Viessmann Vitotronic 300 Operating Instructions Manual
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Viessmann Vitotronic 300 Operating Instructions Manual

Weather-compensated, digital boiler and heating circuit control unit
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See also: Instruction and Installation Manual , Technical Data Manual

Operating Instructions

for the system user
Vitotronic 300
Type GW2
Weather-compensated, digital boiler and heating circuit control unit
VITOTRONIC 300
5592 393 GB
4/2001
File in service document ring binder

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Summary of Contents for Viessmann Vitotronic 300

  • Page 1: Operating Instructions

    Operating Instructions for the system user Vitotronic 300 Type GW2 Weather-compensated, digital boiler and heating circuit control unit VITOTRONIC 300 5592 393 GB 4/2001 File in service document ring binder...

  • Page 2: For Your Safety

    Introductory information For your safety Please follow these safety instructions closely to avoid the risk of injury to persons and damage to property. If you smell gas Work on the equipment Boiler room conditions H Don't smoke! Don't use naked Installation, initial start-up, mainte- H Do not use a room in which the air flames or cause sparks (e.g.

  • Page 3: Table Of Contents

    Index Page Useful tips Introductory information For your safety ..................... Instructions in brief Ready for operation The main controls...

  • Page 4: Ready For Operation The Main Controls

    Ready for operation The main controls You can carry out all the settings on your heating system centrally on the control unit and on the built-in programming unit. If your system is equipped with remote controls, you can also use the remote controls for the settings.

  • Page 5: Overview Of Controls And Indicators

    Ready for operation Overview of controls and indicators Emissions test switch (page 27) Heating circuit selector buttons (page 6) Display window Normal room temperature (page 8) Heating programs (page 7) Temperature regulator Boiler temperature Overtemperature reset button Heating system on/off switch (page 11) Fuses TEST button (for service purposes only) Energy saving mode (page 10)
  • Page 6 Ready for operation Overview of controls and indicators (continued) Other display symbols Adjustment of the display window con (These are not displayed continu trast ously, but appear according to Open the hinged cover on the program system type and operating status) ming unit, press d and, at the same e Risk of freezing time, adjust the contrast with the a...

  • Page 7: Selecting The Heating Program (Winter, Summer)

    Ready for operation Selecting the heating program (winter, summer) 1. Press the heating circuit selector button; the button is lit. 2. Select the required heating pro The selected heating program gram with the G, L or K but appears in the display window for ton.
  • Page 8 Ready for operation Changing the room temperature In the "Central heating and domestic hot water" heating program, central heating takes place with alternating "normal room temperature" and "re duced room temperature" according to the selected time program (see page 12). You can set the required room temperature as follows.
  • Page 9 Using the comfort functions Setting the party mode Switch on the party mode when you require central heating and domestic hot water (if a DHW cylinder is installed) for a short time independently of the preset heating and time program. To activate the party mode 1.

  • Page 10: Activating The Energy Saving Mode

    Using the comfort functions Activating the energy saving mode The energy saving mode is only possible in the "rw heating program. Switch on the energy saving mode when you require particularly economic central heating for a short time. In the energy saving mode the preset room temperature is automatically lowered.

  • Page 11: Shutting Down The Heating System

    Switching on and off Starting up the heating system The initial start-up and matching of the control unit to local conditions and the structural characteristics of the building must be carried out by your heat ing contractor. 1. Check the pressure of the heating system on the manometer: If the needle is below the red marker, the system pressure is too...

  • Page 12: Settings Time Programs

    Settings Time programs You can select time programs for central heating, domestic hot water (if a DHW cylinder is installed) and the DHW circulation pump (if installed). The DHW circulation pump ensures that hot water is available at the taps when required.
  • Page 13 Settings Time programs (continued) Changing and scanning the time program for central heating 11. Open the hinged cover on the programming unit. 12. Press the heating circuit selector button; the button is lit. 13. A Press A; the "Central If you wish to exit the time program heating time program"...
  • Page 14 Settings Time programs (continued) Changing and scanning the time program for central heating (continued) To exit the setting mode at any time 1. A Press A; the display changes to "Exit? Yes". 2. d Press d to confirm; the display changes and shows the boiler tempera ture.
  • Page 15 Settings Time programs (continued) Changing and scanning the time program for domestic hot water heating and the DHW circulation pump The automatic mode is selected in the time program for domestic hot water and the DHW circulation pump, i.e. domestic hot water heating takes place in parallel with the central heating time program, but starts 30 minutes earlier.
  • Page 16 Settings Time programs (continued) Changing and scanning the time program for domestic hot water heating and the DHW circulation pump (continued) 16. a/b Press a/b until one of Please note: the following displays ap If different time phases are set for pears in the display win individual days of the week and Time prog.
  • Page 17 Settings Time programs (continued) Changing and scanning the time program for domestic hot water heating and the DHW circulation pump (continued) To exit the setting mode at any time 1. B Press B; the display changes to "Exit? Yes". 2. d Press d to confirm;...

