FRANCO 2903000 Instruction manual

INSTRUCTION MANUAL FOR
USE AND MAINTENANCE
ROOF COOLER
EVAPORATIVE COOLER
T R A N S L AT I O N O F O R I G I N A L I N S T R U C T I O N S
ENG L I SH
C O U N T R Y O F D E S T I N AT I O N : GB
Read this manual carefully
before installing and using the machine
Rev. 00/2022 Franco s. r. l. - Via Nazionale, 80 12010 Cervasca (CN)

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INDEX
INDEX ......................................................................................................................................2
1 - INTRODUCTION.................................................................................................................3
1.1 General safety instructions .............................................................................................3
1.2 Warnings for the correct disposal of the product (EU) ....................................................3
1.3 Conventions used in this manual....................................................................................4
1.4 Keeping and updating the instruction manual................................................................. 4
1.5 Target audience..............................................................................................................4
1.6 Pictograms...................................................................................................................... 5
1.7 Applications ....................................................................................................................7
1.8 Versions..........................................................................................................................7
1.9 Machine identification data and plates............................................................................8
1.10 Description of equipment..............................................................................................8
1.11 Transport and handling.................................................................................................9
1.12 Warranty.......................................................................................................................9
1.13 Manufacturer's identification data .................................................................................9
1.14 Declarations..................................................................................................................9
1.15 Declaration of conformity............................................................................................10
1.16 Declaration of incorporation........................................................................................ 11
2 - INSTALLATION................................................................................................................ 12
2.1 Getting started..............................................................................................................12
2.2 Positioning....................................................................................................................12
2.3 Electrical connections...................................................................................................14
2.4 Hydraulic connections...................................................................................................14
3 - OPERATION..................................................................................................................... 15
3.1 Preliminary operations..................................................................................................15
3.2 First start-up.................................................................................................................. 15
3.3 Starting up ....................................................................................................................16
3.4 Optimum conditions of use ...........................................................................................16
3.5 Water discharge (bleed-off) ..........................................................................................16
4 - CLEANING AND MAINTENANCE ................................................................................... 17
4.1 Cleaning and maintenance programme........................................................................17
4.2 Cleaning and maintenance operations .........................................................................17
5 - TECHNICAL CHARACTERISTICS .................................................................................. 20
5.1 Overall dimensions ....................................................................................................... 20
5.2 Technical data ..............................................................................................................20
5.3 Electrical connections...................................................................................................21
5.4 Spare parts list.............................................................................................................. 23
6 - PROBLEM-SOLVING GUIDE........................................................................................... 26

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1 - INTRODUCTION
1.1 General safety instructions
This appliance must only be used for the function for which it was designed "Adiabatic cooler /
humidifier". Any other use is to be considered improper and dangerous. Franco s. r. l. cannot be held
responsible for any damage resulting from improper, incorrect and unreasonable use, such as, for
example:
- installation errors
- incorrect power or water supply
- unauthorised mechanical or electrical modifications
- removal of guards or safety devices
- lack of maintenance
- use of non-original spare parts
- non-compliance with the operating and maintenance instructions
- When opening the packaging, check that the appliance is intact and does not show any damage or
deformation of the plastic parts. If this is the case, do not install the appliance and contact the service
department.
- Before connecting the appliance, make sure that the data on the rating plate (voltage, frequency, etc.)
correspond to those on the mains. The technical data label is located on the bottom side of the appliance
(see par. 1.9).
- Comply with the safety rules indicated for electrical equipment, and in particular:
•Follow the operating and maintenance instructions for the appliance.
•Do not place objects on the cooler.
•Prevent children and/or physically or mentally unfit persons from using the device without proper
supervision;
•Do not touch the cooler during operation.
•Never immerse the appliance in water or any other liquid, or hit it with pressurised water.
•Do not place any objects inside the appliance.
•Do not use accessories, spare parts and components not intended for or supplied by the
manufacturer.
•Avoid touching the device with wet or damp hands.
•Do not pull power cables or expose them to risk of shearing.
•In the event of a fault or malfunction, switch off the appliance immediately and disconnect the
power supply. Do not attempt to open or tamper with the appliance: contact the technical service.
•Do not attempt to fill or empty the drip tank manually when the appliance is in operation.
•Do not remove the guards during use.
•Do not install the device in explosion hazard areas.
1.2 Warnings for the correct disposal of the product (EU)
Pursuant to European Directive 2012/19/EU:
At the end of its useful life, the appliance must be delivered to the appropriate separate
waste collection points set up by the local authorities, or to retailers who provide this
service. Disposing of the product separately avoids possible negative consequences for
the environment and health, and allows the materials from which it is made to be
recovered, thus saving energy and resources. To emphasise the obligation to dispose of
electrical and electronic equipment separately, the product is marked with a crossed-out
wheeled bin.
Fig. 1.2.1

