ART COOL
TM
| 15
Art Cool
TM
Gallery
Due to our policy of continuous product innovation, some specifications may change without notification.
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LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
Electrical Wiring Diagram
SF Frame
Figure 4: ARNU093SFA4 and ARNU123SFA4 Wiring Diagram.
ART COOL GALLERY
PCB Connection
Purpose
Function
CN-TH3
Pipe out thermistor
Pipe out thermistor connection
CN-TH2
Pipe in thermistor
Pipe in thermistor connection
CN-TH1
Return air thermistor
Return air thermistor connection
CN-UD
Step motor
Step motor output
CN-LR1
Step motor
Step motor output
CN-LR2
Step motor
Step motor output
CN-REMO
Wired remote controller
Wired remote controller connection
CN-EEV
EEV output
EEV control output
CN-EXT1
External on/off controller
External on/off controller connection
CN-CC
Dry contact
Dry contact connection
CN-485
Communication
Connection between indoor and outdoor units
Table 3: SF Frame Wiring Diagram Legend.
*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.