LG ARNU093SBL4 User Manual

STANDARD | 49
Standard Wall-Mounted
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STANDARD WALL-MOUNTED
Electrical Wiring Diagram
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Figure 31: ARNU053~153SBL4 and ARNU183-243SCL4 Wiring Diagram.
Table 25: SB and SC Frame Wiring Diagram Legend.
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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

LG ARNU093SBL4 Specifications

General

Brand	LG
Model	ARNU093SBL4
Category	Heat Pump
Language	English