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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.
3
1
2
1 2 3
L1 L2 GR
Firmly fix the wires with the
terminal screws.
Ground
Back
Lock nut
Conduit
Conduit mounting
plate
Indoor
unit
Power
supply 60Hz
208-230V
Firmly fix the wires
with the terminal
screws.
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.
RX/RK 09/12
15A
RX/RK 18/24
20A
• 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.
Outdoor
unit
01_IM-BMS-FTX&FTK_EN.indb 11
01_IM-BMS-FTX&FTK_EN.indb 11
2/28/2020 6:27:16 PM
2/28/2020 6:27:16 PM