Cuenod C 430 GX 507/8 T2 [12/56] Description and settings vgd gas valve skp75 regulator

Cuenod C 430 GX 507 T2 [12/56] Description and settings vgd gas valve skp75 regulator
05/2008 - Art. Nr. 13 013 503D12
Start-up
Description and settings
VGD gas valve
SKP75 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
Setting gas pressure switch
• Remove transparent cover.
Unit includes a | index and a
movable graduated disk.
• Provisionally set the pressure
switch at the minimum value
shown on the graduated disk.
Gas valve
opening
indicator
R ratio
indicator
D value
indicator
The VGD valve associated with
SKP75 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.
Burner C 285 GX 507/8
Ga
z
P
40.06
5
40.08
(Screw
R
)1 2
(Screw
D
)2 1,4
Burner C 330 GX 507/8
Ga
z
P
40.06
5
40.08
(Screw
R
)2
(Screw
D
)1,4
(Screw
R
)1
(Screw
D
)2
Burner C 380-430 GX 507/8
Ga
z
P
40.06
5
40.08
(Screw
R
)1
(Screw
D
)2
VGD
VGD
G20 20 - 40
VGD
G2 0 1 5 0
G2 0
40
150

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