Hitachi RCI-1.0FSN3 Service Manual page 422

12 Maintenance notes
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Cleaning the floor console and floor concealed console indoor unit RPF(I)
Remove the front panel in line with the instructions given in chap-
ter Removal of the front panel.
Remove any dust from the heat exchanger.
Remove the dust from the heat exchanger by brushing it in a
downwards direction. Collect all of the dust in a bucket or a card-
board box.
Disconnect the drain pipe from the piping.
Cover the rear of the heat exchanger with a sheet of vinyl after
removing the front partition and the drain pan. After covering the
rear, refit the front partition and the drain pan.
Lift the drain pipe and place the end in a bucket.
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SMGB0077 rev.0 - 01/2013