7
EN
F
FV
Heat release rate (input)
kW
21 / 38
34,9
Effective rated output
kW
19,4 / 34,2
31,9
Combustion efficiency
%
95 / 92
93,8
Maintenance loss at 60 °C as % of rated value
%
1 / 0,8
0,8 / 0,7
Mass flow rate of combustion products
g/sec.
8,9 / 16,0
-
Average CO
2
%
13 / 13,6
13,4
Total capacity
L
103
103
Primary circuit capacity
L
60
60
Central heating connection
Ø
1”
1”
Domestic hot water connection
Ø
3/4”
3/4”
Hot water tank heat exchange surface
m
2
1,42
1,42
■
DOMESTIC HOT WATER PERFORMANCES
■
BOILER WITH ACV OIL BURNER
◆
GENERAL SPECIFICATIONS
F
FV
A
mm
1404
1404
B
mm
80
80 / 125
C
mm
765
808
D
mm
390
390
Weight when empty
Kg
150
150
F
FV
Operating at 80 °C
Peak flow 40 °C
(
∆
T = 30 °C)
L/10’
192
192
Peak flow 40 °C
(
∆
T = 30 °C)
L/60’
949
949
Constant flow 40 °C
(
∆
T = 30 °C)
L/h
909
909
Time of refill of the tank at 60 °C
Start-up
min
20
20
After drawing off 140 L at 45 °C
min
16
16
■
EFFECTIVE DIMENSIONS
Effective dimensions of Alfa FV
Effective dimensions of Alfa F
645
C
200
D
160
B
542
125
A
200
D
160
B
542
125
A
645
C
Results obtains without thermostatic mixing valve and with a water supply at 10° C