains, bypass and output neutral are connected
internally to each other.
If there is the need to have a separate bypass line, the installation must be done according to the following steps:
- check that the available bypass power is at least the same of the UPS nominal power;
- check that the cables to connect to the UPS are isolated upstream and no voltage is present;
- check that the earthing cable from the low voltage switchgear is properly connected (see paragraph 4.3.2);
- connect the bypass neutral cable of the bypass line to the X40 – 2N terminal;
- remove the three jumpers linking terminals X10 – 1L1 with X40 – 2L1, X10 – 1L2 with X40 – 2L2 and X10 – 1L3 with X40
– 2L3;
- connect the cables L1, L2, L3 of the bypass line to the terminals X40 – 2L1, X40 – 2L2, X40 – 2L3, being careful to observe
the phase sequence (L1, L2, L3).
WARNING
The neutral bypass cable must always be connected.
4. Installation
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Installation and maintenance manual
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4.3.7 Output cables installation
The installation must be done according to the following steps:
- check that the nominal power of the UPS is at least the same of the nominal power of the load;
- check that the cables to connect to the UPS are isolated upstream and no voltage is present;
- check that the earthing cable from the low voltage switchgear is properly connected (see paragraph 4.3.2);
- connect the neutral cable of the output line to the X50 – 3N terminal;
- connect the cables L1, L2, L3 of the output line to the terminals X50 – 3L1, X50 – 3L2, X50 – 3L3, being careful to observe
the phase sequence (L1, L2, L3).
INDICATION
Provide a separate switchgear for the load. The following information must be indicated on the system switchgear by
means of stickers or similar:
- maximum nominal power of the total load;
- maximum nominal power of the load at the load outlets;
- if a common switchgear is used (mains and UPS power outlets), make sure that there is an indication of the power source
on every power outlet (“Mains” or “UPS”).
WARNING
The neutral bypass cable must always be connected.
4.3.8 Battery cables installation for external battery cabinets
If there are external battery cabinets, follow the instructions in the installation manual of the external battery cabinets
and perform the installation according to the following steps:
- Make sure all battery breakers are open;
- check that the cables for connecting the UPS are insulated upstream and that there is no voltage;
- check that the grounding cable of the low voltage cabinet is correctly connected (see paragraph 4.2.3);
- connect the positive cables of the battery cabinets to terminal X20 - B+ ;
- connect the negative cables of the battery cabinets to terminal X20 - B-;
- connect the neutral cables of the battery cabinets to terminal X20 - B_N.
30
4.4 Parallel connections
The UPS can be operated in parallel to extend the capacity and to enhance the system reliability. Up to 6 UPS units can
be operated in parallel.
Ensure this for a correct parallel connection:
- each UPS must be equipped with the parallel card;
- the size and length of the input and output cables must be identical for all UPS units;
- the phase rotation must be the same for each UPS unit;
- it is recommended to use an external bypass cabinet to facilitate maintenance and system testing for parallel operation
system;
- parallel communication cables are requested to connect the UPS units to each other.
- the parallel communication cables must be connected in a ring topology, and the maximum total length of the parallel
communication cables must be less than 38 meters. To ensure good communication quality you must set the Switch &
SW3 of the two farthest UPS to the “ON” position as shown below.
4. Installation
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Installation and maintenance manual
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The parallel communications cable must be plugged as shown below.
32
4.5 Communication devices
• Dry Contacts
The UPS provides 3 output dry contacts and1 input contact.
Specification of Output dry contacts 250 Vac/2 A; 30 Vdc/2 A
There are 3 jumpers (J1~J3) to set NC/NO for each output contact. Jumper (J1~J3) are displayed in Internal Top View (see
paragraph 4.2.3).
Short/circuit the input contact to send a command to the UPS.
4. Installation
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• Communication Slot1
This slot can install relay card or RS-485 MODBUS card.
• Communication Slot2
This slot can install Relay card or SNMP card. Ensure the SW2 switch to correct position when this slot is used.
• Batt. Temp.
Connect to external battery temperature sensor.
• RS-232
2 - TX (OUT)
3 - RX (IN)
5 - Ground
Baud Rate 57600bps
Data Length 8 bits
Stop Bit 1 bit
Parity None
This port is available to change the settings of the UPS by software.
• Paral-1 and Paral-2
Parallel communication ports. Specific cables are required to connect the UPS units to each other to operate in parallel
mode (see paragraph 4.5).
• H↔U - communication selector
This switch is to select HMI or USB port. Ensure the switch is on “H” position for ensure HMI port is workable.
