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PRESSURISED STEEL BOILERS REX 140-350 INSTALLATION, USE AND MAINTENANCE MANUAL REX_140_350_en_02 - 08/2019 Cooke Industries - Phone: +64 9 579 2185 Email: sales@cookeindustries.co.nz Web: www.cookeindustries.co.nz...
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INDEX General information Turbulator assembly Burner assembly Introduction Electrical connections Range Water treatment Compliance Limestone build-ups Warranty Limestone diagram Warnings Corrosion on water side Prohibitions System filling and emptying Hazards Identification Appliance description Preliminary checks Structure Commissioning Dimensions and connections Checks after commissioning Technical data Stop periods...
This manual contains important information and suggestions that must be observed for easier installation and best possible use of the appliance. IMPORTANT Failure to observe the instructions in this manual will void the warranty conditions. RANGE MODEL CODE MODEL CODE REX 140 83813010 REX 240 83816010 REX 160 83813020 REX 300 83817010 REX 180...
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Moreover, it must be carefully stored for subsequent consultations and must ALWAYS accompany the boiler during its entire life-cycle (from installation to disposal). In case of damage or loss, request a copy from ICI CALDAIE S.p.A. Technical Assistance Service.
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In case of loss, request a copy to the Technical Assistance Service of ICI CALDAIE S.p.A. providing the serial number indicated in the CONSTRUCTION CERTIFICATE - WARRANTY or the sale delivery note.
APPLIANCE DESCRIPTION High-efficiency ICI CALDAIE S.p.A. REX steel boilers must be used for heating systems with water temperature within 60° and 100°C and/or in a system for domestic hot water production, within the limits of their performance and power. The chosen control panel should be equipped with a safety thermostat with manual reset from 110°C.
CONTROL PANEL The control panels which can be installed on REX boilers are mentioned in the table. They must be ordered separately from the boiler and for to their technical and installation characteristics refer to the manual provided with the panel. To choose the most appropriate control panel for the system refer also to the CATALOGUE , and to use it refer to the manual supplied with the control panel.
IMPORTANT PACKAGING: as for the package, ICI CALDAIE S.p.A. complies with the specific recycling systems of each country, ensuring an optimal reuse of them. All the materials used for the packaging respect the environment and can be recycled, such as wood, plastic, cardboard.
HANDLING boilers are equipped with fittings for lifting operations and, in any case, they must be carefully moved with equipment suitable for their dimensions and weights. ATTENTION The Personal Protective Equipment required by current legislation must be used. INSTALLATION ROOM The REX boiler installation room must be for exclusive use, meet the Technical Standards and Legislation in force and equipped with adequately sized ventilation openings.
The components shall be charged to the installer that, at the end of the works, must issue a declaration of conformity. IMPORTANT ICI CALDAIE S.p.A. is not liable for any harm to people, animals or property damage caused by errors in the choice of components or in the construction of the plant.
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FLUE GAS DISCHARGE AND COMBUSTION AIR SUCTION The smoke duct and the connection to the chimney must be built in compliance with the Standards and the Laws in force, with rigid pipes, resistant to the temperature, condensate, mechanical stresses and sealed. IMPORTANT The smoke duct must have a diameter equal to or larger than the boiler fitting.
CONTROL PANEL INSTALLATION NOTE The image of the control panel is only indicative as it may vary depending on the installed model. – Choose the installation side of the control panel (RH or LH), remove the covers (1) and break the pre-cut opening (2) –...
FRONT DOOR OPENING The door is adjusted in the factory with standard opening to the left (Sx) and hinges on the right (Dx). DANGER It is DANGEROUS TO UNSCREW the ferrules (8) on the side of the hinges. This may cause the door to detach, with possible serious harm to people and property damage.
FRONT DOOR ADJUSTMENT DANGER Incorrect door adjustment with consequent damage to people and property voids the warranty conditions. DOOR ADJUSTMENT (OPENING ON THE RIGHT) VERTICAL ADJUSTMENT To make the adjustment: – with the door ajar, loosen the counter-nuts (1) of the hinge units –...
IMPORTANT Connect the earth cable to an effective earthing system. ICI CALDAIE S.p.A. is not liable for any damage caused by the lack of the earthing system and the failure to comply with the instructions of the wiring diagrams.
WATER TREATMENT The thermal system water must comply with the Laws in force, therefore it is good practise to use treatment units when the line water is particularly rich in calcium carbonate, which causes scale build-ups and corrosion. The table includes some indicative values: Characteristics Scale Filling water...
SYSTEM FILLING AND EMPTYING FILLING – Before filling the system, disconnect the power supply by positioning the system main switch to “ OFF ” and check that the drain valve of the boiler is closed – open the filling valve of the boiler and the shut-off valve of the water system and allow the water to enter slowly, in quantities proportional to the venting capacity of the automatic or manual air separators, and until the expansion vessel pre-filling static pressure value can be read on the manometer –...
PRELIMINARY CHECKS Before commissioning the boiler and carrying out the functional tests, check that: – the turbulators are installed – the system has been filled and the hydraulic circuit pressure, in a cold state, is correct – the flue gases are correctly discharged and there are correctly dimensioned vents –...
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Combustion guide values: FUEL Flue gas temperature % CO 190°C 0 – 20 ppm Diesel fuel 195°C 10 – 80 ppm Nafta 13,5 200°C 50 – 150 ppm A diagram determines the boiler efficiency according to the flue gas and air temperature and the carbon dioxide percentage (%CO ), but without considering the losses through the boiler casing.
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STOP PERIODS SHORT PERIODS OF TIME In case of system switch-off for a short period of time: – position the central panel switches and the control panel switch to “ OFF ” IMPORTANT If the external temperature is below ZERO: –...
Maintenance Periodic maintenance is prescribed by Law and must be performed only by qualified personnel, at least once a year or more frequently, depending on the boiler output and on the fuel used. The boiler maintenance and cleaning operations are essential for its safety and to keep its efficiency high, extending its service life. IMPORTANT Before performing any maintenance or cleaning: –...
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– remove the inspection door of the smokebox – clean the surfaces of tube bundle and combustion chamber with a brush (4) and/or other suitable tools – suck, through the smokebox cleaning door, any deposit build-up. If necessary, remove the smokebox and replace the gasket before refitting it. Once the cleaning operation is completed, reassemble all the components, replacing those worn out and operating by following the previous procedure in the reverse order.
ENVIRONMENTAL PROTECTION AND DISPOSAL Protection and respect for the environment is a fundamental principle for ICI CALDAIE S.p.A. . The quality of products, lower costs and protection of the environment are of equal importance for the company. ICI CALDAIE S.p.A.
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EXPLODED VIEWS OF DRAWINGS Ring nut for flame inspection window Flame inspection window gasket Flame inspection window glass Pressure test point on flame inspection window Complete door Door Door fibreglass braid Isolcart insulating panels between burner and door Burner nosepiece mat kit Flow and return gaskets Turbulators Smokebox...
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Once registered, authenticate your e-mail address by clicking on the link that will be sent by e-mail to the provided inbox. An additional e-mail will then be received with the credentials to access all services specifically developed by ICI CALDAIE S.p.A.
Company certified according to ISO 9001, OHSAS 18001 & ISO 14001 icicaldaie.com DECLARATION OF CONFORMITY WITH EUROPEAN COMMUNITY STANDARDS The undersigned Emanuela Lucchini, CEO of ICI CALDAIE S.p.A., with registered office in Via G. Pascoli, 38 - 37059 Campagnola di Zevio (VR), Italy. Declares that the boilers: REX/REX F...
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