Mitsubishi Electric MEDR Series Service manual

UM_FAN
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
MEHITS S.p.A.
English
Air conditioners for IT Cooling
MEDR
INSTALLATION, USE AND MAINTENANCE MANUAL
Italian is the original language.
The other languages versions are translation of the original.
To ensure safe and correct use, carefully read this manual and make sure to understand all the
contained indications and information.
English
Engsh

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Installation, use and maintenance manual
Keep this manual in a known and easily accessible place to refer to as
necessary during the entire life-span of the unit.
This Manual has been prepared by MEHITS S.p.A.: Reproduction, even partial, of this booklet is
prohibited.
The original copy is kept on file by MEHITS S.p.A.
Any use of the manual other than for personal reference requires the prior authorisation of MEHITS
S.p.A.
In the interest of improving the quality of its products, MEHITS S.p.A. reserves the right to modify,
without notice, the data and content of this Manual.
The information in this document may be modified without prior notice.
The reproduction and/or dissemination of this document, even in part, is prohibited without the written consent
of MEHITS S.p.A.
Before carrying out any operation on the machine, you must
carefully read this manual and make sure you understand all
the instructions and information given.

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Installation, use and maintenance manual
CONTENTS
1GENERAL PROVISIONS........................................................................5
1.1 GENERAL INFORMATION AND SAFETY ............................................................................................................................5
1.1.1 Scope of the manual ................................................................................................................................................5
2SYMBOLS...............................................................................................6
3GLOSSARY AND TERMINOLOGY ........................................................7
3.1 ATTACHED DOCUMENTATION........................................................................................................................................8
3.1.1 General safety rules.................................................................................................................................................8
3.1.2 Precautions against residual risks............................................................................................................................9
3.1.3 List of machine internal symbols ............................................................................................................................11
3.1.4 Procedure for requesting support...........................................................................................................................11
3.2 MACHINE IDENTIFICATION...........................................................................................................................................11
3.2.1 Designation ............................................................................................................................................................11
3.2.2 Identification plate ..................................................................................................................................................12
3.3 STORAGE TEMPERATURE...........................................................................................................................................12
3.4 OPERATING LIMITS ....................................................................................................................................................12
3.5 DESCRIPTION OF THE MAIN COMPONENTS ....................................................................................................................13
3.5.1 Electrical panel.......................................................................................................................................................14
3.5.2 Hydraulic circuit......................................................................................................................................................14
3.5.3 Ventilating section..................................................................................................................................................14
3.5.4 Structure.................................................................................................................................................................14
4TRANSPORT, STORAGE AND INSTALLATION.................................15
4.1 TRANSPORT AND MOVING...........................................................................................................................................15
4.1.1 Storage...................................................................................................................................................................15
4.1.2 Transport................................................................................................................................................................15
4.1.3 Discharge...............................................................................................................................................................16
4.1.4 Receipt and inspection...........................................................................................................................................16
4.1.5 Handling.................................................................................................................................................................16
4.2 DISASSEMBLY OF THE MACHINE PANELS......................................................................................................................17
4.3 INSTALLATION...........................................................................................................................................................18
4.3.1 Installation of the standard machine.......................................................................................................................18
4.3.2 Machine positioning................................................................................................................................................18
4.3.3 Fixing the machines to the ground .........................................................................................................................19
4.3.4 Installation clearances............................................................................................................................................20
4.3.5 Installation and position of any obstacles...............................................................................................................21
4.3.6 Installation in places with heavy snowfall...............................................................................................................22
4.3.7 Installation in places with strong winds for AC fans................................................................................................22
4.4 MACHINE HYDRAULIC CONNECTIONS ...........................................................................................................................22
4.4.1 Hydraulic connection to finned coils.......................................................................................................................22
4.4.2 Installation technical notes.....................................................................................................................................23
4.4.3 Cleaning and filling the hydraulic circuits................................................................................................................24
4.4.4 Water quality ..........................................................................................................................................................25
4.4.5 Anti-freeze solutions...............................................................................................................................................25
4.5 ELECTRICAL CONNECTIONS........................................................................................................................................26
4.5.1 Electrical data.........................................................................................................................................................26
4.5.2 Electric power supply connection...........................................................................................................................26
4.5.3 Electrical panel.......................................................................................................................................................27
4.5.4 Auxiliary electric connections .................................................................................................................................27
4.6 OPTIONAL INSTALLATION ...........................................................................................................................................29
4.6.1 Vertical air flow.......................................................................................................................................................29
4.6.2 Hooks for lifting and rotation...................................................................................................................................30
5PRE-COMMISSIONING ........................................................................32
5.1 BEFORE STARTING THE UNIT ......................................................................................................................................32
6START ..................................................................................................33
6.1 MACHINE START-UP ..................................................................................................................................................33
7METHOD OF USE.................................................................................33
7.1 PROVISIONS AND WARNINGS FOR USE .........................................................................................................................33

