Instruction manual

TECHNICAL CHARACTERISTICS
CONDENSING BOILOES WITH STORAGE - TG05A095.A0306
4
2. TECHNICAL CHARACTERISTICS
2.1 Technical data
Appliance Model RKA 25
Technical Data
CE certification no. 0694BN3485
Flue category (UNI10642) C13, C33, C43, C53, C83
Heat Input max
kW
25
Heat Input min
kW
9
Heat Output max (80/60°)
kW
24.60
Heat Output max (50/30°)
%
26.68
Heat Output min (80/60°)
%
8.73
Efficiency 100% load (80/60°)
kW
98,40
Efficiency 100% load (50/30°)
kW
106,70
Efficiency 30% load (80/60°)
%
100.10
Efficiency 30% load (50/30°)
%
106,30
Gas Directive 92/42/ECC - Efficiency marking stars 4
NOx class (European Standard UNI EN 297 – pr A5 class 5
Sedbuk band A
Heating circuit
Central heating water temperature setting (min-max) °C 30-80
Max. Heating temperature °C 80
Max. Working pressure (heating) Bar 2.5
Min. working pressure (heating) Bar 0.3
Expansion vessel capacity Litres 10
Domestic hot water
D.H.W. temperature setting °C 35-60
Max. Hot water working pressure bar 6
Min. Hot water working pressure bar 0.5
Continuous hot water supply - t 30° - mixed water
litres/h 726
Max. continuous hot water supply - t 30° mixed water - first 10 minutes
litres 141
Storage cylinder capacity litri 20
Dimensions
Width mm 490
Height mm 900
Depth mm 450
Weight kg 70
Hydraulic connections
Flow connection Ø 3/4”
Return connection Ø 3/4”
Cold water connection Ø 1/2”
Hot water connection Ø 1/2”
Gas connection Ø 1/2”
Flue systems
Horizontal-Coaxial flue system - kit K
Ø 100/60
Max. flue length m 5
Twin pipe flue system - kit H
Ø 80/80
Max. flue length m 50
Vertical-Coaxial flue system - kit V
Ø 100/60
Max. flue length m 5
Gas Supply
Natural Gas G 20
Inlet pressure mbar 20
Gas consumption m3/h 2.83
Liquid Butane Gas G 30
Max. Inlet pressure mbar 30
Gas consumption kg/h 2.11
Liquid Propane Gas G 31
Max. Inlet pressure mbar 37
Gas consumption kg/h 2.08
Electrical supply
Power supply V/Hz 230/50
Maximum Power consumption W 180
Electrical protection IP IPX4D