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Resumen del manual
Other existing load shedding relays, with the exception of electronic load shedding relays, may malfunction. The control electronics must be coded when operated with a load shedding relay. B C DE 1821515 DE 5151821 DE 2427515 DE 5152427 Rated output [kW] 18 21 24 27 Rated voltage [V] 400 400 Fuse protection [A] 32 40 Minimum conductor cross-section [mm2] 4 6 Warm water flow at rated output with temperature increase from 12 °C to 38 °C [l/min] 9.9 11.6 13.2 13.9 12 °C to 60 °C [l/min] 5.4 6.3 7.2 7.6 Start-up flow [l/min] 2.6 2.6 Start-up flow pressure * [MPa (bar)] 0.025 (0.25) 0.025 (0.25) Application area in water specific electric resistance at 15 °C [.cm] . 1 300 . 1 300 Rated pressure [MPa (bar)] 1.0 (10.0) 1.0 (10.0) Maximum permissible supply temperature [°C] 55 55 Maximum mains impedance at connection point [.] . 0.44 . 0.244 Technical dat a * The pressure loss on the mixer must also be added Operation with prewarmed water (solar heated) The continuous-flow heater can only heat prewarmed water to a max. of 60 °C. If the cold water supply exceeds a temperature of 55 °C, the water will not be warmed any further. Important: The cold water supply temperature must not be higher than 55 °! If the cold water supply exceeds a temperature of 60 °C, a circuit breaker will trigger and shut the appliance off. Therefore, the residential plumbing must be equipped with a thermostatic premixer (e. g. special accessory BZ 45T20) that will limit the cold water supply temperature to a max. of 55 ° by appropriately mixing in cold water. 9 en G 1 2 A 472 99 115 236 20 100 33242 388 Operating instructions Please read the operating instructions carefully before you use the appliance! Safety information ¦ This appliance is intended for domestic use or for household- based non-commercial applications. Household- based applications include, e.g. usage in employees catering facilities for shops, offices, agricultural and other commercial operations, as well as usage by guests of guest houses, small hotels and similar residential establishments. Risk of electric shock! Switch off the mains voltage supply immediately if a fault occurs. ¦ We do not accept liability for damage resulting from failure to heed these instructions. ¦ The continuous-flow heater may only be connected and put into operation by a qualified professional. ¦ Repairs may only be undertaken by a suitably qualified specialist to avoid potential sources of danger. ¦ The continuous-flow heater may only be installed in a frost-free room. ¦ Persons (including children) with diminished bodily, sensory or mental perception, or those who lack knowledge or experience should not operate the appliance, unless they are monitored or have received instruction concerning use of the appliance by persons responsible for their safety. ¦ Keep children away from the appliance. Please monitor children to ensure that they do not play with the appliance. ¦ The mixer and the warm water pipe may be hot. ¦ Please switch off all fuses immediately if a malfunction occurs. Immediately shut off the cold water supply to the appliance should it leak. The malfunction can only be repaired by a specialist or an authorised service agent. Your new appliance The electronic continuous-flow heater “electronic comfort plus” is intended exclusively for heating water which flows through the appliance. The continuous-flow heater switches on and heats the water when the warm water tap is opened. It switches off as soon as the tap is closed. Special accessories ¦ Pipe kit BZ 45U20: for use of the continuous-flow heater as an under sink appliance ¦ Priority switch (load shedding relay) BZ 45L20: for operation with a priority circuit ¦ Mounting kit BZ 45K23: for surface mount installation ¦ Thermostatic premixer BZ 45T20: for installation in the domestic plumbing when using preheated water Operating the continuous-flow heater The default temperature for the water temperature after setting the first start-up or a power failure is 40 °C. Selecting shower temperature Select the required temperature with the rotary knob used to vary the desired temperature from 20 °C to 60 °C in steps of 0.5 °C. Info: The temperature shown in the display is the water temperature inside the appliance. The temperature of the water leaving the tap can vary from this due to heat losses in the pipework. Conserving energy and water Mixing in of cold water in the fitting requires unnecessary water and energy. You should therefore set the desired temperature directly on the continuous-flow heater and then open the water tap. Pre-warmed water The continuous-flow heater can be operated with pre- warmed water (for example from a solar energy unit). 10 en The meaning of display indications Flashing display Risk of scalding! If the temperature display flashes, the temperature of the water leaving the tap is higher than the set temperature. The supply temperature from the domestic system is too high, e. g. water from a solar energy unit. The...
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