LG Multi V ARNU093TUD4 Engineering Manual page 133

Figure 110: Location of Power Wiring / Communications Cable Terminals in the Four-Way Ceiling-Cassette Indoor Unit.
Power Supply
Figure 111: Terminal Block in the One-Way Ceiling-Cassette Indoor Unit.
Indoor Unit Terminal Block
1(L1) 2(L2) 3
Ground
Power Input
208-230V /
60 Hz / 1 Phase
Figure 112: Terminal Block in the Two-Way Ceiling-Cassette Indoor Unit.
Indoor Unit Terminal Block
L(L1) N(L2)
GROUND
POWER INPUT
Figure 113: Terminal Block in the Four-Way Ceiling-Cassette Indoor Units.
TR/TQ Frame
Indoor Unit Terminal Block
YL RD
L(L1) N(L2)
Wired Remote
Power Input
Controller
208-230V /
Ground
60 Hz / 1 Phase
TM/TN/TP Frame
Indoor Unit Terminal Block
L(L1) N(L2) L(L3) N(L4)
Power Input
208-230V /
Ground Fresh Air Kit
60 Hz / 1 Phase
SODU IDU
4
B A -
ODU
YL RD BK A B
B
WIRED REMOTE
CONTROLLER COMMUNICATION LINE (IDU to ODU)
SODU
BK A B
B A
YL RD BK A B
Wired Controller
©
APPLICATION GUIDELINES
Communications
Cable
Outdoor Unit Terminal Block
INTERNET DRY1 DRY2
- B A - -
Outdoor Unit Terminal Block
IDU INTERNET DRY1 DRY2
A B A B A -
Outdoor Unit Terminal Block
IDU INTERNET DRY1
-
- - B A
Outdoor Unit Terminal Block
SODU IDU INTERNET DRY1
B A - - B A
Wiring Guidelines
GND 12V
- -
GND 12V
- - -
DRY2 GND 12V
- - -
DRY2 GND 12V
- - - -
GUIDELINES | 133