Rotenso Control Series Installation And User Manual page 60

LOKA HAHB remote control
EN
Wired Controller
The main/secondary wired controller can be used to enable two wired controllers
to control one unit, and the wired controllers connect to the unit HA and HB ports
through the HA and HB port on the controller. There is no polarity between HA and
HB. SeeFig. 3-8
Indoor Unit
HA HB
0
Wired Controller 1
1
Wired Controller 2
Fig. 3-8
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Installation and user manual