Hitachi FSG1 Series Technical Catalogue page 274

UNITS INSTALLATION
12
/44
Branched Duct Connection (2- Øc Knockout Hole)
a
b
Opening and Closing Suction Grille
Panel Supplied Separately
Fig. A. Dimensions of Duct Connection
Model
RCI-1.0
RCI-2.0
280
RCI-2.5
RCI-3.0
RCI-4.0
300
RCI-5.0
2. The outline of connection is shown in the figure below.
Indoor unit Main Body
(A) Insulated Material
Optional
Panel
Outlet Blocking Plate
( 3-Way Outlet Part Set )
60º
30
6-M4
(Self-Tapping Screw Hole)
a b c
180 150
235 200
(B) Insulation Material
( Semi-Noncombustible Material)
Band
Ø4 Tapping Screw
Connection Flange
(Example of Branched Duct Connection)
6- Ø6 Hole
Fig. B. Dimension Example of Connection Flange
Material: Polyurethane
740
Fig. C. Insulation Material (A)
Flexible Duct
( Approved Noncombustible Material )
Outlet Box
Material: Galvanised Sheet
Øc
Øb
Attachment
Leg
20
10
Outlet Panel
50