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Installation, use and maintenance manual
7.2 EMERGENCY STOP ....................................................................................................................................................33
7.3 PROLONGED SHUTDOWNS OF THE MACHINE .................................................................................................................33
7.4 START-UP AFTER EXTENDED MACHINE INACTIVITY ........................................................................................................33
8FIRST DIAGNOSTICS ..........................................................................34
8.1 TROUBLESHOOTING …..............................................................................................................................................34
9MAINTENANCE.................................................................................... 35
9.1 MAINTENANCE INSTRUCTIONS ....................................................................................................................................35
9.2 SCHEDULED MAINTENANCE ........................................................................................................................................35
9.3TABLE OF GENERAL MAINTENANCE JOBS.....................................................................................................................36
9.4 CLEANING THE FINNED COILS .....................................................................................................................................36
9.4.1 Cu-AL “tube and fin” coils.......................................................................................................................................37
9.4.2 Treated Cu-Al "tube and fin" coils...........................................................................................................................37
9.5 EXTRAORDINARY MAINTENANCE .................................................................................................................................38
10 DISPOSAL OF THE MACHINE............................................................. 38

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Installation, use and maintenance manual
1 GENERAL PROVISIONS
1.1 General information and safety
1.1.1 Scope of the manual
This manual, which is an integral part of the machine (*), was prepared by the Manufacturer to provide the necessary information
to all those who are authorised to interact with it during its life span: Buyers, System Designers, Carriers, Handling Operators,
Installers, Expert Operators, Specialist Technicians and Users.
(*) in the interest of clarity, this term is used as defined in the Machinery Directive.
As well as adopting a code of good practice, the recipients of the manual must read the information with care and apply it
scrupulously. Taking a little time to read this information can help avoid risks to the health and safety of persons as well as prevent
financial losses.
The information was written by the Manufacturer in the manufacturer's native language (Italian) and is referred to as the
"ORIGINAL INSTRUCTIONS". The information is valid even if the machine in your possession is not exactly the same as the one
referred to.
Keep this manual in a known and easily accessible place to refer to as necessary.
The Manufacturer reserves the right to modify the product without prior notice.
A number of symbols are used to highlight some parts of the text that are of particular importance. These are described below.
(1) in the interest of clarity, this term is used as defined in the Machinery Directive.

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Installation, use and maintenance manual
2 SYMBOLS
DANGER:
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING:
Warning indicates a potentially hazardous situation which, if not avoided, could result in death or
serious injury.
ATTENTION:
Attention indicates a potentially hazardous situation which, if not avoided, could cause minor or
moderate damage.
PROHIBITION:
Prohibition to perform certain movements or activities.
OBLIGATION:
This indicates mandatory actions and behaviours to ensure product reliability and safety.
INFORMATION:
Indicates technical information of particular importance which should not be neglected.
NOTICE:
This is used to address practices not connected with possible physical injury.

