– 97 –
REQUIREMENT
•
F
or
power
supply wir
in
g
, strictly conform to
the Lo
c
a
l
Regu
la
tion in e
a
ch coun
try.
•
F
or wiring o
f power supp
ly of
the o
u
tdo
o
r
units,
fo
llow th
e Insta
llation
Man
ual of e
a
ch ou
tdoor un
it
.
•
P
erfo
rm
the
electric wiring
s
o
that
it
does no
t com
e
to conta
c
t with
the high
-te
mpe
rat
ure
part of
the
p
ip
e
.The coa
ting m
a
y me
lt
resulting
in
an a
c
cide
nt.
•
A
fter conn
ecting
wires to
the
te
rmin
al blocks,
pro
v
id
e
a
tra
p an
d fix wires with
the
c
o
rd
c
lam
p.
•
R
un t
h
e refrig
era
nt piping line a
nd cont
rol wiring line
in t
he same line.
•
D
o n
o
t turn o
n
the
power of th
e hot
wa
ter mod
u
le
u
ntil
v
a
cuum
in
g of th
e refrig
era
nt pipe
s complet
es.
Power supply wire and
communication wires
specifications
Power supply wire a
nd com
mu
nica
tio
n wires are
procured locally.
For the
po
we
r supply specifica
tio
ns, follo
w to the tab
le
below. If ca
pacity is
little, it is da
ngerous b
e
cause
overheat
or burnou
t may b
e
caused
.
For specifications of the po
wer c
a
pacity
o
f
the outd
oor
unit a
nd th
e po
wer sup
p
ly
wires, refer to
the I
n
stalla
tion
Ma
nual att
a
ched
to the
outd
oor unit.
Ho
t wa
ter module power
sup
ply
•
F
or the
power supply of
the h
o
t water m
odule,
p
rep
are the
exclu
s
ive p
o
wer su
pply separate
d from
that of
the o
utdo
or u
nit.
•
A
rrange
the power s
u
pply,
circuit
b
rea
ker, and
m
a
in
switch of t
he ho
t wa
ter mo
dule conn
ected
to the
sa
me
ou
td
o
o
r un
it
so
t
h
at
t
h
ey
ar
e co
m
m
o
n
ly u
s
e
d
.
•
P
owe
r sup
ply wire specification: Cab
le
3-co
re
2.5
mm
²,
in conformity with De
sign
6024
5 IEC 57
.
▼
Po
wer suppl
y
Cont
rol wir
ing,
Central contr
ol
ler wi
ring
•
2-
c
or
e with
polar
ity wir
es ar
e used
for
the
Co
ntro
l
wir
in
g betwee
n indoo
r u
nit (includ
in
g hot
wat
er
modu
le
) a
nd
ou
tdoor un
it
and Cent
ral con
tro
ller wiring.
•
T
o preven
t noise troub
le
, use 2
-core shield
wire
.
•
T
he len
gth o
f the
c
o
mm
unication line m
ean
s the to
tal lengt
h of th
e inter-unit wire len
gth b
e
tween ind
oor
(in
clud
in
g ho
t wa
ter mod
ule) and o
u
tdo
o
r
units add
ed with the
central control system wire lengt
h.
▼
C
ommunication
line
Remote controller wiring
•
2
-core with no
n-polarit
y
wire is used
for wiring
of
the re
m
o
te
controller
wirin
g
an
d g
rou
p rem
o
te co
ntrollers wiring.
Output
signal funct
ion wi
ring
•
T
o preven
t noise troub
le
, use 2
-core shield
wire
.
CAU
TI
ON
The remote controller wire (Comm
u
nication line) and AC 220 –
240 V wires cannot be paralle
l to contact each other and cannot
be stored in the same conduits
. If doing so, a trouble may be
caused on the control system
due
to
noise
or other
factor.
Power supp
ly
220 V
– 240 V
~
, 50 H
z
Power supp
ly
switch /
circu
it
b
reake
r
o
r power supply wi
ri
ng
/
fuse rati
n
g
for hot
water module
sh
oul
d
be selected by the
acc
umulated total
cur
ren
t values of th
e
ho
t w
a
ter
m
odule.
Power supply w
ir
ing
Below 50
m
2
.5 mm
2
Control wiring
betwee
n indoor
u
ni
ts
(including hot
water mod
ul
e)
, and
outdoor
un
it
(
2-co
re
shiel
d
wi
re)
Wire size
(Up to 1000 m
) 1.25
m
m
²
(U
p to 2
000
m)
2.0
mm
²
Central c
o
nt
rol li
ne
wiring (2-c
ore
shield
wi
re)
Rem
ote contro
ller wir
ing
, rem
ote
co
ntr
oller
inte
r-u
nit
wi
ri
ng
Wire size:
0.
5 mm
² to 2.
0
m
m
²
Total
wi
re l
eng
th of
remote controll
e
r w
iring and rem
ote
contro
ller inter-unit
wiring
=
L + L1
+
L2 + … Ln
In case
of
wired type only
U
p to
500 m
In case of
wi
rel
ess type
inc
lude
d
Up to
400 m
Total
wi
re l
eng
th of
remote controll
e
r i
nter-
unit wi
ri
ng
= L1 +
L2
+ … Ln
Up to
200 m
Outp
ut fu
nction wi
ri
ng
(
2-cor
e shi
e
ld wi
re)
W
ire
size
(u
p
to 2
m
) 0.5
m
m
²
