03/2013 - Art. Nr. 4200 1032 7200A10
Operation
MB-VEF gas train
The MBVEF compact gas valve
assembly is a combination of filter, gas/
air ratio regulator, valves and a pressure
switch:
- Screen with 0.8mm mesh
- GWA5 pressure switch
- Servo-pressure control part with
adjustable ratio V, correction of the
zero point offset N and furnace
pressure connection.
- V1 and V2 fast-opening and closing
solenoid valves
Technical data
Input pressure 360 mbar max.
Ambient temperature -15 to +70°C
Voltage 230 V/ 50 Hz Max.
Absorbed output 50 VA
Protection rating IP 54
1 Electrical connection of solenoid
valves (DIN 43650)
2 Electrical connection of the
gas pressure switch (DIN 43650)
3 Gas pressure switch
4 Inlet flange
5 Pressure measuring nipple
R1/8, upstream of filter (option)
6 Filter (under the cover)
7 Connection for furnace pressure
release pipe pF, R1/8
8 Adjusting screw for V ratio
9 Adjusting screw for zero point
offset N
10 Connection for pressure pipe pL,
R1/8
11 Connection for pressure pipe pBr,
R1/8
12 Outlet flange
13 Pressure take-off pipe pBr