2Inhalt1 Application area / device features 31.1 Application area 31.2 Device features 32 Safety instructions 33 Mounting the device 43.1 Opening the device 43.2 Wall mounting 43.3 Connections 53.4 Temperature sensor connection 54 Short descriptions and device operation 54.1 Display layout 54.2 Operating the device 65 Menu structure 65.1 "Info" menu 65.2 "Programming" menu 75.3 "Manual operation" menu 75.4 "Basic Setup" menu 76 System diagrams 8Controller functions 97.1 General controller functions 97.2 Protective functions 97.2.1 Collector protection 97.2.2 Recooling (Holiday function) 97.2.3 System protection 107.3 Additional function 107.3.2 Operation without rechargeable battery: 107.3.3 Operation with rechargeable battery 10Settings table for the switch-off threshold 118 System monitoring 128.1 Sensor monitoring 128.2 Flow monitoring 129 Troubleshooting 139.1 Faults with error messages 139.2 Faults without error messages 1410 SOLAREG II Specifications 1511 Resistance table PT1000 1512 Warranty conditions 1613 Declaration of conformity 16Explanation of thegraphic symbolsAttention!Symbol indicatespossible dangersand errorsListPlease note!Information forhandling / specialfeaturesImplementation /procedureTest /check