Hitachi RAS-18SX8 Manuel De Maintenance page 105

Types of cleaning operation
Automatic cleaning: Cleaning conducted automatically when the product is stopped
Forcible cleaning: Cleaning conducted when the product is continuously operated
Manual cleaning: Cleaning conducted by using the MANUAL CLEANING key on the remote control unit
Basic mode
(i) Cleaner reciprocated + (ii) cleaning lamp + (iii) lateral vane closed + (iv) front panel closed
+ (v) tap for indoor unit only
*For forcible cleaning, (iii) and (iv) are open (the same as in defrost)
*Indoor unit: The special-purpose tap is on a super-slight wind level.
*After the microcomputer is reset, the product will perform initial operation.
Automatic cleaning
Setting
Cancellation This is for people who do not need filter cleaning at all.
Operation conditions
(1) A cumulative period of 10 [hours] after the last "filter cleaning" and more than 15 [minutes] in the air
conditioner operation time immediately beforehand, and when the air conditioner is stopped, the product
will clean itself.
(2) If the product stops due to the "sleep timer" or "OFF timer," the product will not clean itself even if (1) above holds.
(3) For everyday users of the "sleep timer," the product will clean itself after 20 [hours] have passed cumulatively
after the last "filter cleaning," more than 15 [minutes] in the air-conditioner operation immediately beforehand,
or when the air-conditioner is stopped.
(4) Pulling out the power plug (or in the case of a power failure or momentary power failure), the cumulative
time will not be reset.
(5) If the product runs 7 consecutive days of stoppage, it will clean itself when the air-conditioner is stopped
even if the cumulative time after "filter cleaning" has not elapsed.
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Pre-filter cleaning system
Pre-filter cleaning system
"Filter cleaning" is configured at the factory.
Double-pressing a button on the remote control unit enables switchover between
cancellation and setting.
manuals search engine
operation control (1)
operation control (2)
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MANUAL
CLEANING
RAR-3R5