ENGLISH
Installation Manual 57
2) 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.
1 2
3
1
2
1
3
2
4
(For 2 rooms)
PRHR020
(For 3 rooms)
PRHR040
(For 4 rooms)
PRHR040
1 room
Connected
2 rooms
Connected
3 rooms
Connected
4 rooms
Connected
Initial
Setting
WARNING
•
If you want to use a PRHR030 for 2 rooms HR unit after closing the 3rd pipes, set the dip switch for 2 rooms HR unit.
•
If you want to use a PRHR040 for 3 rooms HR unit after closing the 4th pipes, set the dip switch for 3 rooms HR unit.
•
If you want to use a PRHR040 for 2 rooms HR unit after closing the 3rd and 4th pipes, set the dip switch for 2 rooms HR unit.
•
The unused port must be closed with a copper cap, not with a plastic cap.
