Advertisement
Table-1 Uv line and Uc line
W
r i
n i
g
2
c -
r o
, e
n
o
T
y
p
e
S
h
e i
d l
i w
e r
S
z i
e
L /
e
n
g
h t
1
0 .
o t
1
5 .
Table-2 Uh line
W
r i
n i
g
2
c -
r o
, e
n
o
T
y
p
e
S
h
e i
d l
i w
e r
1.0 to 1.5 mm² : Up to 1000 m
Size/Length
2.0 mm²
Table-3 Remote controller wiring
W
r i
n i
g
2
c -
r o
, e
n
o
S
z i
e
0
5 .
m
m
²
o t
Up to 500 m
Length
Up 400 m in case of two remote controller in group control.
Up to 200 m total length of communication wiring between indoor units
U (v, h, c) line means of control wiring.
Uv line: Between indoor and outdoor units.
Uc line: Between outdoor and outdoor units.
<U series>
<U series>
Outdoor unit
Uv
U1
<U series>*
U1 U2
Indoor unit
Uv
<U series>*
Remote controller
n
p -
l o
r a
y t i
m
m
: ²
U
p
o t
1
0
0
0
m
n
p -
l o
r a
y t i
: Up to 2000 m
n
p -
l o
r a
y t i
2
0 .
m
m
²
Uh
U3 U4
U3
U4
U3 U4
U3 U4
U3 U4
U4
U3
Uh
Uh
Uh
Uc
Uv
Uc
Uv
Uc
U2
U1
U2
U1
U2
U2
U5 U6
U1
U5 U6
U5 U6
U1 U2
U1 U2
U4
U4
U4
Uv
Uv
A
B
A
B
A
B
U6
U6
U6
REQUIREMENT
Using the same wire type and size, wire each line below.
If the different wire types and sizes are mixed in each line, communication trouble is caused.
Uv line (wiring between indoor and outdoor units) and Uc line (wiring between outdoor and outdoor units) in
U-series.
[Uh-line and line / wiring between outdoor and outdoor units in U series]
(L1)
UP to 2000 m
[Uv line and Uc line in U series]
(L2)
Up to 1000 m
(L3 + L4)
Up to 1000 m
U1 U2
U4
Uv
A
B
U6
– 26 –
EN
EN
EN
ID
Advertisement
Chapters
