LG multi V ARNU073TUD4 Engineering Manual page 66

FOUR-WAY CEILING CASSETTE
Refrigerant Flow Diagram
TR, TQ, TA Frames
Figure 35: TR, TQ, TA Frame Piping Diagram.
Table 32: TR, TQ, TA Frame Refrigerant Pipe Connection Port Diameters.
Model
ARNU053TRD4
ARNU073TRD4
ARNU093TRD4
ARNU123TRD4
ARNU153TQD4
ARNU183TQD4
ARNU073TAA4
ARNU093TAA4
ARNU123TAA4
ARNU153TAA4
ARNU183TAA4
ARNU243TAA4
ARNU283TAA4
ARNU363TAA4
ARNU423TAA4
ARNU483TAA4
Table 33: TR, TQ, TA Frame Thermistors.
Thermistor
TH1
TH2
TH3
66 | FOUR-WAY
Heat Exchanger
TH3
Turbo Fan
Liquid (inch)
1/4 Flare
3/8 Flare
Description
Return air thermistor
Pipe in thermistor
Pipe out thermistor
©
EEV
TH2
Filter
lndoor unit
TH1
Vapor (inch)
1/2 Flare
5/8 Flare
Filter
Cooling
Heating