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1. Specifications
1-11. ELECTRICAL WIRING
General Precautions on Wiring
(1)
as shown on its nameplate, then carry out the wiring
closely following the wiring diagram.
(2)
Before wiring, confirm the rated voltage of the unit
Provide a power outlet to be used exclusively for
each unit, and a power supply disconnect and circuit
breaker for overcurrent protection should be provided
in the exclusive line.
(3)
unit must be grounded.
(4)
with the wiring system diagram.
Wrong wiring may cause the unit to misoperate or
become damaged.
(5)
compressor, or any moving parts of the fan.
(6)
To prevent possible hazards from insulation failure, the
Each wiring connection must be done in accordance
Do not allow wiring to touch the refrigerant tubing,
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)
locality. For field wiring rules, must follow your LOCAL
ELECTRICAL CODES before beginning.
You must ensure that installation complies with all
relevant rules and regulations.
(8)
Regulations on wire diameters differ from locality to
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 one side
only.
(9)
it must be replaced by a repair shop appointed by
the manufacturer, because special-purpose tools are
required.
(10)
If the power supply cord of this appliance is damaged,
All wiring used must be Class 1.
Recommended Wire Length and Wire Diameter for Power Supply System
You must follow LOCAL ELECTRICAL CODES for wiring.
Outdoor Unit
Type
Time delay fuse or
circuit capacity
U-26PE1U6 30 A
U-36PE1U6 35 A
U-42PE1U6 40 A
Type
Time delay fuse or
circuit capacity
U-26PS1U6 25 A
U-36PS1U6 30 A
U-42PS1U6 35 A
Indoor Unit
Type
Time delay fuse or
circuit capacity
U1, K1, T1, F1 15 A
Control Wiring
(A) Inter-Unit Control Wiring (B) Remote Control Wiring (C) Control Wiring For Group Control
AWG #18
Use high voltage wire (300 V)
*
1
AWG #18
*
2
(0.75 mm
2
) AWG #18
*
2
- (0.75 mm
2
)
Max. 650 - ft. (Total)Max. 1,650 ft.Max. 3,300 ft.
AWG=American Wire Gauge
*
1
With ring-type wire terminal
*
2
Wire joint connection
1