Baxi Duo-tec Combi 24 HE A - Technical Data

Fig.3
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IMPORTANT:Whentheselectorswitchisinthe'0'(Off)positiontheelectricalsupplytotheboilerisisolated.
Theboilerwillnotoperateandtheintegraltimerwillrequireresettingoncetheselectorswitchissettoeither
Position(i)orPosition(ii).
3.3FrostProtectionMode
1.Thefrostprotectionmodeisintegraltotheapplianceandfunctionsonlywiththeselectorswitch(seeSection2.1)inthedomestic
hotwaterandcentralheatingposition.Ifthesystemtemperaturefallsbelow5°Cthentheboilerwillfireonitsminimumsettinguntil
aflowtemperatureof30°Cisreached.Furtherprotectioncanbeincorporatedbyusingasystemfrostthermostat.
3.4PumpProtection
1.Withtheselectorswitch(seeSection2.1)ineitherthecentralheatingorcentralheatinganddomestichotwaterposition,thepump
willautomaticallyoperatefor1minuteinevery24hourstopreventsticking.
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4.0TechnicalData
4.1DuotecCombi24,28,33&40HEA
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ApplianceType C13 C33 C53
ApplianceCategory  CATI2H 
HeatInputCH (Net) Max Min
24model kW 20.5 7
28model kW 24.7 9
33model kW 28.9 9.7
40model kW 32.8 9.9
HeatInputCH(Gross) Max Min
24model kW 22.7 7.8
28model kW 27.4 10
33model kW 32.1 10.8
40model kW 36.4 11
   
HeatOutputCH (NonCondensing) Max Min
24model kW 20 6.8
28model kW 24 8.7
33model kW 28 9.4