Related Manuals for Riello COH 280
Summary of Contents for Riello COH 280
- Page 1 Installation, use and maintenance instructions Kerosene and gas oil burner One stage operation CODE BOULTER CODE MODEL TYPE 3748962 8-716-111-556 COH 280 490 T51 2902785 (16) - 08/2022...
- Page 2 Original instructions...
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Page 3: Table Of Contents
Contents Declaration....................................3 Information and general warnings............................4 Information about the instruction manual........................4 2.1.1 Introduction ..................................4 2.1.2 General dangers ................................4 2.1.3 Other symbols................................. 4 2.1.4 Delivery of the system and the instruction manual ......................5 Guarantee and responsibility ............................5 Guidance for the use of bio fuel blends up to 10% where gas oil use is permitted by the appliance Manufacturer .. - Page 4 Contents Burner start-up cycle ..............................21 Maintenance ....................................22 Notes on safety for the maintenance..........................22 Maintenance programme ..............................22 9.2.1 Maintenance frequency ..............................22 9.2.2 Checking and cleaning ..............................22 9.2.3 Safety components................................23 Maintenance position ..............................23 10 Faults - Probable causes - Solutions ............................24 2902785...
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Page 5: Declaration
Declaration Declaration Declaration of Conformity in accordance with ISO / IEC 17050-1 These products are in compliance with the following Technical Standards: • EN 12100 • EN 267 According to the European Directives: 2006/42/EC Machine Directive 2014/35/EU Low Voltage Directive EMC 2014/30/EU Electromagnetic Compatibility The quality is guaranteed by a quality and management system certified in accordance with ISO 9001:2015. -
Page 6: Information And General Warnings
Information and general warnings Information and general warnings Information about the instruction manual 2.1.1 Introduction WARNING: MOVING PARTS The instruction manual supplied with the burner: This symbol indicates that you must keep limbs is an integral and essential part of the product and must not away from moving mechanical parts;... -
Page 7: Delivery Of The System And The Instruction Manual
All components within the hydraulic circuit suitable for burner is integral and complete. bio fuel use and supplied by Riello will be identified as Bio com- patible. No warranty is given in relation to the use of components Failure to observe the information given in this which are not so identified with bio fuel blends. -
Page 8: Guidance For The Use Of Bio Fuel Blends Up To 10% Where Gas Oil Use Is Permitted By The Appliance Manufacturer
To ensure consistency, the supplier of the fuel must be able to In no event shall Riello (and its subsidiaries) be liable for any in- demonstrate compliance with a recognised Quality Control and... -
Page 9: Safety And Prevention
Safety and prevention Safety and prevention Introduction The burners have been designed and built in compliance with the type and pressure of the fuel, the voltage and frequency of the current regulations and directives, applying the known technical electrical power supply, the minimum and maximum deliveries for rules of safety and envisaging all the potential danger situations. -
Page 10: Technical Description Of The Burner
Technical description of the burner Technical description of the burner Technical data MODEL COH 280 Output – Thermal power 4 – 10 kg/h (with air at 20°C) 47.45 – 120 kW Fuel Kerosene, viscosity 1.6 – 6 mm /s at 20 °C (Hi = 11.97 kWh/kg) -
Page 11: Burner Dimensions
Technical description of the burner Burner dimensions Flange Burner 69.5 D4267 Fig. 2 Firing rate The MAXIMUM OUTPUT is chosen from within the diagram area The work point may be found by plotting a vertical line from the (Fig. 3). desired delivery and a horizontal line from the pressure in the combustion chamber. -
Page 12: Installation
Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner will The installation of the burner must be carried out be installed, and arranging the correct lighting of the environ- by qualified personnel, as indicated in this manual ment, proceed with the installation operations. -
Page 13: Installer/Servicer Notes For The Use Of Gas Oil With Bio Blends Up To 10
