OPERATING TIPS

Mode operation: AUTO

COOLING MODEL

● When the room temperature is 4 °F higher than the set

● During the Drying mode operation, the FAN setting should

temperature, the mode will switch between Cooling and

be switched to LOW for a gently cooling effect during which

Drying.

the fan may temporarily stop rotating.

HEAT & COOL MODEL (Reverse Cycle)

Auto changeover function

When AUTO CHANGEOVER is selected, the air condi- tioner selects the appropriate operation mode (Cooling or Heating) according to your room’s present tempera- ture.

When AUTO CHANGEOVER is first selected, the fan will operate at a very low speed for about a few minutes while the unit determines the current conditions of the room and selects the proper operation mode.

If the difference between thermostat setting and actual room temperature is more than +4 °F

Cooling operation

If the difference between thermostat setting and actual room temperature is within ±4 °F

Determined by outdoor temperature

If the difference between thermostat setting and actual room temperature is more than –4 °F

Heating operation

When the room temperature is near the thermostat setting, the air conditioner will begin monitor operation. In the monitor operation mode, the fan will operate at a very low speed. If the room temperature subsequently changes, the air condi- tioner will once again select the appropriate operation (Heating or Cooling) to adjust the temperature to the value set in the thermostat.

About Mode Operation

Heating: ● Use to warm your room.

When Heating mode is selected, the air conditioner will operate at very low fan speed for about 3 to 5 minutes, after which it will switch to the selected fan setting. This period of time is provided to allow the indoor unit to warm up before beginning full operation.

When the room temperature is very low, frost may form on the outside unit, and its performance may be reduced. In order to remove such frost, the unit will automatically enter the defrost cycle from time to time. Dur- ing Automatic Defrosting operation, and the heat operation will be inter- rupted.

After the start of heating operation, it takes sometime before the room gets warmer.

Cooling: ● Use to cool your room.

Dry: ● Use for gently cooling while dehumidifying your room.

You cannot heat the room during Dry mode.

During Dry mode, the unit will operate at low speed; in order to adjust room humidity, the indoor unit’s fan may stop from time to time. Also, the fan may operate at very low speed when adjusting room humidity.

The fan speed cannot be changed manually when Dry mode has been se- lected.

Fan: ● Use to circulate the air throughout your room.

During Heating mode:

Set the thermostat to a temperature set- ting that is higher than the current room temperature. The Heating mode will not operate if the thermostat is set lower than the actual room temperature.

During Cooling/Dry mode:

Set the thermostat to a temperature setting that is lower than the current room temperature. The Cooling and Dry modes will not operate if the thermostat is set higher than the actual room tem- perature (in Cooling mode, the fan alone will operate).

During Fan mode:

You can not use the unit to heat and cool your room.

AUTO Restart

In Event of Power Interruption

● Should the power supply to the air conditioner be inter-

● Use of other electrical appliances (electric shaver, etc.) or

rupted by a power failure, the air conditioner will restart

nearby use of a wireless radio transmitter may cause the

automatically in the previously selected mode once the

air conditioner to malfunction. In this event, temporarily

power is restored.

disconnect the power supply, reconnect it, and then use

 

the remote controller to resume operation.

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Fujitsu Halcyon Air Conditioner Mode operation Auto, Auto Restart, Heat & Cool Model Reverse Cycle, About Mode Operation