S
Copper pipe
Spare reamer
Pipe cutter
3-2. FLARING WORK
H$
2) Completely remove all burrs from the cut cross section
#@
• Put the end of the copper pipe to downward direction
as you remove burrs in order to avoid to let burrs drop
@N"j $
""
V #j<
8<8$:
UQ#
5) Check
Hj<.
;#j #"$##j -
j<
3-3. PIPE CONNECTION
j}
%# $j<# #
<
S =
#
Indoor unit connection
H}
Q##j # =
# z "}
$ $ @8 #j
• Use tightening torque table above as a guideline for indoor unit side union joint section,
z " j
Pipe diameter
(mm)
Nut
(mm)
A (mm)
Tightening torque
Clutch
type tool
for R32,
R410A
Clutch
type tool
for R22
Wing nut
type tool
for R22
N•m
kgf•cm
>.@:L8
17
'':
':
:'
@?
??
140 to
180
>:@L
22
@8@
8
350 to
420
>?L
26
':
8'
:.8
500 to
575
>: :L
29
?@:
? 8
750 to
800
Copper
pipe
Good
!|"S
No good
Clutch type
Flaring tool
8
@
Smooth all
around
Even length
all around
Inside is shin-
ing without any
Flare nut
Die
:
.
3. OUTDOOR UNIT INSTALLATION
Copper pipe
Wing nut type
WARNING
When installing the unit, securely connect the refriger-
ant pipes before starting the compressor.
3-1. CONNECTING WIRES FOR OUTDOOR UNIT
M "
2) Loosen terminal screw, and connect indoor/outdoor unit connecting wire (A) from
<S#< T
the wire to the terminal block securely so that no part of its core is appeared, and no
# " #<
@ "# Q#$
"
8H
5) LQ
.H "
~< ~''
# "$"
S
L<
35 mm
15 mm
Lead wire
Power supply cord (K)
Outdoor unit connection
Connect pipes to stop valve pipe joint of the outdoor unit in
#
• For tightening, use a torque wrench or spanner and use
}#
3-4. INSULATION AND TAPING
H" "
$ """
@| {$ ##
U#{ "
• When piping have to be arranged through above ceiling, closet or where the
temperature and humidity are high, wind additional commercially sold insulation to
"
Terminal block
Terminal block
Cord clamp
Cord clamp
Power supply cord (K)
Power supply cord (K)
Indoor/outdoor unit
connecting wire (A)
Indoor/outdoor unit
connecting wire (A)
Q
Insert the end of the cable
<AP60>
<AP71>