• USB
This port is for service only.
• Switch
It is used as a terminal resistor for parallel communication. To ensure good parallel communication quality, set the switch
of the two farthest UPS to the “ON” position (see paragraph 4.5).
• LED Status Indictors
Normal: The UPS is normal.
Alarm: The UPS has some abnormal conditions.
• EPO - Emergency Power Off
The EPO contact allows to turn off the UPS in case of emergency.
34
• Backfeed Trip
The UPS provide a backfeed protection contact to trip the external electromechanical device for isolation from the power
circuit. The backfeed protection is for ensuring personnel safety against any risk of accidental energy return to the input
circuit. It imposes the automatic opening of a switching device in case of a malfunction of the static switch.
• MBP Det.
In case an external manual bypass switch has been installed with the UPS system, this detector should be connected to
the auxiliary of external manual bypass switch.
There are two switches visible in the Internal Top View:
• SW2
When Relay card is installed on Slot2, switch to “Slot” position.
When SNMP card is installed on Slot2, switch to “SNMP” position.
• SW3
To ensure good parallel communication quality, set the switch of the two farthest UPS to the “ON” position.
4. Installation
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Installation and maintenance manual
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DANGER
All the configurations and start-up operations must be carried out exclusively by a SKILLED TECHNICIAN (paragraph 2.2.1).
5.1 Pre-start-up checks
Before powering the equipment, carry out the following checks:
1. Close all the distribution panels on the UPS cabinet.
2. Check that the mains input disconnector is open (OFF position).
3. Check that the bypass input disconnector is open (OFF position).
4. Check that the output disconnector is open (OFF position).
5. Check that the battery disconnectors of the external battery cabinets are open.
6. Check that that the maintenance switch is open (OFF position).
7. Check that all UPS switches on the rear are turned OFF.
8. Check that the input, bypass and output wiring has been done and that all the connections have been tightened up
properly.
9. Check the correct phase sequence of the input and bypass line (if separate).
10. Check that the parameters (voltage and frequency) of the mains input are compatible with those shown on the UPS
rating plate.
5.2 Start-up procedures
• AC Power
This is the auxiliary power switch needed to turn ON the UPS in normal mode.
Do not turn OFF the switch while the UPS is working.
• Batt. Start
This button is needed only for the cold start-up (see paragraph 5.2.2).
• Batt. Power
This switch is needed only for the cold start-up (see paragraph 5.2.2).
5. Conguration and Starting-up
36
5.2.1 Start-up in normal mode
In Normal mode, grid power is passed through rectifier then used to charge the battery and provide power through the
Inverter simultaneously.
Different output voltages settings can be set. The three options are 380/220V, 400/230V and 415/240V. These can be fine-
tuned by ±8V.
1- In the rear of UPS, turn ON the AC Power switch.
2- Close the UPS Mains Input and Bypass Input Switches.
3- Check that the parameters in the configuration setting of the UPS correspond to the UPS installation (see paragraph 5.4.3)
4- Select <Home> → <Command> → <Operation> → <Normal Mode> on the LCD panel.
5- Return to the Mimic Display and wait for the start of the rectifier.
6- Close the battery breakers only after the rectifier has been turned on.
5. Conguration and Starting-up
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Installation and maintenance manual
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7- The inverter will be started and supply output voltage.
8- Close the UPS Output Switch to supply the power to the load.
5.2.2 Cold start
1- Close the battery breakers.
2- Turn ON the Batt. Power switch in the rear of UPS.
3- In the rear of UPS, push and hold down the button Batt. Start at least for seven seconds.
4- Select <Home> → <Command> → <Operation> → <ColdStart Precharge Ready>→ <Normal Mode> on the LCD
panel.
If you want switch to normal mode operation, apply the procedure of the previous paragraph.
Once the UPS is working in normal mode, turn OFF the Batt. Power switch in the rear of the UPS.
5.2.3 Start-up in Eco mode
This mode effectively improves the overall efficiency. Grid power is routed through the Static Switch to the load. At the
same time, grid power continues to charge the battery in DC/DC mode through the rectifier. The Inverter is also kept
ready to switch power supply modes at any time.
Select <Home> → <Command> → <Operation> → <Eco mode> on the LCD panel.
5.2.4 Start-up in Converter mode
Converter mode allows the user to provide a power supply with constant voltage and constant frequency based on
their power requirements. The frequency can be set to 50Hz or 60Hz. The voltage options are 380/220V, 400/230V and
415/240V. These can be fine-tuned by ±8V.