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Installation, use and maintenance manual
3 GLOSSARY AND TERMINOLOGY
There are some recurring terms in the manual which are described below in more detail.
Manufacturer: this is the company that has designed and built the machine in line with current laws, implementing all the good
construction rules, and paying attention to the health and safety of people interacting with the machine.
Buyer: the person responsible for making the purchase who must supervise the organisation and assignment of duties to ensure
that everything is done in compliance with the applicable laws.
Owner: Legal representative of the company, a body, or a natural person who owns the plant where the machine is installed and
is responsible for checking compliance with all the safety rules in this manual and the national regulations in force.
Designer: a competent specialist person duly appointed and authorised to draw up a project that takes into account all the
legislative and regulatory aspects and code of good practice that apply to the system as a whole. In any case, as well as comply
with the instructions provided by the machine Manufacturer, the designer must consider all the safety aspects for all those persons
who will have to interact with the system during its expected life span.
Installer: specialist competent person duly appointed and authorised to set up the machine or system according to the project
specifications and the recommendations of the machine Manufacturer and in compliance with the laws on safety at work.
User: person authorised to manage use of the machine in compliance with the "instructions for use" and the laws in force
concerning safety at work.
Carriers: the persons who take the machine to the destination in a suitable means of transport. They must stow and position the
machine in a suitable way to ensure that it cannot move suddenly during transfer. When using devices for loading and unloading,
they must observe the instructions that can be found on the machine to ensure their own safety and that of those people with
whom they interact in the process.
Handling operators: those who duly set up the machine and implement all the applicable measures so that it can be handled in
a safe and correct manner. They are also those persons who, upon receipt of the machine, move it to the place of installation
according to the instructions which can be found on the machine. All the above employees must have adequate skills and observe
the instructions to ensure their own safety and that of those people with whom they interact in the process.
Maintenance person: the person authorised by the owner to carry out on the machine all the adjustment and check activities
expressly indicated in this manual, and which must be strictly followed. His/her work will only be limited to what is clearly allowed.
Expert operator: person appointed and authorised by the User or the Buyer to use the machine and carry out the routine
maintenance according to the instructions provided by the Manufacturer. In the event of failures not considered in this manual,
the expert operator must request the assistance of a specialist technician.
Specialist technician: the person authorised directly by MEHITS to carry out all operations of ordinary and extraordinary
maintenance. He/she will also carry out all regulations, checks, repairs and replacement of parts that should become necessary
during the life of the unit itself. Outside Italy and those countries where the Manufacturer is not directly present, the Agent is
personally responsible for acquiring a suitable number of Technicians, proportional to the area and the business.
Routine maintenance: all the operations that help to ensure the good performance and efficiency of the machine. These
operations are planned by the Manufacturer who defines the skills required and the procedures to be implemented.
Extraordinary maintenance: all the operations that help to ensure the good performance and efficiency of the machine. These
operations, which are not foreseeable, are not planned by the Manufacturer and must only be carried out by the specialist
technician.

