Precautions For Use - Hitachi air Home RC-AGU1EA0S Manual

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FrostWash Operation
The dust and dirt adhere to indoor heat exchanger are some of the causes of the odor. They are washed away by
freezing and thawing of the heat exchanger.
FrostWash operation can work when the outdoor temperature is 21° to 43°C.
When FrostWash could not be executed and the LED is blinking for 10s (1s ON, 1s OFF), it maybe be due to the
outdoor temperature to be out of range.
Operation is started
Normal operation
Operation is
"
" lamp on the indoor unit lights up during FrostWash operation.
When pressing "On/Off" button during FrostWash operation, FrostWash will stop.
In order to protect the product, FrostWash function cannot be carried out again for about 60 minutes after FrostWash
operation is completed.
■ FrostWash(Manual Mode)
When the unit is off, press

Precautions for Use

Do not open windows or doors during FrostWash operation. Water will condense on the air defl ector and drips down
occasionally. This will wet your furniture.
Do not open or remove the front panel during FrostWash operation. It may cause injury or malfunction.
FrostWash operation does not wash away all dust and dirt.
Hissing, fi zzy or squeaking noise may generate during FrostWash operation.
If the air conditioner is continuously running, FrostWash function is not effective.
During FrostWash operation, if power is turned off and then power is restored, FrostWash function will not restart.
After turning on the power, please wait a moment if you want to start FrostWash.
If On Timer or Off Timer is set, there is a need to cancel those timer before operating FrostWash.
The process of FrostWash
is pressed
FROST WASH operation
120 min (max)
stopped
FROST WASH ends
(FrostWash) button, manual FrostWash will start.
■ How to start and cancel FrostWash (Manual mode)
Press the FrostWash button
screen.
FrostWash operation start with beep sound and "
the indoor unit.
1
After one hour, "
the indoor unit will stop FrostWash operation.
In order to protect the product, FrostWash function cannot be carried out
again for about 60 minutes after the FrostWash operation is completed.
Press the
(On/Off) button, the operation will stop.
2
"
" lamp on the indoor unit turns off.
– 8 –
Unit remain in standby mode
, FrostWash
display on LCD
" lamp light up on
" disappears from the LCD. After about two hours,

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