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Figure 35: Typical System Drawing Showing a Liquid Line Layout
Branch segment B2.1
Linear distance: 24 feet
Equivalent length: <<XX feet>>
Segment cooling cap: 37.5 MBh
ARNU073TEC2
Recessed Ceiling
Branch segment B1.1
4-Way Cassette
Linear distance: 18 feet
Cooling: 7.5 MBh
Equivalent length: <<XX feet>>
Heating: 8.5 MBh
Segment cooling cap: 22.5 MBh
Run-out R6
Linear distance: 18 feet
Equivalent length: <<XX feet>>
Segment cooling cap: 7.5 MBh
Main pipe segment M1
Linear distance: 18 feet
Equivalent length: <<XX feet>>
Segment cooling cap: 60.0 MBh
Multi V Mini
ARUN047GS2
Cooling: 47.8 MBh
Heating: 54.6 MBh
Combination Ratio: 125%
Table 25: Pipe Segment Sizes
Segment Tag
M1
B1.1
Liquid Line Dia. OD (in)
3/8
3/8
Vapor Line Dia. OD (in)
3/4
5/8
All sizes are internal diameter in inches.
M = Main pipe segment, B = Branch pipe segment, R = Run-out pipe segment
Future IDU (to be installed later)
Cap here
Branch segment B2.2
Linear distance: 24 feet
Equivalent length: <<XX feet>>
Segment cooling cap: 30.0 MBh
Run-out R2
Linear distance: 20 feet
Equivalent length: <<XX feet>>
Segment cooling cap: 7.5 MBh
Run-out R10
Linear Distance: 8.5 feet
Equivalent Length: 9.7 feet
Segment Cooling Cap: 7.5 MBh
ARNU073SEL2
High Wall
Surface Mount
Cooling: 7.5 MBh
Heating: 8.5 MBh
ARNU073CEA2
ARNU073CEA2
Cased - Floor Mount
Cased - Floor Mount
4-Way Cassette
4-Way Cassette
Cooling: 7.5 MBh
Cooling: 7.5 MBh
Heating: 8.5 MBh
Heating: 8.5 MBh
B2.1
B2.2
B2.3
B2.4
3/8
3/8
3/8
1/4
5/8
5/8
5/8
1/2
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.
PIPE LAYOUT PROCEDURE
Main—
Main—
door unit and the first Y-Branch or Header kit
door unit and the first Y-Branch or Header kit
Branch
Branch
Y-Branches or a Y-Branch and a Header kit
Y-Branches or a Y-Branch and a Header kit
Run-out
Run-out
ARNU073TEC2
an indoor unit to a Y-Branch or Header kit
an indoor unit to a Y-Branch or Header kit
Recessed Ceiling
4-Way Cassette
Cooling: 7.5 MBh
Heating: 8.5 MBh
(Install on both liquid and vapor lines)
(Install on both liquid and vapor lines)
Run-out R1
Linear distance: 35 feet
Equivalent length: <<XX feet>>
Segment cooling cap: 7.5 MBh
Branch segment B2.3
Linear distance: 24 feet
Equivalent length: <<XX feet>>
Segment cooling cap: 22.5 MBh
Run-out R3
Linear distance: 35 feet
Equivalent length: <<XX feet>>
Segment cooling cap: 7.5 MBh
Branch segment B2.4
Linear distance: 24 feet
Equivalent length: <<XX feet>>
Segment cooling cap: 15.0 MBh
Run-out R8
Linear distance: 18 feet
Equivalent length: <<XX feet>>
Segment cooling cap: 7.5 MBh
ARNU073TEC2
Recessed Ceiling
4-Way Cassette
Cooling: 7.5 MBh
Heating: 8.5 MBh
R1
R2
R3
R4
1/4
1/4
1/4
1/4
1/2
1/2
1/2
1/2
The pipe segment between the out-
The pipe segment between the out-
—
—
A segment of pipe between two
A segment of pipe between two
—
—
t t The segment of pipe connecting
The segment of pipe connecting
—
—
Full Port Ball Valve
Full Port Ball Valve
ARNU073TEC2
Recessed Ceiling
4-Way Cassette
Cooling: 7.5 MBh
Heating: 8.5 MBh
Run-out R6
Linear distance: 18 feet
Equivalent length: <<XX feet>>
Segment cooling cap: 7.5 MBh
ARNU073B1G2
Run-out R9
Recessed Ceiling
Linear Distance: 14 feet
Low Static Discharge
Equivalent Length: 14.4 feet
Cooling: 7.5 MBh
Segment Cooling Cap: 7.5 MBh
Heating: 8.5 MBh
R5
R6
R7
R8
1/4
1/4
1/4
1/4
1/2
1/2
1/2
1/2
SYSTEM ENGINEERING
R9
R10
1/4
1/4
1/2
1/2
65
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