01/2009 - Art. Nr. 4200 1016 3900A
20
Function
Gas train VR4625 / MB-DLE 407
The compact unit VR4625 with
integrated gas pressure regulation is
suitable for the operation of single-stage
forced-draught gas burners.
The compact gas train is registered
under the no.: CE-0063AP3090
Technical specifications
Inlet pressure
15-60 mbar
Ambient temperature
0 to +60 °C
Voltage 230 V / 50 Hz
Power consumption
19 W
Protection level
IP40
Gas connection
Rp 1/2"
Operation
When voltage is applied to the magnet
coils, valve
Y12
and valve
Y13
open.
The valve seating is protected against
contamination by an upstream fine
screen. The installed pressure regulator
controls the desired outlet pressure.
The required adjustment values for:
- Gas pressostat
- Gas pressure regulator
- Initial gas pressure (MB-DLE407)
can be set using the adjusting screw.
Inlet and outlet pressure can be
measured at the measuring nipples.
F4
Pressure switch (adjusting
screw under the cover)
Y12
Safety valve
Y13
Main valve
2
Valve electrical connection
8
Inlet flange
9
Pressure switch electrical
connection
104/C
Setting screw for pressure
regulator
106
Gas screen
119
Measuring nipple for gas inlet
119.1
Measuring nipple for gas
pressure in valve space
119pBr Measuring nipple for gas outlet
VR4625
MB-DLE 407
The compact unit with integrated MB-
DLE 407 gas pressure regulation is
suitable for the operation of single-stage
forced-draught gas burners.
The compact gas train is registered
under the no.: CE-0085AP3156
Technical specifications
Inlet pressure
13-360 mbar
Ambient temperature
-15 to +60 °C
Voltage
230 V / 50 Hz
Power consumption
46 W
Protection level
IP54
Gas connection
Rp 3/4"