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Installation, use and maintenance manual
3.1 Attached documentation
The following documents are delivered with the unit:
•Installation, use and maintenance manual: it contains the list of operations to carry out.
•Wiring diagram: it is specific to the machine in question. It is useful for the persons who will have to carry out work on
the electrical system, as it shows the various components and connections.
•Dimensional and lifting drawings.
•Instructions for the installation of accessories: describes the procedures for their installation on the machine.
•EC declaration of conformity: indicates that the machines comply with current European directives.
The instructions are also available in an alternative format on the website https://www.melcohit.com/EN/download/
3.1.1 General safety rules
The manufacturer, during design and construction, has paid particular attention to aspects that may pose a risk to the safety and
health of people interacting with the machine. The manufacturer has complied with the applicable laws as well as the code of
good manufacturing practice. The purpose of this manual is to encourage users to take all due care and thereby avoid any risks.
In any case, prudence is required at all times. Safety is also the responsibility of all operators who interact with the machine.
Carefully read the instructions in this manual and those applied directly on the machine, and respect those concerning safety in
particular.
An overall project that envisages implementation of this machine in a system must take into account the code of good practice as
well as the legislative and regulatory aspects. Particular attention must be paid to all the recommendations and technological
information provided by the manufacturer. Do not tamper with, avoid, remove or bypass the safety devices installed on the
machine. Failure to observe this requirement could result in serious risks to the health and safety of the persons involved.
The personnel who carry out any kind of work during the entire life span of the machine must have precise technical knowledge,
special skills and recognised experience in the specific sector. The personnel must also possess and use/wear all the personal
protective equipment (PPE) required by law. Non-fulfilment of these requirements could endanger people's health and safety.
Keep the area around the machine in a good state in order to avoid risks to the health and safety of persons during normal use
and maintenance of the machine.
Some processes may require the assistance of one or more helpers. In which case, these helpers must be duly trained and
informed of the type of work to be carried out in order to avoid risks to their health and safety.
Move the machine observing the information shown on the packaging and the instructions on use provided by the manufacturer.
When handling, if the circumstances demand it, request the assistance of one or more helpers who can give directions.
The personnel who carry out loading, unloading and handling of the equipment must have recognised skills and experience in the
specific sector and must have absolute command of the lifting equipment to be used.
During installation, observe the clearances indicated by the manufacturer and take into account all the work activities carried out
in the vicinity. Installation must also be carried out in compliance with the laws in force on safety at work.
The machine must be installed and connected in accordance with the manufacturer's instructions. The person in charge must also
take into account all regulatory and legislative requirements, carrying out all installation and connection operations in a
workmanlike manner.
After installation and before commissioning the machine, he must perform a general check to make sure that these requirements
have been met.
Check that any means of transport to be used for transfer of the machine are suitable for the purpose, and that the machine is
loaded and unloaded with care to ensure the safety of the operator and of any other persons who are directly involved. Before
transfer, make sure that the machine and its components are duly anchored to the vehicle and do not exceed the maximum
permitted dimensions for transport on the vehicle. Apply any necessary signs.
The operator must have read and understood the information on use of the machine, and have suitable skills and experience for
carrying out the work in hand.
Put the machine only to the uses foreseen by the manufacturer. Improper use of the machine may pose risks to the health and
safety of the persons and cause financial losses.
The machine has been designed and constructed to meet all the operating conditions indicated by the manufacturer. Tampering
with any of the devices to change the performance can expose the persons to health and safety risks and cause financial losses.

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Installation, use and maintenance manual
Only use the machine with the safety devices properly installed and in perfect working order. Failure to observe this requirement
could result in serious risks to the health and safety of the persons involved.
Keep the machine in perfect working order and perform the routine maintenance recommended by the manufacturer. Good
maintenance can help to ensure the best possible performance, a long useful life and constant compliance with the safety
requirements.
Before maintenance and adjustments, activate all the applicable safety devices and provide the personnel and any other people
in the vicinity with all necessary information. In particular, cordon off the area and prevent access to all the devices that could, if
activated, inadvertently cause danger and pose risks to health and safety.
Maintenance and adjustments must be carried out by authorised persons who must implement all the necessary safety measures
according to the procedures set down by the manufacturer.
All maintenance operations that require specific technical expertise or skills must only be carried out by qualified personnel with
recognised experience in the field.
In the case of maintenance in areas that are awkward or dangerous to access, implement appropriate measures to ensure the
safety of oneself and of other people, in compliance with the laws in force on safety at work.
Replace excessively worn parts. All the above can help to ensure the good working order of the machine and the required level
of safety.
This appliance must not be used by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of
experience and knowledge, unless they are supervised or given instructions.
Children must be supervised to make sure they do not play with the appliance.
For an appliance intended to be permanently connected to the water supply and not connected by a set of pipes, this shall be
indicated in the chapter "Hydraulic connections".
3.1.2 Precautions against residual risks
Prevention of residual mechanical risks
•install the machine according to the instructions of this manual;
•regularly carry out all the maintenance operations foreseen in this manual;
•wear protective equipment (gloves, eye protection, hard hat, etc.) suited to the work in hand; do not wear clothes or
accessories that can get caught or sucked in by flows of air, tie back long hair before entering the machine
•the fins on heat exchangers and the edges of metal components and panels can cause cuts;
•do not remove the guards from mobile components while the machine is operating
•before restarting the machine, make sure that the guards protecting moving components are correctly installed;
•fans, motors and belt drives might be running: before accessing these, always wait for them to stop and take appropriate
measures to prevent them from starting up
•the surfaces of the machine and pipes can get very hot or cold and cause the risk of scalding;
•do not exceed the maximum admissible pressure (PS) of the water circuit of the machine as indicated;
•before removing parts on the pressurised water circuits, close the section of the piping concerned and drain the fluid
gradually to stabilise the pressure at the atmospheric level;
Prevention of residual electrical risks
•disconnect the machine from the mains using the main switch before opening the electrical panel;
•check that the machine has been grounded correctly before starting it;
•Install the machine in a suitable place; if intended for indoor use, it may be installed outside, provided that it is protected
from weather conditions;
•do not use cables with inadequate sections nor extension cable connections, even for very short periods or emergencies;
•for machines with power correction capacitors, wait 3 minutes after removing the electric power supply before accessing
the inside of the electrical panel.
WARNING:
During regular maintenance activities or in the event of a fault only use original components.

