Radiant RSF 20 E - Page 5

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