LG MFL61971220 Installation Manual page 10

THE INDOOR UNIT INSTALLATION
10
Conduit
CAUTION
!
The connecting cable connected to the
indoor and outdoor unit should be
complied with the following specifications
(This equipment shall be provided with a
cord set complying with the national
regulation).
10±3 mm
AWG18
If the supply cord is damaged, it must be
replaced by a special cord or assembly
available from the manufacturer of its
service agent.
CAUTION
!
The Power cord connected to the unit
should be selected according to the
following specifications.
Precautions when laying power and
ground wiring
Use round pressure terminals for connections
to the power terminal block.
When laying ground wiring, you must use
Lock nut
round pressure terminals.
Conduit
Round pressure terminal
mounting
plate
When none are available, follow the instructions
below.
- Do not connect wiring of different thicknesses
to the power terminal block. (Slack in the
power wiring may cause abnormal heat.)
- When connecting wiring which is the same
thickness, do as shown in the figure below.
It is forbidden to
connect two to one
- For wiring, use the designated power wire
and connect firmly, then secure to prevent
outside pressure being exerted on the
terminal block.
- Use an appropriate screwdriver for tightening
the terminal screws. A screwdriver with a
small head will strip the head and make
proper tighterning impossible.
- Over-tightening the terminal screws may
break them.
Power wire
(Ground wire)
Connect same thickness
wiring to both sides.
It is forbidden to
connect wiring of
side. different thicknesses.