LG ARUN038GS2 Installation Manual page 57

2. 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
3 4
3. SW01M/SW03M/SW04M (Dip S/W and tact S/W for manual valve addressing)
- Used in manual addressing of the valve in the HR unit
- 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 differ-
ently at its wired remote control.
SW01M
SW03M
SW04M
3 4
1 2
S/W No.
No.1
No.2
No.3
No.4
SW03M
SW04M
3 4
3 4
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
HR Unit PCB
3 4
3 4
1 2
Installation Manual 57