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Installation, use and maintenance manual
Prevention of environmental risks
•The machine contains substances and components that are dangerous for the environment, such as ethylene or
propylene glycol.
•The units may only be serviced and disposed of by qualified technicians.
Prevention of other residual risks
•the machine contains pressurised water or glycol solutions: the pressurised equipment must not be touched, except
during maintenance, which must be entrusted to qualified and authorised personnel;
•connect the utilities to the machine following the indications set out in this manual and in the symbols on the panels of
the machine itself;
•the water circuit contains harmful substances. Do not drink from the hydraulic circuit and make sure the material
contained in it does not touch your skin, eyes or clothing.
•in order to avoid an environmental risk, make sure that any leaking fluid is collected in suitable devices in accordance
with local regulations
•if a part needs to be dismantled, make sure that it is correctly re-assembled before starting the unit;
•when the rules in force require the installation of fire-fighting systems near the machine, check that these are suitable for
extinguishing fires on electrical equipment and on hydraulic circuits containing glycol, as specified on the safety data
sheets of these fluids (for example, a CO2 fire extinguisher);
•keep all the safety devices in good working order and check them periodically according to the regulations in force;
•do not store inflammable liquids near the unit
•only carry out brazing or welding activities on clean and empty pipes;
•do not use naked flames near the machine;
•the machinery must be installed in structures protected against atmospheric discharge according to the applicable laws
and technical standards
•do not bend or hit pipes containing pressurised fluids
•it is not permitted to walk or rest other objects on the machines
•the user is responsible for overall evaluation of the risk of fire in the place of installation (for example, calculation of the
fire load)
•during transport, always secure the unit to the bed of the vehicle to prevent it from moving about and overturning
•the machine must be transported according to the regulations in force taking into account the characteristics of the fluids
in the machine and the description of these on the safety data sheet
•inappropriate transport can cause damage to the machine. Before start-up, the machine must be checked for leaks and
repaired accordingly
•unless arranged otherwise with the Manufacturer, the machine be installed in environments where there is no risk of
explosion (SAFE AREA).

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Installation, use and maintenance manual
3.1.3 List of machine internal symbols
3.1.4 Procedure for requesting support
For support, please contact one of the authorised centres (Italy) or our branches/distributors (outside Italy). When requesting
technical support concerning the machine, cite thedata on the identification plate, and theserialnumber inparticular,and describe
the conditions of access and the area around the machine.
In your request, indicate the approximate hours of use and the fault detected. In case of alarm, indicate the alarm message
number.
3.2 Machine identification
3.2.1 Designation
The alphanumerical code of the model of the machine, which is given on the identification plate, represents precise technical
specifications which are indicated in the figure.
MEDR-TF-SL-A 015
MEDR Dry Cooler
TF Coil type
TF = Tube & fin exchanger
B Acoustic preparation
[ ] = Standard
SL = Low Noise
A Fan electric motor
A = with AC electric motors
E = with EC electric motors
015 Model code corresponding to the rated power (kW)
Internal moving components
Equipment under voltage
Earth connection

