Dru B11BS - Technical Data; Appliance Specifications; Heat Output and Consumption; Efficiency Ratings

TECHNICAL DATA
24
Modelidentifier(s):
Type
Category
Gastype: Symbol
G25/
G25.3*
G20 G31 Unit
Indirectheatingfunctionality No No No ‐
Directheatoutput 7,0 7,8 7,0 kW
Indirectheatoutput ‐‐‐kW
SpaceheatingemissionsNO
x
82,1 105,2 96,2
mg/kWh
input
(GCV)
Heatoutput
Nominalheatoutput
P
nom
7,0 7,8 7,0 kW
Minimumheatoutput(indicative)
P
min
3,1 2,7 3,0 kW
Technicaldata
Nominalheatinput(Hs) 9,0 10,0 8,9 kW
Nominalheatinput(Hi) 8,1 9,0 8,0 kW
Consumptionmax 1000 940 317 l/h
Consumptionmin 395 380 149 l/h
Burnerpressuremax 24,0 19,0 29,0 mbar
Burnerpressuremin 5,0 3,1 5,6 mbar
Mainburnerinjector 7xø0,951 7xø0,951 ø1,50 mm
Lowsettinginjector ø1,60 ø1,60 ø1,10 mm
Efficiencyclass(EN613) 1 1 1 ‐
Usefulefficiency(NCV)
Usefulefficiencyatnominalheatoutput
η
th,nom
87,4 86,4 86,0 %
Usefulefficiencyatminimumheatoutput(indicative)
η
th,min
86,6 81,8 81,4 %
Auxiliaryelectricityconsumption
Atnominalheatoutput
el
max
‐‐‐kW
Atnominalheatoutput
el
min
‐‐‐kW
Instandbymode
el
SB
‐‐‐kW
Permanentpilotflamepowerrequirement
Pilotflamepowerrequirement(ifapplicable)
P
pilot
‐‐‐kW
Energy efficiency
Energy efficiency index
EEI 87 86 86
Energy efficiency class
BBB
No
No
Yes
Yes**
Yes**
Yes**
Yes**
Yes**
Yes**
**Thesefunctionsonlyapplyincombinationwiththeseparatelyavailable"Ecocontrolpack".
Roomtemperaturecontrol,withpresencedetection
Roomtemperaturecontrol,withopenwindowdetection
Withdistancecontroleoption
Typeofheatoutput/roomtemperaturecontrol
Othercontroloptions(multipleselectionspossible)
Singlestageheatoutput,noroomtemperaturecontrol
Twoormoremanualstages,noroomtemperaturecontrol
Withmechanicthermostatroomtemperaturecontrol
Withelectronicroomtemperaturecontrol
I
2EK
/I
2H
/I
2E+
/I
2E
/I
3P
Basso‐01
Withelectronicroomtemperaturecontrolplusdaytimer
Withelectronicroomtemperaturecontrolplusweektimer
*ThisapplianceissuitableforG25.3withthecompositionaccordingNTA8837.
B11BS