Guide Values For Injector Pressure - Potterton Eurocondense Plus Installation Manual

GUIDE VALUES FOR INJECTOR PRESSURE

Guide values for gas flow rate,
injector pressure and CO
Table 3 Guide values for injector pressure (full load)
Model
Nominal heat input
Nominal heat output
Injector diameter for
Natural gas (G20)
LPG (propane)
Gas type:
- Natural gas G20 (15,0)*
- Propan
** Values in parenthesis = Wobbe index Wo
** At pressure at end of boiler 0 mbar, 1013 hPa, 15 °C
the CO content should be - between 8.0 and 8.5 % for natural gas
2
The values given in Tables 3 are guide values. It is important that the gas
content quantity is set via the injector pressure so that the CO
2
specified values.
EC Plus 90
kW 32,0 - 90,0
80/60 °C kW 31,0 - 86,7
50/30 °C kW 33,0 - 92,7
mm 8,50
mm 6,50
mbar 6,0 - 8,0
mbar 8,5 - 10,5
in kWh/m
N
- between 9.5 and 10.0 % for LPG, EC PLUS 90, 120
- between 9.0 and 9.5 % for LPG, EC PLUS 160, 200, 250
EC Plus 120 EC Plus 160
42,0 - 120,0 56,0 - 160,0
40,7 - 115,6 54,0 - 153,0
43,3 - 123,6 52,2 - 163,5
10,0 10,0
7,0 7,5
Guide values for injector pressure**
5,5 - 7,5 9,5 - 11,0
8,0 - 9,5 14,0 - 19,0
3
value is within the
2
EC Plus 200 EC Plus 250
70,0 - 200,0 87,5 - 250,0
67,2 - 190,2 84,0 - 237,0
71,8 - 205,0 88,3 - 252,3
11,5 12,3
8,5 9.5
9,0 - 10,5 13,0 - 14,5
12,0 - 17,0 16,0 - 17,0
13