42
Bentone BG550/650
General
20
13
7
9
19
8
6
5
4
3
1
17
2 16
10
11 18
14
15
12
13. MULTI-BLOC, MB-VEF 412-425 B01
1.
Electrical connection gas pressure switch mini
2.
Electrical connection gas valve
3.
Pressure switch mini
4.
Flange connection inlet
5.
Test point connection 1/8” before V
1
6.
Filter (on Multi-Bloc 425 external ilter)
7.
Data plate
8.
Connection 1/8" P
L
9.
Adjustment screw V for ratio P
Br
: P
L
(max. load)
10. Test point connection 1/8" before V
1
(before
governor)
11. Connection M4 for measurement of burner
pressure after V
2
12. Adjustment screw for zero point adjustment N
(min. load))
13. Test point connection 1/8” P
F
14. Test point connection 1/8” P
Br
(after V
2
burner)
15. Flange connection, outlet
16. Test point connection 1/8" P
a
befor V
2
(after
governor)
17. Indication of V
1
and V
2
in operation (not standard)
18. Impulse lange P
Br
(gas pressure)
19. Impulse line P
L
(air pressure)
20. Impulse line (ire room)
It is possible to connect a leakage control VPS 504 and a gas pressure switch maxi.
