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3.
installing
the indoor unit
m PKA-A.HA(L)
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Fig. 3-4
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Fig. 3-5
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Fig. 3-6
1)
2)
3.2.3.
Installing
the
wall
mounting
fixture
II_ Since
the indoor
unit
weighs
near
13 kg, 291bs,
selection
of the mounting
location
requires
thorough
consideration.
If the wall
does
not seem
to be
strong
enough,
reinforce
it with
boards
or beams
before
installation,
II_ The mounting
fixture
must
be secured
at both
ends
and
at the centre,
if
possibJe,
Never
fix it at a single
spot or in any
nonsymetdcal
way,
(If possible,
secure
the fixture
at all the positions
marked
with
a bold
arrow,)
Warning:
If possible,
secure
the fixture
at aH positions
indicated
with a bold
arrow.
Z_ Caution:
• The
unit
body
must
be mounted
horizontally,
• Fasten
at the holes
marked
with
A as shown
by the arrows.
m PKA-A'HA(L)
(Fig.
3-4)
Min. 90 ram, 3-35/64 inch (617.6 ram, 24-5/16 inch or greater with optional drain pump
installation)
(B Min, 200 mm, 7-7/8 inch
(
Min. 72 mm, 2-53/64 inch (142.5 mm, 5-39/64 inch or greater with left, rear left, or lower
left piping, and optional drain pump installation)
b Fixing screws (4 x 35 ram, 1-3/8 inch) (2
(E Levet
(F Fasten a thread to the hole,
(_ Place the level against the horizontal reference line of the mount board and mount so that it is
level. Hang a weight from the thread and align with V EPK of the mount board to permit leveling.
(H Weight
Mount board
3.3. When embedding
pipes into the wall (Fig. 3-5)
• The
pipes are on the bottom
left,
• When
the cooling
pipe, drain
pipes internal/external
connection
lines etc are to
be embedded
into the wall
in advance,
the extruding
pipes
etc, may have to be
bent
and have their
length
modified
to suit the unit.
• Use marking
on the mount
board as a reference
when adjusting
the length
of the
embedded
cooling
pipe.
• During
construction,
give the length
of the extruding
pipes etc some
leeway.
Mount board
B Reference marking for flare connection
Through hole
On-site piping
3.4. Preparing
the indoor unit
* Check
beforehand
because
the preparatory
work
will differ depending
on the
exiting
direction
of the piping.
* When
bending
the piping,
bend gradually
while
maintaining
the base of the
piping
exiting
portion.
(Abrupt
bending
will cause
misshaping
of the piping.)
Extraction
and
processing
of the
piping
and
wiring
(Fig.
3-6)
1. Connection
of indoor/outdoor
wiring
= See page.
8.
2. Wrap the felt tape
in the range
of the refrigerant
piping
and drain
hose which
will be housed
within
the piping
space
of the indoor
unit.
. Wrap
the felt tape
securely
from the base for each of the refrigerant
piping
and the drain
hose,
. Overlap
the felt tape _
at one-half
of the tape width.
, Fasten
the end portion
of the wrapping
with vinyl tape.
Liquid pipe
B Gas pipe
Indoor/outdoor
connection cable
b Drain hose
E Felt tape 3
3. Be careful
that the drain
hose is not raised,
and that contact
is not made
with the
indoor
unit box body.
Do not pull the drain hose forcefully
because
it might come
out.
@
Fig. 3-7
Rear,
right
and
lower
piping
(Fig.
3-7)
1) Be careful
that the drain hose
is not raised,
and that contact
is not made
with
the indoor
unit box body.
Arrange
the drain hose at the underside
of the piping
and wrap it with felt
tape _.
2) Securely
wrap the felt tape _i starting
from the base.
(Overlap
the felt tape
at
one-half
of the tape width.)
(
Cut off for right piping.
(B} Cut off for lower piping.
4
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