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Explanation of symbols displayed on the indoor unit or outdoor unit.

WARNING

This symbol shows that this product uses a low 

burning velocity material. If the refrigerant is leaked 

and exposed to an external ignition source, there is a 

risk of fire.

CAUTION

This symbol shows that the operation manual should 

be read carefully.

CAUTION

This symbol shows that a service personnel should 

be handling this equipment with reference to the 

installation manual.

CAUTION

This symbol shows that information is available such 

as the operating manual or installation manual.

 WARNING

•  When installing this product to an unventilated area, 

pay attention to prevent fire and explosion caused by 

the stagnated gas in case of refrigerant leakage. (For 

products which contain more than 1.842 kg refrigerant.)

•   This product contains no user-serviceable parts. 

Always consult authorized service personnel for 

repairing, installation, and relocation of this product. 

Improper installation or handling will cause leakage, 

electric shock, or fire.

•  In the event of a malfunction such as burning smell, 

immediately stop operation of the air conditioner, and 

disconnect all the power supply by turning off the 

electrical breaker or disconnecting the power plug.

Then consult authorized service personnel.

•  Take care not to damage the power supply cable. 

If it is damaged, it should be replaced only by 

authorized service personnel in order to avoid a hazard.

• 

If a refrigerant leakage is suspected, all naked flames shall be 

removed or extinguished, and consult authorized service personnel.

•  In the event of a thunder storm or any prior sign of a lightning strike, turn 

off the air conditioner via the remote controller, and refrain from touching 

the product or the power source to prevent any electrical hazards.

•  This product shall be stored in a room without continuously 

operating ignition sources (for example: open flames, an 

operating gas appliance or an operating electric heater).

•  This product shall be stored in a well-ventilated area.
•  Be aware that refrigerants may not contain an odour.
•  This product shall be stored so as to prevent 

mechanical damage from occurring.

•  Disposing of the product shall be done properly, in 

compliance with national or regional regulations.

•  During transportation or relocation of the indoor unit, 

pipes shall be covered with the wall hook bracket for 

protection. 

Do not move this product by holding the indoor unit pipes. 

(The stress applied to the pipe joints may cause the 

flammable gas to leak during operation).

•  This product is not intended for use by persons (including 

children) with reduced physical, sensory or mental 

capabilities, or lack of experience and knowledge, 

unless they have been given supervision 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 the operation of this product by 

inserting or pulling out the power plug, or by turning 

on or off the circuit breaker.

• 

Do not use flammable gases near this product.

• 

 Do not expose yourself directly to the cooling airflow 

for many hours.

• 

Do not insert your fingers or any other objects into the 

outlet port or intake grille.

•  Do not operate with wet hands.

•  Do not use means to accelerate the defrosting 

process or to clean this product, other than those 

instructed in this manual.

•  Do not pierce or burn.

 

 CAUTION

•  Provide occasional ventilation during use.

• 

Before cleaning this product, be sure to turn it off and 

disconnect all the power supply.

• 

Always operate this product with air filters installed.

•  Ensure that any electronic equipment is at least 1 m 

(40 in) away from this product.

•  Disconnect all the power supply when not using this 

product for extended periods.

•   After a long period of use, ensure to get the mounting 

of the indoor unit checked to prevent this product from 

falling down.

• 

The airflow direction and the room temperature should 

be carefully considered when you use this product in a 

room with infants, children, elderly or sick persons.

•   Keep the surroundings of the outdoor unit clean and 

tidy, and do not place items around it. Any objects 

blocking or entering from the outlet ports may cause 

product malfunction.

• 

Do not direct the airflow at fireplaces or heating apparatus.

•  Do not block or cover the intake grille and the outlet port.

• 

Do not apply any heavy pressure to radiator fins.

•  Do not climb on, place objects on, or hang objects 

from this product.

•   Do not place any other electrical products or 

household belongings under this product. Dripping 

condensation from this product might get them wet, 

and may cause damage or malfunction of your 

property.

•  Do not expose this product directly to water.

•  Do not use this product for preservation of food, plants, 

animals, precision equipment, art work, or other objects. 

This may cause quality deterioration of those items.

• 

Do not expose animals or plants to the direct airflow.

•  Do not drink the drainage from the air conditioner.
•  Do not pull the power supply cable.

• 

 Do not touch the aluminum fins of heat exchanger 

built-in this product to avoid personal injury when you 

maintain the unit.

•   Do not stand on unstable steps when operating or 

cleaning this product. It may overturn and can cause 

injury.

This product contains fluorinated greenhouse gases.

2.  PREPARATION

 WARNING

•  Take care to prevent infants and young children from 

accidentally swallowing the batteries.

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01/27/2022   08:35:02

01/27/2022   08:35:02

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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