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
(
6
T = 30° C)
litres/10
’
170
170
Peak delivery at 40° C
(
6
T = 30° C)
litres/60
’
653
665
Continuous delivery 40° C
(
6
T = 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
%
1
1
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