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Installation, use and maintenance manual
3.2.2 Identification plate
The type of machine is shown on the label on the machine, normally found in the electrical panel. The label provides the reference
data and all the essential information required to ensure safe operation.
3.3 Storage temperature
During transport and if the machine is not installed at the reception, do not remove the packaging and place the machine in an
enclosed, dry and protected from sunlight site at temperatures ranging between -40°C and 60°C in absence of superficial
condensation.
3.4 Operating limits
For the operating limits of the machines, refer to the Data Book.

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Installation, use and maintenance manual
3.5 Description of the main components
Heat sink for IT Cooling with axial fans with horizontal or vertical air flow. Air flow from coil to fan.
The design solution allows a high degree of application flexibility. There are 2 series with 9 models each.
Between the internal unit and the heat sink, the hydraulic connection and the electrical connection of the fan speed control
proportional signal and the alarms are required.
The machines in this series are designed and built for use in technological air conditioning systems.
The machines are not suitable for ducting the intake and discharge of air.
On request, it is possible to have:
•The support feet kit, to transform the machine into a machine with vertical air flow;
•The Finguard protective treatment for tube and fin coils.
In order to ensure maximum performance and guarantee thesafety of people,the product and the environment, before installation
it will be necessary to complete a full design of the system within which the machine will be installed, assessing all the predicted
and foreseeable critical points during its life, from installation to dismantling.
The machines essentially consist of a heat exchange section and one or more fans.
They work by cooling the fluid of the hydraulic circuit.
The outdoor air is channelled through the coil by the fans, to help cool the fluid.
The heat extracted from the coil is released into the ambient air.
The remote heat sink is connected to the main machine by hydraulic pipes.
For further machine characteristics and technical data, please refer to the Data Book.
Front view
Rear view

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Installation, use and maintenance manual
3.5.1 Electrical panel
The power supply is independent of the internal unit.
The electrical panel is installed on the machine and is fitted with a line disconnector.
In accordance with the standard EN 60204-1, the handle of the circuit breaker must be easy to access and at a height of between
0.6 and 1.9 metres above the floor. The position of the machine in the place of installation must be considered, because if the unit
is placed on a raised platform the height of the circuit breaker might no longer be in compliance with the standard. In which case
the installer must arrange for a walkway or a similar solution that can allow operators to access the safety device with ease.
3.5.2 Hydraulic circuit
The hydraulic circuit comprises a Cu-Al tube and fin heat exchange coil. The hydraulic connections can be either grooved or
threaded, depending on the size of the unit. Please refer to the Data Book for the sizes of the connections, which depend on the
size of the machine.
3.5.3 Ventilating section
The unit is equipped with axial fans and protective grilles on the air supply. Units can have 1, 2, 3 fans, or 4, 6 fans.
Both AC and EC fans are available.
3.5.4 Structure
The all-aluminium structure is particularly suitable for outdoor installation.
The machines are fully assembled in the factory, supplied with control equipment in order to reduce installation time and costs.
Cooling connections
Coil
Axial fan

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Installation, use and maintenance manual
4 TRANSPORT, STORAGE AND INSTALLATION
4.1 Transport and moving
4.1.1 Storage
Place in a protected environment, where there is no wind or condensation. Secure the machine in place so that there is no risk of
overturning.
4.1.2 Transport
For road transport, it is advisable to use a low loader truck with tarpaulin, or use tarpaulin to protect the units against bad weather.
Use straps with a ratchet system to secure the unit for the purpose of transport.
INFORMATION:
To avoid damage to the panels, it is recommended to secure the machine as shown in the figure.
The belts must be tensioned with care.
Make sure that the belts don’t press against the mouthpiece of the fans.
For more information, contact the Shipping Office of the Manufacturer.

