LG LCN128HV4 User Manual

25
Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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MAX
MUL
TI
F
MULTI
F
Multi F with LGRED Outdoor Unit to Indoor Unit Piping Connections
Figure 22: Multi F with LGRED Outdoor Unit
Refrigerant Pipe Connections (LMU360HHV
shown as example).
Multi F with LGRED Outdoor Unit
(18, 24, 30kBtu/h)
Liquid
Piping
Liquid Piping
Service
Port
Vapor Piping
Service Port
ROOM A
ROOM B
ROOM C
Vapor Piping
Avoid Pipe Damage
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Table 9: Multi F with LGRED Outdoor Unit Piping Connections.
Outdoor Unit Piping Connections LMU180HHV LMU240HHV LMU300HHV
Liquid Line Connection (in., OD) x Qty. Ø1/4 x 2 Ø1/4 x 3 Ø1/4 x 4
Vapor Line Connection (in., OD) x Qty. Ø3/8 x 2 Ø3/8 x 3 Ø3/8 x 4
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Table 10: Indoor Unit Pipe Sizes.
Table 11: Connection Socket Dimensions.
Indoor Unit Capacity
Vapor Line
Piping Size (in., OD)
Liquid Line
Piping Size (in., OD)
7,000 Btu/h
Ø3/8
Ø1/4
9,000 Btu/h
12,000 Btu/h
15,000 Btu/h
15,000 Bth: Console;
18,000 Btu/h
Ø1/2
24,000 Btu/h
Table 12: Indoor Unit Piping Connections.
Outdoor Unit to Indoor Unit Connections
INSTALLATION
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Indoor Unit Capacity
Vapor Line
Conn. (in., OD)
Liquid Line
Conn. (in., OD)
7,000 Btu/h
Ø3/8 Ø1/4
9,000 Btu/h
12,000 Btu/h
15,000 Btu/h
18,000 Btu/h: Wall-Mounted Ø5/8 Ø3/8
15,000 Btu/h: Console;
18,000 Btu/h: Low Static Duct,
Four-Way Cassette, VAHU
Ø1/2 Ø1/4
24,000 Btu/h Ø1/2 Ø1/4
Indoor Unit Capacity
Vapor (in., OD) Liquid (in., OD)
A B A B
18,000 Btu/h Wall-Mounted and Vertical Air Handling Units ĺĺ ĺ
15,000 Btu/h: Console; 18,000 Btu/h: Low Static
Duct, Four-Way Cassette, VAHU
ĺ N/A
24,000 Btu/h ĺ N/A

LG LCN128HV4 Specifications

General

Brand	LG
Model	LCN128HV4
Category	Air Conditioner
Language	English