Left or left-rear piping
Note:
Be sure to reattach the drain
hose and the drain cap in case
of left or left-rear piping.
Otherwise, it could cause drops
of water to drip down from the
drain hose.
1) Put the refrigerant piping and the drain hose together, then
!
2) Pull out the drain cap at the rear right of the indoor unit.
(Fig. 1)
" #$%$
cap.
&
(Fig. 2)
" #$'
drain hose forward.
& $ $ $
hose is to be attached at the rear of the indoor unit.
!
" * +!$$
the hole at the end of the cap and insert the cap fully
into the drain pan.
/*
!!
" 0$''$ 3$
of its inserting part at the drain pan.
4*05'
the upper part of indoor unit on installation plate (1). Then,
$ '
$! !$' $
60 $$ !%5
5'$'5 $
the indoor unit. (Fig. 5)
80$! !% 9
9) Thrust the lower part of the indoor unit into the installation
plate (1).
Drain cap
Drain cap
Drain hose
Cut off in case of left
piping.
Drain cap
Piping tape (G)
Drain hose
Fig. 1
Fig. 2
!
!
Fig. 5
Burr
Copper pipe
Spare reamer
Pipe cutter
3-2. FLARING WORK
1) Cut the copper pipe correctly with pipe cutter.
(Fig. 1, 2)
2) Completely remove all burrs from the cut cross section
!
" &$ $
as you remove burrs in order to avoid to let burrs drop
in the piping.
Mk$5
then put them on pipe having completed burr removal.
H k!'
!'!5/$
dimension shown in the table. Select A mm from the
table according to the tool you use.
/0$'
" 0 k'!4
" *k$5$k$-
k!'!
3-3. PIPE CONNECTION
" kx$ $
" = !5 k ' ! $ !
'!
" 9 !<$$$ !
in burns or frostbite.
Indoor unit connection
Connect both liquid and gas pipings to indoor unit.
" K $!}k < !-
$@%$!!x!$
" $$5!$5!k
" !!x!3$5
!!$@%$!!!k$
Outdoor unit connection
0$ 3
same manner applied for indoor unit.
" !!5x$
same tightening torque applied for indoor unit.
3-4. INSULATION AND TAPING
0 !3 $
2) For outdoor unit side, surely insulate every piping including valves.
! ! I5 !!
" J ! I !$
" = !!!$!5$
humidity are high, wind additional commercially sold insulation to prevent condensation.
Rear, right, or downward piping
1) Put the refrigerant piping and the drain hose
!5 ! I
the end.
U* !
05'
indoor unit on the installation plate (1).
0$''$ !
the unit to left and right.
?
Pipe diameter
(mm)
H
(mm)
A (mm)
Tightening torque
Clutch type
tool
MWK
Clutch type
tool
MUU
=!
type tool
MUU
H"
'!"$
~4/Q
17
0 to 0.5
1.0 to 1.5
1.5 to 2.0
666 W8W
~|/U8Q
22
U /WUW
~U6UQ
26
2.0 to 2.5
|W/4 500 to 575
~/88/8Q
29
6/68 750 to 800
Drain Piping
" *% !5 $-
mercially sold insulation.
" ? k!
" * 5$$
* !U
" =$$!$ 5
$ !
<' !
Do not raise
Accumulated
drain water
Air
=!
=
'!
=
'!
=
'!
Tip of drain
hose dipped
in water
Ditch
At least
50 mm
gap
Cut off in case of
right piping.
Cut off in case of
downward piping.
Copper
pipe
Good
Tilted Uneven Burred
H!
Fig. 1
Fig. 2
Clutch type
Flaring tool
!
!
Smooth all
around
@!
all around
*-
ing without any
scratches.
Flare nut
Die
Fig. 5
Fig. 6
Downward
slope
Drain
hose
Soft hose
*</
Drain hose
#$
*<W
*
securely
Different
3
70 cm
or more
Fig. 1
Fig. 2
!
3. OUTDOOR UNIT INSTALLATION
Copper pipe
=!
3-1. CONNECTING WIRES FOR OUTDOOR UNIT
1) Open the service panel.
UE $5 $$ $$! K
$$$'9$'+!%
$'$ $ 5
%$$$$!$$'
!$ !K!!5
!$
0$ $
/%$$!K $$
clamp.
6) Close the service panel securely.
E
?$'
Cord clamp
[JU/5/5U\
*
connecting wire (A)
Power supply cord (K)
/
15 mm
Cord clamp
[J/W\
WARNING
When installing the unit, securely connect the refrigerant
pipes before starting the compressor.
" ;' !
;WW
" $!5!%!
to the connecting wires.
" 9 $ $ $
correspondent terminal when securing
the cord and/or the wire to the terminal
$'
