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4-3. Wiring System Diagram
L1
Power supply
L2
208 / 230V, 1ø, ~60Hz
Ground
Remote
controller
WHT
1
1
BLK
2
2
L1
Power supply
L2
208 / 230V, 1ø, ~60Hz
Ground
Remote
controller
WHT
1
1
BLK
2
2
Group control:
L1
Power supply
L2
208 / 230V, 1ø, ~60Hz
Ground
K Type
L1
Power supply
L2
208 / 230V, 1ø, ~60Hz
Ground
BLK
Remote
WHT
controller
BLK
BLK
2
WHT
WHT
1
CONNECTOR
2P (WHT)
NOTE
(1) Refer to 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 7P 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, refer to page 38.
Address setting can be executed by remote controller
automatically. Refer to page 39 – 43.
Indoor
unit (No. 1)
*
L1
L2
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
U2
C
R1
R2
A
Indoor
unit (No. n)
*
L1
L2
U1
U2
B
BLK
3
WHT
1
Outdoor unit
INV unit
A
1
U1
2
U2
3
4
3
5
4
D
Inter-outdoor unit control wiring
Outdoor unit
INV unit
1
2
3
3
4
4
5
* NOTE:
Disconnect Switch may be needed by the
National/Local code.
ALWAYS COMPLY WITH NATIONAL AND
LOCAL CODE REQUIREMENTS.
X, U, D Types
(Except 6 series)
X, XM, A, U, UM,
T, F, FM Types
K Type
Model :
KHX0752
KHX0952
KHX1252
K Type
Model :
KHX1862
KHX1962
KHX2452
25
*
L1
Power supply
L2
208 / 230V, 3ø, ~60Hz
L3
Ground
*
L1
Power supply
L2
208 / 230V, 3ø, ~60Hz
L3
Ground
* Disconnect switch
(Field Supply)
7P terminal board
1(L1)
2(L2)
U1
U2
R1
R2
Power
Remote
Inter-unit
supply
control wiring
controller
6P terminal board
L
N
U1
U2
R1
R2
POWER
UNIT CONTROL
REMOTE
SUPPLY
LINE
CONTROL
LINE
5P terminal board
1(L1) 2(L2)
U1 U2
Power
Unit
supply
control
Line
5P terminal board
1(L1) 2(L2)
U1 U2
Power
Unit
supply
control
Line
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