LG Multi V Art Cool ARNU093SFA4 Engineering Manual page 75

Figure 26: ARNU303SVA4 and ARNU363SVA4 Wiring Diagram.
Table 37: SV Frame Wiring Diagram Legend.
PCB Connection
CN-POWER
CN-MOTOR
CN-LEV
CN-U/D
CN-DISP2
CN-DISP1
CN-CC
CN-485
CN-REMO
CN-EXT1
CN-TH1
CN-TH2
CN-TH3
*To enable Generation 4 features, outdoor unit DIP switch no. 3 must be set to ON. Please refer to the Multi V 5, Multi V IV, Multi V Water IV, Multi V
S Engineering Manual for additional information.
External ON / OFF controller
Return air and inlet pipe thermistor
Outlet pipe thermistor
Due to our policy of continuous product innovation, some specifications may change without notification.
©
LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
STANDARD WALL-MOUNTED
Purpose
AC Power supply
Fan motor output
EEV output
Step motor
Display
Display
Dry contact
Communication
Remote controller
Float switch
Electrical Wiring Diagram
SV Frames
Function
AC Power line input for indoor controller
Motor output of BLDC
EEV control output
Step motor output
Display of indoor status
Display of indoor status
Dry contact connection
Connection between indoor and outdoor units
Remote control connection
External ON / OFF controller connection
Return air and inlet pipe thermistor connection
Outlet pipe thermistor connection
Float switch connection
STANDARD | 75