Operating Manual geoTHERM exclusive VWS 0020071929_002ContentsContentsGeneral information ..................................................... 3Data badge .............................................................................. 31 Notes on this manual ....................................... 31.2 Document storage .................................................... 31.3 Symbols used ............................................................. 41.4 Applicability of the manual..................................... 42 Safety instructions .......................................... 42.1 Coolant......................................................................... 42.2 Prohibition on alterations ....................................... 53 Information on installation and operation..... 53.1 Intended use ............................................................... 53.2 Requirements of the installation site .................. 63.3 Cleaning and care .................................................... 63.4 Checking the operating condition of the heatpump............................................................................. 63.4.1 Filling pressure of the heating installation......... 63.4.2 Filling level and filling pressure of the brinecircuit ........................................................................... 63.4.3 Accumulation of condensate (condensationwater) ........................................................................... 73.5 Energy saving tips .................................................... 73.5.1 General energy saving tips ..................................... 73.5.2 Economising by the correct use of the controlsystem .......................................................................... 73.6 Recycling and disposal ............................................ 83.6.1 Appliance..................................................................... 83.6.2 Packaging .................................................................... 83.6.3 Coolant......................................................................... 84 Equipment and functional description ........... 94.1 Principle of operation .............................................. 94.2 Mode of operation of the coolant circuit ............ 94.3 Automatic auxiliary functions................................ 104.4 Design of the geoTHERM exclusive heatpump 115 Operation ........................................................... 135.1 Familiarising yourself with and operating thecontroller ..................................................................... 135.1.1 Calling up the screens ............................................. 135.2 Setting menus and parameters ............................. 145.3 Controller description .............................................. 145.3.1 Possible system circuits .......................................... 145.3.2 Energy balance control ........................................... 155.3.3 Buffer cylinder charging principle ........................ 155.3.4 Resetting to factory settings ................................. 155.3.5 Control structure ...................................................... 155.3.6 Adjusting the energy saving functions................ 155.4 Flow diagram .............................................................. 165.5 User level displays .................................................... 175.6 Special functions ....................................................... 235.7 Starting up the heat pump ..................................... 255.8 Shutting down the heat pump ............................... 255.9 Inspection .................................................................... 255.10 Troubleshooting and Diagnosis ............................. 255.10.1 Error messages on the Controller ........................ 255.10.2 Activating emergency mode .................................. 265.10.3 Errors/malfunctions that you can resolve ......... 265.10.4 Warnings...................................................................... 265.10.5 Temporary malfunctions ......................................... 265.10.6 Fault-induced shutdown .......................................... 276 Warranty and customer service ..................... 286.1 Vaillant warranty....................................................... 286.2 Vaillant Service.......................................................... 287 Appendix ............................................................ 297.1 Technical data............................................................ 297.2 Identification plate .................................................... 31