LG Multi F Series Installation Manual page 64

ELECTRICAL
Figure 78: Typical Multi F System General Power / Communications
System Schematic When Wiring is Less Than 130 Feet.
Power Supply
Circuit Breaker
Ground Wiring
Outdoor Unit
Figure 80: Schematic of a Multi F System When the Wiring is GREATER THAN 130 Feet.
Power Flow: L N
Communication Flow: Comm N
1(L1) (Power, L)
Power
2(L2) (Neutral, N)
G (Ground)
Supply
Diagram is an example of communication and power
cables when the wiring is GREATER THAN 130 feet.
Terminals may be labeled differently depending on the model.
Outdoor and Indoor Unit appearances may vary depending on the model.
Figure 81: Schematic of a Multi F MAX System When the Wiring is GREATER THAN 130 Feet.
Power Flow: L N
Communication Flow: Comm N
1(L1) (Power, L) Power
2(L2) (Neutral, N)
Supply
G (Ground)
Diagram is an example of communication and
power cables when the wiring is GREATER THAN
130 feet. Terminals may be labeled differently depending on the model.
Outdoor and Indoor Unit appearances may vary depending on the model.
64
Indoor Units
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.
Figure 79: Typical Multi F MAX System General Power / Communica-
tions System Schematic When Wiring is Less Than 130 Feet.
Power Supply
Circuit Breaker
Ground Wiring
Outdoor Unit
At Least Two (2) Inches
3 (Communications)
At Least Two (2) Inches
3 (Communications)
GREATER THAN 130 feet: Must Separate Communications and Ground (G) Cable from the Power
(1[L1]) and Neutral (2[L2]) Cable at Least Two (2) Inches for Each Indoor Unit
At Least Two (2) Inches
3 (Communications)
At Least Two (2) Inches
3 (Communications)
GREATER THAN 130 feet: Must Separate Communications and Ground (G) Cable
from the Power (1[L1]) and Neutral (2[L2]) Cable at Least Two (2) Inches for Each
Indoor Unit.
Indoor Unit
Branch Distribution Unit
Branch Distribution Unit