Outdoor Unit Y-Branches For Arun Series Heat Pump Systems - LG Multi IV Engineering Manual

REFRIGERANT PIPING DESIGN

Outdoor Unit Y-branches for ARUN Series Heat Pump Systems

For Dual-Frame Heat Pump Systems
Combination
For Triple-Frame Heat Pump Systems
Combination specification
B
130 |
Multi-Frame
Connector
I.D. 1-1/8
I.D. 1-1/4
I.D. 1-3/8
ARCNN21
I.D. 1-1/2
I.D. 1-5/8
5-1/8
Multi-Frame
Connector
I.D. 1-1/8
I.D. 1-1/4
I.D. 1-3/8
ARCNN21
I.D. 1-1/2
I.D. 1-5/8
5-1/8
I.D. 1-1/2
I.D. 1-5/8
B
ARCNN31
O.D. 1-3/8
I.D. 1-5/8
4-15/16
©
Vapor pipe
16-3/8
16-1/16
I.D. 1-1/8
I . D .
4-3/8
I.D. 7/8
I.D. 1-1/8
O.D.1-3/8
I.D. 7/8
I.D. 7/8
O.D. 1-1/8
I.D.
3/4
4-3/4
Vapor pipe
16-3/8
16-1/16
I.D. 1-1/8
D . I
4-3/8
I.D. 7/8
I.D. 1-1/8
O.D.1-3/8 I.D. 7/8
I.D. 7/8
O.D. 1-1/8
I.D.
3/4
4-3/4
16
13-15/16
I.D.
I.D. 1-3/8 I.D. 1-3/8
7/8
I.D. 1-1/8
I.D. 7/8
O.D.1-1/8
I.D.
3/4
4-3/4
Unit: inch
Liquid pipe
13-1/16
12-3/8
I.D. 5/8 I.D. 5/8
I.D. 1/2
3-5/16
I.D. 3/8
4 / 3
I.D. 1/2 I.D. 5/8
I.D. 1/2
O.D. 3/4
O.D. 5/8 I.D. 3/8
2-3/4
4-3/8
Liquid pipe
13-1/16
12-3/8
I.D. 5/8 I.D. 5/8
I.D. 1/2
I.D. 3/8
3-5/16
3 . 4 /
I.D. 1/2 I.D. 5/8
I.D. 1/2
O.D. 3/4
O.D. 5/8 I.D. 3/8
2-3/4
4-3/8
13-3/16
11-1/16
3-5/16
O.D. 3/4 O.D. 3/4
I.D. 5/8 I.D. 1/2
I.D. 3/8
I.D. 5/8
O.D. 1/2
O.D. 3/4
I.D. 1/2
I.D. 1/4
X2
4-3/8 4-3/8