  • Page 18: Changing The Domestic Hot Water Temperature

    Settings Time programs (continued) Changing and scanning the time program for domestic hot water heating and the DHW circulation pump (continued) Domestic hot water heating on a one-off basis outside the programmed time phases 1. Press the heating circuit selector button;...
  • Page 19 Settings Setting the energy saving mode for the holiday period (continued) H When the "w" heating program is set (see page 7), only frost protec tion of the heating system takes place during the holiday program. Domestic hot water heating takes place according to the preset time program on the dates of your de parture and return.

  • Page 20: Resetting The Time And Date

    Settings Resetting the time and date The time and date are preset in the factory and can be changed manually. There is no need for manual resetting in conjunction with a radio clock re ceiver (accessory). 1. Open the hinged cover on the pro gramming unit.

  • Page 21: Changing The Heating Pattern Of The Boiler

    Settings Changing the heating pattern of the boiler The heating pattern of the boiler is influenced by the outdoor temperature and the settings of the "shift" and "slope" of the "heating curve". Heating curves represent the relationship between the outdoor temperature and the boiler water or flow temperature.
  • Page 22 Settings Changing the heating pattern of the boiler (continued) Changing the heating pattern by adjusting the heating curve 1. Open the hinged cover on the pro gramming unit. 2. Press the heating circuit selector button; the button is lit. Slope 3.
  • Page 23 Settings Changing the heating pattern (continued) Change heating pattern if ... Action Example ... the boiler water temperature is Adjust the slope of the heating too low in the cold season curve upwards by one increment Slope ... the boiler water temperature is Adjust the slope of the heating too high in the cold season curve downwards by one incre...

  • Page 24: Scanning Scanning Temperatures And Operating Status Information

    Scanning Scanning temperatures and operating status information You can scan various current temperatures and operating status information depending on the system components connected and the settings made. H User no. in conjunction with Vitotronic 050 heating circuit control unit H Holiday program if entered with dates of departure and return H Holiday program active...

  • Page 25: Troubleshooting Guide

    Troubleshooting guide Special displays Please contact your heating contrac MService tor to arrange a service call. °C It is not possible to make settings on Example Remote control the control unit, only on the remote "Normal room temperature" on control. the "ts"...

  • Page 26: Diagnosis And Correction

    Troubleshooting guide Diagnosis and correction If a fault occurs on the heating system, it will be indicated in the display win DFault dow and by the flashing red fault lamp (see page 5). Using the scan facility, you can read off the fault code yourself and inform °C your heating contractor accordingly.
  • Page 27 Troubleshooting guide Diagnosis and correction (continued) Fault Cause Remedy Heating system does not start up Heating system switch "8" on the Switch on control unit turned to OFF Mains electrical isolator switch, if Switch on mains electrical isolator installed, is switched off switch Fuse in the domestic power circuit Inform heating contractor...
  • Page 28 Troubleshooting guide Diagnosis and correction (continued) Fault Cause Remedy Burner does not start; red fault indi Faulty start of burner Make a new attempt to start by pres cator flashes on the control unit sing the reset button on the front of (see page 5) and red fault lamp is lit the burner hood with pressure jet on the burner...

  • Page 29: Servicing/Cleaning Instructions And Note On Disposal Of Unwanted Equipment

    Servicing instructions Servicing/cleaning instructions and note on disposal of unwanted equipment Servicing Boiler Cleaning Servicing of heating systems is re All boilers have to be cleaned at cer The equipment can be cleaned with quired under current heating system tain intervals as the flue gas tem domestic cleaning agents available regulations and standards (DIN 4755, perature and therefore the energy...

  • Page 30: Alphabetical Index

    Work on the equipment, 2 Party mode "g", 9 Presettings on the heating system, 4 Factory settings, 4, 5, 6 Fault display, 5, 26 Viessmann Werke GmbH & Co Fault messages, 25 D-35107 Allendorf Faults, 26 Flue gas temperature, 29...

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