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ARC423 Series Si10-416A ARC423A17, A18 Open cover. AMPM AMPM ON/OFF POWERFULL TEMP MODE SWING CANCEL TIMER Remote Controllers...
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Si10-416A ARC423 Series 1. Transmitter It sends signals to the indoor unit. 2. Display It displays the current settings. (In this illustration, each section is shown with all its displays ON for the purpose of explanation. Some models may not show all its indications.) 3.
ARC423 Series Si10-416A 4. ARC423 Series 4.1 Preparation Before Operation Remote controller Q Setting the batteries Position + and – correctly! Press with a finger and slide the front cover to take it off. Set two dry batteries (AAA). Set the front cover as before. OThis will cause the figures on the display to flash.
Si10-416A ARC423 Series Q Operating the remote controller O To use the remote controller, aim the transmitter at the indoor unit. If there is anything to block signals between the unit and the remote controller, such as a curtain, the unit will not operate. O Do not drop the remote controller.
Si10-416A ARC423 Series 4.2 AUTO • DRY • COOL • HEAT • FAN Operation The air conditioner operates with the settings of your choice. From the next time on, the air conditioner will operate with the same settings. Press and select a mode. MODE O Each pressing of the button advances the mode setting in sequence.
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ARC423 Series Si10-416A Q To change the temperature setting: DRY or FAN mode AUTO or HEAT or COOL mode Press to raise the temperature and press to lower the temperature. The temperature setting is not Set to the temperature you like. variable.
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Si10-416A ARC423 Series NOTE <Note on HEAT mode operation> O Since this air conditioner heats the room by taking heat from outdoor air to indoors, the heating capacity becomes smaller in lower outdoor temperatures. If the heating effect is insufficient, it is recommended to use another heating appliance in combination with the air conditioner.
ARC423 Series Si10-416A 4.4 POWERFUL Operation POWERFUL operation quickly maximizes the cooling (heating) effect in any operation mode. You can get the maximum capacity with a touch of a button. O Pressing the (POWERFUL) button during operation starts POWERFUL operation. O POWERFUL operation ends in 20 minutes.
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Si10-416A ARC423 Series Q Useful at times like these! 1 Every day before you leave the house... When you go out, push the “HOME LEAVE Operation” button, and the air conditioner will adjust capacity to reach the preset temperature for HOME LEAVE Operation.
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ARC423 Series Si10-416A 2 Before bed... Set the unit to HOME LEAVE Operation before leaving the living room when going to bed. The unit will maintain the temperature in the room at a comfortable level while you sleep. When you enter the living room in the morning, the temperature will be just right.
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Si10-416A ARC423 Series NOTE <Note on HOME LEAVE Operation> O HOME LEAVE Operation is only available in COOL and HEAT modes. (Cannot be used in AUTO, DRY, and FAN modes.) O HOME LEA VE Operation runs in accordance with the operation mode the unit was in before using HOME LEAVE Operation.
ARC423 Series Si10-416A 4.7 Timer Operation Timer functions are useful for automatically switching the air conditioner on or off at night or in the morning. You can also use OFF TIMER and ON TIMER in combination. OFF TIMER operation O Chec k that the clock is correct.
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Si10-416A ARC423 Series Press once again. Then the TIMER lamp lights up. Q To cancel the timer: Press CANCEL Then the TIMER lamp goes off. Notes on OFF TIMER O NIGHT SET MODE When the OFF TIMER is set, the air conditioner automatically adjusts the temperature setting (0.5˚C up in COOL, 2.0˚C down in HEAT) to prevent excessive...