User Manual

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Building Technologies Division CC1N7668en
10.11.2017
Function (cont´d)
1
9
11
2
3
4
510
Gas / air mixture
Air
12
13
6
7
8
7668z04e/1008
1
9
11
2
3
4
5
10
Gas / air mixture
Air
12
13
6
7
8
7668z05e/1008
14
15
1 Main safety shutoff valve (class B) 9 Inlet pressure
2 Operating valve 10 Outlet pressure
3 Gas / air ratio regulator 11 Filter
4 Servo diaphragm 12 Fan for combination air
5 Connection for air pressure 13 Gas nozzle
6
Gas inlet governor (class C)
14 Gas pressure at ratio regulator
7 2
nd
shutoff valve (control cone) 15 Main gas flow throttle
8 Main diaphragm
Sectional view of
VGU7xS
Sectional view of
VGU8xS
Legend