The Riello RS 120/E BLU is an automatic monobloc forced-draught Low NOx gas burner with progressive two-stage or modulating operation and a firing range of 300/600–1300 kW.
Progressive two-stage operation or continuous modulation with a load regulator and probe.
Product Specification
- Backward-curved centrifugal fan and a sound-insulated air intake.
- Independent stepper-motor actuators for the air damper and gas butterfly valve.
- Adjustable Low NOx combustion head with a stainless-steel end cone, ignition electrodes, ionisation probe, gas distributor and flame-stabilising disc.
- Minimum air-pressure switch.
- Digital burner management with a display interface for system adjustment.
- On/off switch.
- Flame inspection window and slide bars for installation and servicing.
- Radio-interference filter.
- Maximum gas-pressure switch.
Electrical and Operating Data
- Power supply: 400 V, three-phase with neutral, 50 Hz.
- Motor speed: 2,800 rpm.
- Electrical protection: IP44.
- Fan motor power: 2.2 kW.
- Total electrical input: 2.8 kW.
- Modulation ratio at maximum output: 3:1.
- Burner control: REC27.
- Duty: intermittent, with at least one shutdown every 24 hours.
- Auxiliary supply: 230 V, single-phase, 50 Hz.
Standard Equipment
- Gas-train connection flange, flange gasket and four fixing screws.
- Thermal screen and four boiler-flange fixing screws.
- Pressure switch for the valve-proving system.
- Installation, operation and maintenance manual; spare-parts catalogue.
