FRANCO RoofCooler Instruction manual

INSTRUCTION MANUAL
FOR USE AND MAINTENANCE
ROOF COOLER
EVAPORATIVE COOLER
E N G L I S H
Before installing or running the unit,
it is obligatory to carefully read and consult this manual.
Manual version: 06-011/2020 Franco srl –Via Nazionale, 80 12010 Cervasca (CN)
INDEX

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INDEX ......................................................................................................................................1
1 - INTRODUCTION.................................................................................................................3
1.1 General warnings............................................................................................................3
1.2 Instructions for proper disposal of the product................................................................3
1.3 Covenants used throughout this manual ........................................................................4
1.4 Conservation of the instruction manual...........................................................................4
1.5 Recipients.......................................................................................................................5
1.6 Glossary and pictographs...............................................................................................5
1.7 Applicazioni.....................................................................................................................9
1.8 Versions..........................................................................................................................9
1.9 Identification and data label of the unit ...........................................................................9
1.10 Description of the parts...............................................................................................10
1.11 Transport and handling...............................................................................................10
1.12 Warranty.....................................................................................................................11
1.13 Statements..................................................................................................................11
1.14 Declaration of conformity............................................................................................12
1.15 Declaration of incorporation........................................................................................ 13
2 - INSTALLATION................................................................................................................ 14
2.1 Before installing............................................................................................................ 14
2.2 Positioning....................................................................................................................14
2.3 Electrical connection.....................................................................................................15
2.4 Hydraulic connection .................................................................................................... 15
3 - OPERATION..................................................................................................................... 16
3.1 Getting started..............................................................................................................16
3.2 First start.......................................................................................................................16
3.3 Starting ......................................................................................................................... 16
3.4 Optimum conditions of usage .......................................................................................17
3.5 Water Drainage (bleed-off) ...........................................................................................17
4 - MAINTENANCE................................................................................................................ 18
4.1 Cleaning the panels......................................................................................................18
4.2 Cleaning the tank..........................................................................................................18
4.3 Replacing the pump...................................................................................................... 18
4.4 Replacing the float........................................................................................................18
4.5 Replacing the exhaust ..................................................................................................18
4.6 Replacing the panels ....................................................................................................18
5 - TECHNICAL SPECIFICATIONS ...................................................................................... 19
5.1 Technical data ..............................................................................................................19
5.2 Wiring............................................................................................................................20
5.3 Spare parts...................................................................................................................21
6 - PROBLEMS AND SOLUTIONS ....................................................................................... 23

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1 - INTRODUCTION
1.1 General warnings
This device must be used only for the functions for which it was intended "Adiabatic Cooler –Humidifier”.
Any other use is to be considered improper and dangerous. Franco S.r.l. cannot be held liable for any damages
caused by improper, incorrect or unreasonable use, or if the device is used in systems that do not comply with
safety regulations.
- Check the integrity of the device at the opening of the package, paying particular attention to the presence of
damages or deformations of the plastic parts that can lead to breakage and / or malfunction during use. In such
cases do not connect the machine to the mains. Carry out these checks before each use.
- Before connecting the unit, make sure that the data shown on the device’s plate matches that of your electricity
distribution network. The data label is located on the side of the device (par.1.9).
- Respect the safety standards set for the electrical equipment and in particular:
oFollow the installation and operation instructions concerning the use of the equipment.
oDo not place objects on the humidifier.
oAvoid children from using the device, and / or unable subjects without proper supervision.
oDo not touch the humidifier during operation or until the complete stop of the disk.
oNever place water or any other liquids into the device. In the scenario of the device becoming wet,
immediately turn off the electricity by lowering the switch on the electrical panel of your system and
disconnect the power before touching the device.
oDo not insert objects inside the tank as the device may be damaged irreparably.
oDo not use accessories, spare parts and / or components that are not provided or supplied by the
manufacturer.
oAvoid touching the appliance with wet and / or humid hands.
oDo not pull the power cord nor expose it to risk of severing.
oDo not expose the unit to weather (rain, sun, etc...).
oIn case of failure or malfunction, switch off immediately and disconnect the power. Do not try to open or
tamper the device: contact the technical service offered by Franco srl.
oDo not try to fill and / or empty the tank during operation.
1.2 Instructions for proper disposal of the product
Under the European Directive 2002/96/EC.
At the end of its useful life the product must not be disposed of as waste.
The device can be taken to special recycling centers provided by local authorities, or at retailers that provide this
service. Disposing the product in separate parts avoids possible negative consequence to the environment and
to human health, which would both be the result of an inappropriate disposal, and allows the retrieval of
materials so that significant savings in energy and resources would be reached. As a reminder of the obligation
to dispose electrical equipment separately, the product is marked with the crossed mobile waste container.
Fig. 1.1

