Carrier 42QFA009DS Series Owner's Manual

Also see for 38QUS012DS: Owner's manual Installation manual Service manual Installation manual Installation manual

Contents

7GB-41. READ BEFORE OPERATING2. OPEATIONFunction indicators on indoor unit display panelInfrared signal receiverOperation lampTimer lampManual buttonThis switch is used for after-salesservice purpose only,the usershould not push it.Illuminate during TIMER operationIlluminate during DEFROSToperationReceive the signal from remotecontrollerIlluminate during operationDEF./FAN lampDISPLAYAll the pictures in this manual are for explanation purpose only. They may be slightly different from the air conditioner youpurchased (Model dependent).The actual shape shall prevail.A guide on using the remote controller (or wired controller) is included in this literature packaged.NOTE2.1 OPEATING CONDITIONS2.2 HINTS FOR ECONOMICAL OPERATIONAdjust the temperature to achieve moderate comfort levels. Excessively low or high temperatures waste energy.Improve performance by keeping windows and doors closed.Limit energy usage [run time] by using the TIMER function.Do not block air inlets or outlets. Poor performance, increased running costs and reduced product life will result.Inspect the air filters periodically, and clean them when needed.Disconnect the power source if unit will not be used for a long period.Lower limitOpeating ConditionsUpper limitIndoor Outdoor46 °C DBUpper limitHeating OperationLower limitCooling OperationNote: DB - Dry Bulb18 °C DB32 °C DB27 °C DB-10 °C DB0 °C DB24 °C DB-15 °C DBOptimum performance will be achieved within these operating temperatures.When the unit operates above or below these conditions for a long time, system diagnostics may detect amalfunction and the unit will not operate properly.Room relative humidity - less than 80%. If the air conditioner operates outside this range, the surface of theair conditioner may attract condensation.