6 Instruction manual “1353-EN”Heat pump, split, single serviceRef. Function - Definitions1 Selection of the DHW operating mode(Domestic hot water)- If the installation is fitted with a DHW tank.- ON: Production of DHW according to the time program.- Off: No domestic hot water heating, anti-frost function is active.- Boost: Hold down the DHW key for 3 seconds. Immediate DHWoperation after use of the electrical back-ups until the DHWcomfort setting has been reached2 Digital display - Operating control. Readout of the current temperature, of theheating mode and of any faults .- View the settings3 Exit "ESC" - Quit the menu.4 Navigation and setting - Selecting the menu.- Setting parameters.- Adjusting the ambient temperature setpoint.Figure 2123456789°C10121311User interfaceRemote control (option)Room thermostat (option)ONOff3 Operation of the installation3.1 User interface