Multi Variable Air Conditioners One-way Cassette Type Indoor Unit
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4.5 Wired Controller Installation
Wired controller is optional accessory. If wired controller is needed, please contact your local dealer
and install the wired controller according to the instruction manual.
NOTE!
Do perform the commissioning operation before first use, automatic addressing or other
settings, please refer to the manual of ODU.
5 Wiring Work
WARNING!
Before obtaining access to terminals, all supply circuits must be disconnected.
NOTES!
(1) Units must be earthed securely, or it may cause electric shock.
(2) Please carefully read the wiring diagram before carry out the wiring work, incorrect wiring could
cause malfunction or even damage the unit.
(3) The unit should be powered by independent circuit and specific socket.
(4) The capacity of power supply must be sufficient and the sectional area of wires in the room
should be above
(5) The wiring should be in accordance with related regulations in order to ensure the units reliable
running.
(6) Install circuit breaker for branch circuit according to related regulations and electrical standards.
(7) All wiring must use pressure terminal or single wire. Multi-twisted wire that connects directly to
the wiring board may cause fire hazard.
(8) Keep cable away from refrigerant pipings, compressor and fan motor.
(9) Do not change the internal wiring of the air conditioner; otherwise, our company will not bear
relevant legal responsibilities for the related damages.
(10) If the unit is installed in places with strong electromagnetic interference, it's recommended to
use twin-twisted shield wire. During wire connection, please pay attention that the metal shield
layer of the twin-twisted wire must be grounded (outer case) in order to prevent the unit from
electromagnetic interference.
(11) The communication wires should be separated from power cord and connection wire between
indoor unit and outdoor unit.
(12) The electric wire can’t be expanded by connecting another electric wire. When the length of the
electric wire is not enough, please contact our designated dealer or local service center for a
special electric wire.
