Multi Variable Air Conditioners Ducted Type Indoor Unit
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For units with single-phase power supply.
(1) Remove the electrical box cover.
(2) Insert wiring through the access holes.
(3) Secure wiring with a wire tie.
(4) The power supply wire size can't be smaller than 18 AWG.
5.3 Wiring of the Signal Line of the Wired Controller
(1) Open the cover of the electrical box of the indoor unit.
(2) Feed the communication wire go through the rubber grommet.
(3) Insert the communication wire into the four-pin socket on the printed circuit board of
the indoor unit.
(4) Secure the signal line with a wire tie.
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