Sanyo ECO R410A - Manual (Page 34)

34
*
*
*
*
*
*
2
1
U2
U1
4
3
3
4
5
2
1
2
1
2
1
B
C
A
L1
L2
L3
L1
L2
L1
L2
L1
L2
L1
L2
2
1
2
1
4
3 3
4
5
L1
L2
L3
A
B
A
A
U2
U1
L2
L1
R2
R1
U2
U1
L2
L1
R2
R1
U2
U1
L2
L1
R2
R1
U2
U1
L2
L1
D
2
1
B
1
3
Remote
controller
CONNECTOR
2P(WHT)
RC (BLU) WHT
BLK
WHT
BLK
WHT
BLK
WHT
BLK
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.
1(L1) 2(L2) U1 U2
L1 L2 U1 U2 R1 R2
4-3. Wiring System Diagram
ALWAYS COMPLY WITH NATIONAL AND
LOCAL CODE REQUIREMENTS.
* NOTE:
Disconnect Switch may be needed by the
National/Local code.
Power supply
208 / 230V, 1ø, ~60Hz
5P terminal board
Power
supply
Unit
control
Line
K Type
U, UM, F and FM Types
K Type
Indoor
unit (No. 1)
Remote
controller
WHT
BLK
Ground
Power supply
208 / 230V, 1ø, ~60Hz
Indoor
unit (No. 2)
Remote
controller
WHT
BLK
Ground
Power supply
208 / 230V, 1ø, ~60Hz
Indoor
unit (No. 3)
Ground
Group control:
Indoor
unit (No. n)
Power supply
208 / 230V, 1ø, ~60Hz
Ground
Ground
Outdoor unit
INV unit
Inter-outdoor unit control wiring
Ground
Power supply
208 / 230V, 3ø, ~60Hz
Outdoor unit
INV unit
Power supply
208 / 230V, 3ø, ~60Hz
Disconnect switch
(Field Supply) *
ex.) W-3WAY ECO-i
U, UM, F, FM Types
6P terminal board
POWER
SUPPLY UNIT CONTROL
LINE
REMOTE
CONTROL
LINE