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Installing intake grille

1. 

While holding the intake grille horizontal, set the left and 

right mounting shafts into the pillow blocks at the top of the 

front panel. 

Insert the shaft until it snaps to latch each shaft properly.

2. 

Close the intake grille.

3. 

Press 4 places on the intake grille to close it completely.

After extended non-use of the unit

If you have shut down the indoor unit for 1 month or more, perform the 

Fan mode operation for half a day to dry the internal parts thoroughly 

before the normal operation.

Additional inspection

After long period of use, accumulated dust inside the indoor unit may 

reduce the performance even if you have maintained the unit properly.
In such a case, a product inspection is recommended.
For more information, consult authorized service personnel.

Filter indicator reset (Special setting)

This function can be used if set correctly during installation. Consult 

authorized service personnel in order to use this function.

 

)

Clean the air filter when the indicator lamp shows the 

following:

Indicator lamp

Blinking pattern

   

Blinks 3 times, at intervals of 21 seconds

After cleaning, reset the filter indicator by pushing

 

 

on the indoor unit 

for 2 seconds or less. (Refer to page 3.)

11. GENERAL  INFORMATION

 

Heating performance

This air conditioner operates on the heat-pump principle, absorbing 

heat from air outdoors and transferring that heat to the indoor unit. As a 

result, the operating performance is reduced as outdoor air temperature 

drops.

If you feel that the heating performance is insufficient, we recommend 

you to use this air conditioner in conjunction with other kinds of heating 

appliance.

 

Automatic defrosting operation

When outdoor temperature is very low with high humidity, frost may 

form on the outdoor unit during the heating operation, and it could 

reduce the operating 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 after it operates for a few minutes. Then the 

Automatic defrosting operation starts.

 

Auto-restart function

In event of power interruption such as a blackout, the air conditioner 

stops once. But it restarts automatically and performs previous operation 

when the power supply is resumed.
If any power interruption occurs after the timer is set, counting down of 

the timer will be reset. 
After the power supply is resumed, [   ] indicator on the indoor unit 

blinks to notify you that there has been a timer fault. In such a case, 

reset the clock and timer settings.

1. 

Wipe the indoor unit body gently with a soft cloth moisten 

with warm water.

2. 

Wipe the indoor unit body gently with a dry and soft cloth.

Cleaning air filter

1. 

Open the intake grille.

2. 

Remove the air filters.

Lift up the air filters’ handle, disconnect the two lower tabs, and pull 

out.

Air filter handle

Hooks (2 places)

3. 

Remove the dust in either of the following ways.

•  Cleaning with vacuum cleaner.

•  Washing with mild detergent and warm water. After washing, dry the 

air filters thoroughly in shade.

4. 

Replace the air filters.

Align the sides of the air filter with the panel, and push in fully. 

Make sure to the two lower tabs are returned to their holes in the 

indoor unit properly.

5. 

Close the intake grille. 

Press 4 places on the intake grille to close it completely.

NOTE: 

If dirt accumulates on the air filter, airflow will be reduced, 

operating  efficiency will lower, and the noise will increase.

Removing and installing intake grille

 

Removing intake grille

1. 

Open the intake grille.

2. 

While pressing the left and right mounting shafts outward 

gently, pull the intake grille.

9333892030-02_OM_EN.indd   8

9333892030-02_OM_EN.indd   8

01/27/2022   08:35:07

01/27/2022   08:35:07

Содержание ASTH07KNCA

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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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