32 | ART COOL
TM
MUL
TI V W
all-Mounted Indoor Unit Engineering Manual
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.
ART COOL MIRROR
Refrigerant Flow Diagram
Figure 14: SJ, SK Frame Piping Diagram.
Thermistor
Description
TH1
Return air and pipe in thermistor
TH2
Pipe out thermistor
Table 15: SJ, SK Frame Refrigerant Pipe Connection Port Diameters.
Table 16: SJ, SK Frame Thermistors.
SJ and SK Frames
Model
Liquid (inch)
Vapor (inch)
SJ Frames
ARNU053SJR4
1/4 Flare
1/2 Flare
ARNU073SJR4
ARNU093SJR4
ARNU123SJR4
ARNU153SJR4
SK Frames
ARNU183SKR4
1/4 Flare
1/2 Flare
ARNU243SKR4
3/8 Flare
5/8 Flare
Heat Exchanger
C.F.F.
lndoor unit
EEV
Filter
Filter
TH1
TH2
Heating
Cooling