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 4.  BASIC OPERATIONS

3 steps to start operation

1. 

Press   to start or stop the operation.

2. 

Press 

 to select the operation mode.

The operation mode changes as follows.

(Auto)

(Cool)

(Dry)

(Fan)

(Heat)

3. 

Press 

 to set the desired temperature.

The temperature changes by 0.5 °C increments.

Temperature setting range

Auto/Cooling/Dry

18.0-30.0 °C

Heating

16.0-30.0 °C

NOTES:

•  In the Cooling or Dry mode, set the temperature lower than the 

current room temperature.

•  In the Heating mode,

- set the temperature higher than the current room temperature.

- at the beginning of the operation, the indoor unit fan rotates at very 

low speed for 3-5 minutes.

- the Automatic defrosting operation overrides the Heating operation 

when necessary.

•  In the Fan mode, temperature control is not available. 

 5.  AIRFLOW  SETTINGS

5.1.  Fan speed setting

Press 

 to control the fan speed.

The fan speed changes as follows.

(Auto)

(Quiet)

(Low)

(Med)

(High)

When 

 is selected, the fan speed depends on the operating 

condition.

NOTE:

 In the Dry mode, the fan speed is fi xed to 

.

5.2.  Airfl ow direction setting

For details of the airfl ow ranges, refer to “Airfl ow direction 

range”.

Up/down airfl ow direction setting

)

Press 

 to adjust the up/down airfl ow direction.

Left/right airfl ow direction setting

CAUTION

Before you adjust the left/right airfl ow direction, make 

sure that the horizontal louver has been stopped 

completely.

)

Adjust two knobs of the vertical louvers by hand.

Swing operation setting

)

Press 

 to start/stop the Swing operation.

NOTE:

 The Swing operation may stop temporarily when the indoor unit 

fan is rotating at very low speed or is stopped.

Airfl ow direction range

Up/down airfl ow direction

1

2

3

4

5 6

Change by 

Cooling, Dry

1

2

3 (

4

5

6)

Heating, Fan

1

2

3

4

5

6

Swing operation by 

Cooling, Dry

1

4

Heating

3

6

Fan *

1

4 or 3

6

*  The Swing operation range depends on the airfl ow direction set before 

the Swing operation.

NOTES:

•  Do not adjust the horizontal louvers by hand.

• 

In the Auto or Heating mode, the airfl ow direction stay position 1 for 

a while from the start of the operation.

• 

In the Cooling or Dry mode, the downward airfl ow can change to 

the upper as follows. This feature is to prevent condensation from 

dripping and damaging your property.
Condition:

Position 4-6 keeps for 30 minutes

Airfl ow adjusted to:

Position 3

 6.  TIMER  OPERATIONS

NOTE: 

When [   ] indicator on the indoor unit blinks, set the clock and 

timer again. This blinking shows that the internal clock goes 

wrong due to an interruption of the power supply. 

Timer setting procedure

1. 

Press 

 to choose timer operation.

  Each time you press the button, the timer operation will 

change as follows:

Off  timer

Stops the operation at your desired 

time.

On timer

Starts the operation at your desired 

time.

Program timer Operates as the combination of the 

On timer and Off  timer.

To cancel the timer setting during the procedure, press 

 .

To set sleep timer, press 

. (Refer to “6.3. Sleep 

timer”.)

2. 

Set each timer operation.

For details, refer to the following instructions of each timer 

setting.

9333892030-02_OM_EN.indd   5

9333892030-02_OM_EN.indd   5

01/27/2022   08:35:05

01/27/2022   08:35:05

Summary of Contents for ASTH07KNCA

Page 1: ... Off timer 6 6 2 Program timer 6 6 3 Sleep timer 6 7 ENERGY SAVING OPERATIONS 6 7 1 Economy operation 6 7 2 Fan control for energy saving 6 7 3 Demand Response 6 8 OTHER OPERATION 7 8 1 Powerful operation 7 9 SETTINGS ON INSTALLATION 7 9 1 Remote controller custom code setting 7 10 CLEANING AND CARE 7 11 GENERAL INFORMATION 8 12 OPTIONAL PARTS 9 12 1 Wired remote controller 9 13 TROUBLESHOOTING 9 ...

Page 2: ...or instruction concerning use of this product by a person responsible for their safety Children should be supervised to ensure that they do not play with this product Dispose of the packing materials safely Tear and dispose of the plastic packing bags so that children cannot play with them There is danger of suffocation if children play with the original plastic bags WARNING Do not start or stop t...

Page 3: ...re that the intake grille is closed completely Incomplete closing may affect the proper function or performance of the product 2 Indicator lamps light in the following conditions Name Color Operation or condition Operation Green Normal operation Timer Orange Timer operation Economy Green Economy operation 3 2 Remote controller CAUTION To prevent malfunction or damage of the remote controller Place...

Page 4: ...rflow direction The setting must be done while the setting screen is displayed for each function The button is controllable only when the air conditioner is operating Signal transmitter Aim at the signal receiver of the indoor unit properly Operating range is approximately 7 m will appear when the signal is transmitted The indoor unit will emit a beep when it receives the sig nal properly If there...

Page 5: ...ouvers by hand Swing operation setting Press to start stop the Swing operation NOTE The Swing operation may stop temporarily when the indoor unit fan is rotating at very low speed or is stopped Airflow direction range Up down airflow direction 1 2 3 4 5 6 Change by Cooling Dry 1 2 3 4 5 6 Heating Fan 1 2 3 4 5 6 Swing operation by Cooling Dry 1 4 Heating 3 6 Fan 1 4 or 3 6 The Swing operation rang...

Page 6: ... on the indoor unit will blink Blinking pattern and the intervals are as follows Operation mode Indicator lamp blinking pattern Auto Cooling Heating Dry Fan On Blinks 2 times When the DR mode finishes the air conditioner returns to the operation set before entering the DR mode 6 1 On timer or Off timer 1 Select On timer or Off timer in step 1 of Timer setting procedure 2 Each time you press the ti...

Page 7: ...troller controls When two or more air conditioners are in the room and you wish to operate them separately set the custom code 4 selections possible NOTE If custom codes are different between the indoor unit and the remote controller the indoor unit cannot receive a signal from the remote controller How to set the remote controller custom code 1 Press until the indicators on the remote controller ...

Page 8: ...ing performance of the product For frost protection an automatic defrost function is equipped in this air conditioner If frost forms the air conditioner will temporarily stop and defrost circuit will operate briefly maximum of 15 minutes indicator on the indoor unit blinks during this operation If frost forms on the outdoor unit after the Heating operation the outdoor unit will stop automatically ...

Page 9: ...eset the circuit breaker Is the timer operating To check or deactivate the timer setting refer to page 5 Poor cooling or heating performance Is the unit operating under the conditions except the permissible temperature range In this case the air conditioner may stop because of the automatic protection circuit working Do you have an arrangement with your electric company for Demand Response In this...

Page 10: ... See page Automatic defrosting operation Please wait until finishing the defrosting maximum of 15 minutes 8 Filter indicator Clean the air filter and reset the filter sign 8 Demand response operation 6 Error code display Check the error code and consult authorized service personnel 10 Timer setting error because of Auto restart Reset the clock and timer settings 8 Test run operation for authorized...

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