Water Source Unit Y-Branch Kits For Heat Recovery Systems - LG Multi V Water IV Installation Manual

LG water source unit Y-branch fittings must be used
with LG systems and be properly installed follow-
ing the instructions in the applicable LG manual.
Field-supplied branch fittings are not permitted. Kit
components must be kept dry and free of debris
before installation. All Y-branch kits include a clam
shell, peel-and-stick insulation jacket.
Figure 7: Y-branch Connectors (See Table 26).
Figure 8: Y-branch Dimensions (See Table 27).
Figure 9: Reducer Components
(See Table 28).
Table 29: Fitting Properties.
Material
Design Pressure

Water Source Unit Y-branch Kits for Heat Recovery Systems

Table 26: Y-branch Connection Diameters (inches, ID)
Y-branch
Kit
ARCNB21
ARCNB31
Table 27: Y-branch Dimensions (inches)
Y-branch Kit
ARCNB21
ARCNB31
Table 28: Y-branch Reducer Diameters (inches).
Y-branch Kit Qty/Kit
Vapor Line Low
ARCNB21 7
Vapor Line High
ARCNB31 6
Vapor Line Low
Vapor Line High
Copper
550 psig
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.
Y-branch Type
1
Liquid
—
AJR67613702
Vapor Line Low
1-1/8 1-1/4 1-3/8 7/8 1-1/8 — 1-1/8 —
AJR67613701
Vapor Line High
1-1/8 1-3/8 1-1/4 1-1/8 1-1/4
AJR72963604
Liquid
—
AJR67613704
Vapor Line Low
1-1/2 1-5/8 1-3/8 1-3/8 —
AJR67613703
Vapor Line High
1-3/8 1-1/2 1-5/8 1-1/2 1-3/8 1-1/8 1-3/8 1-1/8 7/8
AJR72963604
Y-branch Type
Liquid
AJR67613702
Vapor Line Low
AJR67613701
Vapor Line High
AJR72963604
Liquid
AJR67613704
Vapor Line Low
AJR67613703
Vapor Line High
AJR72963604
Reducer Type
10
7/8 ID
Liquid
5/8 OD
1-5/8 ID
1-1/8 OD
1 OD
1 OD
3/4 OD
3/4 OD
Liquid
1/2 OD
1-5/8 ID
1-1/8 OD
7/8 OD
1-1/8 OD
Table 30: Insulation Jacket Properties.
Material
UL94 Flame Classification
Density
Thermal Conductivity
Thickness
CUT SHEETS
Port Identifier
2 3 4 5 6
3/4 5/8 1/2 5/8 3/8 1/2
1 1-1/8 1-1/4
7/8 3/4 3/4 — — 5/8
— 1-1/8 —
A B
3-1/4 12-3/8
4-3/8 16-1/16
4-3/8 17-7/8
3-1/4 11-1/16
4-3/8 13-7/8
4-15/16 18-9/16
Reducer Diameters (inches)
11 12 13
3/4 OD — —
— 1/2 ID 3/8 ID
1-1/2 ID — 1-3/8 OD
— 7/8 ID 3/4 ID
7/8 ID — —
— 7/8 ID 3/4 ID
— 5/8 OD 1/2 ID
— 5/8 ID 1/2 ID
— 3/8 ID 1/4 ID
— 1-3/8 OD —
— 7/8 ID 3/4 ID
— 3/4 ID 5/8 ID
— 7/8 ID 3/4 ID
Polyolefin Foam
HF-1
1.84 lbs./ft.
0.0208 Btu/h/ft. ºF
1/2 inch
7 8 9
5/8 —
—
1
1/2 —
—
C
13-1/16
16-3/8
19-5/16
13-1/8
16
20-3/8
Length
2-3/4
4-3/8
5-1/8
4-3/4
3-1/4
4-3/4
4-3/8
4-3/8
4-3/8
4-7/8
4-3/4
4-3/4
4-3/4
3
39