The Riello RLS 410/E MX is an automatic monobloc forced-draught Low NOx gas/light oil dual-fuel burner with progressive two-stage or modulating operation and a firing range of 640/1500–4200 kW.
Product Specification
- Forward-curved centrifugal fan and an acoustically lined air intake.
- Precision servomotor for combustion-air adjustment.
- Adjustable Low NOx dual-fuel combustion head.
- Air-pressure and maximum gas-pressure switches.
- LMV26 electronic burner management with AZL commissioning and monitoring display.
- UV flame sensor.
- Direct-on-line or star/delta fan motor starting, according to the motor version.
- Separate motor-driven high-pressure oil gear pump.
- Double oil safety valves on both the supply and return circuits.
- Oil/gas selector, flame inspection window and illuminated lockout reset.
- Motor contactor and resettable thermal relay.
- Hinged opening and lifting rings.
- On/off switch and manual/automatic output selector.
Electrical and Operating Data
- Fan motor supply: 230/400 V or 400/690 V, three-phase with neutral, 50 Hz.
- Fan motor speed: 2,900 rpm.
- Electrical protection: IP54.
- Fan motor power: 9.2 kW.
- Oil-pump motor power: 1.5 kW.
- Maximum electrical input: 10.6 kW on gas / 12.4 kW on oil.
- Modulation ratio at maximum output: 5:1.
- Burner control: LMV26.
- Light oil viscosity: 4–6 mm²/s (cSt) at 20°C.
- Duty: intermittent, with at least one shutdown every 24 hours.
Standard Equipment
- Gas-train adaptor and flange gasket.
- Four flange screws, four boiler mounting screws and a thermal screen.
- Two flexible oil hoses and two pump connection nipples with gaskets.
- Installation, operation and maintenance manual; spare-parts catalogue.
Progressive two-stage operation is available on both fuels. Continuous modulation requires an output regulator and temperature or pressure probe, supplied separately.
