LG ARNU 073 SER2 Engineering Manual page 41

Figure 18: SB, SC Frame Piping Diagram.
Table 25: SB, SC Frame Refrigerant Pipe Connection Port Diameters.
Model
SB Frames
ARNU053SBL4
ARNU073SBL4
ARNU093SBL4
ARNU123SBL4
ARNU153SBL4
SC Frames
ARNU183SCL4
ARNU243SCL4
Table 26: SB, SC Frame Thermistors.
Thermistor
TH1
TH2
TH3
Heat Exchanger
TH3
C.F.F
TH1
Liquid (inch)
1/4 Flare
1/4 Flare
3/8 Flare
Description
Return air thermistor
Pipe in thermistor
Pipe out thermistor
Due to our policy of continuous product innovation, some specifications may change without notification.
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StandaRd Wall-Mounted
EEV
Filter
TH2
Filter
lndoor unit
Vapor (inch)
1/2 Flare
1/2 Flare
5/8 Flare
refrigerant Flow diagram
SB and SC Frames
Cooling
Heating
StAndArd | 41