Hitachi RPI-4.0FSN4E - Page 91

2 Unit installation
SMGB0077 rev.0 - 01/2013
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2
S
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 lter 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 gure when using the T-duct connection. Use it as a
guide for fan selection.
(*1)
: installation of the junction box on one side.
(*2)
: installation of the junction box on both sides.