LG Multi V PRHR042A Installation Manual page 39

SW05M (Rotary S/W for addressing HR unit)
Must be set to '0' when installing only one HR unit.
When installing multiple HR units, address the HR units with
sequentially increasing numbers starting from '0'.
Ex) Installation of 3 HR units
A B
3 4
1 2
SW01M/SW03M/SW04M (DIP S/W and tact S/W for
manual valve addressing)
1
Normal setting (Non-Zoning setting)
- Set the address of the valve of the HR unit to the central control
address of the connected indoor unit.
- SW01M: selection of the valve to address
SW03M: increase in the digit of 10 of valve address
SW04M: increase in the last digit of valve address
- Prerequisite for manual valve addressing : central control address
of each indoor unit must be preset differently at its wired remote
control.
S/W No.
No.1
No.2
No.3
SW01M
No.4
SW03M
SW03M
SW04M
SW04M
2
Zoning setting
- Set the address of the valve of the HR unit to the central control
address of the connected indoor unit.
- SW01M : selection of the valve to address
SW03M : increase in the digit of 10 of valve address
SW04M : increase in the last digit of valve address
SW05M :Rotary S/W
- Prerequisite for manual valve addressing : central control address
of each indoor unit must be preset
differently at its wired remote control.
S/W No.
No.1 Manual addressing of valve #1
No.2 Manual addressing of valve #2
No.3 Manual addressing of valve #3
SW01M
No.4 Manual addressing of valve #4
Increase in the digit of 10 of valve
SW03M
SW03M
address
SW04M Increase in the last digit of valve address
SW04M
SW05M Manual addressing of zoning indoor units
SW05M
A B A B
3 4 3 4
1 2 1 2
Setup
Manual addressing of valve #1
Manual addressing of valve #2
Manual addressing of valve #3
Manual addressing of valve #4
Increase in the digit of 10 of valve
address
Increase in the last digit of valve
address
Setup
3 Series
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.
SW01D
Valve Group
Setting
Not control 0
No. 1,2 Valve Control 1
No. 2,3 Valve Control 2
No. 3,4 Valve Control 3
No. 5,6 Valve Control 4
No. 6,7 Valve Control 5
No. 7,8 Valve Control 6
No. 1,2/3,4 Valve
7
Control
NOTE
!
If the large capacity indoor units are installed, below Y branch pipe
should be used.
h Y branch pipe
* For more information, refer accessory installation manual.
Models Low Pressure Gas Pipe
I.D 22.2(7/8)
I.D 15.88(5/8)
I.D 25.4(1)
I.D 19.05(3/4)
1
I.D 19.05(3/4)
I.D 15.88(5/8)
390(15-11/32)
ARBLB03321
413(16-1/4)
I.D 22.2(7/8)
I.D 28.58(1-1/8)
O.D 19.05(3/4) O.D 19.05(3/4)
O.D 25.4(1)
3 1
70(2-3/4) 80(3-5/32)
Models High Pressure Gas Pipe
I.D 19.05(3/4)
I.D 19.05(3/4)
I.D 22.2(7/8) I.D 22.2(7/8)
I.D 19.05(3/4)
I.D 25.4(1)
I.D 22.2(7/8)
421(16-9/16)
ARBLB03321
444(17-15/32)
O.D 15.88(5/8)
I.D 12.7(1/2)
O.D 15.88(5/8) I.D 9.52(3/8)
3 2
70(2-3/4)
110(4-11/32)
* Master Only
SW01D
Valve Group
Setting
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
[Unit : mm(inch)]
Liquid pipe
I.D 19.05(3/4)
I.D 12.7(1/2)
I.D 12.7(1/2)
2
I.D 9.52(3/8)
I.D 9.52(3/8) I.D 6.35(1/4)
83
I.D 12.7
(3-9/32)
(1/2)
I.D 12.7(1/2) I.D 6.35
3
I.D 12.7(1/2)
I.D 9.52(3/8) (1/4)
I.D 22.2(7/8)
321(12-5/8)
332(13-1/16)
I.D 25.4(1)
2
110(4-11/32)
I.D 15.88(5/8)
2
96
I.D 15.88
(3-25/32)
(5/8)
3
I.D 12.7(1/2)
39
8
9
A
B
C
D
E
F
74
(2-29/32)