(*) Adjustable with parameter 231
The table indicates the existing relation between the gas pressure at the burner and the boiler power in heating mode.
Gas setting table
NIAGARA C 25
G20 G30 G31 G230
Lower Wobbe index
(15°C, 1013 mbar) ( MJ/m
3
)
45,67
80,58 70,69 38,9
Nominal supply pressure
20 28 / 30
37 20
Maximum/minimum gas pressure at burner (mbar)
Max dhw........... mbar 12,0 27,8 35,4 8,8
Max absolute heating mbar
(menu 2/ sub-menu 3/ parameter 0)
10,9
(64)
26,5
(87)
33,2
(93)
8,0
(55)
Mini mbar 2,2 5,5 6,0 1,8
Slow ignition power mbar
(men
u
2/ sub-menu 2/ parameter 0)
2,2
(/)
5,5
(/)
6,0
(/)
1,8
(/)
Maximun Heating Power adjustment
(menu 2/ sub-menu 3/ parameter 1)
49 74 71 41
Heating ignition delay adjustment
(menu 2/ sub-menu 3/ parameter 5)
automatic
No of injectors 13
injector ø (mm) 1,25 0,76 0,76 1,45
Gas ow max/min
(15°C, 1013 mbar)
(nat - m3/h) (GPL
- kg/h)
max D.H.W 2,86 2,13 2,10 2,22
max C.H 2,73 2,03 2,00 2,12
min 1,16 0,87 0,85 0,90
Heating Gas Pressure
NIAGARA C 25
Gaz Boiler power (kW) 9,9 12 14 16 18 20 22 23,7
G20 mbar 3,2 4,7 6,4 8,3 10,5 11,6 14,1 16,3
Adjustable heating output
(*) 0 43 49 55 60 63 68 71
G30 mbar 5,5 8,0 11,0 14,3 18,1 18,9 22,9 26,5
Adjustable heating output
(*) 0 54 61 67 73 75 80 84
G31 mbar 6,0 8,8 12,0 15,6 19,8 23,5 28,5 33,0
Adjustable heating output
(*) 49 56 63 70 76 80 87 93
G230 mbar 1,6 2,3 3,2 4,2 5,3 5,7 6,9 8,0
Adjustable heating output
(*) 0 33 38 42 47 48 52 55
To Next Page
Loading...
Need help?
General
