Datasheet

Technicaldata

VFBMC402

Theauxiliaryheaterismadeupofanelectricheatingelementonthesupplypipethathastwooutputs,ADD.HEAT1andADD.HEAT2,

andcanbecontrolledinthreesteps:

Forthreephase,400V,installations:

• Step1=ADD.HEAT1=3kW

• Step2=ADD.HEAT2=6kW

• Step3=ADD.HEAT1+ADD.HEAT2=9kW

Forsinglephase,230V,installations:

• Step1=ADD.HEAT1=1.5kW

• Step2=ADD.HEAT2=3kW

• Step3=ADD.HEAT1+ADD.HEAT2=4.5kW

Intheeventofanalarm,theauxiliaryheaterengagesautomatically.

Theenergyconsumptioncalculationisdifficulttospecifyexactly,buttheaverageoutputforanormalhousewithnormalhotwater

consumptioninthefollowingtablesgivesarelativelyaccurateresultforeachheatpumpandheatingsystem.Rememberthatthe

operatingtimefortheheatpumpinstallationmustexceedoneyearbeforethespecifiedvaluesinthetablearevalid.

TheenergyconsumptionforlegionoperationisincludedinthehoursforADD.HEAT1.

Theindicatedoutputsincludecirculationpumps.

DHP-H -4 -6 -8 -10 -12 -16

Underfloorheating 1.13kW 1.59kW 2.00kW 2,55kW 2.90kW 4.31kW

Radiators 1.39kW 1.88kW 2.36kW 3.03kW 3.43kW 5.11kW

Tocalculatetheenergyconsumption:

1 PresseithertherightorleftbuttononcetoopentheINFORMATIONmainmenu.ThecursorisintheOPERATIONmenuoption.

2 PressthedownbuttontomovethecursortotheOPERAT.TIMEmenuoption.

3 Openthemenubypressingtherightbuttononce.

4 Notehowmanyhoursthefollowingvalueshave:HEATPUMP,ADD.HEAT1,andADD.HEAT2.

5 Inthetablesabovefindthevaluefortheaverageoutputthatcorrespondstoyourheatpumpandheatingsystem,andmultiplyitby

thenumberofHEATPUMPhours.Notetheresult.

6 MultiplythenumberofADD.HEAT1hoursby3.Notetheresult.

7 MultiplythenumberofADD.HEAT2hoursby6.Notetheresult.

8 Addupthemultipliedvaluestoobtainthetotalenergyconsumption.

Auxiliary heating and energy consumption calculation