Sanyo CHDZ09053 - Manual (Page 35)

2-25
Design of W-3WAY ECO-i SYSTEM Unit Specifi cations
1
2
3
4
5
6
7
8
3. Electrical Wiring
* Disconnect switch
(Field Supply)
*
*
*
*
*
*
U2
U1
L2
L1
R2
R1
2
1
U2
U1
4
3
3
4
5
2
1 WHT
Remote
controller
BLK 2
1
2
1 WHT
Remote
controller
Group control:
BLK 2
1
2
1 WHT
Remote
controller
B
C
Indoor
unit (No. n)
Indoor
unit (No. 1)
Indoor
unit (No. 2)
Indoor
unit (No. 3)
A
Outdoor unit
INV unit
L1
L2
L3
Ground
Ground
L1
L2
L1
L2
L1
L2
L1
L2
BLK 2
1
2
1
4
3 3
4
5
Outdoor unit
INV unit
Power supply
208 / 230V, 1ø, ~60Hz
Power supply
208 / 230V, 1ø, ~60Hz
Power supply
208 / 230V, 1ø, ~60Hz
Power supply
208 / 230V, 1ø, ~60Hz
Power supply
208 / 230V, 3ø, ~60Hz
Power supply
208 / 230V, 3ø, ~60Hz
Ground
Ground
Ground
L1
L2
L3
Ground
A
D
B
B
A
A
Inter-outdoor-unit control wiring
U2
U1
L2
L1
R2
R1
U2
U1
L2
L1
R2
R1
U2
U1
L2
L1
R2
R1
NOTE
(1) Refer to Section 3-2. “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 Section 5.
Address setting can be executed by remote controller
automatically. Refer to Section 5.
1(L1) 2(L2) U1 U2
Power
supply
Inter-unit
control wiring
5P terminal board
3 2 1 4 5
3-3. Wiring System Diagram
ALWAYS COMPLY WITH NATIONAL AND
LOCAL CODE REQUIREMENTS.
* NOTE:
Disconnect Switch may be needed by the
National/Local code.
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground Ground
Ground
1(L1)
Power
supply
U1
Inter-unit
control wiring
U2
Remote
controller
R1 R2
7P terminal board
2(L2)
X, U, D Types
A, T, M Types
K Type
6P terminal board
L N U1 U2 R1 R2
POWER
SUPPLY UNIT CONTROL
LINE
REMOTE
CONTROL
LINE