Siemens FIDAMAT 5E - Page 40

Fig. 11.4 FIDAMAT 5E-AS for shed measurements
Damping
Combustion air
cut-off
1
3
2
Combustion
air
Mechanical pressure
regulator
Solenoid
valve
Measuring
chamber
Oven (heated up to 230 ˚C)
Pressure
sensor
Restrictors
Mechanical
pressure
regulator
Pressure
sensor
Flow
sensor
Gas outlet
Bypass
Combustion
gas
Shed
valve
Pump 2
Solenoid valves 2 and 3 open in de-energized state
all other solenoid valves closed in de-energized state
Excess flow
during
calibration
Sample
gas
7
Option
Calibration
gas (1)
Zero gas
6
A-4