Duplex 280i AC User manual

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DUPLEX 280i AC
DUPLEX 280i DC
FLOOR AND CARPET CLEANER
Use and maintenance manual
EN Translation of the original instructions Rev.
1.0

DUPLEX 280i
1.0
Rev.
Contents
1. PURPOSE AND CONTENT OF THE MANUAL _________ 5
1.1 Symbols ......................................................................................5
1.2 Purpose of the manual ..............................................................5
1.3 Conservation ..............................................................................6
1.4 Updating the manual..................................................................6
1.5 Confidentiality ............................................................................6
1.6 Recipients ...................................................................................6
2. GENERAL INFORMATION _________________________ 7
2.1 Manufacturer identification data...............................................7
2.2 Liability limitations.....................................................................7
2.3 Identification plate .....................................................................8
2.4 Reference standards and conformity: .....................................9
2.4.1 Declaration of conformity............................................................... 10
2.5 Warranty....................................................................................11
2.5.1 Forfeiture of the warranty............................................................... 11
3. GENERAL SAFETY INSTRUCTIONS ________________ 13
3.1 Residual risks...........................................................................13
3.2 General requirements ..............................................................14
3.3 Electrical hazards.....................................................................15
3.3.1 Power cord (DUPLEX 280i AC) ...................................................... 15
3.3.2 Lithium battery (DUPLEX 280i DC) ................................................15
3.4 Safety signs ..............................................................................17
3.5 Noise level ................................................................................18
3.6 Vibration level...........................................................................18
4. TECHNICAL CHARACTERISTICS __________________ 19
4.1 General description .................................................................19
4.1.1 Proper and improper use................................................................19
4.2 Description of the components ..............................................20
4.2.1 Technical data.................................................................................. 22
4.3 Brushes.....................................................................................23

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4.4 Lithium battery (DUPLEX 280i DC only).................................24
4.4.1 Storing for a long period of time....................................................25
4.5 Type of detergents ...................................................................26
5. ASSEMBLING THE APPLIANCE ___________________ 27
5.1 Packing contents .....................................................................28
5.2 Assembling the handle............................................................30
5.2.1 Disassembling the handle .............................................................. 30
5.3 Fitting the battery (DUPLEX 280i DC only) ............................31
6. OPERATION AND USE ___________________________ 33
6.1 How to use ................................................................................33
6.1.1 Filling the tank ................................................................................. 33
6.1.2 Recovery tank.................................................................................. 34
6.2 Charging the battery (DUPLEX 280i DC only) .......................36
6.2.1 Charge level of the battery (DUPLEX 280i DC only)..................... 37
6.3 Switching on system of the DUPLEX 280i AC.......................38
6.4 Switching on system of the DUPLEX 280i DC.......................39
6.5 Starting up the appliance ........................................................40
6.6 Motor Protector ........................................................................41
6.7 Instructions on how to clean surfaces...................................42
6.7.1 Bi-directional cleaning system ...................................................... 42
6.7.2 Work stages ..................................................................................... 43
6.7.3 Cleaning carpets or rugs ................................................................ 44
6.7.4 How to clean Parquet floors........................................................... 44
6.7.5 Cleaning flooring............................................................................. 44
6.7.6 Cleaning flooring with WAX CLEANERS....................................... 44
6.7.7 Cleaning of heavily dirty, hard or dingy flooring.......................... 46
6.8 Stopping the appliance............................................................47
6.9 Transport...................................................................................48
7. MAINTENANCE _________________________________ 49
7.1 Cleaning ....................................................................................49
7.2 Brush maintenance..................................................................51
7.2.1 Replacing the brushes.................................................................... 52
7.2.2 Cleaning the brushes...................................................................... 52

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7.3 Replacing the scrapers............................................................53
7.4 Conveyor belts .........................................................................53
7.5 Power cord (DUPLEX 280i AC only) .......................................54
7.6 Routine maintenance table .....................................................55
7.7 Disposal ....................................................................................56
7.7.1 Differentiation and sorting of the materials.................................. 56
7.7.2 Disposing of the battery (DUPLEX 280i DC only)......................... 57
8. TROUBLESHOOTING ____________________________ 59