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1.3 Conventions used in this manual
The manual is divided into chapters. Where necessary, pictograms are used to indicate the specific type
of operator for whom the chapter is intended (e.g. mechanical maintenance, service, etc.).
The sequence of chapters follows the phases of the machine's life.
To facilitate understanding of the text, terms, abbreviations and pictograms are used, the meaning of
which is indicated below.
ABBREVIATIONS
Cap. = Chapter
Par. = Paragraph
Page = Page
Fig. = Figure
Tab. = Table
UNITS OF MEASUREMENT
The units of measurement used are those of the International System (SI).
1.4 Keeping and updating the instruction manual
The manual is an integral part of the machine: it must therefore be stored with care and must accompany
the machine in all changes of ownership. Handle the manual with care, with clean hands and do not
place it on dirty surfaces. Do not remove, tear or arbitrarily modify any part. Keep the manual away from
moisture and heat and in the vicinity of the machine to which it refers.
Further copies of the instruction manual can be obtained from [e-mail].
The manual contains the instructions for the machine model and version to which it is attached. In the
case of authorised modifications to installed machines, which involve the modification of parts of the
instruction manual, it is the manufacturer's responsibility to send the customer the parts affected by the
modification. The user must replace the old parts with the new parts in the manual he has.
The manufacturer is responsible for the original version in Italian; in case of doubts about the
translations, please refer to the Italian language and contact the manufacturer ([e-mail])
for the necessary checks.
1.5 Target readers
OPERATOR: means the person or persons responsible for installing, operating, adjusting, cleaning,
repairing and moving a machine and for carrying out the simplest maintenance operations;
QUALIFIED PERSONNEL/QUALIFIED WORKERS: these are people who have attended specialised
courses, training, etc. and have experience in the installation, commissioning and maintenance, repair,
transport of the machine.
The machine is intended for industrial use, and therefore professional and not general use, so its use
must be entrusted to qualified personnel, in particular who:
•have reached the age of majority;
•are physically and mentally fit to carry out work of particular technical difficulty;
•have been properly instructed in the use and maintenance of the machine;
•have been judged by the employer to be suitable to carry out the task entrusted to them;
•are able to understand and interpret the operator's manual and safety instructions;
•know the emergency procedures and their implementation;
•are able to operate the specific type of equipment safely;
•are familiar with the applicable specific rules;
•have understood the operating procedures defined by the manufacturer of the machine.

