LG A2UW18GFAC Manual page 164

MULTI
5. Electrical Wiring
■ General Instruction
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
• Follow ordinance of local regulation for technical standard related to electrical equipment, wiring regulations and
guidance of each electric power company.
• Be sure to provide designated grounding work to installed unit.
• Give some allowance to wiring for electrical part box of units, because the box is sometimes removed at the time
of service work.
• Only the communication line specified should be connected to the terminal block for unit communication.
 WARNING
• Be sure to have authorized electrical engineers do the electric work using special circuits in accordance with
regulations and installation manual. If power supply circuit has a lack of capacity or electric work deficiency, it
may cause an electric shock or fire.
• Be sure to connect the installed unit to earth. Do not connect earth line to any gas pipe, liquid pipe, lightening
rod or telephone earth line. If earth is incomplete, it may cause an electric shock
 CAUTION
• Product which use 3-phase power source have reversed phase protection detector that only works when the
power is turned on. If there exists black out or the power goes on and off which the product is operating, attach
8
Indoor Indoor
Unit Unit
Remote Remote
control control
Indoor door Indoor
Unit Unit Unit
Remote Remote
control control
Indoor Indoor
U Unit Unit
R Remote Remote
control c c control
Indoor oor Indoor
Unit nit Unit
Remote Remote
control control
Indoor
Unit
Remote
control
Indoor
Unit
Remote
control
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Indoor
Unit
※ This figure is representative. Actual appearance of outdoor unit may be different
by product type, but schematic diagram will stay the same.
Installation of Outdoor Units
Indoor Indoor
Unit Unit
Remote
control
Indoor Indoor
Unit Unit
Remote Remote
control control
Indoor Indoor
Unit Unit
Remote Remote
control control
Indoor
Unit
Remote
control
or
t
Remote
control
Remote
control