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PIPE LAYOUT PROCEDURE
Table 24: Pipe Segment Sizing— All pipe dimensions are inches OD
Model
< 295 feet equivalent
Liquid
ARUN036GS2
3/8
ARUN047GS2
3/8
ARUN053GS2
3/8
1. Select the equivalent length of the longest pipe run between the outdoor unit and the furthest indoor unit.
2. Capacity (MBh) = The sum of the nominal capacity of all connected indoor units served by the pipe segment.
3. If the sum of the
cooling capacity of all connected indoor units served by a branch or run-out segment is greater than the capacity of the outdoor unit, size the pipe segment based on the
nominal
outdoor unit
capacity.
nominal
64
SYSTEM ENGINEERING
|
Main Pipe Segment
1
≥ 295 feet equivalent
Vapor
Liquid
Vapor
5/8
3/8
3/4
5/8
3/8
3/4
3/4
3/8
3/4
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.
Branch and Run-Out Segments
≤ 19.1 MBh
> 19.1 MBh < 54.6 MBh
downstream capacity
downstream capacity
Liquid
Vapor
Liquid
1/4
1/2
3/8
1/4
1/2
3/8
3/8
3/4
3/8
2,3
≥ 54.6 MBh ≤ 68.9 MBh
downstream capacity
Vapor
Liquid
Vapor
5/8
–
–
5/8
–
–
3/4
3/8
3/4
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