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49
Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
WIRING
Indoor Unit Communication Cable Connections
Power Wiring Through
Optional Access Hole
Communication Cable Through
Optional Access Hole
Figure 39: Location of Power Wiring and Communications Cable Terminals
in the Vertical/Horizontal Air Handler Unit
Figure 40: Terminal Block in the Vertical / Horizontal Air Handler Units
3(A) 4(B)
Indoor Unit Terminal Block
Power Input
208-230V /
60 Hz / 1 Phase
Ground
L(L1)N(L2)
A------ABB
GND12V
DRY2DRY1
INTERNETIDUSODU
Outdoor Unit Terminal Block
Figure 37: Location of Power Wiring and Communications Cable Terminals in the Built In Ducted Indoor Unit
Lock nut
Conduit
Power Supply
High Voltage
(208/230V)
Communications
3(A) 4(B)
L(L1)N(L2)
YL RD BK
B3, B4 Frame Terminals
Figure 38: Terminal Block in the Built In Ducted Indoor Units
Indoor Unit Terminal Block
A------ABB
GND 12V
DRY2DRY1
INTERNETIDUSODU
Outdoor Unit Terminal Block
YL RD
A B
BK
Wired Controller
L(L1) N(L2)
Power Input
208-230V /
60 Hz / 1 Phase
Ground
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