LG MULTI V IV ARUB080BTE4, Installation Manual

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29
ENGLISH
4. Setting the Valve Group.
3. Selection of the model of the HR unit
* Each model is shipped with the switches No.2 and No.3 pre-adjusted
as above in the factory.
(For 2 branches)
PRHR021
(For 3 branches)
PRHR031
(For 4 branches)
PRHR041
Initial
Setting
1 branches
Connected
2 branches
Connected
3 branches
Connected
4 branches
Connected
1 2
3
1
2
1
3
2
4
WARNING
• If you want to use a PRHR031 for 2 branches HR unit after clos-
ing the 3rd pipes, set the dip switch for 2 branches HR unit.
• If you want to use a PRHR041 for 3 branches HR unit after clos-
ing the 4th pipes, set the dip switch for 3 branches HR unit.
• If you want to use a PRHR041 for 2 branches HR unit after clos-
ing the 3rd and 4th pipes, set the dip switch for 2 branches HR
unit.
• The unused port must be closed with a copper cap, not with a
plastic cap.
!
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
Large capacity indoor unit
Large capacity indoor unit
1
2
3
4
Indoor Unit
Indoor Unit
Large capacity indoor unit
1
2
3
4
Indoor Unit
Indoor Unit
Large capacity indoor unit
1
2
3
4
Indoor Unit
Indoor Unit
Large capacity indoor unit
1
2
3
4
Indoor Unit
Indoor Unit
Indoor Unit
Indoor Unit
1
2
3
4
NOTE
!
If the large capacity indoor units are installed, below Y branch pipe should be
used.
Models Gas Pipe Liquid pipe
ARBLB0 33 21
I.D9.52
I.D12.7
5 3 . 6 D . I 2 5 . 9 D . I
I.D9.52
I.D12.7
I.D6.35
I.D12.7
332
321
74
I.D25.4
413
390
83
I.D15.88
I.D19.05
I.D12.7
I.D12.7 I.D19.05 I.D15.88 I.D19.05
I.D22.2
I.D28.58
O.D25.4
I.D22.2
O.D19.05 O.D19.05
I.D22.2
I.D25.4
70 80 110
1
2
3
3 1 2
Y branch pipe [Unit:mm]
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 sequen-
tially increasing numbers starting from '0'.
Ex) Installation of 3 HR units
1 2
3 4
1 2
3 4
1 2
3 4
A B A B A B
S/W No. Setup
No.1 Manual addressing of valve #1
No.2 Manual addressing of valve #2
No.3 Manual addressing of valve #3
No.4 Manual addressing of valve #4
SW03M
Increase in the digit of 10 of valve
address
SW04M
Increase in the last digit of valve ad-
dress
SW01M
SW0 3 M
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. Setup
No.1 Manual addressing of valve #1
No.2 Manual addressing of valve #2
No.3 Manual addressing of valve #3
No.4 Manual addressing of valve #4
SW03M
Increase in the digit of 10 of valve ad-
dress
SW04M Increase in the last digit of valve address
SW05M Manual addressing of zoning indoor units
SW01M
SW0 3 M
SW04M
SW05M
0
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.