Data Unit DIVA C24 DIVA C28 DIVA C32
Max. heating capacity kW 25.8 30.8 34.4 (Q)
Min. heating capacity kW 8.3 11.5 11.5 (Q)
Max. Heat Output in heating kW 23.5 28.0 31.3 (P)
Min. Heat Output in heating kW 7.0 9.9 9.9 (P)
Max. Heat Output in hot water production kW 23.5 31.3 31.3
Min. Heat Output in hot water production kW 7.0 9.7 9.7
Efficiency Pmax (80-60°C) % 91.0 91.0 91.0
Efficiency 30% % 89.6 89.8 89.8
NOx emission class - 3 (<150 mg/kWh) (NOx)
Burner nozzles G20 no. x Ø 11 x 1.35 15 x 1.35 15 x 1.35
Gas supply pressure G20 mbar 20 20 20
Max. gas pressure at burner G20 in hot water prod. mbar 12.0 12.0 12.0
Max. gas pressure at burner G20 in heating mbar 12.0 9.2 12.0
Min. gas pressure at burner G20 mbar 1.5 1.5 1.5
Max. gas delivery G20 in heating
nm
3
/h
2.73 3.26 3.64
Min. gas delivery G20
nm
3
/h
0.88 1.22 1.22
Burner nozzles G31 no. x Ø 11 x 0.79 15 x 0.79 15 x 0.79
Gas supply pressure G31 mbar 37 37 37
Max. gas pressure at burner G31 in hot water prod. mbar 35.0 35.0 35.0
Max. gas pressure at burner G31 in heating mbar 35.0 27.0 35.0
Min gas pressure at the burner G31 mbar 5.0 5.0 5.0
Max. gas delivery G31 in heating kg/h 2.00 2.41 2.69
Min. gas delivery G31 kg/h 0.65 0.90 0.90
Max. working pressure in heating bar 3 3 3 (PMS)
Min. working pressure in heating bar 0.8 0.8 0.8
Max. heating temperature °C 90 90 90 (tmax)
Heating water content litres 1.0 1.2 1.2
Heating expansion tank capacity litres 8 10 10
Heating expansion tank prefilling pressure bar 1 1 1
Max. working pressure in hot water production bar 9 9 9 (PMW)
Min. working pressure in hot water production bar 0.25 0.25 0.25
DHW flowrate
'
t 25°C l/min 13.4 17.9 17.9
DHW flowrate
'
t 30°C l/min 11.2 14.9 14.9 (D)
Protection rating IP X5D X5D X5D
Power supply voltage V/Hz 230V/50Hz 230V/50Hz 230V/50Hz
Electrical power input W 80 90 90
Empty weight kg 27 30 30
Type of unit B
11BS
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