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1.3 Covenants used throughout this manual
The Manual is divided into autonomous chapters, each of which is addressed to a specific operator’s figure
(installer, operator and maintainer), for which the skills needed to operate the machine safely have been defined.
The sequence of chapters follows the temporal logic life of the machine.
To facilitate the immediate comprehension of the text, throughout the manual are used terms, abbreviations and
pictograms, whose meaning is shown below.
The Instruction Manual consists of a cover, an index and a series of chapters (sections).
The home page lists the identification data of the machine and model, the revision of the manual instructions,
and finally, a picture of the machine described, drawn in order to facilitate the reader in identifying the machine
and its use.
ABBREVIAZIONI
Ch. = Chapter
Par. = Paragraph
P. = Page
Fig. = Figure
Tab. = Table
UNITS OF MEASURE
The units of measure used in this manual are those provided by the International System (SI).
1.4 Conservation of the instruction manual
The instruction manual must be carefully stored and must follow and match the device in all the cases of change
of ownership incurred during the life span of the machine itself.
The conservation must be done by handling the manual with care, with clean hands and on clean surfaces. Parts
must not be removed, torn or arbitrarily modified.
The manual must be stored in a secure environment, protected from moisture and heat, and near the referring
device. The manufacturer, if requested by the User, may provide additional copies of the instruction manual of
the machine.
The User can request additional copies of the manual by contacting [e-mail]
METHODOLOGY FOR UPDATING THE MANUAL
The Manufacturer reserves the right to modify the design or specifications of the machine as part of its policy of
improving and enabling them to comply with the statutory or other requirements or standards applicable in any
territory in which goods are sold, without notifying the Customer and without updating the manuals given to the
user. Moreover, in case of changes (previously agreed between the Customer and the manufacturer) to the
machine installed, which signifies the modification of one or more chapters of the Handbook of Instructions, the
manufacturer will be responsible for sending the modified chapters affected by the structural change (including
the new model of revision) to the User.
The User is responsible, following the directions accompanying the updated documentation, for replacing all the
copies owned, the old chapters with the new chapters, the home page, and the index with the copy updated to
the new revision level.
The manufacturer shall be responsible for the descriptions included in this manual; in case of an inconsistency
being detected in a translated version of the manual (English version), the reader must refer back to the original
Italian version of the handbook and, eventually, contact the sales department, who will make necessary
changes.

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1.5 Recipients
The manual is addressed to: the installer, the operator, and the qualified personnel entitled to the maintenance
of the device.
EXPOSED PERSON:
refers to any person exposed, wholly or partially, to a danger zone;
OPERATOR:
refers to those persons responsible for installing, operating, regulating,
clearing, repairing and moving the machine, and also performing the
maintenance of the device;
QUALIFIED PERSONNEL
QUALIFIED OPERATOR:
refers to the persons who have completed courses of specialization and
training, and that have acquired experience in: installing, starting,
operating, maintaining, repairing and transporting the device, or similar
ones.
The machine is intended for industrial use (professional and not widespread) for which qualified operators are
needed, in particular, workers that:
Have reached the age of majority;
Are physically and mentally appropriate to perform works that include technical difficulties;
Have been properly educated on the use and maintenance of the machinery;
Have been considered suitable to undertake the assigned job by their employer;
Can understand and interpret the operator’s manual and the safety requirements;
Know the emergency procedures and their implementation;
Posses the ability to operate the specific type of equipment;
Are familiar with the specific applicable rules;
Have understood the operating procedures defined by the manufacturer of the machine.
1.6 Glossary and pictographs
In this section we list the non common terms included in the manual. The following also explains the
abbreviations used and the meaning of the pictograms in relation to the qualification of the operator and the state
of the machine; their use can provide quick and unique information, necessary for the proper use of the machine
under safety conditions.
GLOSSARY (Att. I p. 1.1.1 Dir. 2006/42/CE)
HAZARD
A potential source of injury or damage to personal health;
DANGER ZONE
All areas within and/or around the machinery in which the
presence of a person constitutes a risk to the health and safety of
himself/herself;
EXPOSED PERSON
Any person that finds himself/herself entirely or partially in a
hazardous area;
OPERATOR
The person responsible for installing, operating, regulating,
clearing, repairing and moving the machine, and also performing
the maintenance of the machinery;
RISK
The combination of probability and severity of an injury or harm to
health that can arise in a hazardous situation;
GUARD
The part of the machinery used specifically to provide protection by
means of a physical barrier;
PROTECTION DEVICE
The device (other than a shelter) that reduces (alone or in
conjunction with a shelter) the risk of an operation;
INTENDED USE
Use of the machinery according to the information provided in the
instruction manual;
REASONABLY FORESEEABLE
MISURE
Use of the machinery in an indifferent manner from that stated in
the instruction manual, which may result from a foreseeable
human behavior.

