Hitachi RCI-1.0FSN3 Service Manual page 91

2 Unit installation
For RCI-FSN3Ei indoor units: TKCI-232
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).
RCI unit with T-duct connection. The diameter of the T has
increased (Ø90).
The outdoor air inlet duct resistance increases as indicated in
the following figure when using the T-duct connection. Use it as a
guide for fan selection.
: installation of the junction box on one side.
(*1)
: installation of the junction box on both sides.
(*2)
79
SMGB0077 rev.0 - 01/2013
2