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The appliance may be used by persons with reduced physical, sensory or mental capabilities, or lack of
experience or knowledge, provided that they are supervised or have received instructions concerning
the safe use of the appliance and an understanding of the hazards involved.
1.6 Pictograms
This section explains the meaning of the pictograms indicating the operator's qualification, the state of
the machine, the hazards and the obligations/prohibitions to be respected. They provide rapid and
unambiguous information necessary for the correct and safe use of the machine.
PICTOGRAMS RELATING TO OPERATOR QUALIFICATION
Symbol
Description
General labourer: an operator with no specific skills, capable of carrying out only simple
tasks at the instruction of qualified technicians.
Driver of lifting and handling equipment: an operator qualified to use lifting and handling
equipment and machines (strictly following the manufacturer's instructions), in accordance
with the laws in force in the country of the machine user.
Mechanical maintenance technician: qualified technician, able to operate the machine
under normal conditions, to make it work with protections disabled, to intervene on the
mechanical parts to carry out the necessary adjustments, maintenance and repairs.
Typically, he is not qualified to work on live electrical installations.
Electrical maintenance technician: qualified technician, able to operate the machine under
normal conditions, to make it work with protections deactivated, is proposed to all
interventions of an electrical nature of regulation, maintenance and repairs. He is able to
work in the presence of voltage inside electrical cabinets and panels.
Manufacturer's technician: a qualified technicianprovided by the manufacturerto carry out
maintenance, troubleshooting, repair, etc. of a particularly complex nature. Skills may be
mechanical/electrical/electronic/software depending on the case.

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SAFETY PICTOGRAMS (ISO 7010)
Pictograms contained within a triangle indicate a DANGER.
The pictograms contained in a circle impose a PROHIBITION (red) or an OBLIGATION (blue).
Failure to follow one or more of the instructions marked with these symbols may result in
personal injury or property damage for which the manufacturer cannot be held responsible.
All technical, legislative and accident prevention regulations in force in the country of
destination must also be observed.
Pictogram
Description
Dangerous electrical voltage.
General hazard.
Do not remove safety guards.
It is forbidden to clean, oil, grease, repair or
adjust moving parts by hand.
Obligation to switch off power before starting
work or repairs.
Protective gloves are mandatory.
Mandatory safety footwear.
Helmet mandatory.

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1.7 Applications
The ROOF COOLER is an evaporative cooler for large rooms, such as workshops, industrial
departments, commercial and civil buildings, agricultural and livestock premises, etc., which works
based on the principle of adiabatic cooling. Warm air is drawn in from outside, flows across the high-
efficiency evaporative panels and comes into contact with the water flowing through the panels from top
to bottom. The evaporation removes heat from the air and naturally lowers its temperature. The fresh
air is then conveyed and distributed to the space to be cooled through a duct. The cooling capacity
depends on the temperature, room humidity and air distribution.
As well as a cooler, the unit can also be used as a humidifier for large room volumes, in industrial, civil,
agricultural and livestock applications, or as a simple ventilator, when cooling or humidification is not
necessary.
The materials used guarantee reliability and durability, even in the most critical environments.
This machine must only be used for the purpose
for which it was designed: "Adiabatic cooling/humidification". All
other uses are considered improper and therefore potentially
dangerous.
1.8 Versions
The ROOF COOLER evaporative cooler is available in the following versions:
BOTTOM
TOP
SIDE
Version
Article number
Power supply
Motor
Bottom
(air exit
from below)
without fan*
2903100
230V 50Hz
-
with fan
2903000
400V 3N~ 50Hz
fixed speed
2903001
400V 3N~ 50Hz
variable speed
2903005
230V 50Hz
variable speed
Top
(air exit from
above)
without fan*
2903011
230V 50Hz
-
with fan
2903010
400V 3N~ 50Hz
fixed speed
2903013
400V 3N~ 50Hz
variable speed
2903012
230V 50Hz
variable speed
Side
(air exit on
one side)
without fan*
2903021
230V 50Hz
-
with fan
2903020
400V 3N~ 50Hz
fixed speed
2903022
400V 3N~ 50Hz
variable speed
2903024
230V 50Hz
variable speed
*Versions without fan must be integrated in a dynamic ventilation system with a maximum air flow of
15000 m³/h.

