Hitachi RCI-1.0FSN3 Service Manual page 94

2 Unit installation
Install the interlock plates as indicated in the figure.
Electrical Box
Panel
Path for
Fresh Air
Intake

For RCI-FSN3Ei indoor units: PI-23LS5
If only three outlets are necessary, use the PI-23LS5 3-way outlet part set.
Install the interlock plates as indicated in the figure.
Only one of the 4 outlets can be blocked.
N O T E
If three outlet ways are used, the quantity of air will decrease
by between 3% and 5% and there will be no significant di-
fferences within the unit working range in comparison with
the four-way outlet. However, the operating noise level will
increase from 1 to 2 dB.
82
SMGB0077 rev.0 - 01/2013
B
Blocking Plate
*Sheet
Sheet
Drain Pan
Drain Pan
*Do not attach the sheet to the
indoor unit insulation and the panel.
If adhered, the drain pan can not remove.
Indoor Unit Insulation
Panel
Blocking Plate
View from B