Compact Valve Assembly - elco VECTRON Betriebsanleitung

Function
Compact valve assembly MBVEF
The MBVEF compact gas valve
assembly is a combination of filter,
gas / air regulator, valves and pressure
switches:
fine 0.8mm mesh filter
–
GWA5 pressure switch
–
servo pressure regulator unit with
–
adjustable V ratio, correction of zero
value N and furnace pressure
connection
V1 and V2 fast-opening and closing
–
magnetic valves
Input pressure pe: 20-100 mbar
Voltage, frequency: 230V, 50-60Hz
Burner G 05.700 DUO PLUS
Gas: pressure(s) VEF
E-Gas: 20, 25 V
LL-Gas: 20, 25
N
E-Gas : 50, 100 V
LL-Gas: 50, 100
N
F-Gas : 37, 50 V
N
Bold print: factory supply
28
V
Gas-pressure switch adjustment
· Remove transparent cover.
Adjustment is carried out by turning
the adjustment screw with circular
scale and index x.
· Adjust provisionally to minimum
setting.
Burner G 05.1000 DUO PLUS
Gas: pressure(s)
412 420
E-Gas: 20, 25
1,25
LL-Gas: 20, 25
0
E-Gas : 50, 100
1,35
LL-Gas: 50, 100
-0,5
F-Gas : 37, 50
1,35
-0,5
Bold print: factory supply
03/2005 - Art. Nr. 13 018 104A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
N
15
16
17
18
VEF
412 420
V
1,25
N
0
V 1,35
N -0,5
V 1,35
N -0,5
Electrical connection for gas
pressure switch (DIN 43650)
Electrical connection for magnetic
valves (DIN 43650)
Gas control device
Input flange
Pressure measuring nipple R1/8,
ahead of filter (both sides)
Filter (under cover)
Type plate
Connection for air pressure pipe
pL R1/8
Setting screw for V ratio
Pressure measuring nipple pe,
ahead of valve 1, both sides
Gas pressure measuring nipple
M4 after valve 2
Setting screw for zero value N
Connection for furnace pressure
take-off pipe pF, R1/8
Connection for gas pressure
take-off pipe pG, R1/8
Output flange
Pressure measuring nipple pa
after valve 1, both sides
V1 and V2 valve operation
indicator
Pressure release pipes