The Riello RS 310/E BLU is an automatic monobloc forced-draught Low NOx gas burner with progressive two-stage or modulating operation and a firing range of 400/1200–3630 kW.
Product Specification
- Forward-curved centrifugal fan and an acoustically lined air intake.
- Electronic-cam air/fuel ratio control with precision servomotors.
- Adjustable combustion head with a stainless-steel end cone, ignition electrodes, ionisation flame sensing and a flame-stabilising disc.
- Air-pressure switch and maximum gas-pressure switch with a pressure test point.
- Burner safety control for ignition sequencing and flame supervision.
- Direct-on-line or star/delta fan motor starting, according to the motor version.
- Main electrical terminal board, motor contactor and resettable thermal relay.
- On/off switch, manual/automatic output selector and illuminated lockout reset.
- Hinged burner opening and lifting rings.
Electrical and Operating Data
- Fan motor supply: 230/400 V or 400/690 V, three-phase with neutral, 50 Hz.
- Motor speed: 2,900 rpm.
- Electrical protection: IP54.
- Fan motor power: 7.5 kW.
- Maximum electrical input: 9.1 kW.
- Modulation ratio at maximum output: 5:1.
- Burner control: REC27 for FS1; REC37 for FS2.
- Duty versions: FS1: at least one shutdown every 24 hours; FS2: continuous-duty version.
Standard Equipment
- Gas-train adaptor, gasket and M16 × 70 fixing screws.
- Thermal insulation screen and M18 × 60 boiler-flange fixing screws.
- Electrical cable-grommet kit.
- M16 studs and nuts for the gas-elbow connection.
- Valve-proving pressure switch for installation on the gas train.
- Installation, operation and maintenance manual; spare-parts catalogue.
