Samsung AQT24A5RE/B Service Manual

Also see for AQ18A9RE: Owner's instructions Service manual

Contents

Operating Instructions and InstallationSamsung Electronics3-21. AUTO MODE : In this mode, operationmode(COOL, HEAT) is selected automati-cally by the room temperature of initialoperation.∆T= -1˚C, -2˚C, 0˚C+1˚C+2˚C∆T is controlled by setting temperatureup/down key of remote controller2. COOL MODE : The unit operates accordingto the difference between the setting androom temperature. (18˚C~30˚C)3. HEAT MODE : The unit operates accordingto the difference between the setting androom temperature.(16˚C~30˚C)*Prevention against cold wind : For about3~5 minutes after initial operation, thermocontrol or “de-ice”, the indoor fan willeither not operate or operate very slowly,then switch to the selected fan speed. Thisperiod is to allow the indoor unit's heat-exchanger to prewarm before emittingwarm air.*High temperature release function : Theoutdoor unit for and compressor ON/OFFcontrol for safety operation, when the over-heat is heat exchanger of indoor unit.*De-ice : Deicing operation is controlled byindoor unit's heat exchanger temperatureand accumulating time of compressor'soperation.De-ice end by sensing of the processingtime by de-ice Condition.4. DRY MODE : Has 3 states, each determinedby room temperature.The unit operates in DRY mode.*Compressor ON/OFF Time is controlledcompulsorily(can not set up the fan speed,always breeze).*Protective function : Low temperaturerelease. (Prevention against freeze)5. TURBO MODE : This mode is available inAUTO, COOL, HEAT, DRY, FAN MODE.When this button is pressed at first, the airconditioner is operated “powerful” state for30 minutes regardless of the set tempera-ture, room temperature.When this button is pressed again, or whenthe operating time is 30 minutes, turbooperation mode is canceled and returned tothe previous mode.*But, if you press the TURBO button in DRYor FAN mode that is changed with AUTOmode automatically.6. SLEEP MODE : Sleep mode is availableonly in COOL or HEAT mode.The operation will stop after 6 hours.*In COOL mode : The setting temperatureis automatically raised by 1˚C each 1hourWhen the temperature has been raised bytotal of 2˚C, that temperature is main-tained.*In HEAT mode : The setting temperatureis automatically droped by 1˚C each 1hour.When the temperature has been droped bytotal of 2˚C, that temperature is main-tained.7. FAN SPEED : Manual (3 step), Auto (4 step)Fan speed automatically varies dependingon both the difference between setting andthe room temperature.Room TempTr≥ 21˚C+∆T21˚C +∆T>TrOperation TypeCool Operation (Set Temp : 24˚C+∆T)Heat Operation (Set Temp : 22˚C+∆T)3-1-2 Name & Function of Key in remote controller