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PURPOSE AND CONTENT OF THE MANUAL
1. PURPOSE AND CONTENT OF THE MANUAL
1.1 Symbols
To ensure the safety of persons and property, this manual contains special symbols which
draw attention to particularly dangerous situations, warnings and important information:
HAZARD!
Hazard with a risk of injury or even death.
Accident prevention regulations for the operator.
PAY THE UTMOST ATTENTION TO TEXT BLOCKS INDICATED BY
THIS SYMBOL.
ELECTRICAL HAZARD!
Hazard with a risk of injury or even death.
Accident prevention regulations for the operator.
PAY THE UTMOST ATTENTION TO TEXT BLOCKS INDICATED BY
THIS SYMBOL.
WARNING!
Possibility to cause damage to the appliance and/or its components.
Be careful.
WARNING!
Warning or remark on key functions or useful information on the
operation in progress.
1.2 Purpose of the manual
This user manual is an integral part of the appliance and must be kept in its entirety and
within the user's reach for the whole working life of the appliance.
The manual contains information on safety, technical aspects, operation, maintenance
and spare parts. Its purpose is to provide the customer with the necessary information to
use and control the appliance correctly, independently and safely.
CAUTION
Read this manual carefully and observe the instructions provided
before using, testing and operating the appliance.

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PURPOSE AND CONTENT OF THE MANUAL
1.3 Conservation
The manual must be kept with care and near the appliance, protected from liquids and
other substances that could compromise its readability and it must be readily accessible
at any moment.
The manual and the Declaration of conformity are integral parts of the appliance, and
therefore, they must accompany it during its whole working life.
1.4 Updating the manual
The information, descriptions, and illustrations contained in this manual reflect the state
of the art at the moment of machine sale.
The Manufacturer, committed to the constant improvement of their products and/or for
market reasons, reserves the right to make technical or commercial modifications to the
appliances at any given moment without prior notice.
Any additions must be retained together with the manual and are to be considered integral
parts of the manual.
1.5 Confidentiality
The technical information (text, drawings and illustrations) provided in this manual is
property of DUPLEX INTERNATIONAL S.r.l. and must be considered confidential.
It is strictly forbidden to disclose, reproduce or translate this document, even partially this
document, unless authorised in writing by DUPLEX INTERNATIONAL S.r.l..
1.6 Recipients
This manual is addressed to personnel assigned to use the appliance for cleaning floors
and carpets.
HAZARD!
The appliance must not be used by children or persons with reduced
physical, mental or sensory capacity, or lacking in experience and
knowledge in the use of the appliance, unless they are supervised
or instructed on the use of the appliance by persons responsible
for their safety.
Children should be supervised to ensure that they do not play with
the appliance.

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GENERAL INFORMATION
2. GENERAL INFORMATION
2.1 Manufacturer identification data
DUPLEX INTERNATIONAL Srl
Via Gobetti, 19-21-23
50058 SIGNA - FLORENCE
ITALY
Phone: [phone]
Fax: [phone]
Website: www.duplexitaly.com
Email: [e-mail]
2.2 Liability limitations
The manufacturer declines all liability for damage to persons or property caused by:
• Improper use of the appliance.
• Total or partial failure to comply with the given instructions.
• Appliance use not complying with the regulations in force.
• Use not complying with national laws on safety and accident prevention.
• Tampering with even one single part of the appliance.
• Incorrect installation and/or connection to the foreseen power sources.
• Use of non-original spare parts.

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GENERAL INFORMATION
2.3 Identification plate
A plate 1bearing the essential identification data for any assistance or spare parts request
is applied to the appliance. The plate contains the following data:
A) Model
B) Serial number
C) Year of manufacture
D) Weight
CAUTION
Do not remove the identification plate for any reason.
Please contact the Manufacturer in the event the identification plate
gets damaged.

