Riello RS 50 User Manual

Installation, use and maintenance instructions
20144599 (1) - 02/2018
Forced draught gas burners
Progressive two-stage operation
CODE MODEL TYPE
3783302 RS 28 809 T1
3784402 RS 38 810 T1
3784403 RS 38 810 T1
3784502 RS 38 810 T1
3784503 RS 38 810 T1
3784702 RS 50 811 T1
3784703 RS 50 811 T1
GB

Riello RS 50 Specifications

General

Fuel Type	Light Oil
Burner Technology	Monoblock
Operation	Two Stage
Control	Electronic
Air Regulation	Mechanical
Combustion Head	Adjustable
Electrical Supply	230V / 50Hz

Summary

3 Safety and prevention

3.2 Personnel training

Specifies responsibilities and training requirements for personnel operating and maintaining the burner.

4 Technical description of the burner

4.1 Burner designation

4.2 Models available

4.4 Technical data

Provides detailed technical specifications including output, fuel, operating conditions, and noise levels for various burner models.

4.5 Electrical data

Details electrical requirements and specifications for different burner models, including supply voltage and power consumption.

4.8 Firing rates

4.10 Burner description

4.11 Control box RMG88...

4.12 Servomotor SQM..

5 Installation

5.1 Notes on safety for the installation

Crucial safety precautions and warnings to be observed before and during the burner installation process.

5.2 Handling

5.3 Preliminary checks

5.5 Preparing the boiler

5.7 Positioning the probe - electrode

5.8 Combustion head adjustment

5.9 Gas supply

5.9.1 Gas feeding line

5.9.3 Gas train installation

5.9.4 Gas pressure

5.10 Electrical connections

Notes on safety for the electrical wiring

Essential safety precautions for electrical wiring, including disconnections, earthing, and cable types.

5.11 Thermal relay adjustment (RS 38-50 THREE-PHASE)

6 Start-up, calibration and operation of the burner

6.1 Notes on safety for the first start-up

Safety guidelines and requirements for qualified personnel performing the initial burner start-up.

6.2 Adjustments prior to ignition

6.3 Burner start-up

6.4 Burner ignition

6.5 Burner adjustment

6.5.1 Output upon ignition

6.5.2 Output in 2nd stage

6.5.3 Output in 1st stage

6.6 Pressure switch adjustment

6.6.1 Air pressure switch

Procedure for adjusting the air pressure switch to ensure correct operation and limit CO emissions.

6.6.2 Gas minimum pressure switch

Steps for adjusting the minimum gas pressure switch to prevent burner lockout due to low gas pressure.

6.6.3 Flame presence check

6.7 Servomotor adjustment

6.8 Burner operation

6.8.1 Burner start-up

6.8.2 Full-running operation - System equipped with TR remote control

6.8.3 Ignition failure

Details the conditions leading to ignition failure and subsequent lockout, including troubleshooting steps.

6.9 Burner start-up cycle diagnostics

6.9.1 Resetting of control box and diagnostics use

Instructions for using the control box diagnostics function to identify and reset malfunctions via LED indicators.

6.9.2 Control box reset

6.9.3 Visual diagnostics

6.9.4 Software diagnostics

7 Maintenance

7.1 Notes on safety for the maintenance

Critical safety precautions for performing maintenance, including electrical disconnection and fuel shut-off.

7.2 Maintenance programme

7.3 Opening the burner

7.4 Closing the burner

8 Faults - Possible causes - Solutions