– 96 –
•
U
se th
e tight
ening t
o
rq
ue levels as listed
in
the
table
be
lo
w
.
•
T
ighte
n
ing to
rq
ue of
fla
re
pipe con
nections.
P
ressure o
f R4
10A is high
er t
han t
hat o
f R2
2.
(App
rox.
1.6 tim
es) The
re
fore
, using a
torque
wrench, t
ig
h
ten t
he flare p
ip
e
conne
ctin
g sections
which con
nect the
indoo
r a
nd ou
tdoor un
it
s
of the
sp
eci
fie
d t
ig
h
te
n
ing
t
o
rq
ue
.
In
corr
ect conn
ections ma
y
cau
s
e not on
ly a ga
s
leak,
b
u
t also a
tro
uble of
the refrigeration
c
ycle.
CAU
TI
ON
Tightening with an excessive
torque may crack the nut
depending on installation
conditions.
Airtight test / air purge, etc.
For
air tigh
tness test,
adding
re
frigeran
t, refer to th
e
Installation
Man
ual atta
c
h
ed to
the o
u
tdo
or
unit.
CAU
TI
ON
Do not supply power to the indoor
unit and the hot water module
until the airtight test and
vacuuming are completed. (If the
indoor unit or the hot water
module is powered
on, the pulse
motor valve is fully closed, which
extends the time
for vacuuming.)
Open the valve fully
Open
the valve o
f the
outdo
or unit fully.
Heat insulation process
A
pply heat
in
sulation fo
r th
e pipe
s
s
e
par
ately at
liquid
side
and g
a
s side.
•
F
or the h
eat insu
la
tio
n to t
he pipe
s
at ga
s
s
ide
, use
the
mat
erial with he
at-
resisting te
mpe
ra
ture 120
°C
or
highe
r.
•
T
o use
the a
ttached
heat
in
sulation pipe
, app
ly t
he
he
at in
s
u
la
tio
n to the pi
pe conn
ecting section of the
ho
t wa
ter mod
u
le securely with
out ga
p.
REQUIREMENT
•
App
ly th
e he
at insulation
to the
pipe con
necting
section o
f the
hot wate
r modu
le
s
e
cure
ly u
p
to t
he
root with
out exposu
re of th
e
p
ip
e
. (The
pipe
e
x
p
o
sed
to
the ou
tsid
e causes wate
r lea
k.)
•
W
rap
heat
in
s
u
la
tor with
its slits facing u
p
(ceiling
side).
Installation of remote
controller (Sold
s
eparately)
For installation of t
he wired remote cont
roller, follow
the
In
stallation
M
anu
al
att
a
ched with the re
mot
e
cont
roller.
•
P
ull out
the remote co
ntrolle
r cord to
geth
er
with th
e
refrig
era
nt pipe
or drain pipe.
Pass th
e remo
te controller cord throug
h upp
er
s
ide
of
the refrigerant p
ip
e
and
drain pipe.
•
D
o not
le
ave th
e remot
e controller at a
place
expo
s
e
d to
the d
irect sun
ligh
t and
near a sto
ve.
O
uter di
a. of connecting
pipe (mm)
Ti
ghteni
ng t
orque
(N
•m
)
6.4
14 to 18 (1.
4
to 1.8
kgf•m
)
9.5
33 to 42 (3.
3
to 4.2
kgf•m
)
12.7
50 to 62 (5.
0
to 6.2
kgf•m
)
15.9
63 to 77 (6.
3
to 7.7
kgf•m
)
Hot water
module
Uni
o
n
He
at in
sulation pip
e
(Acce
ssory
)
Banding b
and
(locall
y
pr
ocur
ed)
Heat insulat
o
r of
the pipe
Flare nut
9
Electrical connection
WAR
NI
NG
•
Use the specified wires for
wiring connect the terminals.
Sec
urely fix them to prevent
external forces applied to the
terminals from affecting the
terminals.
Inco
mp
lete connection or
fixation may cause a fire or
other trouble.
•
Connect earth wire.
(grounding work)
Incomplete grounding cause an
electric shock.
Do not connect earth wires to
gas pipes, water pipes, lightning
conductor or telep
hone earth
wires.
•
Appliance shall be installed
in accordance w
ith national
wiring regulations.
Capacity shortage of power
circuit or incomplete installation
may cause an electric shock or
a fire.
CAU
TI
ON
•
If incorrect / incomplete wiring is
carried out, it will cause
an
electrical fire or smoke.
•
Install an earth leakage breaker
that is not tripped
by shock
waves
.
If an earth leakage breaker is
not installed, an electric shock
may be caused.
•
U
se the cord clamps attached to
the product.
•
D
o not damage or scratch the
conductive core
and inner
insulator
of power and inter-
connecting wires when peeling
them.
•
U
se the power cord and Inter-
connecting wire of specified
thickness, type, an
d protective
devices required.
•
D
o not connect 220 V – 240 V
power to the terminal blocks (
,
,
,
) for control wiring
an
d
the terminal blocks (COM, S1,
S2, S3, S4, S5) for output
function. (Otherwise, the
system will fail.)
•
D
o not damage or scratch the
conductive core
and inner
insulator
of power and inter-
connecting wires when peeling
them.
•
P
erform the electric wiring so
that it does not co
me
to contact
with the high-temperature part
of the pipe.
The coating may melt resulting
in an accident.
U
1
U
2
A
B