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GENERAL INFORMATION
2.4 Reference standards and conformity:
STANDARDS:
EN 55014-1:06 + A1:09 + A2:11,
EN 55014-2:15
EN 60335-1:12 +A11:14,
EN 60335-2-67:09,
EN 61000-3-2:14,
EN 61000-3-3:13,
EN 62233:08
In compliance with the following provisions and Directives 2004/108/EC (EMC),
2006/42/EC (MD)

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
Lavapavimenti‐Lavamoquettes‐Lavascaleetappetimobili
Floorwasher‐Carpetwasher‐EscalatorCleaner

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EG-KONFORMITÄTSERKLÄRUNG
EC-DECLARATION OF CONFORMITY
CE-DÉCLARATION DE CONFORMITÉ
CE-DICHIARAZIONE DI CONFORMITÀ
Wir/We/Nous/Noi
Duplex International S.r.l.
via P. Gobetti 19
IT-50058 Signa (FI)
er klären in alleiniger Verantwortung, dass das Produkt
declare under our sole responsibility that the product
déclarons sous notre seule responsabilité que le produit
dichiariamo sotto la nostra esclusiva responsabilità che il prodotto:
Floor and Carpet Cleaner Mod. Duplex 280i AC
auf das sich diese Erklärung bezieht, mit den folgenden Normen übereinstimmt.
to which this declaration relates is in conformity with the following standards
auquel se réfère cette déclaration est conforme aux normes
al quale si riferisce la presente dichiarazione é conforme alle norme
EN 5036:03 + A1:06, EN 55014-1:06 + A1:09, EN 55014-2:97 + A1:01 + A2:08,
EN 60335-1:02 +A1:04 +A11:04 +A2:06 +A12:06 + A13:08, EN 60335-2-67:09,
EN 61000-3-2:06 + A1:09 + A2:09, EN 61000-3-3:08, EN 62233:08
gemäss den Bestimmungen folgender Richtlinien
following the provisions of Directives
conformément aux disposition des Directives
conformemente alle disposizioni e Direttive
2004/108/EC (EMC), 2006/95/EC (LVD)
Signa ( Firenze) 01 Aprile, 2015
Sig.ra Patrizia Scarselli / Amministratore Unico
……………………………………… ……………………………………………………………………………
Verantwortlich für die technische Dokumentation ist:
Responsible for the technical documentation is:
Responsable pour le documentation technique est:
Il responsabile della documentazione tecnica è:
Mr. Mauro Querci
SEV Association for Electrical Engineering, Power and Information Technologies
Luppmenstrasse 1 Tel. [phone]
CH-8320 Fehraltorf Fax [phone]
[email protected]
FAC-SIMILE
Rev.
GENERAL INFORMATION
2.4.1 Declaration of conformity
The EC Declaration of Conformity, provided together with the appliance, is the document
with which the Manufacturer certifies, under its own responsibility, the observance of the
required European Directives, Standards and Technical Specifications (specified in the
Declaration) in order for the appliance to comply with the basic requirements for sale and
use in the European Union.
The Declaration of conformity must be considered an integral part of the appliance and
must always accompany the appliance until it is scrapped.
WARNING
If the declaration of conformity is not delivered together with the
appliance or gets lost, please request a copy from the Manufacturer.

DUPLEX 280i
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GENERAL INFORMATION
2.5 Warranty
WARNING
The commercial warranty issued by the seller has a validity of “24
months”.
Warranty acknowledgement can be obtained by showing a photocopy of the receipt or
invoice along with the appliance serial number.
Failure to send this document entails the non-acknowledgement of the warranty.
The warranty does not cover expendable components such as:
• Brushes;
• Scrapers;
• Conveyor belts;
• Power cords on the appliance;
• Safety handle and its switch;
• The two large transfer wheels;
• The two small wheels and their casing to which they are fastened.
• Plastic or metal parts damaged out of negligence.
• Lithium-ion battery.
• Battery charger.
2.5.1 Forfeiture of the warranty
The warranty will be void in the following cases:
• The appliance is used for purposes not complying with those for which it has been
designed or is used improperly.
• Failure to observe the indications for use described in the manual.
• The appliance is damaged by the use of unsuitable or inadequate aggressive and
highly acid chemical products such as: static dissipative detergents, hydrochloric
acid, trichloroethylene, methyl ethyl ketone, acetone, pure ammonia, bleach or pure
sodium hypochlorite, etc.

