Hitachi RAS-DX18HDK User manual

RAS-DX18HDK/RAC-DX18HDK
RAC-DX18HDK
RAS-DX18HDK
1 22
23 44

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RAS-DX18HDK
RAC-DX18HDK
1050
792
290
420
220
299
FILTER LAMP
Light indicator showing that it is time to clean the
filter.
18
15
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TEMPORARY
SWITCH
TEMPORARY
SWITCH
When the device is operated for a total of about 200
hours, the FILTER lamp lights indicates that it is time
to clean the filter.The lamp goes out when the
“(AUTO SWING) ” button is pressed while the
operation is stopped.
Filter Lamp (Green)
ЬPerforms heating operation when the room temperature is below 23°C.
Set the temperature to be around 23°C.
ЬPerforms dehumidifying operation when the room temperature is 23~27°C.
The preset temperature will be the room temperature at the time of start of air conditioner
operation.
ЬPerforms cooling operation when the room temperature is above 27°C.
Set the temperature to be around 27°C.
AUTOMATIC OPERATION
Heating
Dehumidifying
Cooling
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NAMES AND FUNCTIONS OF EACH PART
Signal Transmission
Use this button to select the
operating mode. Every time
you press it, the mode will
change from
Transmission Sign
The transmission sign blinks
when a signal has been send.
POWERFUL Button
Press this button to start
powerful operation. ( )21egaP
TEMPERATURE Button
Room temperature setting.
Value will change quicker when
keep pressing.
FAN SPEED Button
Select the fan speed for cooling
and heating mode.
()11egaP
AUTO SWING（Horizontal)
Button
Control the angle of the
horizontal air deflector.
(Page 15)
AUTO SWING（Vertical)
Button
Control the angle of the
vertical air deflector.
(Page 15)
(AUTO) to
(COOL) to (HEAT)
(DEHUMIDIFY) and
FUNCTION selector
to
(FAN) cyclically.
to
SLEEP button
Use this button to set the sleep
timer.
ECO Button
Use this button to set the ECO
mode.
()31egaP
OFF TIMER Button
Select the turn OFF time.
()21egaP
ON TIMER Button
Select the turn ON time.
()21egaP
START/STOP button
Press this button to start operation.
Press it again to stop operation.
( Page 7)
(Page 1 )4
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VARIOUS FUNCTIONS
Auto Restart Control
• If there is a power failure, operation will be automatically restarted when the power is resumed with
previous operation mode and airflow direction.
(As the operation is not stopped by remote controller.)
• If you intend not to continue the operation when the power is resumed, switch off the power supply.
When you switch on the circuit breaker, the operation will be automatically restarted with previous
operation mode and airflow direction.
Note: 1. If you do not require Auto Restart Control, please consult your sales agent.
2. Auto Restart Control is not available when Timer or Sleep Timer mode is set.
AUTOMATIC OPERATION
O
M
M
  
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Press the (START/STOP) button. Heating operation starts
with a beep. Press the button again to stop operation.
START
STOP
HEATING OPERATION
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• In order to keep reliability of the device, please use this device above -2°C of the outdoor
temperature.
Press the FUNCTION selector so that the display indicates
(HEAT).
1
Set the desired FAN SPEED with the (FAN SPEED) button
(the display indicates the setting).
(AUTO) : The fan speed changes automatically according
to the temperature of the air which blows out.
(HI) : Economical as the room will become warm
quickly.
But you may feel a chill at the beginning.
(MED) : Quiet.
(LOW) : More quiet.
(SILENT) : Silent.
2
Set the desired room temperature with the TEMPERATURE
buttons (the display indicates the setting).
The temperature setting and the actual room temperature may
vary somewhat depending on conditions.
3
As the settings are stored in memory in the remote controller, you
only have to press the (START/STOP) button next time.
Defrosting
Defrosting will be performed about once an hour when frost forms on the heat exchange of the outdoor unit,
for 5~10 minutes each time.
During defrosting operation, the operation lamp blinks in cycle of 3 seconds on and 0.5 second off.
The maximum time for defrosting is 20 minutes.
(If the piping length used is longer than usual, frost will likely to form.)
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DEHUMIDIFYING OPERATION
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.
Press the (START/STOP) button.
START
STOP
Press the FUNCTION selector so that the display indicates
(DEHUMIDIFY).
Press the (FAN SPEED) button to select LOW and SILENT.
1
When you want to change the operation mode, please use the
FUNCTION selector.
Set the desired temperature is available.
You also can use the FUNCTION selector to select this operation.
Dehumidifying Function
• Dehumidifying takes place with a target temperature which is slightly lower than the room
temperature setting. (However, target temperature is 16°C for a temperature setting of 16°C.)
If the room temperature becomes lower than the target value, operation stops. If the room
temperature becomes higher than the target value, operation restarts.
• The preset room temperature may not be reached depending on the number of people present in
the room conditions.
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Press the (START/STOP) 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 (OPERATION)
lamp lights).
The cooling function will start as soon as you set the temperature
below the current room temperature.
START
STOP
COOLING OPERATION
Use the device for cooling when the outdoor temperature is 7 to 43°C.
If humidity is very high (over 80%) indoors, some dew may form on the air outlet grille of the indoor
unit.
Press the FUNCTION selector so that the display indicates
(COOL).
1
Set the desired FAN SPEED with the (FAN SPEED) button
(the display indicates the setting).
(AUTO) : The FAN SPEED is HI at first and varies to MED
automatically when the preset temperature has
been reached.
(HI) : Economical as the room will become cool quickly.
(MED) : Quiet.
(LOW) : More quiet.
(SILENT) : Silent.
2
Set the desired room temperature with the TEMPERATURE
buttons (the display indicates the setting).
The temperature setting and the actual room temperature may
vary somewhat depending on conditions.
3
As the settings are stored in memory in the remote controller, you
only have to press the (START/STOP) button next time.
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