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Summary of Contents for Riello RDB3
- Page 1 Burner Setup Details Riello RDB3 38/52 kW 56/70 kW Please read these instructions carefully before commissioning and using this appliance. To be retained by the householder...
- Page 2 HEALTH AND SAFETY INFORMATION FOR THE USER, INSTALLER AND SERVICE ENGINEER Under the Consumer Protection Act 1987 and the Health and Safety at Work Act 1974, it is a requirement to provide information on substances hazardous to health (COSHH Regulations 1998).
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Page 3: Table Of Contents
CONTENTS Page no. Technical specifications Burner set-up Combustion air / adjustment Oil pump Nozzle replacement Electrode positions Burner removal Control box wiring / removal Fault-finding 10–11 Spares 12–13... -
Page 4: Technical Specifications
TECHNICAL SPECIFICATIONS Model Riello RDB3 Ignition 8 kV / 16 mA 230/280 V – 50 Hz fused at 5A Electrical supply Control box RBL 535 SE/LD analogue Motor RBL 150W Pump Fuel 2,750 Kerosene C2 Capacitor Power 5 uF 0.16 kW... -
Page 5: Combustion Air / Adjustment
COMBUSTION AIR To conform to Efficiency Directive 92/42/EEC, the concentrations of CO and CO in the flue gases must be verified. As combustion air can be taken from the room in which the boiler is situated or from outside, there may be variations in the ratio depending on the combustion air temperature. -
Page 6: Oil Pump
OIL PUMP 1 – Suction line 2 – Return line 3 – Bypass screw 4 – Pressure gauge connection / air bleed point 5 – Pressure adjustment 6 – Suction gauge connection 7 – Solenoid valve 8 – Auxiliary pressure test point Fig 4 If the burner goes to a lockout state due to a lack of oil pressure, the pump may require priming. -
Page 7: Nozzle Replacement
NOZZLE REPLACEMENT Switch off the electrical supply to the burner Taking care not to damage the electrodes, and isolate the oil supply. remove the nozzle with an appropriate socket or box spanner (fig 6) Remove the burner plug from the boiler control box. -
Page 8: Electrode Positions
ELECTRODE POSITIONS Fixed Head Important: Before removing or assembling the nozzle, loosen the screw (B) and move the electrodes ahead. Fig 7 BURNER REMOVAL To remove the burner (2), unscrew the nut that holds it to the mounting flange (1) and pull away, leaving the mounting flange and gasket (5) attached to the boiler (4). -
Page 9: Control Box Wiring / Removal
CONTROL BOX WIRING HS – Mains switch ST – Limit thermostat RT – Control thermostat Fig 9 RBL 535 SE/LD Analogue CONTROL BOX REMOVAL To remove the control box: 1 – Loosen the screw (1) and open lid (2). 2 – Remove all components. 3 –... -
Page 10: Fault-Finding
BURNER FAULT-FINDING Note: before making any electrical checks or modifications, ensure the mains supply to the boiler is switched off. Fault Possible cause Action Control box locked out Press red reset button on burner Press red reset button on rear of control panel; High limit thermostat tripped check function of boiler thermostat Burner will not start... -
Page 12: Spares
SPARES TR Eng Riello TR Eng Riello Item Description Code Code Code Code Full burner RDB3 224823 ******* 224824 ******* Mounting flange 225001 3008637 ****** ******* Blast Tube Assembly 225003 3002572 ****** ******* Diffuser Disc 225004 3002571 ****** ******* Nozzle Holder... - Page 14 TR ENGINEERING LTD Thorncliffe, Chapeltown Sheffield S35 2PH Tel: (0114) 257 2300 Fax: (0114) 257 1419 www.trianco.co.uk Copyright in this brochure and the drawings and illustrations contained within are vested in TR Engineering Ltd and neither the brochure nor any part thereof may be reproduced without prior written consent. TR Engineering’s policy is one of continuous research and development.
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