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GENERAL SAFETY INSTRUCTIONS
3. GENERAL SAFETY INSTRUCTIONS
This chapter gives the necessary information on how to use the appliance fully complying
with the safety regulations in force.
CAUTION
The manufacturer declines all responsibility for any damage to property
and/or persons caused by the failure to comply with the instructions
provided in the following Chapter.
WARNING
Being familiar with the main safety standards and regulations is an
essential requirement for using the appliance accordingly.
The operator should observe the safety regulations in force in the
country in which the appliance is being used.
HAZARD!
Follow all safety instructions indicated in this chapter for a safe use
of the appliance.
3.1 Residual risks
Residual risks are the risks that remain despite all safety measures were taken, as well
as potential non-evident risks.
To avoid hazards to persons or damage to the appliance caused by residual risks, follow
the instructions provided in this manual.
Wait for the complete stop of all moving devices and/or the complete cooling of components
subject to heating before carrying out any intervention on the appliance.
Follow the indications and warnings indicated on the signs applied to the appliance and/
or to its components.

DUPLEX 280i
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GENERAL INFORMATION
3.2 General requirements
CAUTION
Read this manual carefully and observe the instructions provided
before using, testing and operating the appliance.
To avoid hazards to persons or damage to the appliance, follow the instructions and the
code of conduct indicated below:
• The appliance was designed and constructed exclusively to clean floors. Any other
use is considered improper.
• The appliance can be exclusively used by authorised and trained personnel.
• The appliance must not be used by children or by persons of reduced physical, mental
or sensory capacity, or lacking in experience and knowledge in the use of the appliance,
unless they are supervised and instructed on the safe use of the appliance by persons
responsible for their safety.
• Children should be supervised to ensure that they do not play with the appliance.
• Unplug the power cord plug from the power socket or battery before performing any
maintenance intervention.
• Do not use the appliance if you notice any irregularities in its operation.
• In the event of a fault, have the appliance repaired exclusively by qualified technicians.
• Use only original spare parts.
• Do not pour water or liquids directly onto the appliance.
• Do not use acid-based detergents that could damage the appliance.
• Do not mix together detergents of different types to avoid the emission of harmful gases.
• Do not use the appliance to collect hazardous dusts.
• Be careful not to hit shelves or scaffolds when using the appliance to avoid objects
falling down.
• Do not use the appliance to clean uneven surfaces or surfaces with many holes.
• Do not use the appliance in potentially explosive environments or areas exposed to
hazardous substances or under unsuitable microclimatic conditions.
• Do not use the appliance under inclement weather conditions.
• Do not clean surfaces contaminated by flammable liquids.
• Switch off the appliance immediately after its use.
• Ensure the appliance does not sit on the brushes when it is in its rest position, but
that it is supported and raised by the tripod.
If this not the case, the appliance weight could warp the brushes.
• Store the appliance in a closed and dry place after use.
• Do not modify or tamper with the appliance.
• Do not remove the guards.
• Use only brushes supplied with the appliance or those specified in the instruction manual.

