Viessmann Vitotron 100 Operating Instructions For The System User
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Viessmann Vitotron 100 Operating Instructions For The System User

Electric instantaneous water boiler for central heating
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Operating instructions
for system users
Vitotron 100
Type VMN3, VLN3
Electric instantaneous water boiler for central heating
VITOTRON 100
6155063 GB
6/2020

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Summary of Contents for Viessmann Vitotron 100

  • Page 1 Operating instructions for system users Vitotron 100 Type VMN3, VLN3 Electric instantaneous water boiler for central heating VITOTRON 100 6155063 GB 6/2020...
  • Page 2 Safety instructions Safety instructions Please follow these safety instructions closely to prevent injury and material damage. Safety instructions explained Danger Note This symbol warns against the risk Details identified by the word "Note" of injury. contain additional information. Caution This symbol warns against the risk of material losses and environmental pollution.
  • Page 3 Safety instructions Safety instructions (cont.) Working on the appliance All settings and work on the appliance Danger ■ must be carried out as specified in Hot surfaces can cause burns. these operating instructions. Further Do not open the appliance. ■ work on the appliance may be carried Do not touch the hot surfaces ■...
  • Page 4 Safety instructions Safety instructions (cont.) Installation room requirements Caution Danger Incorrect ambient conditions can Do not make any subsequent lead to heating system damage and modifications to the building can put safe operation at risk. characteristics that could affect safe Ensure ambient temperatures operation (e.g.

  • Page 5: Table Of Contents

    Keyword index Keyword index Information Symbols ....................6 Intended use .................... 6 Terminology ..................... 6 Introductory information Commissioning ..................7 Your system is preset at the factory ............7 Energy saving tips ................... 7 Operation Control panel VMN3 ................8 Settings Control panel VMN3 ................12 Operation...

  • Page 6: Information Symbols

    Terminology To provide you with a better understanding of the Further information can be found in chapter functions of your Viessmann control unit, some Terminology in the Appendix. terminology is explained. The terms are marked as follows:...

  • Page 7: Introductory Information Commissioning

    Introductory information Commissioning The commissioning and matching of the control unit to local conditions and to building characteristics, plus the instruction of the user in operating the system, must be carried out by your heating contractor. Your system is preset at the factory Your heating system is preset at the factory and is Power failure therefore ready for operation.

  • Page 8: Operation Control Panel Vmn3

    Operation Control panel VMN3 A Display B Navigation rotary switch for signal and parameter display and settings Turn button B (right or left) during the active winter or summer program to switch between the function displays on LCD screen A. –...
  • Page 9 Operation Control panel VMN3 (cont.) Main display Heat transfer display Internal temperature Active central heating program display Outside temperature Room temperature display DHW temperature (if applicable) Heat transfer DHW heating/cylinder heating Central heating Buffer charging Current central heating program Time controlled (daily/weekly program) PARTY –...
  • Page 10 Operation Control panel VMN3 (cont.) Room temperature display Frost protection Energy saving temperature Comfort temperature Comfort temperature plus Comfort temperature minus Demand for heating energy via the room temperature controller (with the internal control unit) Displays the start of time-controlled buffer charging Appliance fault display DHW circulation pump is running Heating mode ON...
  • Page 11 Operation Control panel VMN3 (cont.) Status display Circulation heating DHW circulation pump is running Fault in the flow temperature sensor. In the event of a fault in the sensor that measures the flow temperature of heating circuit 1, "- -" is displayed Heating circuit temperature too low.

