17• If the operating mode changes from COOL and DRY to HEAT, there will be3 minutes~3 minutes 15 sec time delay between compressor turning offand turning on including starting the heat operation.• If the operating mode changes from Heat to Cool and Dry, there will be3 minutes~3 minutes 15 sec time delay .• When heating operation starts, hot air delivery might be delayed due toa warm up period.• In normal operation, there is a minimum operation time of 3 minutes betweencompressor turning on and turning off.• In the heating mode, when the outdoor coil is frosted, the indoor fan andoutdoor fan will turn off while the compressor will turn on to remove the froston the outdoor coil.• The defrost mode stops after 5 minutes 20 sec or 9 minutes 40 sec accordingto outdoor coil status or when compressor operates according to preset condition.• When the power is off, the defrost operation is automatically conducted toeliminate frost accumulation on the outdoor coil.When the unit is operates at a low ambient temperature, frost may appear onthe indoor coil. When the indoor coil temperature is below 0 ºc, the microcom-puter makes the compressor stop to protect the unit from frost.Any of the following can occur during normal operation:• A sound like a “GURGLE” can sometimes be heard during operation orwhen the unit stops.- It is the sound of the refrigerant flowing through the unit.• Bad smells can come from the unit.- Smells such as smoke or cosmetics can accumulate while room aircirculates through the unit.- Cleaning the filters will reduce this problem.• UNIT ON lamp on the indoor unit displays flashes and no air comes from the unit.- It indicates malfunction of the unit and the compressor will stop operating.• A “BAK-BAK” sounding noise can sometimes be heard during operation orwhen the unit turns on.- It is the sound of plastic expanding due to an abrupt temperature change.• Temperature ranges suitable for unit operation are as follows.• When the unit operates above or below these conditions for a long time,system diagnostics may detect a malfunction and the unit will not operate properly.• If the unit operates for a long time under abnormal situation of extremely highhumidity, condensed water may drip from the unit.Auto recovery Operation (Field selection)POINTS TO NOTETime DelayMinimum Operation TimeFrost Prevention of Indoor UnitNormal OperationDefrost Operation (For Heat Pump Model)Mode Indoor Outdoor(All Market) Asia & Australia Middle East Saudi ArabiaCOOL&DRY 21 ~ 32˚C 21 ~ 43˚C 21 ~ 52˚C 21 ~ 52˚CHEAT Below 27˚C -10~24˚C -10~24˚C -10~24˚COperating Condition• When the electricity fails while the unit is operating, the unit memorizes theoperating condition, and it will start operation automatically when theelectricity is restored.• When you leave home during an electricity failure, please unplug the powercord, or the unit will automatically restart in your absence.• This function is field selectable by pressing the ‘Remote’ button upto fieldrequirements. Default from the factory is to have this function but it can beselected.(Refer the page 35)CARE AND MAINTENANCE