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Te hni a
ata
Heat output
MODEL
kW
Ferroli F24
23,8
MODEL
1
Ø
Ferroli F24
3/4"
Main injectors (mm)
MODEL
G20 - NG G31 -LPG
Ø
Ferroli F24
12x1,30
Gas supply pressures
MODEL
G20
mbar
Ferroli F24
20
Domestic hot
water production
with ∆t 30 °C
MODEL
Ferroli F24
The gas pressures at the burner and gas fl ows during the central heating phase gi en in the tab e re er
to n
inal
iler
tp t To redu e this output where ne essar
re uired output e e is rea hed see gures
ring
estic h t
tp t gi en in ta le
r the t pe
Gas press re
st e a j ste
• Ma i
rking te perat re
• Ma i
te perat re
• Mini
estic c l
Fl
restrict r fitte (stan ar ) 1,2 ar;
Fl
restrict r re
Heat input
kW
kW
9,7
25,8
Connections
2
3
4
Ø
Ø
Ø
3/4"
1/2"
1/2"
3/4"
Gas flow rates to main burners
G20 - NG
Ø
m
12x0,77
2,73
Gas pressure at main burner for central heating
working
G31
min.
mbar
mbar
37
2,5
Domestic hot
water production
with ∆t 35 °C
l/min.
l/min.
11,3
9,7
and
ater pr
cti n gas pressures to the burner
gas
ring
a i
r central heating fl
estic h t ater:
ater press re req ire
e
0,
ar
Domestic hot
water output
kW
kW
11,5
23,8
Expansion vessel
Pre-pressurising
5
Capacity
value
Ø
Litres
bar
7
1
for central heating
G31 -LPG
3
/h
kg/h
2,00
G20
m
min.
mbar
mbar
11,8
7,8
Max. working
pressure domestic
hot water
G20
G31
mbar
mbar
11,8
36,0
gas pressure
ra
estic h t ater
: 8 °C
°C, a j sta le et een 40°C an
r 9 % heat inp t:
Boiler water
Domestic hot
contents
water contents
Litres
Litres
1,5
0,8
Max. working
Max.
pressure
working
central
pressure hot
heating
water circuit
circuit
bar
3
Gas valve
Ø1/2
H. V K4105G
Safety valve
G31
m
mbar
bar
36,0
Weight
Protection
level
kg
IP44
38
ust be redu ed unti the
st c rresp n
t
the
°C
bar
6
a i
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