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Air conditioning system _13
Outdoor
unit
Why inverter ?
- Higher efficiency
- Reduced operation noise
- Less vibration
- Enhanced capacity control
Automatic addressing between outdoor and indoor units
The addressing between outdoor unit and indoor units is carried out by the touch of a
button. When the addressing is complete, the system is ready to run.
Non-polarised communication wiring
The communication wiring can be installed polarised, non-polarised, or a combination of
the two, and the outdoor unit will sort out the mistakes during automatic addressing.
Indoor unit
Wired remote
control
Wired remote
control
Wired remote
control
Wired remote
control
Wired remote
control
Wired remote
control
Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit
Manual addressing Auto addressing
Polarity connection
Outdoor unit control box
Outdoor unit control box
indoor unit 1
Outdoor
unit
Indoor
unit 1
Indoor
unit 2
Outdoor
unit
Indoor
unit 1
Indoor
unit 2
indoor unit 2
•••
indoor unit 1 indoor unit 2
°°°
indoor
unit
indoor
unit
outdoor
unit
outdoor
unit
central controller
central controller
Non-polarity connection
EF C
D Vcc GND
EF C
D Vcc GND
Outdoor unit
incorporates inverter compressor and fan motors.
61799 LG Multi V Catalogue 4/5/07 2:16 pm Page 13