AirStage UTY-LNH series Руководство по эксплуатации - Страница 12

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OPERATING TIPS

● Remote control unit may not be available depending on the functions, while local operation with a standard remote control unit,
including a wireless remote control unit, is prohibited.
● Display of operating condition on the indoor unit and this unit may differ while indoor unit is operated with the RC Prohibition
control.
Instructions relating to heating (*) are applicable only to "HEAT PUMP MODEL".
*Heating Performance
● This air conditioner operates on the heat-pump principle,
absorbing heat from outdoor air and transferring that heat
indoors. As a result, the operating performance is reduced
as outdoor air temperature drops. If you feel that insuffi cient
heating performance is being produced, we recommend you
use this air conditioner in conjunction with another kind of
heating appliance.
● Heat-pump air conditioners heat your entire room by recircu-
lating air throughout the room, with the result that some time
may be required after fi rst starting the air conditioner until the
room is heated.
*When Indoor and Outdoor Temperature are High
● When both indoor and outdoor temperatures are high during
use of the heating mode, the outdoor unit's fan may stop at
times.
Fan speed: AUTO
*Heating: The fan will operate at very low speed when the
temperature of the air issued from the indoor unit is
low.
Cooling:
As the room temperature approaches that of the set
temperature, the fan speed becomes slower.
Dry:
The fan runs at the low fan speed.
Mode operation: AUTO
COOLING MODEL
● When the room temperature is higher than the defi ned tem-
perature in temperature setting, the mode will switch between
Cooling and Drying.
HEAT PUMP MODEL
Auto changeover function
● When AUTO CHANGEOVER is selected, the air conditioner
selects the appropriate operation mode (Cooling or Heating)
according to your room's present temperature.
● When AUTO CHANGEOVER is fi rst 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.
Room temperature is higher than the defi ned temperature in
temperature setting → Cooling mode or Dry mode
Room temperature is close to the defi ned temperature in
temperature setting → Determined by outdoor temperature
Room temperature is lower than the defi ned temperature in
temperature setting → Heating mode
En-11
*Microcomputer-controlled Automatic Defrosting
● When using the Heating mode under conditions of low outdoor
temperature and high humidity, frost may form on the outdoor
unit, resulting in reduced operating performance.
In order to prevent this kind of reduced performance, this unit is
equipped with a Microcomputer-controlled Automatic Defrost-
ing function. If frost forms, the air conditioner will temporarily
stop, and the defrosting circuit will operate briefl y (for about
4 to 15 minutes).
During Automatic Defrosting operation, the OPERATION
indicator lamp (green) will fl ash.
Low Ambient Cooling
● When the outdoor temperature drops, the outdoor unit's fans
may switch to Low Speed.
*Hot start (for heating)
● The indoor unit prevents cold drafts when heating operation
begins.
The indoor unit fan will not operate or it will operate at a very
low speed until the heat exchanger reaches the set tempera-
ture.
● 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.
Defi ned temper-
ature in tem-
perature setting
● When the room temperature is near the temperature 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 conditioner
will once again select the appropriate operation (Heating or
Cooling) to adjust the temperature to the value set in the
indoor unit. (The monitor operation range is ±2 °C relative to
the temperature setting.)
Cooling or Dry
Determined by out-
door temperature
Heating