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GENERAL INFORMATION
• Use personal protective equipment (PPE) suitable for the work to perform.
• Use a powder extinguisher in case of fire. Do not use water.
3.3 Electrical hazards
ELECTRICAL HAZARD!
Do not perform any type of intervention on live equipment
(maintenance, cleaning, etc.).
Disconnect the power supply (battery or power cord) before any
intervention on the appliance.
3.3.1 Power cord (DUPLEX 280i AC)
• Regularly check that the power cord is intact and does not show signs of wear, cracking
or peeling.
• If the power cord is damaged, replace it before using the appliance.
• Use a cable of the same type used by the Manufacturer, certified according to “ENEC”
European standards.
• Cable replacement must be performed by qualified personnel.
• Do not use the appliance if the power cord or plug are damaged or if the appliance
fell to the ground or got damaged in any way.
• Do not immerse the appliance, its power cord or plug in water or any other liquid.
• Avoid any contact of the power cord with the brushes.
• If the power cord gets caught under the appliance brushes: STOP the appliance
immediately. Do not try to remove the power cord when the appliance is running.
Replace the cable if damaged.
• Do not pull on the cable to unplug the plug from the power socket.
3.3.2 Lithium battery (DUPLEX 280i DC)
• Use battery chargers that comply with the technical specifications of the battery.
• Use the battery charger exclusively to charge the battery.
• Unplug the appliance before removing the battery.
• The battery and the battery charger must be disposed of correctly, following the national
regulations in force. The Customer is legally responsible for dangers generated during
battery disposal.
• Do not immerse the battery in water or sea water.
• Do not burn or heat lithium batteries as they could explode or blow up violently.
• Do not try to start up the appliance when the battery is flat.
• Do not use battery chargers different from that supplied by the Manufacturer.
• Do not expose the battery to direct sunlight.

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GENERAL INFORMATION
• Keep the battery away from heat sources: radiators, heaters, stoves, mantelpieces, etc.
• Do not try to open the special battery fireproof plastic enclosure.
• Do not break, open or pierce the battery package.
• Do not weld or pierce the battery using a needle or other sharp objects.
• Do not weld cables on the ends of the batteries.
• Do not short circuit the battery positive and negative terminals.
• Do not invert the positive and negative terminals during use.
• Do not connect the battery electrodes to an electrical output.
• Do not touch the electrodes with parts of your body or metal objects.
• Stock and store the battery in a cool and dry place.
• Do not transport or store the battery together with metal objects, as for example: hair
pins, necklaces, etc.
• Do not hit, tread on or throw the battery.
• Do not disposed of the battery improperly.

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3.4 Safety signs
The appliance is equipped with plates and pictograms drawing the attention in a fast
and easy way to objects and situations that can cause certain hazards, and in particular:
• Prevent dangerous behaviours;
• Warn the exposed persons of a risk or hazard;
• Prescribe safe behaviours;
HAZARD!
It is strictly prohibited to remove the safety signs or alter their
characteristics.
Check that the safety signs are always perfectly legible;
Replace damaged signs with other of the same type and make sure to apply them in their
original positions.
Tel. [phone] Telefax 055/875229
e-mail: [e-mail]
SIGNA (Firenze) ITALIA
International
R
the battery.
Duplex 280 i before using
of the booklet attached to
* Carefully read the instructions
* Store in a cool place.
collection points.
local, regional or state
waste but deliver it to the
* Do not dispose with other
temperature or direct sun.
* Do not expose to high
* Do not open, pierce or break it.
immediately after its use.
endangering the safety of
may blow up, seriously
damage to the battery which
charger can lead irreversible
The use of a different battery
CHARGER SUPPLIED
ONLY USE THE BATTERY
WARNINGS
IMPORTANT
people and property.
* Re-charge the battery
IMPORTANT
ONLY USE THE BATTERY
CHARGER SUPPLIED

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GENERAL INFORMATION
3.5 Noise level
The appliance was designed and constructed in such a way to minimise the noise emitted
during its normal operation.
The sound pressure level weighted and generated by the appliance's various components
is <72,8 dB (A). It was measured at the operator's ear during the normal work cycle and
following the criteria set forth by the regulations in force.
The sound pressure level may vary considerably according to the work environment.
WARNING
Use appropriate personal protective equipment if you suffer a constant
discomfort due to the noise produced by the appliance.
3.6 Vibration level
The appliance was designed and constructed in such a way to minimise the level of
vibrations generated during its normal operation.
The whole body vibration level weighted and generated by the appliance's various
components is 0,95 m/s²