Installation Manual
SYSTEM BOILER – Cod. 99951NA – November 2002
2
TECHNICAL DATA
Type C devices are devices in which the combustion circuit (air intake,
combustion chamber, exchanger, combustion exhaust) is sealed off from the
place where they are installed.
CENTRAL HEATING
sealed combustion circuit type
Technical data
MODELS
RS 20 E
RS 24 E
RS 30 E
Maximum rated input
KCal/h
22900
25628
29670
Kw 26.60 29.8 34.50
BTU/hr 90867 101692 117731
Minimum rated input
KCal/h
11000
15000
16340
Kw 12.80 17.5 19
BTU/hr 43648 59520 64837
Maximum working output
KCal/h
20900
23090
27440
Kw 24.34 26.85 31.90
BTU/hr 82931 91621 108882
Minimum working
output KCal/h
9450
12900
14560
Kw 11 15 16.90
BTU/hr 37498 51187 57774
Max. working pressure (heating)
bar
3
3
3
Max. working pressure (water)
bar
6
6
6
Min. working pressure (heating)
bar
0.3
0.3
0.3
Max.
heating
temperature
°C 80 80 80
Expansion vessel capacity (initial pressure 1 bar)
Litres
6
6
10
Width
mm. 450 450 450
Height
mm. 790 790 790
Depth
mm. 320 320 320
Weight
Kg. 42 42 45
Flue diameter
Ø
100/60
80/80
100/60
80/80
125/80
80/80
Flow/return
connections
Ø ¾” ¾” ¾”
Cold
water
connections
Ø ½” ½” ½”
Hot water connections
Ø
-
Gas
connections
Ø ½” ½” ½”
Electrical connection 50 Hz
V
230
230
230
Power supply
W 150 150 150
Burner jets NP 13 G20
Ø
1.25
1.25
Burner jets NP 13 G30
Ø
0.75
0.77
Burner jets NP 17 G20
Ø
1.20
Burner jets NP 17 G30
Ø
0.75
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
