Date Unit i25 i29
Nominal CH heat input kW Hs=27.7 - Hi=25.0 Hs=31.1 - Hi=28.0
Minimum CH heat input kW Hs=11.1 - Hi=10.0 Hs=11.1 - Hi=10.0
Nominal CH input (80/60°C) kW 24.1 27
Minimum CH input (80/60°C) kW 9.2 9.2
Nominal condensing output
(50/30°C)
kW 25.9 29
Minimum condensing output
(50/30°C)
kW 9.6 9.6
Nominal DHW heat input kW Hs=27.8 - Hi=25.0 Hs=31.1 - Hi=28.0
Minimum DHW heat input kW Hs=11.1 - Hi=10.0 Hs=11.1 - Hi=10.0
Nominal DHW input kW 24.3 24.3
Minimum DHW input kW 9.2 9.2
Nominal useful efficiency
(80-60°C)
% Hs=86.9 - Hi=96.5 Hs=86.9 - Hi=96.5
Minimum useful efficiency
(80-60°C)
% Hs=82.8 - Hi=92.0 Hs=82.8 - Hi=92.0
Nominal useful efficiency
(50-30°C)
% Hs=93.2 - Hi=103.5 Hs=93.2 - Hi=103.5
Minimum useful efficiency
(50-30°C)
% Hs=86.4 - Hi=96.0 Hs=86.4 - Hi=96.0
Efficiency 30% % Hs=91.5 - Hi=101.6 Hs=91.5 - Hi=101.6
Burner nozzles G20
no. x
Ø
11 x 1.35 11 x 1.35
Gas inlet pressure G20 mbar 20 20
Max. pressure at burner G20 mbar 11 13.5
Min. pressure at burner G20 mbar 2 2
Nominal gas rate G20
m
3
/h
2.64 2.96
Minimum gas rate G20
m
3
/h
1.06 1.06
Burner nozzles G31
no. x
Ø
11 x 0.82 11 x 0.82
Gas inlet pressure G31 mbar 37 37
Max. pressure at burner G31 mbar 29 35
Min. pressure at burner G31 mbar 5 5
Nominal gas rate G31 kg/h 1.96 2.19
Minimum gas rate G31 kg/h 0.78 0.78
Efficiency class Directive 92/42
EEC
-
NOx emissions class - 3 3
Max. working pressure in heating bar 3 3
Min. working pressure in heating bar 0.8 0.8
Max. heating temperature °C 90 90
CH water content litres 1.5 1.5
CH expansion vessel capacity litres 8 8
CH expansion vessel charge
pressure
bar 1 1
Max. working pressure in DHW bar 9 9
Min. working pressure in DHW bar 0.25 0.25
Water flow rate Dt 25°C l/min 14 15.7
Water flow rate Dt 30°C l/min 11.6 13.0
Protection rating IP X5D X5D
Supply voltage V/Hz 230V/50Hz 230V/50Hz
Electrical power input W 99 123
Empty weight kg 35 35
Type of unit C
12
-C
22
-C
32
-C
42
-C
52
-C
62
-C
72
-C
82
B
22
-B
32
PIN CE 0461CP1030
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