  • Page 12: Settings Control Panel Vmn3

    Settings Control panel VMN3 (cont.) Settings: Boiler settings Central heating flow temperature: Set flow ■ temperature (only available in the basic module with fixed parameters for the room temperature control unit) [Configuration > CH > Control > Fixed parameters]. Room temperature (only available when Tr sensor ■...
  • Page 13 Settings Control panel VMN3 (cont.) Buffer program ■ (only available in buffer mode). A Period number (max. 5) B Start time for buffer charging C End time for buffer charging – Numbers 1 to 8 > Setting of 8 daily programs each with 5 adjustable periods during which the cylinder is charged.
  • Page 14 Settings Control panel VMN3 (cont.) DHW CIRCULATION PROGRAM (only available when DHW circulation is active): ■ A Period number according to schedule (max. 5) B Start time for DHW circulation C End time for DHW circulation operation – Numbers 1 to 8 > Setting of 8 daily programs per –...
  • Page 15 Settings Control panel VMN3 (cont.) Party/Holiday/Manual Rapid change between operating algorithms as required. Party: Set operating mode duration ■ (from 1 to 24 hours or until changed by the user). Holiday: Set operating mode duration (from 1 to 60 ■ days or until changed by the user).
  • Page 16 Settings Control panel VMN3 (cont.) Daily schedule: A Time program section B Periods 1 to 5 C Starting time D End time E Operating status F Command (active during editing): Apply Delete For the central heating and the DHW cylinder, start select the time program and press the navigation time C and end time D are defined in the daily rotary switch.
  • Page 17 Settings Control panel VMN3 (cont.) If no switching times have been defined, the period 00:00 to 23:59 is set after selecting "New". This should be edited according to the user's requirements. Press the "END" command to save the daily program in the boiler settings.
  • Page 18 Settings Control panel VMN3 (cont.) Heating curve The boiler control unit ensures that the correct temperature is maintained in the central heating installation depending on the outside temperature. When there is a low outside temperature, the heat demand inside the building is higher. On the other hand, when there is a high outside temperature, it is not necessary to maintain a high temperature inside the installation.

  • Page 19: Operation Control Panel Vln3

    Operation Control panel VLN3 9:37 Mo 12.08.201 61° ° ° A Display B Navigation rotary switch for signal and parameter display and settings Turn button B (right or left) during the active winter or summer program to switch between the function displays on LCD screen A.
  • Page 20 Operation Control panel VLN3 (cont.) Main display 9:37 Mo 12.08.201 9:37 Mo 12.08.201 32° 61° 85° ° ° ° ° Heat transfer display DHW temperature Return temperature Active DHW program Flow temperature Display for room temperature control contact Preset flow temperature or symbol sealed unvented (central heating command) (if heating is blocked by a signal from the higher ranking appliance)

  • Page 21: Settings Control Panel Vln3

    Settings Control panel VLN3 (cont.) Settings: Match the boiler parameters according to the user's requirements. Boiler settings Flow temperature central heating: Set temperature ■ central heating DHW temperature ■ (only available in systems with a cylinder): – Energy saving , Comfort : DHW temperature control as set in the schedules.
  • Page 22 Settings Control panel VLN3 (cont.) DHW circulation program (only available in active DHW circulation): ■ A Period number according to schedule (max. 5) B Start time for DHW circulation C End time for DHW circulation operation – Numbers 1 to 8 > Setting of 8 daily programs per Date/time: ■...
  • Page 23 Settings Control panel VLN3 (cont.) Party/Holiday (only for DHW heating) Rapid change between operating algorithms as required. Party DHW heating: Set operating mode duration ■ (from 1 to 24 hours or until changed by the user). Holiday DHW heating: Set operating mode duration ■...
  • Page 24 Settings Control panel VLN3 (cont.) Daily schedule: A Time display B Period number according to schedule (max. 5) C Starting time D End time E Temperature selection (applies to DHW cylinder) F Command (active during editing): Apply Delete For the DHW heating circuit, start time C and end time D for set cylinder temperature E are defined in the daily schedule.
  • Page 25 Settings Control panel VLN3 (cont.) If no switching times have been set in the daily program, select "New" to set times for the entire day. To save the entire day program in the control unit, press the "END" command to exit the day program.

  • Page 26: Troubleshooting Rooms Are Too Cold

    Troubleshooting Rooms are too cold Cause Remedy The heating system is switched off. ■ Switch ON the mains isolator, if installed (outside the boiler room). ■ Switch ON the MCB in the power distribution board (main domestic MCB). Control unit or room temperature controller ■...

  • Page 27: Appendix Terminology

    (Altstoff Recycling Austria AG, licence number 5766). Final shutdown and disposal of the heating system Viessmann products can be recycled. Components DE: Operating fluids (e.g. heating medium) can be and fluids from your heating system do not belong disposed of at municipal collection points.
  • Page 28 Proper disposal of the used product prevents potentially harmful effects on the environment, which can occur due to the improper handling of Viessmann Werke GmbH & Co. KG waste. D-35107 Allendorf Tel. +49 6452 70-0...

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