Technical data

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