INSTALLATION INSTRUCTIONS

4-3. Wiring System Diagrams
NOTE
Power supply
220/230/240V ~50Hz
Remote
controller
Power supply
220/230/240V ~50Hz
Remote
controller
Ground
Ground
Indoor unit
(No.1)
Indoor unit
(No.1)
Ground
Ground
(1) Refer to Section 4-2. “Recommended Wire Length and Wire
Diameter for Power Supply System” for the explanation of
“A”, “B”, “C”, “D” and “E” in the above diagram.
(2) The basic connection diagram of the indoor unit shows the
terminal boards, so the terminal boards in your equipment may
differ from the diagram. (Fig. 4-2)
(3) Refrigerant Circuit (R.C.) address should be set before turning
the power on.
(4) Regarding R.C. address setting, refer to the installation
instructions supplied with the remote controller unit (Optional).
Auto address setting can be executed by remote controller
automatically. Refer to the installation instructions supplied with
the remote controller unit (optional).
19
* 3-phase model connections
Outdoor unit (3-phase)
INV unit
* Single-phase model connections
Outdoor unit (single-phase)
INV unit
R1 R2 U1 U2 L N
Remote
controller
line
6P terminal board
Unit
control
wiring
Power supply
380 – 415 V, 3 N~ 50Hz
Ground
Power supply
220 – 240 V ~50Hz
Ground
Power
suppy
Shielded
wire ground
N1 Type
Earth
Fig. 4-1
Fig. 4-2
ENGLISH
��������� E������� PORTUGUÊS
�������
����������