Riello PRESS 4G Installation, Use And Maintenance Instructions page 3

The burner is drawn for on-off operation and high-low operation.
Minimum firing-rate at on-off operation is 70 kg/h (two nozzles) and 35 kg/h (one nozzle) with high-low operation.
DIMENSIONS OF THE TEST COMBUSTION-CHAMBER (DIN 4787)
D = Boiler diameter in mm
P = Position of the mobile
back in mm
2915904
PRESSURE IN THE COMBUSTION CHAMBER - OUTPUT
(in compliance with DIN 4787)
Specific thermal test load
2
Burner output kg/h