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INSTRUCTION MANUAL FOR
USE AND MAINTENANCE
ROOF COOLER
EVAPORATIVE COOLER
T R A N S L A T 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
E N G L I S H
G B
C O U N T R Y
O F
D E S T I N A T I O N :
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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Summary of Contents for FRANCO 2903000
- Page 1 C O U N T R Y D E S T I N A T I O N : 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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Page 2: Table Of Contents
FRANCO s.r.l. User and maintenance manual ROOF COOLER 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 .............. -
Page 3: Introduction
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... -
Page 4: Conventions Used In This Manual
FRANCO s.r.l. User and maintenance manual ROOF COOLER 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.). -
Page 5: Pictograms
FRANCO s.r.l. User and maintenance manual ROOF COOLER 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. - Page 6 FRANCO s.r.l. User and maintenance manual ROOF COOLER 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.
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Page 7: Applications
FRANCO s.r.l. User and maintenance manual ROOF COOLER 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. -
Page 8: Machine Identification Data And Plates
FRANCO s.r.l. User and maintenance manual ROOF COOLER 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. -
Page 9: Transport And Handling
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. -
Page 10: Declaration Of Conformity
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... -
Page 11: Declaration Of Incorporation
The relevant technical documentation has been prepared in accordance with Annex VII B, Dir. 2006/42/EC. The manufacturer, FRANCO s.r.l., undertakes to provide information relevant to the partly completed machinery covered by this declaration, if requested, and prohibits its putting into service until the final machinery into which it is to be incorporated has been declared in conformity with the provisions of Directive 2006/42/EC. -
Page 12: Installation
FRANCO s.r.l. User and maintenance manual ROOF COOLER 2 - INSTALLATION 2.1 Preliminary operations To operate the ROOF COOLER, you need: - Electrical network with voltage and frequency characteristics suitable for the machine, with earth conductor and protection devices; - Water supply connection. Required pressure: 2 to 4 bar - Water drainage connection. - Page 13 FRANCO s.r.l. User and maintenance manual ROOF COOLER Fig. 2.2.1 Fig. 2.2.2 BOTTOM (bottom air outlet) BOTTOM (bottom air outlet) ROOF installation WALL installation Fig. 2.2.4 Fig. 2.2.3 SIDE (side air outlet) TOP (air outlet from above) WALL installation WALL installation Further information regarding installation procedures, system sizing, available accessories, etc.
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Page 14: Electrical Connections
FRANCO s.r.l. User and maintenance manual ROOF COOLER 2.3 Electrical connections The start-up and shut-down of the ROOF COOLER and its components can be controlled automatically via an external control board, possibly including a room thermostat and/or a humidistat; alternatively, an ON/OFF switch can be used for manual control. -
Page 15: Operation
FRANCO s.r.l. User and maintenance manual ROOF COOLER 3 - OPERATION 3.1 Preliminary operations Before starting up the cooler, make sure that: All connections, both electrical and hydraulic, have been made according to the instructions in this manual; The cooler is free and clean;... -
Page 16: Starting Up
FRANCO s.r.l. User and maintenance manual ROOF COOLER 3.3 Start-up The machine starts as soon as power is supplied to the various loads. The fan creates a flow of air from outside to inside through the evaporative panels. The pump circulates the water to the distributors above the panels. -
Page 17: Cleaning And Maintenance
FRANCO s.r.l. User and maintenance manual ROOF COOLER 4 - CLEANING AND MAINTENANCE The operations described in this chapter must only be carried out by authorised and qualified personnel, using suitable personal protective equipment. Before carrying out any work, disconnect the power supply and cut off the water supply. - Page 18 FRANCO s.r.l. User and maintenance manual ROOF COOLER b) Replacement of evaporative panels Grid (Fig. 4.2.2) panel holder Panel The evaporative panels must be replaced if they evaporative are heavily soiled, encrusted or damaged. To do this, unscrew the screws on the side panel grills and gently pull the top off, releasing them from their position.
- Page 19 FRANCO s.r.l. User and maintenance manual ROOF COOLER e) Cleaning and replacing the pump (Fig. 4.2.5) Check the condition of the pump and remove any deposits of dirt. To replace: disconnect the pump's power cable from the mains and disconnect the water hose by loosening the clamp on the delivery side.
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Page 20: Technical Characteristics
FRANCO s.r.l. User and maintenance manual ROOF COOLER 5 - TECHNICAL CHARACTERISTICS 5.1 Overall dimensions 1150 1080 5.2 Technical data Versions with three- Versions with Versions without fan phase fan single-phase fan Maximum air flow rate m³/h 15000 15000 15000... -
Page 21: Electrical Connections
FRANCO s.r.l. User and maintenance manual ROOF COOLER 5.3 Electrical connections Use power cables with an appropriate cross-section according to the rated currents of the electrical components (see section 5.1). Ensure that the supply voltage complies with the data plate ratings. Install a differential magneto- thermal circuit breaker in the power supply system. - Page 22 FRANCO s.r.l. User and maintenance manual ROOF COOLER Versions with SINGLE-PHASE fan Versions with THREE-PHASE fan PUMP DISCHARGE PUMP DISCHARGE U - PHASE PHASE PHASE L - PHASE PHASE PHASE V - PHASE NEUTRA W - PHASE NEUTRAL N - NEUTRAL...
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Page 23: Spare Parts List
FRANCO s.r.l. User and maintenance manual ROOF COOLER 5.4 Spare parts list Use only original spare parts. When ordering spare parts, always specify the following: - Model and serial number - Part number - Quantity - Shipping address “BOTTOM" VERSION... - Page 24 FRANCO s.r.l. User and maintenance manual ROOF COOLER “TOP” VERSION “SIDE" VERSION...
- Page 25 FRANCO s.r.l. User and maintenance manual ROOF COOLER Pos. Code Description 2901010 Top panel (BOTTOM/SIDE version) 2901110 Water distribution pipe 2901000 Water collection tank 2901080 Motor bracket 6001013 TE screw M8x25 motor bracket fixing 6003053 Grower washer Ø8 motor bracket fixing 6003010 Flat washer Ø8x16 motor bracket fixing...
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Page 26: Problem-Solving Guide
FRANCO s.r.l. User and maintenance manual ROOF COOLER 6 - TROUBLESHOOTING GUIDE The operations described in this chapter must only be carried out by authorised and qualified personnel, using suitable personal protective equipment. Before carrying out any work, disconnect the power supply and cut off the water supply. - Page 27 FRANCO s.r.l. User and maintenance manual ROOF COOLER Clogged or dirty evaporative Clean or replace panels panels Check water quality Check supply water flow rate Evaporative panels not Check and clean the pipes of the supply properly wetted circuit Check pump operation...
- Page 28 FRANCO s.r.l. User and maintenance manual ROOF COOLER FRANCO s.r.l Head office and factory: Via Nazionale n. 80 - 12010 - CERVASCA (CUNEO) Italy Tel. (+39) 0171 611663 www.francosrl.com info@francosrl.com For reports or requests, please contact us at support@francosrl.com...
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