GA03HA-01 User Manual PPUH „GECO” Sp. z o.o.Page 12 Edition I Valid from 2017-07-26Press the button to return to the previous screen.Exit to the main screen by pressing the button .6.2.2. Change work modeUse this button to change the controller work mode. Access to work mode changes is also possiblevia the menu (1.3).If the controller was already in automatic mode, it goes to manual mode. This is indicated by displaying aconstant temperature on the main screen. The programme number disappears and the hourly heating cycle isnot distinguished (the bar at the bottom of the screen indicates the heating cycle).If the controller is already in manual mode, it enters automatic mode. This is indicated by displaying twotemperatures: "day" and "night". Hourly heating cycles (on the bar at the bottom of the screen) andprogramme number are indicated.It is possible to edit selected temperatures in both automatic and manual modes, using the buttonsand . Changes do not need to be confirmed.emergency workWork mode:Summer/winterOn/off Anti-LegionellaBoiler extinguisheddetectionConnectionFeeder overheatingDescription of chosenDaytime mode issetNight time modeis set