Hitachi RAC-DX18HDK ユーザーマニュアル

RAS-DX18HDK/RAC-DX18HDK

RAC-DX18HDK

RAS-DX18HDK

1 22

23 44

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

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)

Ь Performs heating operation when the room temperature is below 23°C.

Set the temperature to be around 23°C.

Ь Performs 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.

Ь Performs cooling operation when the room temperature is above 27°C.

Set the temperature to be around 27°C.

AUTOMATIC OPERATION

Heating

Dehumidifying

Cooling

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. (

) 2 1 egaP

TEMPERATURE Button

Room temperature setting.

Value will change quicker when

keep pressing.

FAN SPEED Button

Select the fan speed for cooling

and heating mode.

(

) 1 1 egaP

AUTO SWING Horizontal)

Button

Control the angle of the

horizontal air deﬂ ector.

(

Page 1 5 )

AUTO SWING Vertical)

Button

Control the angle of the

vertical air deﬂ ector.

(Page 1 5 )

(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.

(

)3 1 egaP

OFF TIMER Button

Select the turn OFF time.

(

) 2 1 egaP

ON TIMER Button

Select the turn ON time.

(

) 2 1 egaP

START/STOP button

Press this button to start operation.

Press it again to stop operation.

( Page 7)

(

Page 1 )4

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

  

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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.ecived eht tcetorp ot redro ni krow ton yam noitcnuf gnitaeh eht ,)C° 72 revo( mraw oot si ti nehW

• 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.)

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.

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.

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

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

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.

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.

M A beep sound emitted from indoor unit and the (TIMER) lamp

on the indoor unit turns off.

M SLEEP 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.

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

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Hitachi RAC-DX18HDK ユーザーマニュアル

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