38
0306 / 13 013 497A
Start-up
Description and settings
VGD gas valve
SKP70 regulator
1
Pressure switch electrical
connection (DIN 43650)
2
Solenoid electrical connection
(DIN 43650)
3
Pressure switch
4
Intake flange
5
Pressure take-off G 1/8 before
the filter
6
External filter DN65
7
Identification plate
8
Air pressure
pL
G 1/8 connection
9
Adjusting screw
R
of gas flow/air
flow ratio
12
Adjusting screw
D
for correcting
zero point
13
Connection G 1/8 for combustion
chamber pressure
pF
14
Connection G 1/8 for gas
pressure
pBr
15
Outlet flange
16
pBr - pL - pF
pressure take-off
pipes
The VGD valve associated with SKP70
regulator ensures a constant gas
flow/air flow ratio and is quick-acting.
The regulator also takes into account
combustion chamber
pF
pressure.
The valve is delivered preset according
to table here below.
Setting gas pressure switch
•
Remove transparent cover.
Unit includes a
↑ | ↓
index and
graduated mobile disk.
•
Provisionally set pressure switch to
the minimum value shown on
graduated disk.
R
ratio
indicator
D
value
indicator
Gas valve
openig
indicator
Burner C75 B 517/8
Gas
P
VGD
20.507 40.065
G20
20
d
(Vis
R
)
2
d
(Vis
D
)
1,4
Burner C100 B 517/8
G20
20
d
(Vis
R
)
2
2
d
(Vis
D
)
1,4
1,3
Summary of Contents for C 100 B 517
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