1 Presentation..........................................................................................................................................................11.1 Interface introduction....................................................................................................................................21.2 Button introduction.......................................................................................................................................42 User operation.......................................................................................................................................................52.1 Clock setting................................................................................................................................................52.2 ON-OFF setting...........................................................................................................................................62.3 Mode setting................................................................................................................................................72.4 Current setpoint setting................................................................................................................................82.5 Home/away/eco setting...............................................................................................................................102.6 DHW schedule setting................................................................................................................................112.7 Button lock setting......................................................................................................................................133 Configuration.......................................................................................................................................................143.1 User parameter configuration.....................................................................................................................143.2 Technical parameter configuration.............................................................................................................164 Parameter and status checking.........................................................................................................................195 Error code............................................................................................................................................................21AcronymsIDU Indoor unitODU Outdoor unitDHW Domestic hot waterEH Electrical heaterIAT Indoor ambient temperatureOAT Outdoor ambient temperatureLWT Leaving water temperatureEWT Entering water temperatureTw-in Entering water temperature of BPHETw-out Leaving water temperature of BPHEBPHE Brazed Plate Heat ExchangerContents