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
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  
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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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Press the (START/STOP) button. Fan operation starts with a
beep.
Press the button again to stop operation.
START
STOP
FAN OPERATION
You can use the device simply as an air circulator. Use this function to dry the interior of the indoor unit
at the end of summer.
Press the FUNCTION selector so that the display indicates
(FAN).
1
Press the (FAN SPEED) button.
(HI) : The strongest air blow.
(MED) : Quiet.
(LOW) : More quiet.
(SILENT) : Silent.
2
FAN SPEED (AUTO) … When the AUTO fan speed mode is set in the cooling/heating operation:
For the heating operation
• The fan speed will automatically change according to the temperature of
discharged air.
• As room temperature reaches the preset temperature, a very light breeze
will blow.
• Operation starts in the “HI” mode to reach the preset temperature.
• As room temperature approaches the preset temperature, fan speed auto-
matically switches to “LOW”.
For the cooling operation
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Operation stop at setting time
Timer Reservation
OFF TIME setting
• Select the OFF TIME by pressing the (OFF)
Button.
• Setting time will change according to the below
sequence when you press the button.
1 hour interval
TIMER RESERVATION
ON Timer and OFF Timer are available.
POWERFUL OPERATION
• During POWERFUL operation, cooler or warmer air will be blown out from indoor unit for COOLING or
HEATING operation respectively.
Press the (POWERFUL) button during operation.
s" " is displayed on the LCD.
POWERFUL operation ends in 20 minutes. Then the system
automatically operates with the previous settings used before
POWERFUL operation.
START
Press the
Press the (START/ STOP) button. or
(POWERFUL) button again.
s" " disappears from the LCD.
CANCEL
NOTE
• When ECO mode is selected, POWERFUL operation is cancelled.
• During POWERFUL operation, capacity of the air conditioner will not increase
–if the air conditioner is already running at maximum capacity.
–just before defrost operation (when the air conditioner is running in HEATING operation).
• After auto restart, POWERFUL operation is cancelled and previous operation shall start.
2
1
ON TIME setting
• Select the ON TIME by pressing the (ON) Button.
• Setting time will change according to the below sequence
when you press the button.
Timer off
1 hour interval
Timer on
By pressing (POWERFUL) button during HEATING, DEHUMIDIFYING, COOLING F , A
•
s
operation, the air conditioner performs at maximum power.
, AN UTOMATIC
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ECO OPERATION
Energy saving operation by changing set temperature and by limiting the maximum power consumption
value.
Press (ECO) button during operation.
s" " is displayed on the LCD.
• Energy saving operation will start by changing
the set temperature higher or lower and saving
operation power consumption.
START
Press (START/STOP) button.
• Press (ECO) button again.
s" " disappears from the LCD.
CANCEL
NOTE
• In case the power consumption is already low,ECO operation will not reduce the power
consumption.
• By pressing (POWERFUL) button, ECO operation is cancelled.
• After auto restart, ECO operation is cancelled and previous operation mode shall start.
By pressing the (ECO) button during Heating, Automatic
Dehumidifying or Cooling operation, the air conditioner
performs the “ECO” operation.
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HOW TO SET THE SLEEP TIMER
SLEEP
IndicationMode
Sleep Timer
1 hour 2 hours 3 hours 7 hours
Sleep timer off
Sleep Timer: The device will continue working for the desired number of
hours and then turn off.
Point the signal window of the remote controller toward the indoor unit, and
press the SLEEP button.
The timer information will be displayed on the remote controller.The TIMER
lamp lights with a beep from the indoor unit.
NOTE
If you set the sleep timer when the off-time or on-timer has been set earlier, the sleep timer
becomes effective instead of the off - or on/off-timer set earlier.
...
Press (START/STOP) button.
M
Room air conditioner will switch off.
Press (SLEEP) button again until off time, “ ” and
controller display.
MA beep sound emitted from indoor unit and the (TIMER) lamp
on the indoor unit turns off.
MSLEEP TIMER operation is cancelled.
number of hour disappear from the remote
By pressing (SLEEP) button during AUTO, HEATING, DEHUMIDIFYING, COOLING or FAN
operation, the unit shifts the room temperature and reduces the fan speed.
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M

ADJUSTING THE AIR DEFLECTORS
1
Adjustment of the conditioned air in the upward and downward
directions.
The horizontal air deflector is automatically set to the proper angle
suitable for each operation. The deflector can be swung up and
down continuously and also set to the desired angle using the
“ (AUTO SWING
(HORIZONTAL ) )” button.
• In “Cooling” operation, do not keep the horizontal air
deflector swinging for a long time. Some dew may form on
the horizontal air deflector and dew may drop.
CAUTION
2
Adjustment of the conditioned air to the left and right.
HOW TO EXCHANGE THE BATTERIES IN THE REMOTE CONTROLLER
1
Remove the cover as shown in the figure and take out
the old batteries.
2
Install the new batteries.
The direction of the batteries should match the marks
in the case.
about 15 °
about 60
°
about 45
°
about 30°
When cooling,
dehumidifying
When heating
• If the “ (AUTO SWING(HORIZONTAL ))” button is pressed once,
the horizontal air deflector swings up and down. If the button is pressed
again, the deflector stops in its current position. Several seconds
(about 6 seconds) may be required before the deflector starts to move.
• Use the horizontal air deflector within the adjusting range
shown in the right.
• When the operation is stopped, the horizontal air deflector
moves and stops at the position where the air outlet closes.
• If the “ (AUTO SWING(VERTICAL ))” button is pressed once,
the deflectors will start to swing right and left. If the button is pressed
again, the deflector will stop in the current position. Several seconds
(about 6 seconds) may be required before the deflector starts to move.
Push and pull to the
dirction of arrow
Horizontal
Horizontal
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