Carrier Air Conditioner Owner's Manual

Also see for Air Conditioner: Operation and service guide Owner's guide

Contents

9Using the Ionizer Function — The ionizerhelps to eliminate odors in the conditioned space.1. Press to activate the Ionizerfunction.2. Press again to turn off Ionizerfunction.Remote Control Address Selection — If two in-door units are in the same room, one remote control can belinked to one indoor unit, and the other remote control to theother indoor unit, or both indoor units can be controlled with asingle remote control.For more information, refer to the installation instructions.Resetting the Remote Control — If the remote con-trol is not functioning properly it can be reset by pressing thereset button with a paper clip or tip of a pen.Operating Conditions — Temperature ranges suitablefor unit operation are as follows.If the unit operates above 59 to 90 F maximum temperatureconditions for a long period of time, system diagnostics maymodify the system operation to prevent damage to the system.Time Delay — If unit operation is started after the poweris turned off, there will be a 3-minute time delay until thecompressor turns on.When heating operation starts, hot air delivery may bedelayed due to a warm-up period.Minimum Operation Time — In normal operation,there is a minimum operation time of 5 to 7 minutes betweenthe compressor turning on and turning back off.Heating Features — If the unit starts in Heating mode,there may be a preheating period before the unit is ready todeliver warm air.Defrost Operation — In heating mode, if the outdoorcoil is frosted, the indoor fan and outdoor fan will turn offwhile system removes the frost on the outdoor coil.The system will automatically revert to normal operationwhen frost is removed from the outdoor unit.Auto Recovery — If the power fails while the unit isoperating, the unit memorizes the operating condition, and itwill start operation automatically when the power is restored.Indoor Unit Frost Prevention in Cooling andDehumidification Mode — If the unit operates at alow ambient temperature, frost may appear on the indoor coil.If the indoor coil temperature is near 32 F, the compressor’sspeed is reduced or stopped to protect the unit from frost.CLEANING, MAINTENANCEAND TROUBLESHOOTINGPeriodic Maintenance — Periodic maintenance isrecommended to ensure proper operation of the unit. Recom-mended maintenance intervals may vary depending on theinstallation environment, e.g., dusty zones, etc. Refer toTable 2.Cleaning the Coil — Clean the coil at the beginning ofeach cooling season, or when necessary. Use a vacuum cleaneror a long-bristle brush to avoid damage to the coil fins.MODE INDOOR(°F) OUTDOOR(°F)Cool 59-90 59-110Heat Max. 81 14- 75Dehumidification 59-90 59-110To avoid the possibility of electric shock, always turn offpower to the system before performing any cleaning ormaintenance to the system. Turn off the outdoor disconnectswitch located near outdoor unit. Be sure to disconnectindoor unit if on a separate switch.Operating the system with dirty air filters may damage theindoor unit and could cause reduced cooling performance,intermittent system operation, frost build-up on indoor coilor blown fuses.The coil fins are very sharp. Use caution when cleaningthe coil fins to prevent unit damage and to avoid personalinjury.°°FF(Cooling only or Dehumidification mode)(Heating mode)FF2°F2°F21F1F1F1Fig. 10 — Set Temperature Levels

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