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Multi Variable Air Conditioners One-way Cassette Type Indoor Unit
4.5 Installation of Wired Controller
Please refer to User Manual of Wired Controller for the installation details.
NOTICE! When installation is finished, the unit must be tested and debugged before operation.
Please refer to Instruction Manual of ODU for auto addressing and debugging details.
5 Wiring Work
Before obtaining access to terminals, all supply circuits must be disconnected.
(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 wiring should be in accordance with related regulations in order to ensure the units reliable running.
(5)
Install circuit breaker for branch circuit according to related regulations and electrical standards.
(6)
All wiring must use pressure terminal or single wire. Multi-twisted wire that connects directly to the wiring board
may cause fire hazard.
(7)
Keep cable away from refrigerant pipings, compressor and fan motor.
(8)
Do not change the internal wiring of the air conditioner; otherwise, our company will not bear relevant legal
responsibilities for the related damages.
(9)
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.
(10) The communication wires should be separated from power cord and connection wire between indoor unit and
outdoor unit.
(11) 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.
5.1 Connection of Wire and Patch Board Terminal
(1) The connection of wire (as shown in Fig.5.1.1)
1) Strip about 25mm (1 inch) insulation of the wire end by stripping and cutting tool.
2) Remove the wiring screws on the terminal board.
3) Shape the tail of wire into ring by needle nose plier, and keep the gauge of ring in
accordance with screw.
4) Use the screwdriver for tightening the terminal.
(2) The connection of stranded wire (as shown in Fig.5.1.2)
1) Strip about 10mm (3/8 inch) insulation of the end of stranded wire by stripping and cutting
tool.
2) Loosen the wiring screws on terminal board.
3) Insert the wire into the ring tongue terminal and tighten by crimping tool.
4) Use the screwdriver for tightening the terminal.
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