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Recommended Wire Length and Wire Diameter for Power Supply System
Control wiring
(C) Inter-unit
(between outdoor
and indoor units)
control wiring
(D) Remote control
wiring
(E) Control wiring
for group control
0.75 mm
2
(AWG #18)
Use shielded
wiring*
0.75 mm
2
(AWG #18)
0.75 mm
2
(AWG #18)
Max. 1,000 m
Max. 500 m
Max. 200 m (Total)
NOTE
*
With ring-type wire terminal.
(1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely
following the wiring diagram.
WARNING
(2) This equipment is strongly recommended to be installed with Earth Leakage Circuit Breaker (ELCB)
or Residual Current Device (RCD). Otherwise, it may cause electrical shock and fire in case of
equipment breakdown or insulation breakdown.
Earth Leakage Circuit Breaker (ELCB) must be incorporated in the fixed wiring in accordance with
the wiring regulations.
The Earth Leakage Circuit Breaker (ELCB) must be an approved 10 - 16 A, having a contact
separation in all poles.
(3) To prevent possible hazards from insulation failure, the unit must be grounded.
(4) Each wiring connection must be done in accordance with the wiring system diagram. Wrong wiring may cause the
unit to misoperate or become damaged.
(5) Do not allow wiring to touch the refrigerant tubing, compressor, or any moving parts of the fan.
(6) Unauthorized changes in the internal wiring can be very dangerous. The manufacturer will accept no responsibility
for any damage or misoperation that occurs as a result of such unauthorized changes.
(7) Regulations on wire diameters differ from locality to locality. For field wiring rules, please refer to your LOCAL
ELECTRICAL CODES before beginning.
You must ensure that installation complies with all relevant rules and regulations.
(8) To prevent malfunction of the air conditioner caused by electrical noise, care must be taken when wiring as follows:
The remote control wiring and the inter-unit control wiring should be wired apart from the inter-unit power wiring.
Use shielded wires for inter-unit control wiring between units and ground the shield on both sides.
(9) If the power supply cord of this appliance is damaged, it must be replaced by a repair shop designated by the
manufacturer, because special-purpose tools are required.
General Precautions on Wiring
Electrical Wiring
Indoor unit
Type
(B) Power supply
Time delay fuse or
circuit capacity
2.5 mm
2
U2, E1, T2, F1
Max. 130 m
10-16 A
Type
(B) Power supply
Time delay fuse or
circuit capacity
2 mm
2
K2
Max. 130 m
10-16 A
SM830266-00_大洋州向けR32シングルTD&SM.indb 14
18/03/29 10:20:00
Содержание Inverter R32 Series
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