LG multi V ARUB160BT3 - Page 80

80 Outdoor Unit
HR Unit PCB
3) Selection of the model of the HR unit
h Each model is shipped with the switches No.2 and No.3 pre-adjusted as above in the factory.
WARNING
• If you want to use a PRHR031 for 2 branches HR unit after closing 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 closing 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 closing 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.
(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