Owner`s manual

I
9. INSTALLATION
OF
FLANGE AND DUCT
Fresh
air is intaken
by indoor
fan motors or ductable fan motor
devices
on field.
The
posltions
of fresh air intake can be
changed according
to
the
installation
of
ductable
fan motor.
Fig.9-1
NOTE
1.
The device
can be installed in
ceiling cassette
type
indoor units
(severaldirection
flow).
2. When installing
the device,
duct is needed on
field
and the rated
diameter is 75mm.
3. The
max. length of fresh
air duct is 3m.
When metal
duct
pass
through wooden wall, electric
insulation
must be add between
duct
and
wall.
The
duct must
be
pulled
out downside to
prevent
rain
and water
entering.
Net cover
must be set
at
places
where
duct explodes
to outdoor
air to
prevent
birds and animals entering.
For
different
type
of
indoor
units, the
installation
methods
are different and the
position
of holes
are different.
Removal the
hole on the
board.
'
lnstallation
Type
1
The
hole is
oppose to drainage
pipe
lnstallation
Type
2
The
hole is
oppose to refrigerant
pipe
Fig.9-3
2
Stick insulation
material 4
al
indoor
hole
Fig.9-4
'
lnstallation
Type 1
Pul
the insulttion
mtedal
4
m th€ inlerfae
of
lhe hole
as shom in F&t 99,
tha stick
on the insid€
and surfa€ of the board. The
interfa@
of
the hd€
€n
rpl hae g€p-
lnsulation
Mal€rial
]lo
'
Abqrtl&nml---] WZm'
|l
Fig"9-5
lnstallation
Type 1
Stick insulation
material
at the opening
part
of
the board.
..-'-T.i---,/
ll
Berd
IF
)1"
oV)JI'-
tl.f-l
1t
7
/ lnsulation Material
Fig.9-6
Ensure the interface
of insulation
material 4 closely
contacts
with
the inside insulation
material and the board.
No insulation matedal inside,
only removal
board
m"'-."
Fig.9-2
installation manual
16