SiEBE18-526 Indoor Unit (RA Models)Function 917.11 Other Functions7.11.1 Hot Start FunctionHeat Pump OnlyIn order to prevent the cold air blast that normally comes when heating is started, thetemperature of the heat exchanger of the indoor unit is detected, and either the air flow isstopped or is made very weak thereby carrying out comfortable heating of the room.*The cold air blast is also prevented using a similar control when the defrosting operation isstarted or when the thermostat gets turned ON.7.11.2 Signal Receiving SignWhen the indoor unit receives a signal from the remote controller, the unit emits a signalreceiving sound.7.11.3 ON/OFF Button on Indoor UnitAn ON/OFF button is provided on the front panel of the unit. Use this button when the remotecontroller is missing or if its battery has run out.Every press of the button switches from ON to OFF or from OFF to ON.In case of FTXS20-35D, CTXS50D Push this button once to start operation. Push once again to stop it. This button is useful when the remote controller is missing. The operation mode refers to the following table. In the case of multi system operation, there are times when the unit does not activate withthis button.7.11.4 Titanium Apatite Photocatalytic Air-Purifying FilterThis filter combines the Air Purifying Filter and Titanium Apatite Photocatalytic DeodorizingFilter in a single highly effective unit. The filter traps microscopic particles, decompose odoursand even deactivates bacteria and viruses. It lasts for three years without replacement ifwashed about once every six months.7.11.5 Photocatalytic Deodorizing FilterPhotocatalytic Deodorizing Filter demonstrates powerful oxidation characteristics whensubjected to harmless ultraviolet light. Photocatalytic deodorizing power is recovered simply byexposing the filter to the sun for 6 hours once every 6 months.7.11.6 Air-Purifying FilterA double structure made up of a bacteriostatic filter and an Air-Purifying Filter traps dust,mildew, mites, tobacco smoke, and allergy-causing pollen. Replace the Air-Purifying Filter onceevery 3 months.(R4269)ON/OFF ON/OFF buttonMode Temperature setting Air flow rateCooling Only COOL 22°C AUTOHeat Pump AUTO 25°C AUTO