Select <Home> → <Command> → <Operation> → <Converter mode> on the LCD panel.
38
6. Maintenance
DANGER
INSTALLATION and ORDINARY MAINTENANCE operations must be carried out only by SKILLED TECHNICIANS
(paragraph 2.2.1).
EXTRAORDINARY MAINTENANCE operations must be carried out only by LEGRAND TECHNICAL SUPPORT SERVICE.
LEGRAND declines all liability for any injury or damage caused by activities carried out differently from the instructions
written in this manual.
6.1 Preventive maintenance
The UPS does not contain parts for preventative maintenance by the operator.
The operator must regularly perform:
- a general external cleaning;
- a check to verify there is no alarm indication on the display;
- a check to verify the correct functioning of the ventilating fans.
6.2 Periodical checks
The correct functioning of the UPS must be guaranteed by periodical maintenance inspections. These are essential to
safeguard the reliability of the equipment.
These inspections should also be made to determine if components, wiring, and connections exhibit evidence of
overheating.
During a maintenance inspection, the skilled technician must carry out the following checks:
- no alarm presence;
- list of the memorised events;
- correct function of the static and maintenance bypass;
- integrity of the electrical installation;
- flow of cold air;
- battery status;
- characteristics of the applied load;
- conditions of the installation location.
Contact the LEGRAND Technical Support Service in case of problems.
WARNING
The periodical checks involve operations inside the UPS in presence of dangerous voltages. Only maintenance personnel
trained by LEGRAND are authorized to intervene.
UPS Keor Compact
Installation and maintenance manual
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6.3 Ordinary maintenance
In case of failure, the display area on the control panel will highlight the problem area in red. The “Alarm” symbol will
also blink to warn that there is a problem with the UPS. Click to have an alarm list as the below picture.
It is recommended to export the event log and the UPS information from LCD panel to the SD card.
To ensure this, follow these steps:
1. Make sure the SD card has been inserted on the LCD panel.
2. On LCD, select Event Log.
3. Before the export, refresh the log on the LCD panel.
4. After all log has been showed, touch again for 2 seconds.
5. The LCD panel will show “ Export ? “. Then select “ Enter “.
6. The event log and machine information will be saved on SD card named
xxxx_KN_xx_IDx_xxxxxx_Log.txt and xxxx_KN_xx_IDx_xxxxxx_Inf.mch.
Send these files to LEGRAND Technical Support Service.
6.4 Extraordinary maintenance
Contact the LEGRAND Technical Support Service if there are failures that require the access to internal parts of the UPS.
40
DANGER
All storage operations must be carried out only by a SKILLED TECHNICIAN (paragraph 2.2.1)
DANGER
A SKILLED TECHNICIAN must check that there is no voltage present before disconnecting the cables. All the
battery isolator switches on the UPS and on the external battery cabinets must be open.
7.1 UPS
The UPS must be stored in an environment with a room temperature between -20°C (-4°F) and +50°C (+122°F) and
humidity less than 90% (not condensing).
7.2 Batteries
It is possible to store batteries without recharging them in the following conditions:
- up to 6 months if the temperature is between +20°C (+68°F) and +30°C (+86°F);
- up to 3 months if the temperature is between +30°C (+86°F) and +40°C (+104°F);
- up to 2 months if the temperature is over +40°C (+104°F).
CAUTION
Batteries must never be stored if partially or totally discharged.
LEGRAND is not liable for any damage or bad functioning caused to the UPS by wrong warehousing of the batteries.
7. Warehousing
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Installation and maintenance manual
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DANGER
Dismantling and disposal operations must be carried out only by a SKILLED TECHNICIAN (paragraph 2.2.1).
The instructions in this chapter are to be considered indicative: in every country there are dierent regulations
regarding the disposal of electronic or hazardous waste such as batteries. It is necessary to strictly adhere to the
standards in force in the country where the equipment is used.
Do not throw any component of the equipment in the ordinary rubbish.
8.1 Battery disposal
Batteries must be disposed of in a site intended for the recovery of toxic waste. Disposal in the traditional rubbish is not
allowed.
Apply to the competent agencies in your countries for the proper procedure.
Pb
WARNING
A battery may constitute a risk of electric shock and high short-circuit current.
When working on batteries, the prescriptions indicated in chapter 2 must be adhered to.
8.2 UPS dismantling
The dismantling of the UPS must occur after the dismantling of the various parts it consists of.
