LG MULTI V S ARUN048GSS4

33
Refrigerant Piping Connections
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.
Model
Main Pipe Segment
1
Branch and Run-Outs
2,3
<295 feet equivalent IHHWHTXLYDOHQW
0%K
downstream capacity
>19.1 MBh <54.6 MBh
downstream capacity
0%K0%K
downstream capacity
Liquid 9DSRU Liquid 9DSRU Liquid 9DSRU Liquid 9DSRU Liquid 9DSRU
ARUN038GSS4 3/8 5/8 3/8 3/4 1/4 1/2 3/8 5/8 – –
ARUN048GSS4 3/8 5/8 3/8 3/4 1/4 1/2 3/8 5/8 – –
ARUN053GSS4 3/8 3/4 3/8 3/4 3/8 3/4 3/8 3/4 3/8 3/4
1
Use the equivalent length of the longest pipe run between the outdoor unit and the furthest indoor unit.
2
&DSDFLW\0%K 7KHVXPRIWKHQRPLQDOFDSDFLW\RIDOOFRQQHFWHGLQGRRUXQLWVVHUYHGE\WKHSLSHVHJPHQW
3
If the sum of the nominal 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 outdoor unit nominal capacity.
Table 23: 3LSH6HJPHQW6L]LQJ²$OO3LSH'LPHQVLRQVDUH,QFKHV2'
0DLQ²7KHSLSHVHJPHQWEHWZHHQWKHRXWGRRUXQLW
and the first Y-Branch or Header kit
%UDQFK²$VHJPHQWRISLSHEHWZHHQWZR<%UDQFKHV
or a Y-Branch and a Header kit
5XQRXW²7KHVHJPHQWRISLSHFRQQHFWLQJDQLQGRRU
unit to a Y-Branch or Header kit
²)XOO3RUW%DOO9DOYH
Segment Tag M1B1.1B2.1B2.2B2.3B2.4R1R2R3R4R5R6R7R8R9R10
/LTXLG/LQH'LD2'LQ 3/8 3/8 3/8 3/8 3/8 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4
9DSRU/LQH'LD2'LQ 3/4 5/8 5/8 5/8 5/8 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2 1/2
All sizes are internal diameter in inches.
0 0DLQ
Recessed Ceiling
4-Way Cassette
Cooling: 7.5 MBh
Heating: 8.5 MBh
Recessed Ceiling
4-Way Cassette
Cooling: 7.5 MBh
Heating: 8.5 MBh
Recessed Ceiling
4-Way Cassette
Cooling: 7.5 MBh
Heating: 8.5 MBh
Cased - Floor Mount
4-Way Cassette
Cooling: 7.5 MBh
Heating: 8.5 MBh
Cased - Floor Mount
4-Way Cassette
Cooling: 7.5 MBh
Heating: 8.5 MBh
Recessed Ceiling
Low Static
Cooling: 7.5 MBh
Heating: 8.5 MBh
Recessed Ceiling
4-Way Cassette
Cooling: 7.5 MBh
Heating: 8.5 MBh
Wall Mounted
Cooling: 7.5 MBh
Heating: 8.5 MBh
Multi V S
ARUN048GSS4
Cooling: 48 MBh
Heating: 54 MBh
Combination Ratio: 125%
Future IDU (to be installed later)
(Cap here)
Run-out R1
Linear distance: 35 feet
Equivalent length: 35.4 feet
Segment cooling cap: 7.5 MBh
Branch segment B2.1
Linear distance: 24 feet
Equivalent length: 26.8 feet
Segment cooling cap: 37.5 MBh
Branch segment B2.2
Linear distance: 15 feet
Equivalent length: 25.6 feet
Segment cooling cap: 30.0 MBh
Main pipe segment M1
Linear distance: 6 feet
Equivalent length: 20.2 feet
Segment cooling cap: 60.0 MBh
Branch segment B1.1
Linear distance: 12 feet
Equivalent length: 22.5 feet
Segment cooling cap: 22.5 MBh
Run-out R6
Linear distance: 18 feet
Equivalent length: 19.6 feet
Segment cooling cap: 7.5 MBh
Branch segment B2.3
Linear distance: 8 feet
Equivalent length: 7.6 feet
Segment cooling cap: 22.5 MBh
Run-out R3
Linear distance: 35 feet
Equivalent length: 35.4 feet
Segment cooling cap: 7.5 MBh
Branch segment B2.4
Linear distance: 24 feet
Equivalent length: 25.6 feet
Segment cooling cap: 15.0 MBh
Run-out R6
Linear distance: 18 feet
Equivalent length: 18.6 feet
Segment cooling cap: 7.5 MBh
Run-out R8
Linear distance: 18 feet
Equivalent length: 19.6 feet
Segment cooling cap: 7.5 MBh
Run-out R2
Linear distance: 1 feet
Equivalent length: 10.4 feet
Segment cooling cap: 7.5 MBh
Run-out R9
Linear Distance: 14 feet
Equivalent Length: 14.4 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
Figure 33: ([DPSOHRID0XOWL966\VWHP/D\RXW
Table 24: Example System Pipe Segment Sizes.
REFRIGERANT PIPING CONNECTIONS
5HIULJHUDQW3LSLQJ6\VWHP([DPSOHV