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4-3. Wiring System Diagram
L1
Power supply
L2
208 / 230V, 60Hz, 1-PH
Ground
Remote
Controller
WHT
1
1
BLK
2
2
L1
Power supply
L2
208 / 230V, 60Hz, 1-PH
Ground
Remote
Controller
WHT
1
1
BLK
2
2
Group control:
L1
Power supply
L2
208 / 230V, 60Hz, 1-PH
Ground
L1
Power supply
L2
208 / 230V, 60Hz, 1-PH
Ground
Remote
Controller
WHT
1
1
BLK
2
2
NOTE
(1) See the section "4-2. Recommended Wire Length
and Wire Diameter for Power Supply System" for the
explanation of "A," "B," "C" and "D" in the above diagram.
(2) The basic connection diagram of the indoor unit shows
the 6P terminal board, so the terminal boards in your
equipment may differ from the diagram.
(3) Refrigerant Circuit (R.C.) address should be set before
turning the power on.
(4) Regarding the R.C. address setting, See the section "7-5.
Auto Address Setting". Address setting can be executed
by remote controller automatically.
00_302411_EN.indd 29
Indoor
unit (No. 1)
*
L1
L2
A
U1
U2
B
R1
R2
A
Indoor
unit (No. 2)
*
L1
L2
U1
U2
B
R1
R2
A
Indoor
unit (No. 3)
*
L1
L2
U1
C
U2
R1
R2
A
Indoor
unit (No. n)
*
L1
L2
U1
U2
B
* NOTE:
R1
R2
U-72ME2U9 / U-96ME2U9 / U-120ME2U9 / U-144ME2U9
Outdoor unit
INV unit
L1
U1
L2
U2
L3
1
2
D
Inter-outdoor unit control wiring
Outdoor unit
INV unit
L1
L2
1
L3
2
U-72ME2U94 / U-96ME2U94 / U-120ME2U94 / U-144ME2U94
Outdoor unit
INV unit
L1
U1
L2
U2
L3
1
2
D
Inter-outdoor unit control wiring
Outdoor unit
INV unit
L1
L2
1
L3
2
Disconnect Switch may be needed by the National/Local code.
ALWAYS COMPLY WITH NATIONAL AND LOCAL CODE
REQUIREMENTS.
3P terminal board
L1
2P terminal board (×2)
(U-72ME2U9 / U-96ME2U9 /
U-120ME2U9 / U-144ME2U9)
U1
U2
1
2
Inter-unit
Inter-outdoor unit
control wiring
control wiring
Outdoor Unit
29
*
L1
Power supply
L2
208 / 230V, 60Hz, 3-PH
L3
Ground
*
L1
Power supply
L2
208 / 230V, 60Hz, 3-PH
L3
Ground
*
L1
Power supply
L2
460V, 60Hz, 3-PH
L3
Ground
*
L1
Power supply
L2
460V, 60Hz, 3-PH
L3
Ground
* Disconnect switch (Field Supply)
L2
L3
4P terminal board
(U-72ME2U94 / U-96ME2U94 /
U-120ME2U94 / U-144ME2U94)
U1
U2
1
2
Inter-unit
Inter-outdoor unit
control wiring
control wiring
2018/7/4 13:27:45
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