54 Outdoor Unit54 Outdoor Unit
HR Unit PCB
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.
(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.
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