Hitachi RCI-1.0FSN3 Service Manual page 427

12 Maintenance notes
Cleaning energy recovery ventilation unit elements
N O T E
Clean the element once or more every two years to prevent the air flow and efficiency from dropping.
C A U T I O N
• Do not wash the element with water under any circumstances.
Do not use the hard nozzle on the vacuum cleaner, as this could damage the exposed parts of the heat ex-
•
changer.
KPI-(252-2002)(E/H)3E and KPI-(502-1002)X3E
Hold onto the handle. Remove the two total heat exchanger ele-
ments from the main unit.
KPI-(252-2002)E3E and KPI-(502-1002)X3E
Use a vacuum cleaner to suck up any dust and dirt from the expo-
sed surfaces of the total exchanger elements.
Fit a nozzle with a brush to a vacuum cleaner to carry out this task.
Clean the elements by brushing the exposed surfaces gently.
Fit the element.
Fit the air filter.
Close the service cover.
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SMGB0077 rev.0 - 01/2013
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