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13

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IV. THE AIRFLOW DIRECTION IS DIFFERENT 

FROM THE SETTING, OR THE AIRFLOW 
DIRECTION IS DIFFERENT FROM THE 
DISPLAY ON THE REMOTE CONTROLLER

• The horizontal blades do not swing when 

the remote controller displays the swing 
operation.

<HEATING OPERATION>

This is because the airflow direction is 
controlled so it is horizontal direction after 
the operation starts or when the indoor 
temperature is higher than the set 
temperature to prevent air discharge 
directly toward your body.
After a while, the swing operation starts.
(Refer to "

MOVEMENT OF THE 

HORIZONTAL BLADE

" on page 7.)

• The airflow direction display of the 

remote controller differs from the actual 
operation of the horizontal blades.

<COOLING and PROGRAM DRY 
OPERATIONS>

When the operation in a downward airflow 
direction is set, the airflow direction differs 
from the display for a period of time to 
prevent condensation on the horizontal 
blades.

<HEATING OPERATION>

This is because the airflow direction is 
controlled so it is horizontal direction after 
the operation starts or when the indoor 
temperature is higher than the set 
temperature to prevent air discharge 
directly toward your body.
After a while, the airflow direction changes 
to the set direction.
(Refer to "

MOVEMENT OF THE 

HORIZONTAL BLADE

" on page 7.)

V. HORIZONTAL BLADES DO NOT CLOSE

• The horizontal blades do not close even 

when operation stops.

This is because the horizontal blades close 
once airflow from the air conditioner stops.
After a while, the horizontal blades close.

VI. WHITE MIST COMES OUT OF THE AIR 

CONDITIONER

• When humidity is high during the 

COOLING OPERATION. (In oily or dusty 
places)

If the inside of an indoor unit is extremely 
contaminated, the temperature distribution 
inside a room becomes uneven.
It is necessary to clean the inside of the 
indoor unit. 
Ask your local dealer for details on cleaning 
the indoor unit. 
This cleaning requires a qualified service 
person.
Check the usage environment.

• When the air conditioner is changed over 

to the HEATING OPERATION after the 
DEFROST OPERATION and in the 
DEFROST OPERATION.

Moisture generated by defrost becomes 
steam and exists.
When the remote controller display shows 
"

", DEFROST OPERATION is being 

used.

VII. NOISE OF AIR CONDITIONERS

• A ringing sound after the indoor unit is 

started.

This sound is generated when the motors for 
driving the horizontal blades are working.
It will quiet down after about a minute.

• A low continuous flow "Shuh" sound 

which is heard when the air conditioner is 
in the COOLING or DEFROST 
OPERATION or a trickling sound which is 
heard when the air conditioner is in the 
DEFROST OPERATION.

This is the sound of refrigerant gas flowing 
through both indoor and outdoor units.

• A "Shuh" sound which is heard at the 

start or immediately after the stop of 
operation or which is heard at the start or 
immediately after the stop of the 
DEFROST OPERATION. 

This is the noise of refrigerant caused by flow 
stop and flow change.
During the HEATING OPERATION, the air 
conditioner switches to the DEFROST 
OPERATION automatically. 
The remote controller shows "

".

After maximum 10 minutes, the air 
conditioner returns to its original operation.

4PEN465543-1.book  Page 13  Tuesday, March 14, 2017  3:08 PM

Summary of Contents for FUA100AVEB

Page 1: ...OPERATION MANUAL FUA71AVEB FUA100AVEB FUA125AVEB Split system air conditioners...

Page 2: ...se by lay persons This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have b...

Page 3: ...tility piping lightning conductor or telephone earth lead Imperfect earthing may result in electric shocks or a fire A high surge current from lightning or other sources may cause damage to the air co...

Page 4: ...e In the event of a gas leakage build up of gas near the air conditioner may result in a fire Carry out drain piping properly to ensure complete drainage If drain piping is not carried out properly dr...

Page 5: ...roller 2 Unit without remote controller when used as simulta neous operation B OUTDOOR INDOOR 1 1 NOTE Contact your local dealer in case of changing the combination or setting of group control and two...

Page 6: ...e there are machines generating electromagnetic waves h Filled with acid and or alkaline steam or vapor Is a snow protection measure taken For details consult your local dealer about snow protection h...

Page 7: ...set The airflow direction becomes horizontal to prevent a draft of cool air to the inhabitants The remote controller displays the set airflow direction that is set DEFROST OPERATION Frost removal ope...

Page 8: ...ller to set the airflow direction For details refer to the operation manual attached to the remote controller The horizontal blades at the air outlet are closed while the indoor unit stops AIRFLOW DIR...

Page 9: ...outdoor unit is not in operation depends on the model 2 The setting before the power circuit breaker is cut off is stored The timer setting is cleared Fully use the function of airflow direction adju...

Page 10: ...50 hours equivalent to a half year a knob a Grille upper part projection b Filter c Projection d Air filter end a a 2 1 2 1 1 2 a b b b c d 3 Clean the filter Clean the contamination with a vacuum cle...

Page 11: ...ot wash the suction grille with warm water of 50 C or higher It may cause discoloration and deformation When drying the suction grille do not heat it with fire It may cause burning Do not use such as...

Page 12: ...cuit breaker during seasonal use of the HEATING OPERATION WHAT TO DO WHEN STOPPING THE AIR CONDITIONER FOR A LONG PERIOD Turn on FAN OPERATION for a half day on the fine day and dry the indoor unit Th...

Page 13: ...ndoor unit is in the FAN OPERATION COOLING OPERATION AUTOMATIC COOLING OPERATION Lower the set temperature HEATING OPERATION AUTOMATIC HEATING OPERATION Raise the set temperature The operation starts...

Page 14: ...while the horizontal blades close VI WHITE MIST COMES OUT OF THE AIR CONDITIONER When humidity is high during the COOLING OPERATION In oily or dusty places If the inside of an indoor unit is extremely...

Page 15: ...he power supply Check if the power circuit breaker is blown If the tab of power circuit breaker is in the OFF position turn the power on with the power circuit breaker switch If the tab of power circu...

Page 16: ...following malfunctions occurs take the measures shown below and contact your local dealer The air conditioner must be repaired by a qualified service person WARNING When the air conditioner is malfun...

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Page 20: ...4P465543 1 2017 01 Copyright 2017 Daikin...

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