The Riello GI/EMME 3000 is an automatic monobloc forced-draught gas/light oil dual-fuel burner with progressive two-stage or modulating operation and a firing range of 872/1744–3488 kW.
Progressive two-stage operation; continuous modulation with a load regulator and the corresponding probe.
Product Specification
- Forward-curved combustion-air fan.
- Servomotor-controlled air damper and fuel-regulating butterfly valve.
- Adjustable dual-fuel combustion head.
- Maximum gas-pressure switch and minimum air-pressure switch.
- Separate electric motors for the fan and oil pump.
- Gear pump with an integral filter, pressure regulator, pressure/vacuum gauge connections and a single-pipe conversion bypass.
- Double oil safety valves on the supply circuit and a safety valve on the return circuit.
- UV flame detection.
- Flame inspection window and slide bars for installation and servicing.
- Radio-interference filter.
Electrical and Operating Data
- Power supply: 400 V, three-phase, 50 Hz.
- Electrical protection: IP40.
- Auxiliary supply: 230 V, single-phase, 50 Hz.
- Burner control: LFL1.333.
- Modulation ratio at maximum output: 3:1.
- 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 gasket and insulating screen.
- Two flexible oil hoses and two pump connection nipples.
- Four electrical cable fittings and two pin extensions.
- Twelve boiler-flange screws and twelve washers.
- Installation, operation and maintenance manual; spare-parts catalogue.
Return nozzles: ordered separately.
