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Fujitsu Inverter Halcyon 9374379378 Operating Manual page 15

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OPERATING TIPS
Dual Remote Controllers (optional)
An additional remove controller can be added up to the maximum of two remote controllers. Either remote controller can control the air
conditioner. However, the timer functions cannot be used at the slave unit.
Group Control
One remote controller can control up to 16 air conditioners.
All of the air condiioners will be operatted with the same settings.
Mode operation: AUTO
COOLING MODEL
G When the room temperature is 4 °F higher than the set
temperature, the mode will switch between Cooling and
Drying.
HEAT & COOL MODEL (Reverse Cycle)
Auto changeover function
G 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.
G When AUTO CHANGEOVER is first selected, the fan will
operate at a very low speed for about 1 minute 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 or dry operation
(Monitor operation may be selected if the outdoor
temperature is low.)
If the difference between thermostat setting and actual
room temperature is within ±4 °F
→ Monitor operation
If the difference between thermostat setting and actual
room temperature is more than –4 °F
→ Heating operation
(Monitor operation may be selected if the outdoor
temperature is high.)
About Mode Operation
Heating: G Use to warm your room.
G 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.
G 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. During Automatic Defrosting operation, and the heat operation
will be interrupted.
G After the start of heating operation, it takes sometime before the room
gets warmer.
Cooling: G Use to cool your room.
G Use for gently cooling while dehumidifying your room.
Dry:
G You cannot heat the room during Dry mode.
G 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.
G The fan speed cannot be changed manually when Dry mode has been
selected.
G Use to circulate the air throughout your room.
Fan:
08M516_9374379378_en
14
G During the Drying mode operation, the FAN setting
should be switched to LOW for a gently cooling effect
during which the fan may temporarily stop rotating.
G When the room temperature is near the thermostat set-
ting, 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 conditioner will once again select the
appropriate operation (Heating or Cooling) to adjust the
temperature to the value set in the thermostat. (The moni-
tor operation range is ±4 °F relative to the thermostat
setting.)
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 set-
ting that is lower than the current room
temperature. The Cooling and Dry
modes will not operate if the thermo-
stat is set higher than the actual room
temperature (in Cooling mode, the fan
alone will operate).
During Fan mode:
You can not use the unit to heat and
cool your room.
2009.01.19, 15:14
En-14

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