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1.9 Machine identification data and plates
Each machine is identified by a CE plate on which the technical reference data are indelibly marked.
Always quote these references in any communication with the manufacturer or service centres (Fig.
1.9.1).
Fig.1.9.1
1.10 Description of equipment
Main components of the evaporative cooler
Fig.1.10.1
Machine
body
Water
pump
Evaporative
panel
Drain valve
Filling valve ½"
Ventilator
Level
sensor
Water collection
tank

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1.11 Transport and handling
The unit is packed on pallets, with protective film and fixing straps.
Care must be taken during transport, unloading, handling and unpacking to avoid damaging the
machine.
Check the integrity of the machine by checking that there are no visibly damaged parts. If there is any
damage due to transport, do not install the machine and contact the manufacturer.
Do not dispose of packaging elements in the environment, but place them in the appropriate collection
places.
ATTENTION!
Before moving the appliance:
a. stop the unit;
b. switch off the power supply;
c. cut off the water supply.
Transport, handling and lifting operations must be carried out by qualified personnel, using suitable
means, personal protective equipment and procedures according to the weight and size of the
equipment, in compliance with the occupational safety regulations in force in the country of destination.
For lifting, use ropes or straps with suitable characteristics, positioned so as not to damage the
packaging and the appliance (see weight on the nameplate). Do not stand under suspended loads
and/or in the working area of lifting equipment.
1.12 Warranty
This appliance is guaranteed for 12 months from the date of manufacture for all faults attributable to a
proven manufacturing or material defect. The warranty does not cover all parts damaged by transport,
bad or incorrect maintenance, neglect, inability to use, improper use, tampering by unauthorised
personnel and in any case by causes beyond the control of Franco s.r.l.. During the warranty period,
Franco s.r.l. undertakes to replace or repair free of charge those parts which prove to be defective at
the origin.
Any repair shall be carried out by a qualified and authorized technician.
1.13 Manufacturer's identification data
Manufacturer: FRANCO S.r.l.
Legal and administrative address: VIA NAZIONALE 80 - 12010 CERVASCA CN - ITALY
Tel. : [phone] - 61.16.63
E-mail: [e-mail]
www.francosrl.com
1.14 Declarations
The machine is manufactured in accordance with the relevant Community Directives applicable at the
time of placing on the market.
The machine is not included among those mentioned in All. IV of Directive 2006/42/EC.
The version code 2903100 is marketed as a partly completed machine, as it needs to be equipped with
a fan or integrated into ventilation systems with a maximum air flow of 15000 m³/h for operation.
The partly completed machinery is manufactured in accordance with the applicable requirements of the
European Directives in force at the time of placing on the market.
The partly completed machinery is not included among those mentioned in All. IV of Directive
2006/42/EC.

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1.15 Declaration of conformity
(Annex IIa Dir. 2006/42/EC)
THE MANUFACTURER
FRANCO s.r.l.
Company
Via Nazionale, 80 12010 CN
Address Postcode Province
Cervasca Italy
City Country
DECLARES under its own responsibility that the machine
Cooler / Humidifier ROOF COOLER
Description Model
2903000; 2903001; 2903005; 2903010; 2903013; 20903012; 2903020; 2903022; 2903024
Art. No.
ROOF COOLER Evaporative cooler
Trade name
Room cooling / Humidification
Intended use
complies with the following European Directives:
2006/42/EC Machinery Directive
(2014/35/EU) (Low Voltage Directive)
2014/30/EU Electromagnetic Compatibility Directive
Harmonised standards and reference specifications used:
EN 12100:2010
EN 60335-1:2012 + A11 +A13 +A1 + A14 + A2 +A15:2021
EN 60335-2-80:2003 +A2:2009
EN 55014-1 :2017, EN 55014-2:2015, EN 61000-6-1:2016, EN 61000-6-3:2010
Legal entity authorised to establish the Technical File:
FRANCO s.r.l.
Name
Via Nazionale, 80 12010 CN
Address POSTCODE Province
Cervasca Italy
City State
Place and date of document
The manufacturer
Cervasca, 02/03/2022
Signature
Rev. 00/2022
Marco Fantino
Administrator