Astoria 1GR Use And Maintenance Manual page 31

5.8.3 Gas table
Instructions for installing the appropriate injector and adjust-
ing the air extraction guard.
Gas Supply
type pressure
MODEL
mbar
20
G20
20
G25
1 Group G25.3 20/25
28-30/37
G30/31
50
G30/31
20
G20
20
G25
2 Groups 20/25
G25.3
28-30/37
G30/31
50
G30/31
20
G20
20
G25
3 Groups 20/25
G25.3
G30/31 28-30/37
50
G30/31
20
G20
20
G25
4 Groups 20/25
G25.3
28-30/37
G30/31
50
G30/31
TECHNICIANS' manual
Injector inlet Burner
minimum pressure injector hole
mbar 1/100 mm
1.7 100
1.7 110
2.4 100
3.5 60
3.5 60
1.9 110
2.1 135
2.7 110
5.5 75
6.1 65
2.3 135
2.3 145
3.5 135
6.1 80
11.3 75
2.5 145
2.5 160
3.8 145
6.8 85
11.3 75
INTERNATIONAL SYSTEM-CONVERTED
(SI) UNITS OF MEASUREMENT
1 mbar =
1 mm =
1 kW =
3
1 m /h =
1 kg/h =
Air intake extraction Minimum power
guard Q min
mm kW
1 0.47
1 0.47
1 0.47
3 0.47
3 0.47
1 0.69
1 0.69
1 0.69
3 0.69
3 0.69
1 1.16
1 1.16
1 1.16
3 1.16
3 1.16
1 1.30
1 1.30
1 1.30
3 1.30
3 1.30
100 PA
0.001 m
1000 W
2.78 x 10 -4
3
m /s
2.78 x 10 -4
kg/s
Maximum power Maximum
Q n consumption
kW m /h
3
1.67 0.177
1.67 0.177
1.55 0.164
1.40 - 0.110
1.80 - 0.142
2.03 0.215
2.52 0.267
1.88 0.199
2.20 - 0.174
2.10 - 0.167
3.06 0.323
2.91 0.308
2.85 0.302
2.51 - 0.199
2.84 - 0.225
3.55 0.376
3.55 0.376
3.30 0.349
2.85 - 0.225
2.85 - 0.225
33
kg/h
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