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OTHER DEFINITIONS:
HUMAN-MACHINE INTERACTION: Any situation in which an operator interacts with the machine in any of
the operational phases at any time of the life of the machine itself;
OPERATOR’S QUALIFICATION: Minimum level of competence that an operator must have in order to
perform the described operation;
NUMBER OF OPERATORS: The appropriate number of operators needed to optimally perform the
described operation, it is derived from an accurate analysis made by the
manufacture, and for which the use of a different number of operators
may prevent the occurrence of the expected result or endanger the
safety of the personnel involved;
STATE OF THE MACHINE: The state of the machine includes the operating mode, for example:
running in automatic mode, maintained action control (jog), shutdown,
etc… the safety conditions on the machine such as included protectors,
excluded protectors, emergency shutdown, isolation from energy
sources, etc…
RESIDUAL RISK: Risks that remain, despite of the protective measures incorporated in the
design of the machine, the complementary protections, and the
additional protective measures.
SAFETY COMPONENT: Component:
- designed to fulfill a safety function;
- the failure and/or malfunctioning of which endangers the safety of
persons (such as a lifter; a fixed, moving or adjustable protector; an
electrical, electronic, optical, pneumatic or hydraulic device that interlock
a protector; etc…).

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PICTOGRAPHS CONCERNING THE OPERATOR’S QUALIFICATION
Symbol
Description
Generic laborer: operator lacking of specific competences, capable of performing only simple tasks
under the control of qualified technicians.
Lifting and handling vehicles driver: operator qualified for the use of vehicles used in lifting and
handling materials and machines (carefully following the manufacturer’s instructions), in accordance
with the user’s country’s laws.
Mechanic maintainer: qualified technician, able to operate the machine under normal conditions, to
run it with the maintained action control (JOG) with disabled protections, and to intervene on the
mechanical parts in order to make the necessary adjustments, maintenances and repairs. Typically
this operator is not qualified to work on electrical systems while the device is connected to the
mains.
Electrical maintainer: qualified technician, able to operate the machine under normal conditions, to
run it with the maintained action control (JOG) with disabled protections, and enabled to any kind of
operation of electrical adjustment, maintenance and repair. This operator is qualified to work on
electrical systems while the device is connected to the mains.
Manufacturer’s technician: qualified technician offered by the manufacturer to carry out complex or
particular operations or, in any other case agreed with the user. The skills are, as contingently
appropriated, mechanical and/or electrical and/or electronic and/or concerning software.
PICTOGRAPHS CONCERNING THE STATE OF THE DEVICE
The pictographs contained in a square/rectangle provide information.
Symbol
State of the device
Device OFF: with electric and pneumatic power disconnected.
Machine in motion: with automatic function, movable protections closed and relative interlocking
devices activated, and fixed protections closed.
Device ON: in standby and ready to start by functional consent activation (eg. switchboard
consent), movable protections closed with relative safety device included, and fixed protections
closed.

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PICTOGRAPHS CONCERNING SAFETY
The pictograms contained in a triangle indicate DANGER.
The pictograms contained in a circle impose PROHIBITION / OBLIGATION.
Pictograph
Denomination
Hazardous voltage.
Entanglement.
Dragging.
General danger.
Do not remove safety devices.
Prohibition of cleaning, oiling, greasing, repairing or adjusting by hand when the device is in motion.
Duty to remove power before starting works or repairs.
Protective gloves required.
Safety footwear required.
Safety helmet required.

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1.7 Applicazioni
The machine is installed in places where it is necessary to cool large spaces, i.e. warehouses, workshops,
animal enclosures, farms, etc…
The materials used in building the machine ensure reliability and durability in time.
The humidifier parts are made in ABS, the screws are stainless steel made.
The use of materials that do not suffer from the corrosive action of water and acids makes the ROOF COOLER a
machine capable of working in almost all the environments.
The required water pressure is that of the water supply (between 2 and 6 atm).
This device must be used only for the functions for which it
was intended and designed:
Adiabatic (evaporative) Cooler.
Any other use is to be considered improper and dangerous.
1.8 Versions
The adiabatic cooler RoofCooler is available in the following versions:
2903000 Version with ventilator 400V 50Hz three phase
2903100 Version without ventilator
WARNING!
Version cod.2903100 must be installed on
duct with a maximum air flow of 15.000m³/h !
1.9 Identification and data label of the unit
Each machine is identified by the CE plate on which, indelibly set, is reference data of the device itself.
In any communication, either with the manufacturer or with the customer service, always cite these references.
Fig.1.2
The label plate positioning may vary from one device to another.

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1.10 Description of the parts
Fig.1.3
1.11 Transport and handling
The machine has been properly packaged before being put into strong carton boxes.
Prevent damages to the components of the device by taking care when opening the package.
Verify the integrity of the machine by controlling that there are no visible damaged parts.
Do not dispose the packaging elements in the environment; they must be placed in proper collection
points.
The RoofCooler can be lifted by using the proper brackets.
WARNING!
Before handling the device:
a. stop the machine,
b. disconnect the electricity supply,
c. interrupt the water supply.
To lift the machine, use a suitable lifting device (consult the weights table).
Lift the machine slowly, being careful not to drop it and move the straps depending on the center of mass.
Machine
body
Recirculation pump
Evaporative
panel
Drainage
device
Float valve ½”
Ventilator