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OPERATING TIPS
Temperature and Humidity Range
COOLING/DRY MODE
COOLING MODELS
HEAT & COOL
MODELS
(Reverse Cycle)
● If the air conditioner is operated under higher temperature conditions than those listed, the built-in protection circuit may
operate to prevent internal circuit damage. Also, during Cooling and Dry modes, if the unit is used under conditions of
lower temperature than those listed above, the heat-exchanger may freeze, leading to water leakage and other damage.
● Do not use this unit for any purposes other than the Cooling, (*)Heating, Dehumidifying, and air-circulation of rooms in
ordinary dwellings.
Humidity
About 80 % or less
If the unit is used for long pe-
riods under high-humidity
conditions, condensation
may form on the surface of
the indoor unit, and drip onto
the floor or other objects un-
derneath.
● Should the power supply to the air conditioner be inter-
rupted by a power failure, the air conditioner will restart
automatically in the previously selected mode once the
power is restored.
● Should a power failure occur during TIMER operation,
the timer will be reset and the unit will begin (or stop)
operating under the new timer setting. In this event, the
TIMER indicator lamp (yellow) will flash (see page 4).
● Use of other electrical appliances (electric shaver, etc.) or
nearby use of a wireless radio transmitter may cause the
air conditioner to malfunction. In this event, temporarily
disconnect the power supply, reconnect it, and then use
the remote control unit to resume operation.
AUTO Restart
In Event of Power Interruption
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
Temperature
About 65 to 90 °F
Outdoor
Temperature
About 32 to 110 °F
About 32 to 110 °F
Outdoor
Unit
AOU18CXQ
AOU24CXQ
AOU18RXQ
AOU24RXQ
Indoor
HEAT & COOL
MODELS
(Reverse Cycle)
Outdoor
Temperature
About 32 to 75 °F
Outdoor
Unit
AOU18RXQ
AOU24RXQ
Indoor
Temperature
About 86 °F or less
*HEATING MODE