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40
MULTI F / MULTI F MAX Outdoor Unit Installation Manual
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.
MULTI
F
MAX
MULTI
F
Y-branches may be installed in horizontal or vertical configurations.
When installed vertically, position the Y-branch so the straight-
WKURXJKOHJLVRISOXPE:KHQLQVWDOOHGKRUL]RQWDOO\SRVLWLRQWKH
Y-branch so the take-off leg is level and shares the same horizontal
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Y-branches should always be installed with the single port facing
the outdoor unit and the two-port end facing the branch distribution
units.
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to the main pipe segment entered into LATS Multi F piping design
software.
Figure 49: <%UDQFK3RUW,GHQWL¿HU'LDJUDP
Figure 50: +RUL]RQWDO&RQ¿JXUDWLRQ(QG9LHZ
Figure 51: Y-Branch Dimensions Diagram.
Multi F MAX Y-Branch Kit PMBL5620
Table 33: Y-Branch Connection Diameters.
Model
Y-Branch
Type
3RUW,GHQWLÀHULQFK Dimensions
123XY
PMBL5620
Liquid 3/8 3/8 3/8 13.80 3.24
Vapor 3/4 3/4 3/4 12.48 3.02
Figure 52: <EUDQFK,QVWDOODWLRQ$OLJQPHQW6SHFL¿FDWLRQ
Viewed from A in direction of arrow
Horizontal
plane
Within 5°
A
Within 5°
Vertical Up
Configuration
Within ± 3°Within ± 3°
Vertical Down
Configuration
A
B
X
Y
1
2
3
A = To Outdoor Unit B = To Branch Distribution Unit
1
2
3
REFRIGERANT PIPING CONNECTIONS
Y-Branch Kit
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