LG Multi V PRHR023 Installation Manual page 22

INSTALLATION
22
Main function of SW01D
1) Selection of the Valve Group Control
NOTE
!
Use the Valve Group Control when 2 branches are connected with only 1 indoor unit which
has higher capacity than 61 kBTU.
Valve Group
Not control
No. 1,2 Valve Control
No. 2,3 Valve Control
No. 3,4 Valve Control
No. 5,6 Valve Control
No. 6,7 Valve Control
No. 7,8 Valve Control
No. 1,2/3,4 Valve Control
NOTE
!
If the large capacity indoor units are installed, below Y branch pipe should be used.
h Y branch pipe
Models Low Pressure Gas Pipe
I.D 22.2
I.D 25.4 I.D 19.05
1
ARBLB03321
I.D 22.2
O.D 19.05
3
70
SW01D
Setting
0
1
2
3
4
5
6
7
I.D 19.05
I.D 15.88
I.D 12.7
2 I.D 9.52
I.D 19.05
I.D 15.88
I.D 12.7 83
I.D 12.7
390
3
413
I.D 22.2
I.D 28.58
O.D 19.05
O.D 25.4
I.D 25.4
1 2
80 110
Valve Group
No. 5,6/7,8 Valve Control
No. 1,2/5,6 Valve Control
No. 1,2/7,8 Valve Control
No. 3,4/5,6 Valve Control
No. 3,4/7,8 Valve Control
No. 1,2/3,4/5,6 Valve Control
No. 1,2/3,4/6,7 Valve Control
No. 1,2/3,4/7,8 Valve Control
Liquid pipe High Pressure Gas Pipe
I.D 19.05
I.D 12.7
I.D 9.52(3/8)
I.D 6.35
I.D 12.7
I.D 9.52 I.D 6.35 74
321
332
O.D 15.88
3
* Master Only
SW01D
Setting
8
9
A
B
C
D
E
F
[Unit : mm(inch)]
I.D 19.05
I.D 22.2 I.D 22.2
I.D 15.88
2
I.D 19.05
96
I.D 15.88
I.D 25.4
I.D 22.2
421
3
444
O.D 15.88
I.D 12.7
I.D 12.7
I.D 9.52
2
70
110