Material
Polyolefin Foam
UL94 Flame Classification
HF-1
Density
1.84 lbs./ft.
3
Thermal Conductivity
.0208 Btu/h/ft. ºR
Thickness
1/2 inch
Table 352:
Fitting Properties.
Liquid and Gas
Pipe Joints
Y-Branch Kit Insulation
Insulation for
Field-Installed Piping
Field-Supplied Insulation Tape
CUT SHEET
Y-Branch Kit
Model
Y-Branch Type
Port Identifier (inch)
1
2
3
PMBL5620
Liquid
Ø3/8
Ø3/8
Ø3/8
Vapor
Ø3/4
Ø3/4
Ø3/4
Y-Branch Type
Dimensions (inch)
X
Y
Liquid
13.80
3.24
Vapor
12.48
3.02
• LG Y-Branch Kit PMBL5620 is required when installing two branch
distribution units in parallel on one LG Multi F MAX system.
• The kit must be properly installed following instructions in the appli-
cable LG manual. Field-supplied branch fittings are not permitted.
• Kit components must be kept free of debris and be dry before
installation.
• All Y-Branch Kits include a clam shell, peel-and-stick insulation
jacket.
Table 353:
Multi F MAX Y-Branch Connection Diameters.
Material
Copper
Design Pressure
551 psig
Table 354:
Insulation Jacket Properties.
A
B
X
Y
1
2
3
A = To Outdoor Unit
B = To Branch Distribution Unit
1
2
3
Figure 88:Y-Branch Port Identifier Diagram.
Figure 89:
Y-Branch Dimensions Diagram.
Figure 90:
Y-Branch Insulation Jacket Diagram.
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.
DESIGN & PRACTICES | 379
Refrigerant Piping Design and Best Practices
MULTI
F
MAX
MULTI
F