The burner hydraulic components and flexible oil lines must burner technical manual). be suitable for bio fuel use (check with Riello if in doubt). If a Bio blend is in use the installer must seek information Riello have carefully chosen the specification of the bio com-... -
Page 14: Boiler Fixing
Installation Boiler fixing Fix the bolt 6) and nut 7) onto the flange 1) as in Fig. 6. Fix the flange 1) to the appliance 4) using the supplied bolts 2) and nuts 3) with the gasket 5) in-between as in Fig. -
Page 15: Mounting The Burner
Installation Mounting the burner BF Application The temperature of the incoming air must not exceed 70 °C. CAUTION For correct BF application, the burner must be in- stalled on an appropriate BF boiler. WARNING In case of BF applications, the combustion air supply is through a flexible or rigid pipe connected to the air intake A)(Fig. -
Page 16: Hydraulic Systems
2)(Fig. 9), screw the by-pass screw 3),supplied as Bio blend, it will be essential to use flexible oil burner equipment and then screw the return hose. lines suitable for bio fuel use. WARNING Please contact Riello for further information. D10934 Fig. 9 Key (Fig. 9) Suction line... -
Page 17: One Pipe System
Usually the tank is lower than the burner. You are advised to use additional filters on the fuel supply line. Riello recommends a good quality fuel filter at the CAUTION tank (Fig. 10 - Fig. 11) and a secondary filter (60 ... -
Page 18: Two Pipe System
You are advised to use additional filters on the fuel supply line. Riello recommends a good quality fuel filter at the CAUTION tank (Fig. 12) and a secondary filter (60 for gas oil and 15 for kerosene) are used to protect the burner pump and nozzle from contamination. -
Page 19: Electrical System
Electrical system Electrical system Notes on safety for the electrical wiring The electrical wiring must be carried out with the electrical supply disconnected. Electrical wiring must be carried out by qualified personnel and in compliance with the regulations currently in force in the country of destination. -
Page 20: Electrical Wiring
Electrical system Electrical wiring 7.2.1 Control box 50Hz - 230V This operation must be performed with the burner turned off and mains power disconnected. DANGER To remove the control box (Fig. 14) from the burner follow of the Main switch instruction: T6 A ... -
Page 21: Start-Up, Calibration And Operation Of The Burner
Start-up, calibration and operation of the burner Start-up, calibration and operation of the burner Notes on safety for the first start-up The first start-up of the burner must be carried out Check the correct working of the adjustment, com- by qualified personnel, as indicated in this manual mand and safety devices. -
Page 22: Nozzles Installation
Start-up, calibration and operation of the burner Nozzles installation The burner complies with the emission requirements of the The use of nozzles other than those specified by EN 267 standard. In order to guarantee that emissions do not vary, manufacturer inadequate regular recommended and/or alternative nozzles specified by the manu-... -
Page 23: Burner Start-Up Cycle
Start-up, calibration and operation of the burner Diffuser disc unit and electrodes setting To adjust the diffuser disc unit, proceed as follows: Loosen the screw 1)(Fig. 17) and move the diffuser disc unit up to level A. Tighten the screw 1). To adjust the electrodes unit, proceed as follows: ... -
Page 24: Maintenance
Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, Before carrying out any maintenance, cleaning or checking oper- safety, yield and duration of the burner. ations: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time. -
Page 25: Safety Components
Maintenance Boiler 9.2.3 Safety components Clean the boiler as indicated in the appliance accompanying in- The safety components must be replaced at the end of their life structions in order to maintain all the original combustion charac- cycle indicated in Tab. F. The specified life cycles do not refer to teristics intact, especially the flue gas temperature and the warranty terms indicated in the delivery or payment combustion chamber pressure. -
Page 26: Faults - Probable Causes - Solutions
Faults - Probable causes - Solutions Faults - Probable causes - Solutions Here below you can find some causes and the possible solutions When lock out lamp lights the burner will attempt to light only after for some problems that could cause a failure to start or incorrect pushing the reset button. - Page 28 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com Subject to modifications...