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Power supply wire
Recommended wire diameter and wire length for power supply wire.
Power supply wiring
Electric characteristics
Model
Power Supply
MMC-UP0181HP-UL
MMC-UP0241HP-UL
MMC-UP0301HP-UL
208/230V-1-60 Hz
MMC-UP0361HP-UL
MMC-UP0481HP-UL
Control wire
Control wiring between indoor units, and outdoor unit
(2-core shielded wire)
Communication line
TU2C-Link models (U series) can be combined with TCC-Link models (other than U series).
For details of communication type, refer to the following table.
Communication type and model names
Communication
type
(U series and future models)
MMY-MUP
Outdoor unit
This letter indicates U series model.
MM -UP
Indoor unit
This letter indicates U series model.
RBC-A
U
Wired remote
controller
This letter indicates U series model.
RBC-AXU
Wireless remote
controller kit &
This letter indicates U series model.
receiver unit
U series outdoor unit : SMMS-u (MMY-MUP
Other than U series outdoor unit : SMMS-i, SMMS-e etc. (MMY-MHP
29-EN
Wire size: 2 × AWG12
Up to 164'1" (50 m)
Ground
1 × AWG12 or thicker
Voltage Range (V)
MCA
Min
Max
(A)
0.53
0.94
187
253
0.94
1.11
1.11
(Up to 3280'10" (1000 m)) AWG16
Wire size
(Up to 6561'8" (2000 m)) AWG14
TU2C-Link
TCC-Link
(Other than U series)
O
h t
r e
h t
a
n
U
s
r e
e i
M
M
- Y
M
H
P
M
C
- Y
M
H
P
M
M
- Y
M
A
P
O
h t
r e
h t
a
n
U
s
r e
e i
M
M
-AP
O
h t
r e
h t
a
n
U
s
r e
e i
O
h t
r e
h t
a
n
U
s
r e
e i
)
)
– 15 –
<In the case of combining with outdoor units of Super Modular Multi System u series (SMMS-u)>
U line and Uc line (L2, L3, L4)
v
2 (
c -
o
e r
s
h
e i
d l
w
U line (L1)
h
2 (
c -
o
e r
s
h
e i
d l
w
MOCP
(A)
U (v, h, c) line means of control wiring.
15
Uv line : Between indoor and outdoor units.
Uh line : Central control line.
15
Uc line : Between outdoor and outdoor units.
15
Uv line and Uc line are independent from another refrigerant line. Total length of Uv and Uc lines
15
(L3+L4) in each refrigerant line is up to
15
Central control device
<U series>
Outdoor unit
(SMMS-u)
s
s
s
<U series>*
Remote controller
*Even if the indoor unit and the remote controller are "other than U series", the wiring
s
specification are the same.
AWG20
W
i
e r
s
z i
e
:
r i
, e
n
o
n
p -
o
a l
t i r
) y
AWG18 to AWG16
AWG18 to AWG16
W
i
e r
s
z i
e
:
r i
, e
n
o
n
p -
o
a l
t i r
) y
AWG14
3280'10" (1000 m).
<U series>*
Indoor unit
(Up to 1640'5" (500 m))
(Up to 3280'10" (1000 m))
(Up to 3280'10" (1000 m))
(Up to 6561'8" (2000 m))
[
Uh line]
L1 = Up to 6561'8" (2000 m)
[Uv and Uc line]
L2 = Up to 3280'10" (1000 m)
(L3+L4) = Up to 3280'10" (1000 m)
30-EN
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