Hitachi RCI Service Manual page 82

2 Unit installation
¿ T-duct connection position (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.
(*1)
: installation of the junction box on one side.
(*2)
: installation of the junction box on both sides.
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SMGB0063 rev. 1 - 10/2010