Connecting Cables Between Indoor Unit And Outdoor Unit - LG MFL40910614 Installation Manual

Connecting Cables between Indoor Unit and Outdoor Unit

• Connect the wires to the terminals on the control board individually according to the outdoor unit connection.
• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of
indoor unit respectively
RECOMMENDATION: The power cord
connected to the outdoor unit should be comply
with the following specifications: ETL
recognized and CSA certified.
The power connecting cable connected to the indoor
and outdoor unit should be comply with the
following specifications: ETL recognized and CSA
certified.
RECOMMENDATION: When using the separate wires as the power cord, please
secure the separate wires into the control box panel using tie wraps to hold all
wires together in place.
Precautions when laying power wiring
Use round pressure terminals for connections to the power terminal block.
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.
W
ARNING:
Make sure that the screws of the terminal are free from looseness.
(208~230V)
Terminals on the
Outdoor unit
L1
POWER INPUT
Round pressure terminal
L2
Line voltage
(208/230V)
Power wire
Wiring Connection
AWG10
AWG18
Installation Manual 17