For the dismantling operations, it is necessary to wear the Personal Protective Equipment mentioned in paragraph 2.3.
Sub-divide the components separating the metal from the plastic, from the copper and so on according to the type of
selective waste disposal in the country where the equipment is dismantled.
If the dismantled components must be stored before their disposal, be careful to keep them in a safe place protected from
atmospheric agents to avoid soil and groundwater contamination.
8.3 Electronic component dismantling
For the disposal of electronic waste, it is necessary to refer to the relevant standards.
This symbol indicates that in order to prevent any negative effects on the environment and on people,
this product should be disposed of separately from other household waste, by taking it to authorised
collection centres, in accordance with the EU countries local waste disposal legislations. Disposing of the
product without following local regulations may be punished by law. It is recommended to check that this
equipment subject to WEEE legislations in the country where it is used.
8. Dismantling
42
9. Mechanical characteristics
UPS Keor Compact
Installation and maintenance manual
43
44
Main features
3 111 00
3 111 01
Keor Compact 10
3 111 02
3 111 03
Keor Compact 15
3 111 04
3 111 05
Keor Compact 20
Nominal Power
(kVA) 10 15 20
Active Power
(kW) 9 13,5 18
Technology online, double conversion
VFI-SS-111 (EN62040-3)
IN/OUT
conguration Three-phase / Three-phase
Dual Input available
Architecture Stand-alone or Distributed Parallel up to 6 units
Wave form during
operation in normal/
battery mode
Pure sine wave
Bypass Automatic (static and electromechanical)
Manual (for maintenance)
Input electrical characteristics
3 111 00
3 111 01
Keor Compact 10
3 111 02
3 111 03
Keor Compact 15
3 111 04
3 111 05
Keor Compact 20
Maximum input
current
(A)
17.4 25.6 34.4
Input voltage
(V)
400 ± 20% at full load
400 - 40% ~ -20% at half load
(3F+N+PE)
Input frequency
(Hz) 40 ~ 70
Input Power Factor > 0.99
Total harmonic
distortion of the input
current
THDi < 3% (at full load)
Compatibility with
Diesel Generators available
10. Technical data
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Installation and maintenance manual
45
Output electrical characteristics
3 111 00
3 111 01
Keor Compact 10
3 111 02
3 111 03
Keor Compact 15
3 111 04
3 111 05
Keor Compact 20
Maximum output
current
(A)
15.2 22.8 30.4
Output voltage
(V)
380/400/415 ± 1% (with static load)
(3F+N+PE)
Output frequency
(Hz) 50 / 60
Range of the output
frequency ± 0.01 % (free running)
Power Factor 0.9
Crest factor admitted
on the output current 3:1
Total harmonic
distortion of the
output voltage
THDv < 2% (at full linear load)
THDv < 5% (at full non-linear load)
Eciency in Normal
Mode
(AC/AC online)
Up to 95%
Eciency in
Eco Mode Up to 98.5%
Overload capacity
110% for 60 minutes
125% for 10 minutes
150% for 1minutes
<105% overload continuously without alarm
>= 105% <110% continuously with alarm
Bypass electrical characteristics
3 111 00
3 111 01
Keor Compact 10
3 111 02
3 111 03
Keor Compact 15
3 111 04
3 111 05
Keor Compact 20
Bypass voltage
(V)
380/400/415 ± 10% (adjustable ± 5% ~ ± 15%)
(3F+N+PE)
Bypass frequency
(Hz) 50 / 60
Range of the
bypass frequency ± 1 / ± 3 (selectable)
46
Batteries and Battery Charger Characteristics
3 111 00
3 111 01
Keor Compact 10
3 111 02
3 111 03
Keor Compact 15
3 111 04
3 111 05
Keor Compact 20
Battery type VRLA 12V
Number of internal
batteries installed 30 – 9Ah (3 111 01) 36 – 9Ah (3 111 03) 40 – 9Ah (3 111 05)
Cold start available
Charging current
(A)
3.5 at 100% load
7.0 at 80% load*
10 at 60% load*
5 at 100% load
10 at 80% load*
15 at 60% load*
7 at 100% load
14 at 80% load*
21 at 60% load*
(*) enabling by SW
Features
3 111 00
3 111 01
Keor Compact 10
3 111 02
3 111 03
Keor Compact 15
3 111 04
3 111 05
Keor Compact 20
Display 4.3" Colorful LCD Touch Screen
Communication ports
RS232 port
dry contacts
2 Communication Slots for SNMP Card (optional)
RS-485 MODBUS Card (optional)