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Installation, use and maintenance manual
4.1.3 Discharge
Lift and move the machine as indicated on the packaging and/or directly on the machine.
It is advisable NOT TO REMOVE the shrink wrap protection during the unloading, handling and positioning operations.
4.1.4 Receipt and inspection
Upon receipt, verify the integrity of the machine and check it against the order:
• Check the number of packages against the transport document. If incorrect, notify the carrier and the Manufacturer.
• Perform a visual inspection of the packaging.
4.1.5 Handling
OBLIGATION:
All the unloading, handling and positioning operations must be carried out using appropriate means
and by experience personnel, trained and authorised for such activities.
Keep the machine on the pallet for unloading and handling operations.
INFORMATION:
If any of the packages are damaged or missing, contact the Sales Office of the manufacturer and the
freight forwarder, to agree the next plan of action.
For more information, contact the Shipping Office of the Manufacturer.
If the machine is not installed immediately after receipt, it should be stored in a protected environment
as indicated in the “storage” and “storage temperature” sections.

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Installation, use and maintenance manual
4.2 Disassembly of the machine panels
Machine panels
The side panels can be removed. The panels are screwed onto the machine.
DANGER:
The machine panelling is made of heavy aluminium sheet.
All the assembly and disassembly operations must be carried out using suitable means and by
experienced individuals, trained and authorised for these types of operations.
Panel

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Installation, use and maintenance manual
4.3 Installation
4.3.1 Installation of the standard machine
Before starting the installation activities, in addition to defining the technical requirements, the person authorised to perform the
work must, if necessary, implement a "safety plan" to safeguard the safety of the people directly involved, and strictly implement
the safety rules and, in particular, the laws that apply to mobile construction sites.
Before installing the machine, be sure that:
•the area is perfectly flat and can ensure long-term stability;
•the floor of the building on which the machine is to be installed is of adequate capacity;
•the machine is easily accessible to all people who must interact with it during its expected useful life.
•it must be possible toperform all maintenance and replacement operations (routine and extraordinary) easily and without
risks to people and in compliance with the laws in force concerning safety at work.
•the spaces are adequate to ensure appropriate air flow for correct machine operation and ventilation.
•the minimum space requirements for operation and inspection indicated in this manual are ensured.
•air intake and delivery are never hindered or obstructed, even partially.
•if people and vehicles are expected to transit in the vicinity, suitable fencing must be erected, in compliance with existing
regulations and ensuring at least the minimum required clearance around the machine for carrying out any intervention
that may be required on the same.
The machine must be installed indoors, in a non-aggressive atmosphere.
4.3.2 Machine positioning
The machine is placed directly on the ground. Once the machine has been positioned, it must be checked that it is level in the
four positions indicated in the figure.
OBLIGATION:
All the phases of installation must be covered in the general project.
OBLIGATION:
The unit must be installed in an area where access is only permitted to OPERATORS,
MAINTENANCE PERSONNEL and TECHNICIANS. If this is not possible, it must be enclosed in a
perimeter fence positioned at least two metres from the external surfaces of the machine itself.
The staff of the INSTALLER or any other visitors must always be accompanied by an OPERATOR.
Under no circumstances, must unauthorised personnel be left alone in contact with the machine.
The MAINTENANCE MAN must limit him/herself to the controls of the machine only; the only panel
that can be opened by him/her is the one that accesses the control module - no other must be touched.
The INSTALLER may only connect the machine to the system.
Access the machine using the relative personal protective equipment and only after having read and
understood the documents and instructions, which must always be kept close at hand.
Spirit level

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Installation, use and maintenance manual
4.3.3 Fixing the machines to the ground
The machines must be fixed to the ground or to the support structure. The support feet are provided with holes for fixing as shown
in the figure. Fixing systems are not supplied.
HORIZONTAL AIR FLOW
VERTICAL AIR FLOW

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Installation, use and maintenance manual
4.3.4 Installation clearances
If several machines are installed side-by-side, provide a space between the machines as shown in the figure:
OBLIGATION:
For a correct installation of the machine, it is necessary to ensure a free area around the same, as
shown in the figure. This allows correct air circulation and ease of access to the components of the
machine for the purpose of normal inspection and maintenance operations.