Line Function Setting range or display SettingincrementBasic setting7710 I Output (Ux) test --, 0... 100% 1 --7711 I Voltage (Ux) value 0... 10 Volt 07720 I Digital outputs test0 = No test 1 = Everything is on STOP2 = Digital output DO1 3 = Digital output DO2No test7721 I Digital output DO1 Cooling mode,Heating modeHeating mode7722 I Digital output DO2 Off, On Off7730 I Outdoor temperature (B9) -50... 50 °C 07820 I Sensor temperature BX1 -28... 350 °C 07823 I Sensor temperature BX4 -28... 350 °C 07824 I Sensor temperature BX5 -28... 350 °C 07830 I Sensor temperature BX21 module 1 -28... 350 °C 07831 I Sensor temperature BX22 module 1 -28... 350 °C 07832 I Sensor temperature BX21 module 2 -28... 350 °C 07833 I Sensor temperature BX22 module 2 -28... 350 °C 07841 I Contact status H1 Open, Closed Open7846 I Contact status H2 Open, Closed Open7855 I Contact status H3 Open, Closed Open7914 I Input EX4 0, 230 V 07915 I Input EX5 0, 230 V 07916 I Input EX6 0, 230 V 0State8000 I State heating circuit 1 08003 I State DHW 08004 I State cooling circuit 1 08006 I State heat pump 08022 I State supplementary source 08050 I History 1 Time, Date, State code8052 I History 2 Time, Date, State code8054 I History 3 Time, Date, State code8056 I History 4 Time, Date, State code8058 I History 5 Time, Date, State code8060 I History 6 Time, Date, State code8062 I History 7 Time, Date, State code8064 I History 8 Time, Date, State code8066 I History 9 Time, Date, State code8068 I History 10 Time, Date, State codeInstallation and operating manual "1395 - EN" - 25 -Control Box