Adapting the appliance to the heating system90 Installation instructions geoTHERM 0020051574_049Display shown Description Factory settingInstallation Assistant A3Auxiliary heaterIntegration of theAuxiliary heater internOut T. aux htr on 0 °CCylinder type Coil>SelectThe controller will only activate the auxiliary heatingif it is enabled in Menu C7 “Auxiliary heater” and thefollowing condition is satisfied:Out T. aux htr on (Bivalence point): Auxiliary heaterfor reheating is only enabled in heating modeand during parallel operation below this outsidetemperature.Cylinder type: Setting type of cylinder for the domes-tic hot water cylinder.Coil: Pipe coil cylinder, e.g. VIH RW 300.Layered: Layered cylinder, e.g. VPS /2.0 °CInstallation Assistent A4Geothermal settingsFreeze protect temp. -10 °C>SelectFreeze protect temp. (VWS only): Minimum permis-sible brine outlet temperature. If the tempera-ture falls below this value, error message 21/22or 61/62 appears and the compressor switchesoff.Freeze protect temp. (VWW only): Protectionagainst frost = 4 °C.-10 °CTool A5Component Test 1 On OFF OFF OFF>Select ¯CH pump OnCompressor OnBrine pump OnSoft start On HKBrine mixer OpenCooling Valve Openb Caution:Risk of damage due to improperoperation.The electronics of the high-efficiencypump and the compressor may bedamaged by overfrequent starts.> Start the pumps and the compres-sor a maximum of three in any onehour.The component test can be used to test the actuatorsof the heat pump. This intervention lasts for a maxi-mum of 20 minutes and ignores current controllerinputs during this time. The heat pump then returnsto the previous operating state.i When the compressor is switched on, theheating circuit pump and brine pump arealso automatically connected.UV1 = Heating/cylinder charging diverter valve inpositionDHW = "Hot water preparation"CH = "Heating mode"OFF9.9 Menu A: Calling up Installation Assistent
