Indoor Unit Y-Branch Kits For Heat Pump Systems - LG Multi V Water IV Installation Manual

CUT SHEETS

Indoor Unit Y-branch Kits for Heat Pump Systems

LG indoor unit Y-branch fittings must be used with
LG systems and be properly installed following the
instructions in the applicable LG manual. Field-sup-
plied branch fittings are not permitted. Kit components
must be kept free of debris and dry before installation.
All Y-branch kits include a clam shell, peel-and-stick
insulation jacket.
Note:
• Design pressure is 550 psig.
• All dimensions in inches.
Length tolerance ±1/4 inch.
• Images are not to scale.
Models
ARBLN01621
ARBLN03321
ARBLN07121
ARBLN14521
38
Table 24: Nominal Capacity Range (Btu/h).
Model
ARBLN01621
ARBLN03321
ARBLN07121
ARBLN14521
Table 25: Insulation Jacket Properties.
Material
UL94 Flame Classification
Density
Thermal Conductivity
Thickness
Vapor pipe
I.D. 1/2
I.D. 1/2
I.D. 5/8
I.D. 5/8 AJR72963601
1
I.D. 5/8
I.D. 1/2
11-1/16
11-1/2
I.D. 3/4
1
O.D. 5/8
2-3/4
AJR72963602
I.D. 7/8
I.D. 3/4
I.D. 1 I.D. 5/8
I.D. 3/4 I.D. 1/2
1
I.D. 3/4
I.D. 5/8
15-3//8
16-1/4
I.D. 7/8
I.D. 7/8 I.D. 1-1/8
O.D. 3/4
O.D. 1 O.D. 3/4
3 1 2
3-3/16
2-3/4 4-3/8
AJR72963603
I.D. 3/4
I.D. 1-1/8
I.D. 7/8
I.D. 5/8
1
I.D. 5/8
I.D. 1-1/4
I.D. 3/4
14-13/16
15-215/16
I.D. 1-1/8
I.D. 1-3/8 I.D. 7/8
O.D. 3/4
O.D. 7/8 I.D. 1-1/4
O.D. 1-1/4
2
1 3
3-9/16
4-3/4 4-3/4
AJR72963604
I.D. 1-3/8
I.D. 1-3/8
I.D. 1-1/2
I.D. 1-5/8
I.D. 1-1/8
2
I.D. 1-1/8
I.D. 1-1/2
I.D. 1-3/8
I.D. 7/8
18-9/16
20-3/8
I.D. 3/4 I.D. 1-5/8
I.D. 5/8
I.D. 1-1/2
O.D. 7/8
O.D. 1-1/2
O.D. 1-3/8
3 2
3
3-9/16
4-3/4
5-1/8
I.D. 1/2
I.D. 7/8
O.D. 1-1/8
3
2
O.D. 5/8
4-3/4
2-3/4
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.
Fitting Capacity
≤72,000 connected capacity
≤144,000 connected capacity
≤336,000 connected capacity
≤432,000 connected capacity
Polyolefin Foam
HF-1
1.84 lbs./ft.
0.0208 Btu/h/ft.ºF
1/2 inch
Liquid pipe
I.D. 3/8
I.D. 1/4 AJR54072901
1
2-15/16
11-1/16
11-1/2
I.D. 1/2
1
O.D. 3/8
2-3/4
AJR54072902
2
I.D. 3/8
3-5/16
I.D. 1/2
3
I.D. 1/2
12-5/8
I.D. 1
13-1/16
AJR54072903
I.D. 5/8
I.D. 1/2
2
I.D. 3/4
3-13/16
I.D. 1/2
14-5/8
3
15-1/2
I.D. 3/8
O.D. 1/2
I.D. 1/4
I.D. 1-1/8
3
4-3/8
AJR54072904
I.D. 5/8
I.D. 3/4
1
I.D. 7/8
4-15/16
3
16-3/8
17-1/2
I.D. 1/2
O.D. 5/8 I.D. 3/8
I.D. 1-5/8
2 3
4-3/8
I.D. 3/4
3
Unit: Inch
I.D. 1/4
I.D. 3/8
2-15/16
I.D. 1/4
I.D. 3/8
I.D. 1/2
I.D. 3/8
I.D. 1/4
I.D. 1/2
2-15/16
I.D. 3/8
I.D. 1/4
I.D. 3/4
I.D. 5/8 I.D. 1/2
2
I.D. 1/2
I.D. 5/8
3-5/16
I.D. 3/4
3
I.D. 3/8
O.D. 1/2
2
2-3/4
I.D. 3/4
I.D. 7/8
I.D. 5/8
2
I.D. 5/8
3-13/16
I.D. 1/2
I.D. 3/4
3
I.D. 3/8
O.D. 3/4
I.D. 7/8 O.D. 1/2
I.D. 1/4)
3
3-3/16
4-3/8