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 filter 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
70
0
(37)
(Installation dimension)
Air flow
Air flow
(Installation
dimensio
n)
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)
?
N O T E
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
b
12
55
Min.10
50
5
840
15
5
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 flange, flexible 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
