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English
5
WIRING
IMPORTANT:
*
The figures shown in the table are for information purpose only. They should be checked and selected
to comply with the local/national codes of regulations. This is also subject to the type of installation and
conductors used.
**
The appropriate voltage range should be checked with label data on the unit.
CAUTION
• Entire PCB replacement required if fuse failure occurs.
1 2 3
1
L1 L2
GR
2 3
1 2 3
1 2 3
Firmly fix the wires with the terminal screws.
Ground
Back
Lock nut
Conduit
Conduit mounting
plate
Indoor unit B
Indoor unit A
Outdoor unit
Power
supply 60Hz
208-230V
Note: Take care to ensure that all wiring between indoor
unit and outdoor unit has a consistent connection. Any
splices can cause communication errors.
Safety devices in
accordance with local
and national codes,
i.e. a circuit breaker
Recommend using AWG14,
stranded and insulated wire
for connections between
indoor and outdoor units.
Local code always
supersedes recommendation.
2MX18
15A
Room B
Room A
Recommend using AWG14,
stranded and insulated wire
for connections between
indoor and outdoor units.
Local code always
supersedes recommendation.
• All wires must be firmly connected.
• Make sure all the wire do not touch the refrigerant piping, compressor or any moving parts.
• Make sure no external pressure is applied to the terminal connectors and wires.
• Make sure all the covers are properly fixed to avoid any gap.
• Use round crimp-style terminal for connecting wires to the power supply terminal block. Connect the wires by
matching to the indication on terminal block. (Refer to the wiring diagram attached on the unit).
Attach insulation sleeve
Round crimp-style terminal
Electric wire
• Use the correct screwdriver for terminal screws tightening. Unsuitable screwdrivers can damage the screw head.
• Over tightening can damage the terminal screws.
• Do not connect wires of different gauges to same terminal.
• Keep wiring in an orderly manner. Prevent the wiring from obstructing other parts and the terminal box cover.
Connect wires of the
same gauge to both sides.
Do not connect wires of the
same gauge to one side.
Do not connect wires
of different gauges.
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