4-3. Wiring System Diagrams
Power supply | L |
Ground
Remote
controllerD
WHT 1 1
BLK 2 2
Power supply | L |
Ground
Group control:
Power supply L
| Indoor |
|
| unit (No. 1) |
|
| 1 |
|
| 2 |
|
B |
| C |
U1 |
| |
|
| |
| U2 |
|
| R1 | Ground |
|
| |
| R2 | Ground |
| C | |
|
| |
| Indoor |
|
| unit (No. 2) |
|
| 1 |
|
| 2 |
|
B
U1
U2
R1
R2
Ground
C
Indoor
unit (No. 3)
1
2
BU1
EU2
R1
R2
Ground
C
Indoor
unit (No. n)
Outdoor unit |
|
|
|
INV unit | A |
| Power supply |
| L | ||
L |
| ||
|
| ||
N |
| N | |
|
|
| |
1 |
|
|
|
2 |
|
|
|
Power supply | L |
Ground
B
1
2
U1
U2
R1
R2
7P terminal board
NOTE
(1)Refer to Section
(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 dia- gram.
(3)Refrigerant Circuit (R.C.) address should be set before turning the power on.
1(L) | 2(N) | U1 | U2 | R1 | R2 |
power |
| Remote | |||
supply |
| control | controller | ||
|
| wiring |
|
|
9