LG ARUN038GS2 Installation Manual - Page 56

Arbln03321

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HR Unit PCB 3) Setting the Valve Group. DIP S/W setting Not control No.1, 2 Valve Control Example 43 Indoor Unit Indoor Unit 2 1 Indoor Unit Indoor Unit 43 2 1 Indoor Unit Indoor Unit Large capacity indoor unit No.2, 3 Valve Control 43 21 Indoor Unit Large capacity indoor unit Indoor Unit No.3, 4 Valve Control 43 2 Large capacity indoor unit Indoor Unit 1 Indoor Unit No.1, 2 Valve / No.3, 4 Valve Control 43 Large capacity indoor unit 2 1 Large capacity indoor unit Note: If the large capacity indoor units are installed, below Y branch pipe should be used ✽ Y branch pipe Models Gas Pipe I.D19.05(3/4) I.D22.2(7/8) I.D19.05(3/4) I.D15.88(5/8) ARBLN03321 I.D25.4(1) I.D12.7(1/2) I.D28.58(1-1/8) I.D15.88(5/8) I.D12.7(1/2) O.D25.4(1) I.D19.05(3/4) O.D19.05(3/4) I.D22.2(7/8) I.D25.4(1) O.D19.05(3/4) I.D22.2(7/8) [Unit:mm(inch)] Liquid pipe I.D9.52(3/8) I.D6.35(1/4) I.D9.52(3/8) I.D12.7(1/2) I.D12.7(1/2) I.D9.52(3/8) I.D6.35(1/4) I.D12.7(1/2) 56 Outdoor Unit

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56
Outdoor Unit
HR Unit PCB
Y branch pipe
3) Setting the Valve Group.
No.1, 2 Valve
/
No.3, 4 Valve
Control
No.3, 4 Valve
Control
DIP S/W setting
No.2, 3 Valve
Control
No.1, 2 Valve
Control
Not control
Example
Indoor Unit
Indoor Unit
Large capacity indoor unit
Indoor Unit
Indoor Unit
Large capacity indoor unit
Indoor Unit
Indoor Unit
Large capacity indoor unit
Large capacity indoor unit
Large capacity indoor unit
Indoor Unit
Indoor Unit
Indoor Unit
Indoor Unit
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
Models
Gas Pipe
Liquid pipe
ARBLN03321
[Unit:mm(inch)]
I.D19.05(3/4)
I.D19.05(3/4)
I.D19.05(3/4)
O.D19.05(3/4)
O.D19.05(3/4)
I.D12.7(1/2)
I.D12.7(1/2)
I.D15.88(5/8)
I.D15.88(5/8)
I.D22.2(7/8)
I.D22.2(7/8)
I.D22.2(7/8)
I.D25.4(1)
I.D25.4(1)
I.D12.7(1/2)
I.D12.7(1/2)
I.D12.7(1/2)
I.D6.35(1/4)
I.D9.52(3/8)
I.D9.52(3/8)
I.D9.52(3/8)
I.D6.35(1/4)
I.D28.58(1-1/8)
O.D25.4(1)
Note:
If the large capacity indoor units are installed, below Y branch pipe should be used