Viessmann VITOTRONIC 300 GW2 Instructions d'exploitation

VITOTRONIC 300Operating Instructionsand User’s Information ManualVitotronic 300, Model GW2Outdoor-reset logic digital boiler andheating circuit contro

Using the comfort functions10Activating the energy saving modeThe energy saving mode is only possible in the ”rw“ heating program. Switchon the energy

Switching on and off11Starting up the heating systemThe initial start-up and matching of the control unit to local conditions and thestructural charac

Settings12Time programsYou can select time programs for heating, domestic hot water (if a DHW tank isinstalled) and the DHW re-circulation pump (if in

Settings13Time programs(continued)Changing and scanning the time program for heatingHtg. Time Program1-711. Open the hinged cover on theprogramming un

Settings14Time programs(continued)Changing and scanning the time program for heating (continued)To exit the setting mode at any time1. ur Press ur; th

Settings15Time programs(continued)Changing and scanning the time program for domestic hot water heating and the DHW re-circulation pumpThe automatic m

Settings16Time programs(continued)Changing and scanning the time program for domestic hot water heating and the DHW re-circulation pump (continued)DHW

Settings17Time programs(continued)Changing and scanning the time program for domestic hot water heating and the DHW re-circulation pump (continued)To

Settings18Time programs(continued)Changing and scanning the time program for domestic hot water heating and the DHW re-circulation pump (continued)Dom

Settings19Setting the energy saving mode for the holiday period(continued)When the ”w” heating program isset (see page 7), only freeze-upprotection o

General information2Safety, Installation and Warranty RequirementsPlease ensure that this manual is read and understood before commencing installation

Settings20Resetting the time and dateThe time and date are preset in the factory and can be changed manually.TimeDDateWe1. Open the hinged cover on th

SettingsBoiler water temperature orflow temperature in °CSlopeOutdoor temperature in °C2.22.01.81.61.41.21.00.80.60.40.23.43.23.02.82.62.421Changing t

Settings22Changing the heating pattern of the boiler(continued)Changing the heating pattern by adjusting the heating curveSlopeShift1. Open the hinged

Settings23Changing the heating pattern(continued)Change heating pattern if ... Action Example... the boiler water temperatureis too low in the cold se

Settings24Changing the heating pattern(continued)Change heating pattern if ... Action Example... the boiler water temperatureis too high at transition

Scanning25Scanning temperatures and operating status informationYou can scan various actual temperatures and operating status informationdepending on

Troubleshooting guide26Special displaysMServiceMo °CPlease contact your heating contractorto arrange a service call.Remote controlIt is not possible t

Troubleshooting guide27Diagnosis and correctionIf a fault occurs on the heating system, it will be indicated in the displaywindow and by the flashing

Troubleshooting guide28Diagnosis and correction(continued)Fault Cause RemedyHeating system does not start up Heating system switch ”8” on thecontrol u

Troubleshooting guide29Diagnosis and correction(continued)Fault Cause RemedyBurner does not start; red faultindicator flashes on the control unit(see

Index3PageUseful tipsIntroductory informationFor your safety 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Servicing instructions30Servicing/cleaning instructions and note on disposal of unwanted equipmentServicingServicing of heating systems isrequired und

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Additional informationViessmann Manufacturing Company Inc.750 McMurray RoadWaterloo, Ontario • N2V 2G5 • CanadaTel. (519) 885-6300 • Fax (519) 885-088

Ready for operationReady for operation4The main controlsYou can carry out all the settings on your heating system centrally on thecontrol unit and on

Ready for operation5Overview of controls and indicatorsOverride switch (page 27)Heating circuit selector buttons(page 6)Display windowNormal room temp

Ready for operation6Overview of controls and indicators(continued)Other display symbols(These are not displayed continuously,but appear according to s

Ready for operation7Selecting the heating program (daylight saving time)1. Press the heating circuit selectorbutton; the button is illuminated.2. Sele

Ready for operation8Changing the room temperatureIn the ”Heating and domestic hot water” heating program, heating takes placewith alternating ”normal

Using the comfort functions9Setting the party modeSwitch on the party mode when you require heating and domestic hot water(if a DHW tank is installed)