Hitachi air Core 600 Installation & Maintenance Manual page 24

3. Filter Cleaning
Do not operate the system without air filter to protect the indoor unit heat exchanger against being
clogged.
Turn OFF the main power switch before taking the filter.
3.1 Filter Cleaning ndication I
When letters "FC" , it indicates it's time to clean the filter.
3.2 Take Out the Filter
Take out the air filter according to the following steps.
Step 1
Open the air inlet grille after pushing the two knobs as the arrow mark.
Step 2
Take out the air filter from the air inlet grille by supporting the air grille and lifting the air filter after detaching
the filter from the hinges.
3.3 Clean the Filter
Clean the air filter according to the following steps.
Step 1
Use a vacuum cleaner or let water flow onto the air filter for removing the dirt from the air filter.
Do not use hot water with temperature higher than 40℃.
Step 2
Dry the air filter in the shade to remove excess moisture.
3.4 Resetting of Filter
When the filter is cleaned as required ,Press ON/OFF or MODE button can exit the CLEAN mode, then the
indicator " " will disappear.
Intake Grille
Grille Knob
22
Operation Manual