Hitachi RCIM-1.5FSRE - Page 32

2 Optional accessories
Duct adapter - Outdoor air inlet
SMGB0137 rev.0 - 05/2021
22
Installaninspectionpanel-6-belowtheductfansothatmaintenanceoperationscanbecarriedoutontheairlterand
the damper.
Alwaysuseadamperandadjusttheamountofairwhereafanwithasupplyvolumehigherthantheoutdoorairinlet
volume limit is used.

Duct connection OACI-160K2
20
50
10
5
55
80
174
850
700
887
775
(37)
850 700
(37)
(Installation dimension)
Airow
Airow
(Installation dimension)
U-shaped hook
(2 portions)
Fixing plate
(4 portions)
Connecting box
(accessory)
Flange
(accessory)
Insulation
(Polyethylene)
Packing
(EPDM)
(Installation height)
(Before compression)
(After compression)
Air panel side
Indoor unit side
Fresh air
(total heat
exchanger)
Fresh air
(total heat
exchanger)
? NOTE
The total height of the unit is increased by around 55 mm when the outdoor air inlet duct (OACI-160K2) is installed. Take this measurement
into account when installing the unit.
Dimensions
a
b12
55
Min.10
50
5
840
155
φ
75
P
φ
75
φ
75
760
840
760
705
840
40*
(85)
Installation height
Fresh air intake kit
Indoor unit
Packing
Air panel
Ceiling
Air inlet grille
(Attachedwithairpanel)
T-Tube connecting kit (∅ 75x2)
(T-Tubeange,exibleduct)
Flexible duct (∅ 150)
(Field-supplied)
Electrical box
View from P
(Suspending position)
Dimension for opening:
910~920
Dimension for opening: 860~910
Fresh air
(total heat exchanger)
(after compression)
* When installing the indoor unit, keep
the dimension min 40 mm to prevent the
interferencewiththeconnectingbox
HP a b
(1.0-3.0) 328 241
(4.0-6.0) 378 291