Supplied By www.heating spares.co Tel. 0161 620 6677
10
DOMINA PLUS F 24 - 30 E
FERELLA EXTRA F 24 - 30 MEL
Version - 09.2002
1.4 Technical data table
Gas supply
Pmax
Pmin
Heating Power (Net Heat Value - Hi)
Useful Heating Power 80°C - 60°C
Tap Water Heating Power
Powers
Pmax
Pmin
kcal/h 20,400
8,300
kW
23.8
9.7
kcal/h 20,400
8,300
kW
23.8
9.7
kcal/h 22,200
9,900
kW
25.8
11.5
Dimensions, weights connections
Depth
mm
272
Width
mm
460
Height
mm
760
Tap water
Minimum working pressure in hot water production
bar
0.25
Maximum working pressure in hot water production
bar
9
Maximum hot water production
D
t 30°C
l/min
11.3
Maximum hot water production
D
t 25°C
l/min
13.6
Boiler water content
litres
0.8
Expansion tank pre-filling pressure
bar
1
Expansion tank capacity
litres
7
Minimum working pressure in heating
bar
0.8
Maximum working pressure in heating
bar
3
Maximum working temperature in heating
°C
90
Electrical protection rating
IP
44
Electrical power supply
Power voltage/frequency
V/Hz
230/50
Max electrical power absorbed
W
125
Hot water circuit connections
inches
1/2
Heating system connections
inches
3/4
Gas system connection
inches
1/2
Weight
kg
38
Heating
Natural Gas delivery (G20)
nm
3
/h
2.73
1.22
DOMINA PLUS - FERELLA EXTRA
Natural Gas main nozzles (G20)
mm
12 x 1.30
Pressure at Natural Gas burner (G20)
mbar
11.8
2.5
Natural Gas supply pressure (G20)
mbar
20.0
LPG delivery (G31)
kg/h
2.00
0.89
LPG main nozzles (G31)
mm
12 x 0.77
Pressure at LPG burner (G31)
mbar
36.0
7.8
LPG supply pressure (G31)
mbar
37.0
Safety valve
bar
3
Hot water content
litres
0.8
24kW
30kW
Pmax
Pmin
Pmax
Pmin
25,800
10,900
30.0
12.7
25,800
10,900
30.0
12.7
28,500
12,500
33.1
14.5
363
460
760
0.25
9
14.3
17.2
1.5
1
10
0.8
3
90
44
230/50
125
1/2
3/4
1/2
48
3.50
1.53
16 x 1.25
13.0
2.5
20.0
2.60
1.14
16 x 0.75
35.5
7.0
37.0
3
0.8
