User manual DAIKIN ALTHERMA EKRTW

[. . . ] Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 EKRTW Operation manual Room thermostat 4PW44897-1 1 1. Main features The EKRTW is a state of the art programmable electronic thermostat, which regulates your AD system, where comfort, simplicity and energy saving go hand in hand. It is the wired room thermostat option kit, mainly used for new installations. [. . . ] Integrated frost protection remains activated (frost protection default on 4. 0°C). Modes and menus in the advanced menu E F G B C D 4. 2. To activate advanced modes, navigate to OFF mode (D) and press > during 5 seconds. Use this menu to choose a factory-defined schedule or create a custom one. Use this menu to set date and time. F G Operation manual 6 EKRTW Room thermostat 4PW44897-1 5. Using the key lock function k Activate or deactivate the key lock function by pressing + and - at the same time. 5. 2. Activating the schedule timer For full comfort with limitation of energy consumption you can pick an ideal schedule for each day. This makes sure the temperature is in the comfort mode when you are at home and that the temperature is automatically reduced at times you are sleeping, at work and so on. 1 2 3 If needed, activate the advanced mode by pressing > during 5 seconds in OFF mode (D). The possible schedules are: 2 user-defined (1+2) and 5 factory-defined (1~5). The factory-defined schedules are described in "APPENDIX: factory-defined programs" on page 17. For the user-defined schedules, refer to "Setting up a user-defined schedule" on page 9. Press + and - to consult the programmed actions, press > and < to consult the other days (if already programmed). Optionally, press = to lock the schedule timer mode (S). NOTE 4 5 6 For your optimum comfort, the schedule timer can be set to start up in advance (120 minutes, code 2® 02, for 4. 0°C setpoint difference), trying to reach the programmed setpoint at the programmed time. This control can be enabled or disabled by means of code 2® 01 in the user menu. Refer to "Setting up codes in the user menu" on page 12. EKRTW Operation manual Room thermostat 4PW44897-1 7 5. 3. Manually overriding a schedule There are 2 ways of overriding a schedule: S A temporary override in locked schedule timer mode (S) Temporarily choose the comfort or reduced setpoint by pressing 1 button only: < or >. · reduced setpoint: w and h are displayed. A temporary override of the setpoint in schedule timer mode Press + or - to modify the setpoint in steps of 0. 5°C. Locking and unlocking the schedule timer mode is performed by pressing =. The unlocked schedule timer mode displays as B. NOTE By default the manual override is active until the next scheduled action. You can change this behavior by means of user code 2® 03: the manual override will then only be active for 1 hour. Refer to "Setting up codes in the user menu" on page 12. Operation manual 8 EKRTW Room thermostat 4PW44897-1 5. 4. Setting up a user-defined schedule (1 and 2) Within the user-defined schedule each day can be programmed individually and 12 actions (setpoints) are possible per day. First decide upon the temperature scale you prefer (°C/°F) by setting up code 1® 01 as decribed in "Setting up codes in the user menu" on page 12. Pressing > goes to the next step. 1 If needed, activate the advanced mode by pressing > during 5 seconds in OFF mode (D). [. . . ] Disposal requirements The batteries supplied with the thermostat are marked with this symbol. This means that the batteries shall not be mixed with unsorted household waste. If a chemical symbol is printed beneath the symbol, this means that the battery contains a heavy metal above a certain concentration. Waste batteries must be treated at a specialized treatment facility for re-use. [. . . ]