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. n° 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