The Riello PRESS 4G is an automatic monobloc forced-draught light oil burner with two-stage operation and a firing range of 415/830–1660 kW.
Product Specification
- Forward-curved fan and combustion-air intake lined with sound-insulating material.
- Hydraulic actuator controlling the combustion-air damper.
- Fan-pressure test point.
- Adjustable combustion head with a stainless-steel end cone, ignition electrodes and flame-stabilising disc.
- Gear pump with an integral filter, pressure regulator, pressure/vacuum gauge connections and a single-pipe conversion bypass.
- Two oil-delivery valves.
- Photocell flame detection.
- Microprocessor burner safety control with diagnostic functions.
- Slide bars for installation and servicing.
- Radio-interference filter.
- Air damper remains open when the burner is stopped.
Electrical and Operating Data
- Power supply: 400 V, three-phase with neutral, 50 Hz.
- Motor speed: 2,800 rpm.
- Electrical protection: IP44.
- Total electrical input: 3.80 kW.
- Auxiliary supply: 230 V, single-phase, 50 Hz.
- Light oil viscosity: 4–6 mm²/s (cSt) at 20°C.
Standard Equipment
- Two flexible oil hoses with gaskets and two pump connection nipples.
- Four boiler-flange fixing screws and a thermal screen.
- Installation, operation and maintenance manual; spare-parts catalogue.
