Hitachi RAC-25FPA, Service Manual

Page: 13 / 117

ENGLISH
– 13 –
COOLING OPERA
TION
Use the device for cooling when the outdoor temperature is -10~
43°C.
If indoors humidity is very high (80%), some dew may form on the air outlet grille of the indoor unit.
Press the MODE selector button so that the display indicates (COOL). Set the desired F
AN SPEED with the
(F
AN SPEED) button (the
display indicates the setting). Set the desired room temperature with the
TEMPERA
TURE buttons
(the display indicates the setting). The temperature setting and the actual room temperature may vary depending on conditions. Press the
(ST
AR
T/ST
OP) button. Cooling operation starts with a
beep. Press the button again to stop operation.
The cooling function
does not start if the temperature setting is higher than the current room temperature (even though the
(OPERA
TION) lamp lights).
The cooling function will start as soon as user set the temperature below the current room temperature.
Ƶ
As the settings are stored in the memory of the remote controller
, you only
have to press the
(ST
AR
T/ST
OP) button next time.
Ƶ
During
AUT
O fan, the fan speed automatically changes as below:
ƽ
When the dif
ference between room temperature and setting tem-
perature is large, fan starts to run at HI speed.
ƽ
After room temperature reaches the preset temperature, fan speed will be changed to lower speed to obtain optimum room temperature condition for natural healthy cooling.
ST
ART
ST
OP
1
3
(AUT
O)
(HIGH)
(MED)
(LOW)
(SILENT)
2
– 12 –
DEHUMIDIFYING OPERA
TION
Ƶ
Dehumidifying Function
ƽ
When the room temperature is higher than the temperature setting:
The device will dehumidify the
room, reducing the room temperature to the preset level. When the room temperature is lower than the temperature setting: Dehumidifying will be performed at the temperature setting slightly lower than the current room temperature, regardless of the temperature setting.
ƽ
The preset room temperature may not be reached depending on the number of people present in the room or other room conditions.
Set the desired room temperature with the ROOM TEMPERA
TURE setting buttons (the display indicates the
setting).
The range of 20-26°C
is recommended as the room
temperature for dehumidifying.
Press the
(ST
AR
T/ST
OP) button. Dehumidifying operation
starts with a beep. Press the button again to stop operation.
Ƶ
As the settings are stored in
the memory of the remote controller
, you
(ST
AR
T/ST
OP) button next time.
ST
ART
ST
OP
Press the MODE selector button so that the display indicates
(DEHUMIDIFY).
The fan speed is set at LOW
.
Press
(F
AN SPEED) button to select SILENT
or LOW fan
speed.
Use the device for dehumidifying when the room temperature is over 16°C. When it is under 15°C, the dehumidifying function will not work.
1
only have to press the
2
13