Finterm Joannes G 50/2 Manual De Instrucciones De Manejo Y Mantenimiento página 51

SETTING THE GAS FLOW RATE FOR THE MODULATING MAIN SOLENOID VALVE
Working diagram MB-VEF
V1 Main valve 1
V2 Main valve 2
V3 Control valve 3
V4 Control valve 4
M Working membrane
D Reduction point
V Ratio setting
N Zero point correction
A, b, c Pressure rooms in the direction of the
flow
pBr Pressure to the burner
pF Pressure to the combustion chamber
peme Pressure to the ambient
pL Blowing pressure
1,3,4 Screw cap G 1/8
2, 6 Meter connection, optional
5 Socket screw M4
7,8,9 Impulsive lines pL, pF, pBr
Setting ratio
Correcting "0" point
Inlets, diagram of GAS
14
GB
FIG. 15
FIG. 16