Programmable Dry Contact Card (optional)
Protections
Backfeed protection embedded
Emergency Power O (EPO)
Electronic against overloads, short-circuit and excessive battery discharge
Mechanical characteristics
3 111 00
3 111 01
Keor Compact 10
3 111 02
3 111 03
Keor Compact 15
3 111 04
3 111 05
Keor Compact 20
Dimensions
W x D x H
(mm)
260 x 850 x 890
Color RAL9017 (Black-cabinet)
RAL9003 (White-control panel)
Ventilation Forced with FANs from front to rear
Transport Packaging Carton Box on Pallet
Net weight with
batteries
(kg)
149 166 176
Net weight without
batteries (*)
(kg)
74 (*) 76 (*) 76 (*)
10. Technical data
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Installation and maintenance manual
47
Environmental conditions
3 111 00
3 111 01
Keor Compact 10
3 111 02
3 111 03
Keor Compact 15
3 111 04
3 111 05
Keor Compact 20
Operating temperature
(°C)
0 ÷ +40
(+20 ÷ +25 recommended for longer battery life)
Relative humidity
during operation 20% ÷ 95% non-condensing
Storage temperature
(°C) -20 ÷ +70 (excluding batteries)
Noise level at 1 meter
(dBA) < 52
Ingress Protection
Marking IP 20
Operating height up to 1000 meters above sea level without derating
(power derate -1% every additional 100 meters)
Heat dissipation with
full load and battery in
recharge
(W)
600 900 1300
Reference directives and standards
Marks CE, EAC, CMIM, UKCA
Safety 2014/35/EU Directive
EN 62040-1
EMC 2014/30/EU Directive
EN 62040-2
Performance and test
requirements EN 62040-3
48
11. Tables
CAUTION
TThe choice of the type and section of the power cables must be done according to the voltage and rated current as well
as the local wiring standards and regulations. It is a responsibility of the installation engineer.
The input current and the output power of the UPS are indicated in chapter 10 and the battery current in table 4 of this
chapter.
The following tables give an indication of the wire cross sections to use if the wires are unipolar with simple PVC installation
and installation in tube in the air.
TABLE 1
Minimum wire cross sections recommended for Keor Compact UPS
POWER INPUT CABLE BYPASS CABLE OUTPUT CABLE
10 kVA 1 x 4 mm2 per pole 1 x 4 mm per pole 1 x 4 mm per pole
15 kVA 1 x 6 mm2 per pole 1 x 6 mm per pole 1 x 6 mm per pole
20 kVA 1 x 10 mm2 per pole 1 x 6 mm per pole 1 x 6 mm per pole
The recommended maximum length of cabling is less than 10 meters.
Over-size the neutral line N by 1.7 times of the phase line for non-linear loads.
TABLE 2
Automatic breaker recommended for input and bypass line
POWER AUTOMATIC CIRCUIT BREAKER
10 kVA IN=20 A curve C
Icp=10kA
15 kVA IN=25 A curve C
Icp=10kA
20 kVA IN=40 A curve C
Icp=10kA
Curve D breaker is recommended for motor loads with high starting currents.
UPS Keor Compact
Installation and maintenance manual
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TABLE 3
Residual current breaker recommended for input and bypass line
POWER BATTERY FUSES
10 kVA
≥ 300 mA type B15 kVA
20 kVA
TABLE 4
Maximum battery current during discharge at full load and minimum wire cross sections recommended for
connecting the UPS to the external battery cabinets
POWER
MAXIMUM
BATTERY CURRENT
(32 battery blocks)
MINIMUM
WIRE CROSS SECTION
10 kVA 31 A 10 mm2 per pole
15 kVA 46.5 A 16 mm2 per pole
20 kVA 62 A 16 mm2 per pole
The recommended maximum length of cabling is less than 10 meters.
Over-size the neutral line N by 1.7 times of the phase line for non-linear loads.
TABLE 5
Recommended fuses to be installed on the bypass line to protect the UPS electronic
POWER BATTERY FUSES
10 kVA
Bussmann FWP-32A14F
or
Bussmann FWP-32A22F
15 kVA Bussmann FWP-50A14F
or
Bussmann FWP-50A22F
20 kVA
50
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Installation and maintenance manual
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LEGRAND
Pro and Consumer Service
BP 30076 - 87002
LIMOGES CEDEX FRANCE
www.legrand.com
Installer stamp
Legrand reserves at any time the right to modify the contents of this booklet and to communicate,
in any form and modality, the changes brought to the same.