Installation Manual 93
ENGLISH
HR Unit PCB
u Group Number setting for Indoor Units
① Confirm the power of whole system(Indoor Unit, Outdoor Unit) is OFF, otherwise turn off.
② The communication lines connected to INTERNET terminal should be connected to central control of
Outdoor unit with care for their polarity( A ’ A, B ’ B )
③ Turn the whole system on.
④ Set the group and Indoor Unit number with a wired remote control.
⑤ To control several sets of Indoor Units into a group, set the group ID from 0 to F for this purpose.