Cleaning Of Kpi Units - Hitachi RCI-1.0FSR Service Manual

9 Maintenance notes

Cleaning of KPI units

9.3 Cleaning of KPI units
Filter maintenance
Preliminary procedures
Turn off all power supply switches before starting maintenance work.
Wait 5 minutes after stopping the unit before starting the cleaning procedure.
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-(252-2002)E4E and KPI-(502-1002)X4E
Pull the hinges back.
Open and remove the service cover.
!
C A U T I O N
The service cover is not fixed, pay attention when pull the hinges
back because the cover can fall.
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.
299 SMGB0137 rev.0 - 05/2021
Vacuum cleaner Air filter
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