Vaillant geoTHERM SERIES Installation And Servicing

Also see for geoTHERM SERIES: System Installation Instructions Instructions for use Installation instructions Operating instructions

Installer_manual_OEM_Vaillant_PROTO_3_GB - 06/11 - Vaillant- 21 -7.1 Electrical booster element7.2 Cylinder Thermostat with integrated thermal cut out7.3 Immersion heater with thermostat and intégrated thermal cut out8 Command unit for the heat pump (**)9 Additional circulator (*)9A Additional circulator controlled by a system of management bycontact9b Additional circulator commanded by the heat pump10 System of control by contact (contact characteristics: I>25ma,U=12VDC) (*)S1: ON/Off input controls heating, heat pump activated if contactclosedS2: Input for heating mode, heating mode activated if contact closedS3: Input for Normal/Eco mode, ECO mode activated if contactclosed (see chapter "specific settings")S4: Input for Normal/Silence mode, silence mode activated ifcontact closed (see chapter "specific settings")11 Overheating safety (if underfloor heating)12 flush vent (*)13 Air venting14 buffer tank (*) (if necessary)15 Shut-off valve (*)16 backflow preventer + filling valve (*)17 Electric heating booster (*)18 Expansion chamber (*) (if necessary)19 Anti-sludge filter (*)20 Safety valve (*)21 Pressure-gauge (*)22 3-channel valve (with return spring) for the domestic hot water tank,L10 = domestic hot water position (*)23 Shut-off valve (*)R15 Power relay for the heating booster (*)A flow heat pump circuitb Return heat pump circuitC flow domestic hot waterD Domestic cold water inletE flow heating circuitf Return heating circuitG Connection for filling heat pump circuitH Discharge from the safety valve to a container for recovering glycolwater solution(*) Not delivered with the appliance(**) To find out the description of each auroSTOR components, see theauroSTOR manual.(***) for technical detail about these components see chapter " Hotdomestic water controller function and components description"Application conditions in heating mode- Command unit used as configuration tool (see the chapter"Appliance location"),- Installation with underfloor heating (< 53°C) or low-temperature radiator (<60°C),- The system for managing the ambient temperature and therate of humidity of the heating zones is not included and is atthe choice of the installer.geoTHERM45/1 65/1 75/1 125/1 155/1Minimum volume of theinstallation (l) 14 21 28 42 49Max volume of heat pump circuit,without additional vessel, fora water outlet temperature of35°C (l)65 65 65 95 95Volume of water in the heat pump 1 1 1.2 2.3 2.3Nominal water fl ow rate (m³/h) 0.7 1 1.2 2.1 2.5i Highlighted cable section on electric diagram: 2.5mm².For the dimensioning of the other cables and theelectrical protection on the appliances, see the chapter"Electrical connection".i The back up heater must be equipped with anoverheat safety device with manual resseting theoverheat safety device must be approved according EN60730-2-9 and his trigerring tested with and withoutwater inside the back up heater.Application conditions in Domestic hot water modei Timer relay:the time delay must be adjusted as follows:- 30 mn for low inertia heating installation (radiators)- 60mn for high inertia heating installation (floorheating)- For technical informations details and specificadjustments about hot domestic water installation seechapter "Domestic Hot water controler function andcomponents description"i To improve slightly Heat Pump working time the twocoils of Aurostor tank could be connected in seriesAdjusting the heat pump's command unit• To find out the description of each function, see the chapter "Specific adjustment".Menu Name of the function Value factory setting100 Type of system regulation 2 2101 Configuration of the command unit 0 0106 Configuration of the output between terminal channels 4 and N 1 1112 External calibrated adjustment graphs 1 - 12 8114 ECO heating mode 5°C 5°C126 Configurations exterior sensor 2 2146 Configuration for stopping the heat pump if control by S1 contact input 2 2148 Limit exterior temperature (T0) -20°C -20°C150 Exterior temperature bivalence point (T1) (To be defined) °C 0°C151 Delays for switching on booster heating 20 minutes 20 minutes152 Differential stop/start booster heating 5°C 5°C153 Mode of activation hot-water demand contact S5 1 1154 Booster heating functioning 1 1155 Functioning of main circulator 1 1156 Configuration of the output between terminal channels 12 and N 2 2157 Functioning of the additional circulator 1 1INSTALLATION