1-14
IMPORTANT
:
* The
fi
gures 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.
ELECTRICAL WIRING CONNECTION
CAUTION
• Entire PCB replacement required if fuse failure occurs.
• All wires must be fi rmly connected.
• Make sure all the wire do not touch the refrigerant pipings, 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 fi xed 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).
Electric wire
Attach insulation sleeve
Round crimp-style terminal
• 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 wire of different gauge to same terminal.
• Keep wiring in an orderly manner. Prevent the wiring from obstructing other parts and the terminal box cover.
Do not connect wires of the
same gauge to one side..
Do not connect wires of
different gauges.
Connect wires of the same
gauge to both side.
SIG
1
2
SIG
1 2
L2 GR
L1
Firmly
fi
x the wires with
the terminal screws.
Firmly
fi
x 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.
Indoor
unit
Ground
Recommend using AWG14, stranded and
insulated wire for connections between
indoor and outdoor units. Local code always
supersedes recommendation.
Safety devices
in accordance
with local and
national codes,
i.e. a circuit
breaker
Outdoor unit
Power supply
60Hz
Back
Lock nut
Conduit
Conduit mounting
plate
RXK09/12*, RKK09/12*
15A
RXK18/24*, RKK18/24*
20A
IM-5WMYJ(R)-1117(0).indb 14
IM-5WMYJ(R)-1117(0).indb 14
3/7/2018 8:54:11 AM
3/7/2018 8:54:11 AM
