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Bentone B55/B65 RME
General
5. BASIC SETTINGS
5.1
Typical basic settings for B65-2
Choice of nozzle B65-2
Burner output = 770 kW
Nozzle Stage 1
770 x 0,6 = 460 kW
460 / 11,86 = 38,8 kg/h
Nozzle Stage 2
770 x 0,4 = 310 kW
310 / 11,86 = 26,1 kg/h
According to the table of nozzles this gives the
following nozzles:
Stage 1
8,50 Gph
Stage 2
6,00 Gph
Pump pressure
14 bar
Basic settings B65-2
Power outputs and nozzle choice from example.
Nozzle assembly Stage 2 = 15
Damper motor
Closed = 0°
Blue cam
Stage 1 = 25°
Orange cam
MV 2 = 50°
Black cam
Stage 2 = 65°
Red cam
The black cam for Stage 2 (MV 2) must be placed
between the cams for Stage 1 and Stage 2. The
positions of MV 2 are determined by the boiler
characteristics when switching between stages, but
for a basic setting the black cam should be placed in
the middle.