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Cerapur - 6720879920 (2020/06)
ZWB 24-5C ZWB 28-5C
Einheit Erdgas Propan1) Butan Erdgas Propan1) Butan
Wärmeleistung/-belastung
Max. Nennwärmeleistung (Pmax) 40/30 °C kW 21,5 21,5 24,5 21,5 21,5 24,5
Max. Nennwärmeleistung (Pmax) 50/30 °C kW 21,4 21,4 24,4 21,4 21,4 24,4
Max. Nennwärmeleistung (Pmax) 80/60 °C kW 20,0 20,0 22,7 20,0 20,0 22,7
Max. Nennwärmebelastung (Qmax) kW 20,5 20,5 23,3 20,5 20,5 23,3
Min. Nennwärmeleistung (Pmin) 40/30 °C kW 3,4 5,1 5,8 4,1 5,1 5,8
Min. Nennwärmeleistung (Pmin) 50/30 °C kW 3,3 5,1 5,8 4,1 5,1 5,8
Min. Nennwärmeleistung (Pmin) 80/60 °C kW 3,0 4,6 5,2 3,7 4,6 5,2
Min. Nennwärmebelastung (Qmin) kW 3,1 4,7 5,3 3,8 4,7 5,3
Max. Nennwärmeleistung Warmwasser (PnW) kW 24,0 24,0 27,3 28,0 28,0 31,9
Max. Nennwärmebelastung Warmwasser (QnW) kW 24,6 24,6 28,0 28,7 28,7 32,7
Gerätewirkungsgrad max. Leistung Heizkurve 80/
60 °C
%97,5 97,5 97,5 97,5 97,5 97,5
Gerätewirkungsgrad max. Leistung Heizkurve 50/
30 °C
% 102 102 102 100 100 100
Gas-Anschlusswert
Erdgas LL (Hi(15 °C) = 8,1 kWh/m3)m
3/h 3,04 – – 3,55 – –
Erdgas E (Hi(15 °C) = 9,5 kWh/m3) m3/h 2,59 3,03
Flüssiggas -G31 Propan (Hi = 12,9 kWh/kg) kg/h 1,91 2,22
Flüssiggas - G30 Butan (Hi = 12,7 kWh/kg) kg/h 2,20 2,57
Zulässiger Gas-Anschlussdruck
Erdgas LL und Erdgas E mbar 17-25 17 - 25
Flüssiggas mbar 42,5 - 57,5 42,5 - 57,5 42,5 - 57,5 42,5 - 57,5
Ausdehnungsgefäß
Vordruck bar 0,75 0,75 0,75 0,75 0,75 0,75
Gesamtinhalt l 12 12 12 12 12 12
Warmwasser
Max. Durchflussmenge l/min 10 10 10 12 12 12
Einschaltwassermenge l/min 2,5 2,5 2,5 2,5 2,5 2,5
Warmwassertemperatur °C 40 - 60 40 - 60 40 - 60 40 - 60 40 - 60 40 - 60
Max. Kaltwasser-Eintrittstemperatur °C 60 60 60 60 60 60
Max. zulässiger Warmwasserdruck bar 10 10 10 10 10 10
Min. Fließdruck bar 0,2 0,2 0,2 0,2 0,2 0,2
Spezifischer Durchfluss nach EN 13203-1 (T =
30 K)
l/min 11,8 14,1
Rechenwerte für die Querschnittsberechnung nach EN 13384
Abgasmassestrom bei max./min. Nennwärme-
leistung
g/s 11,1/1,5 10,8/2,1 10,9/2,1 12,9/1,8 12,6/2,1 12,7/2,1
Abgastemperatur 80/60 °C bei max./min. Nenn-
wärmeleistung
°C 87/55 87/55 87/55 87/55 87/55 87/55
Abgastemperatur 40/30 °C bei max./min. Nenn-
wärmeleistung
°C 59/32 59/32 59/32 59/32 59/32 59/32
Restförderdruck Pa 120 120 120 120 120 120
CO2 bei max. Nennwärmeleistung %9,4 10,8 12,4 9,4 10,8 12,4
CO2 bei min. Nennwärmeleistung % 8,6 10,5 12,0 8,6 10,5 12
Abgaswertegruppe nach G 636/G 635 G61/G62 G61/G62 G61/G62 G61/G62 G61/G62 G61/G62
NOx (BImSchV) mg/kWh 60 60 60 60 60 60
NOx-Klasse 6 6 6 6 6 6
Kondensat
Max. Kondensatmenge (TR = 30 °C) l/h 1,7 1,7 1,7 1,7 1,7 1,7
pH-Wert ca. 4,8 4,8 4,8 4,8 4,8 4,8
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