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POWER AND WIRING INSTALLATION
WARNING
1. Before obtaining access to wire terminals, all electrical supply circuits must be disconnected,
locked out and tagged.
2. Always use an independent (dedicated) circuit and provide an independent (dedicated)
circuit breaker to supply power to the system.
3. Use a circuit breaker with adequate capacity to meet the requirements of the total system.
4. All circuit breakers or fuses for the indoor and outdoor units should be installed per the
National Electric Code (NEC) and local regulations.
5. Electrical wiring must be completed in accordance with NEC, local laws, and regulations
of the electric company so that the system will operate properly.
6. Provide a GFI circuit breaker at the electrical panel in accordance with the NEC and the
local electrical company standards.
7. Connect the power supply firmly to the terminal block. Improper installation may cause a fire.
CAUTION
1. The main power supplies are high-voltage, while the communication wire and the Tether Controller
are low-voltage. They should be installed separately to avoid electromagnetic interference.
2. High-voltage and low-voltage lines should pass through separate rubber rings at electric box covers.
3. If the indoor unit communication wire (to the outdoor unit) and power wire are connected
incorrectly, the air conditioner may be damaged.
4. Ground both indoor unit and outdoor unit to earth ground in accordance with the applicable local
and national codes.
Electric Wiring Between Indoor Unit and Outdoor Unit
G
Power:
NN
(
N
(
1
N
(
1
)
N
(
1
)
22
33
22
33
NN
(
N
(
1
N
(
1
)
N
(
1
)
Cassette Unit
Typical Wiring Diagram
Red
White
Floor Console
Unit
Green
13
Black