Installation Manual
Combi - cod. 99943NA – November 2002
2
TECHNICAL DATA
Type C unit
Type C devices are devices in which the combustion circuZ
it (air intake, combustion chamber, exchanger, combustion
exhaust) is sealed off from the place where they are installed.
CENTRAL HEATING - DOMESTIC HOT WATER
sealed combustion circuit type
RSF 20 E -
electronic ignition
RSF 24 E -
electronic ignition
Technical data
MODEL
RSF 20 E
RSF 24 E
Maximum rated input
KCal/h
22900
25628
Kw
26.6
29.8
BTU/h
90867
101692
Minimum rated input
KCal/h
11000
15000
Kw
12.8
17.5
BTU/h
43648
59250
Maximum rated output
KCal/h
20900
23090
Kw
24.34
26.85
BTU/h
82931
91621
Minimum rated output
KCal/h
9450
12900
Kw
11
15
BTU/h
37498
51187
Heating temperature adjustment
°C
30-80
30-80
Max. working pressure (heating)
bar
3
3
Min. working pressure (heating)
bar
0.3
0.3
Expansion vessel capacity (initial pressure 1 bar)
Litres
8
8
Hot water flow rate
∆
t 25°
Litres
13
15
Max. working pressure (water)
bar
6
6
Min. working pressure (water)
bar
0.5
0.5
Width mm.
450
450
Height mm.
860
860
Depth mm.
345
345
Weight Kg.
49
49
Coaxial exhaust flue diameter
Double exhaust flue diameter
100/60
80/80
100/60
80/80
Flow/return connections
Ø
3/4” - 3/4”
3/4” - 3/4”
Cold water connections
Ø
1/2”
1/2”
Hot water connections
Ø
1/2”
1/2”
Gas connections
Ø
1/2”
1/2”
Electrical connection 50 Hz
V
230
230
Power supply
W
170
170
Burner jets NP 13 G30
Ø
1.25
1.25
Burner jets NP 13 G30
Ø
0.75
0.77
Gas category:
IT II2H3
Gas supply pressure:
G20
20 mbar /
G30/31
29-30/37 mbar
FORCED CIRCULATION
Coaxial vertical
Coaxial horizontal
C32
C12
C52 Double
Содержание RSF 24 E
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