Hitachi RCI Service Manual page 365

10 Servicing
Do not start the system without the air filter to avoid blockages in the total heat exchanger.
D A N G E R
Wear gloves to avoid injuries when handling the filter.
N O T E
• Clean the heat exchanger unit once or more every two years.
• Clean the air filter more than once a year.
KPI-552H2E
Pull the hinges back.
Open and remove the service cover.
Remove the air filters located at the bottom left and bottom right,
close to the heat exchanger unit.
Use a vacuum cleaner to suck up any dust.
Dissolve a little neutral soap in cold or warm water to clean the dirt.
Place the filters in the soapy water to clean them.
Allow the filters to dry.
Fit the filter.
Close the service cover.
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SMGB0063 rev. 1 - 10/2010
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