Hitachi RCI-1.0FSN3 Service Manual page 89

2 Unit installation
The outdoor air inlet duct resistance is indicated in the following
figure. Use as a guide for fan selection.
: installation of the junction box on one side.
(*1)
: installation of the junction box on both sides.
(*2)

T-duct connection position
For RCI-FSN3 indoor units: TKCI-160K
The T-duct connection is designed for easier connections between the outdoor air inlet and the connection duct.
The T-duct connection can only be installed when using the outdoor air inlet kit (optional) or the filter box (optional).
77
SMGB0077 rev.0 - 01/2013
Flexible Duct (2 Pieces)
50
410
T-Tube Connection
φ145
φ100
Galvanized
315
Steel Plate
Glass Wool
(Insulation)
φ75
φ105
2