Hitachi RAS-CH10PCAST Operation Manual page 16

FROST WASH OPERATION (GENERAL INFORMATION)
Cleaning function by frosting the indoor exchanger and allowing melted water to wash away dust particles collected on surface of exchanger.
This function only applicable during OFF mode.
Note
● Operate FROST WASH when under the following conditions
During FROST WASH operation, there could be sound generated during frosting and defrosting of heat exchanger.
●
FROST WASH operation is only available when unit is in standby mode.
●
During FROST WASH,
●
If air conditioner cumulative operation time has passed,
●
function. (Blinking remain for max. 4 min. after stopping operation)
● FROST WASH is recommended to be operated every 2 weeks. Not operate FROST WASH would cause accumulation of dust or
particles which would be diffi cult to be removed. In this case, manual servicing will be recommended.
Failure to operate FROST WASH regularly, heat exchanger would be diffi cult to be cleaned up. If operate FROST WASH when much
●
dust has accumulated on heat exchanger, fallen dust would cause the clogging of the drain fl ow path.
CAUTION
During "FROST WASH" operation, please do not open the door and windows. Water will condense on unit surface and drip down.
●
During "FROST WASH" operation, please do not open and remove the Front Panel. It may cause injury or malfunction.
●
FROST WASH (MANUAL OPERATION)
Normal operation
(EX. Cooling operation)
Operation Operation
start stop
Outdoor temperature
Indoor temperature
LED Indicator will lit up.
"FROST WASH" operation
Unit
Fan period
stop
(a) During OFF mode, press the
1
(b) FROST WASH starts with a beep and
(c) FROST WASH will be in operation for 120 minutes. After 120 minutes the unit
STOP
Press
The operation time of "FROST WASH" is around 120 min (max).
●
It may reduce the operation time depending the room condition.
●
During "FROST WASH" function, the horizontal defl ector open.
●
If is pressed immediately after unit operation is stopped, compressor will be
●
prohibited for 3 min due to protection (However
User can cancel "FROST WASH" operation by pressing
●
"Manual FROST WASH operation starts" operation is prohibited to run for 60 min after the
●
last "FROST WASH (FROST period)" operation.
21°C ~ 43°C
21°C ~ 32°C
LED indicator will blink as reminder to user to operate FROST WASH
Defrost period
FROST period
WASH operation.
LCD for 120 minutes. (FROST WASH lamp at indoor unit lit).
will stop and shall be in OFF mode.
button to cancel FROST WASH operation.
– 16 –
About 120 min (max)
Heat exchanger drying period
button to allow unit to start FROST
displayed on the remote control
LED Indicator will lit up)
button.
Automatically stop