Specifications

ALFA G ALFA GP
Gas G20 - 20 mbar - I E2+ - I 2E LL
Burner pressure mbar 9,8 -
Flow rate m
3
/h 2,43 -
Gas G31 - 37/50 mbar - I 3P
Burner pressure mbar - 21,2
Flow rate m
3
/h - 0,94
Injector Ø 1/100 mm 450 3x160
6.5 ATMOSPHERIC BURNER
6 TECHNICAL SPECIFICATION
6.3 DOMESTIC HOT WATER PERFORMANCE
6.4 BOILER PERFORMANCES
10
Domestic hot water performances ALFA G ALFA GP
Operating at 80° C
Peak delivery at 40° C (6T = 30° C) litres/10’ 170 170
Peak delivery at 40° C (6T = 30° C) litres/60’ 653 665
Continuous delivery 40° C (6T = 30° C) litres/h 579 594
Operating at 80° C
Initial heating time minutes 24 24
After draw-off of 140 l at 45° C minutes 17 16,5
Results obtained without a thermostatic mixing valve and with water supply at 10° C
ALFA G ALFA GP
Input kW 23 23,5
Output kW 20,3 20,7
Combustion efficiency % 90,7 91,3
Maintenance loss at 60° C as % of rate value % 11
Mass rate of combustion products g/sec. 18 19
Average CO
2
% 8,5 9,5
Total capacity litres 99 99
Primary circuit capacity litres 56 56
Heating connection Ø 1” 1”
Hot water connection Ø 3/4” 3/4”
Hot water tank heat exchange surface m
2
1,42 1,42
Weight empty Kg
143 143
Chimney connection B11 BS B11 BS
BE - FR AT - DK - ES - GB - IT - PT - IE - SE BE - FR - ES - GB - IE - PT NL LU - DE
I E2+ I 2H I 3P I 2L I 2ELL