First start-up
36
5
Figure
5.1
Gas valve
A
O
ff
set pressure intake
B
Gas mains pressure intake
C
O
ff
set adjustment screw
D
Throttle adjustment screw
B
A
C
D
Table
5.1
R15 gas valve setting table
Gas
Gas network
pressure
Screw pre-adjustment
O
ff
set pressure
CO
2
percentage in fumes
Throttle
O
ff
set
nominal
Minimal heat input
Nominal heat input
Type
mbar
turns
turns
Pa
%
%
G20
See Table
3.1
-10
½
-3
¾
-10
8,7
9,3
G25
full open
-3
-5
8,6
9,2
G25.1
-10
½
-3
¾
-10
10,2
10,7
G25.3
full open
-3
¾
-10
8,6
9,2
G27
-12
-3
¾
-10
9,0
9,5
G2.350
full open
-3
¾
-10
8,6
9,1
G30
-7
-3
¾
-10
9,9
10,3
G31
full open
-3
¾
-10
10,0
10,5
LPG
-9
-3
¾
-10
9,9
10,5
A tolerance of ±0,3% is applied to all values of CO
2
percentage in fumes.
Table
5.2
R20 gas valve setting table
Gas
Gas network
pressure
Screw pre-adjustment
O
ff
set pressure
CO
2
percentage in fumes
Throttle
O
ff
set
nominal
Minimal heat input
Nominal heat input
Type
mbar
turns
turns
Pa
%
%
G20
See Table
3.1
-3
¾
-3
¾
-10
8,6
9,2
G25
full open
-3
¾
-10
8,7
9,3
G25.1
-5
¼
-3
¾
-10
10,6
11,1
G25.3
-7
½
-3
¾
-10
8,5
9,1
G27
-5
½
-3
¾
-10
9,1
9,6
G2.350
full open
-3
¾
-10
8,8
9,3
G30
-2
¼
-3
¾
-10
9,9
10,3
G31
full open
-3
¾
-10
10,5
11,0
LPG
-2
¾
-3
¾
-10
10,3
10,7
A tolerance of ±0,3% is applied to all values of CO
2
percentage in fumes.
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