LG MULTI V PRHR022 Installation Manual page 15

3) Selection of the model of the HR unit
(For 2 branches)
Initial
Setting
1 branch
Connected
2 branches
Connected
3 branches
Connected
4 branches
Connected
❈ 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 PRHR032 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 PRHR042 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 PRHR042 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.
2
1
PRHR022
3
2
1
(For 3 branches)
PRHR032
INSTALLATION
15
3 4
1 2
(For 4 branches)
PRHR042