Hitachi RAS-EH36PHLAE Service Manual page 33

FROST WASH OPERATION
• The dust and dirt adhering to indoor heat exchanger which is the cause of the smell. They are washed away by
freezing and thawing of the heat exchanger.
• Frost Wash function can work when the outdoor temperature is 34
30% to 70%.
■
Frost Wash
I Operation such as
cooling operation
A
Running
• " r;;:: ;J "
+
lamp on the indoor unit lights up during Frost Wash operation.
• If you want to stop Frost Wash operation, press the � (ON/OFF) button once.
• When pressing the button such as cooling during Frost Wash operation, Frost Wash operation is discontinued and
start the cooling operation after about 3 minutes.
• In order to protect the product, Frost Wash function cannot be carried out again for about 60 minutes after Frost
Wash operation is completed.
■
Frost Wash (Manual mode)
When the unit is off, press
HITACHI
�[j
Qo/Off
0
I � I
<D
L..:::J ""'
I
I
Temp Fan-
ed
E�
I Timer off I � CEJ Powerful UP/Down
0
Timer on F.W/CL Leave Home
[QJ [@]
I� I Sleep CID Silent
0Reset
Precautions for Use
• Do not open windows or doors during frost wash operation. Water will condense on the air deflector and drips down
occasionally. This will wet your furniture.
• Do not open or remove the front panel during Frost Wash operation. It may cause injury or malfunction.
• Frost Wash operation does not wash away all dust and dirt.
• Hissing, fizzy or squeaking noise may generate during Frost Wash operation.
• If the air conditioner is continuously running, Frost Wash function is not effective.
• During Frost Wash operation, if power is turned off and then power is restored, Frost Wash function will not restart.
• After turning on the power, please wait a moment if you want to start Frost Wash.
(For single model connection)
The process of Frost Wash
I Frost Wash start I
.
About 8 min
*
It depends on the conditions of the room
Fan operation Freezing and thawing heat exchanger
The upper and lower deflector(s) remain open during fan operation, freezing, thawing.
Stop
� I
F.W/CL
(FROST WASH/CLEAN) button, manual Frost Wash will start.
■
How to start and cancel Frost Wash (Manual mode)
• Press
on the LCD. Frost Wash operation will start. "
indoor unit lights up.
• After one hour, " !. !. " disappears from the LCD. After about two
hours, the indoor unit will stop Frost Wash operation,
• In order to protect the product, Frost Wash function cannot be carried
out again for about 60 minutes after the Frost Wash operation is
completed.
• Press the L..92... (ON/OFF) button, the operation will stop.
" r;;:;
° °
to 109 F (1
I Frost Wash end I
About 20 min to 110 min
I � I
F.W/CL
(FROST WASH/CLEAN) button, " [
...
�
;J "
+
lamp on the indoor unit turns off.
33
° °
to 43 C) and indoor humidity is
\
I
Auto Stop
I
l
"
is displayed
r;;:: ;J "
+
lamp on the