34
■
Minimum pressure (mbar)
• Slow ignition adjustment
3.4 mbars NATURAL GAS
6.6 mbars LIQUID GAS
34
32
28
24
20
16
12
8
4
0
,0
,0
,0
0
kPa
mbar
kW
1009DIS1272
9,3
13,9
18,6
27,9
11,6
12,7
16,2
20,9
34,8
MC
MCS
25,2
P
GAS - NOZZLE CALIBRATION
The boilers leave the factory calibrated and predisposed to operate with NATURAL GAS and LIQUID GAS.
These calibrations are effected without the connection of the compensating joint Pos. A (mod. MCS).
For the calibrations to put into effect, see the table related below:
Pressure on nozzles mbar
Burner
Gas type
INOVA E 20MC W TOP INOVA E 20MCS W TOP
Delivery
nozzles
L.C.V.
min.
max.
min.
max.
m
3
/h
Ø mm.
kcal/h
NATURAL GAS
(G20-20 mbar)
LIQUID GAS B
(G30-28/30 mbar)
LIQUID GAS P
(G31-37 mbar)
A
Compensating joint
B
Connecting pipe
To effect the gas valve
calibration, proceed as
follows:
a)
take the pipe (
B
) off
the joint (
A
);
b)
effect calibration;
c)
connect the pipe (
B
);
again to the joint (
A
).
BURNER PRESSURE CURVES - OUTPUT
1009DIS623
12
11
10
9
8
7
6
5
4
3
2
1
0
,2
1
0
kPa
mbar
kW
1009DIS1271
9,3
13,9
18,6
27,9
11,6
12,7
16,2
20,9
34,8
MC
MCS
25,2
G.N.
26
24
22
20
18
16
14
12
10
8
6
4
2
0
2,6
2
1
0
kPa
mbar
kW
1009DIS1073
9,3
13,9
18,6
27,9
11,6
12,7
16,2
20,9
34,8
25,2
B
3,1
11,2
1,9
10,7
2,53
1,2
8.550
6,6
24,6
6,2
25
0,73
0,75
29.330
8,5
31,4
6,2
32,8
0,96
0,75
22.360