LG Multi V Service Manual

HR Unit PCB
- 72 -
Copyright © 2020 LG Electronics Inc.
All rights reserved. Only training and service purposes.
Models
ARBLB03321
413(16-1/4)
390(15-11/32)
I.D19.05(3/4)
I.D19.05(3/4)
I.D19.05(3/4)
I.D15.88(5/8)
I.D12.7(1/2)
I.D12.7(1/2)
I.D12.7(1/2)
I.D12.7(1/2)
I.D12.7(1/2)
I.D12.7(1/2)
I.D12.7
(1/2)
74
(2-29/32)
70(2-3/4)
70(2-3/4)
I.D15.88(5/8)
I.D15.88(5/8)
I.D25.4(1)
I.D25.4(1)
I.D25.4(1)
O.D25.4(1)
80(3-5/32)
110(4-11/32) 110(4-11/32)
332(13-1/16)
321(12-5/8)
83
(3-9/32)
1
2
3
3
I.D19.05(3/4)
I.D19.05(3/4)
O.D19.05(3/4)
O.D19.05(3/4)
2
3 2
3
1 2
O.D15.88(5/8)
444(17-15/32)
421(16-9/16)
96
(3-25/32)
I.D15.88
(5/8)
I.D22.2(7/8)
I.D22.2(7/8)
I.D22.2(7/8)
I.D22.2(7/8)
I.D22.2(7/8)
I.D22.2(7/8)
O.D15.88(5/8)
I.D6.35(1/4)
I.D6.35(1/4)
I.D28.58(1-1/8)
I.D19.05(3/4)
I.D9.52(3/8)
I.D9.52(3/8)
I.D9.52(3/8)
I.D9.52(3/8)
Low Pressure Gas Pipe High Pressure Gas PipeLiquid pipe
] Y branch pipe
* For more information, refer accessory installation manual.
[Unit:mm(inch)]
Note:
If the large capacity indoor units are installed, below Y branch pipe should be used
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
SW01D
Setting
Valve Group
SW01D
Setting
Not control 0 No. 5,6/7,8 Valve Control 8
No. 1,2 Valve Control 1 No. 1,2/5,6 Valve Control 9
No. 2,3 Valve Control 2 No. 1,2/7,8 Valve Control A
No. 3,4 Valve Control 3 No. 3,4/5,6 Valve Control B
No. 5,6 Valve Control 4 No. 3,4/7,8 Valve Control C
No. 6,7 Valve Control 5 No. 1,2/3,4/5,6 Valve Control D
No. 7,8 Valve Control 6 No. 1,2/3,4/6,7 Valve Control E
No. 1,2/3,4 Valve Control 7 No. 1,2/3,4/7,8 Valve Control F
2. Main function of SW01D
* Master Only

LG Multi V Specifications

General

Type	VRF (Variable Refrigerant Flow)
Compressor Type	Scroll
Refrigerant	R410A
Energy Efficiency	High
Control System	Centralized and individual control options
Indoor Units	Multiple types available (e.g., ceiling cassette, wall-mounted, ducted)