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ART COOL

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Art Cool

Mirror

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Electrical Wiring Diagram

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Figure 12: ARNU053~153SBR4 and ARNU183-243SCR4 Wiring Diagram.

ART COOL

MIRROR

PCB Connection Purpose Function

CN-POWER AC Power supply AC Power line input for indoor controller

CN-MOTOR Fan motor output Motor output of BLDC

CN-HVB* Air cleaner* Air cleaner control*

CN-LEV EEV output EEV control output

CN-U/D Step motor Step motor output

CN-DISP2 Display Display of indoor status

CN-DISP1 Display Display of indoor status

CN-CC Dry contact Dry contact line

CN-485 Communication Connection between indoor and outdoor units

CN-REMO Remote controller Remote control line

CN-EXT1 External ON / OFF controller External ON / OFF controller connection

CN-TH1 Return air and inlet pipe thermistor Return air and inlet pipe thermistor connection

CN-TH2 Outlet pipe thermistor Outlet pipe thermistor connection

CN-TH3 Float switch Float switch connection

Table 12: SB and SC Frame Wiring Diagram Legend.

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LG ARNU093SBL4 User Manual

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