FOUR-WAY | 71
Four-Way Ceiling Cassette Product Data
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FOUR-WAY CEILING CASSETTE
Refrigerant Flow Diagram
TR, TQ, TP, TN, TM Frames
Figure 37: TR, TQ, TP, TN, TM Frame Piping Diagram.
Heat Exchanger
Turbo Fan
TH3
TH1
TH2
lndoor unit
EEV
Heating
Cooling
Filter
Filter
Model Liquid (inch) Vapor (inch)
[)UDPHV
ARNU053TRD4
1/4 Flare 1/2 Flare
ARNU073TRD4
ARNU093TRD4
ARNU123TRD4
ARNU153TQD4
ARNU183TQD4
[)UDPHV73+LJK
ARNU243TPC4
3/8 Flare 5/8 Flare
ARNU283TPC4
[)UDPHV71Ǝ+LJK
ARNU073TNA4
3/8 Flare 5/8 Flare
ARNU093TNA4
ARNU123TNA4
ARNU153TNA4
ARNU183TNA4
ARNU243TNA4
ARNU363TNC4
[)UDPHV70Ǝ+LJK
ARNU243TMA4
3/8 Flare 5/8 Flare
ARNU283TMA4
ARNU363TMA4
ARNU423TMC4
ARNU483TMC4
Thermistor Description
TH1 Return air thermistor
TH2 Pipe in thermistor
TH3 Pipe out thermistor
Table 36: TR, TQ, TP, TN, TM Frame Refrigerant Pipe Connection Port Diameters.
Table 37: TR, TQ, TP, TN, TM Frame Thermistors.