76 | STANDARD
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.
STANDARD WALL-MOUNTED
Refrigerant Flow Diagram
Figure 27: SJ, SK, and SV Frame Piping Diagram.
SJ, SK, SV Frames
Table 38: SJ, SK, and SV Frame Refrigerant Pipe Connection Port Diameters.
Table 39: SJ, SK, and SV Frame Thermistors.
Model
Liquid (inch)
Vapor (inch)
SJ Frames
ARNU053SJA4
1/4 Flare
1/2 Flare
ARNU073SJA4
ARNU093SJA4
ARNU123SJA4
ARNU153SJA4
SK Frames
ARNU183SKA4
1/4 Flare
1/2 Flare
ARNU243SKA4
3/8 Flare
5/8 Flare
SV Frames
ARNU303SVA4
3/8 Flare
5/8 Flare
ARNU363SVA4
Heat Exchanger
C.F.F.
lndoor unit
EEV
Filter
Filter
TH1
TH2
Heating
Cooling
Thermistor
Description
TH1
Return air and pipe in thermistor
TH2
Pipe out thermistor