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Figure 3: ARND093DCR4, ARND153DCR4, and ARND203DCR4 Refrigerant Piping Diagram (Cooling)
EEV
TH7
TH6
TH8
TH1 ~TH5 : Air Thermistor
TH6 ~TH12 : Pipe Thermistor
Humid1 : Air Humidity Sensor
Table 4: ARND093DCR4, ARND153DCR4, and ARND203DCR4 Refrigerant Pipe Connection Port Diameters.
Model
Liquid (in., O.D.) High Pressure Vapor (in., O.D.) Low Pressure Vapor Size (in., O.D.)
ARND093DCR4
3/8 Brazed
ARND153DCR4
1/2 Brazed
ARND203DCR4
1/2 Brazed
Table 5: ARND093DCR4, ARND153DCR4, and ARND203DCR4 Thermistors.
Thermistor
TH1
TH2
TH3
TH4
TH5
TH6
TH7
TH8
TH9
TH10
TH11
TH12
Humid1
Reheat coil
TH11
EEV
TH3
TH9
Filter
TH1
Solenoid valve
Check Valve
5/8 Brazed
3/4 Brazed
7/8 Brazed
Type
Air
Air
Mixed Air Thermistor (After E/Heater)
Air
Air
Air
Pipe
Pipe
Pipe
Pipe
Pipe
Pipe
Pipe
-
Due to our policy of continuous product innovation, some specifications may change without notification.
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Airflow
TH5
Sirroco Fan (ARND093DCR4) or
3D Plug Fan (ARND153DCR4, ARND203DCR4)
M
TH12
TH4
TH10
Main coil
TH2
HUMID1
Airflow
Muffler
Filter
3/4 Brazed
1-1/8 Brazed
1-1/8 Brazed
Description
Outdoor Air Thermistor
Main Coil 1 Thermistor
Main Coil 2 Thermistor
Supply Air Thermistor
Liquid Pipe Thermistor
SC In Thermistor
SC Out Thermistor
Main Coil In Thermistor
Main Coil Out Thermistor
Reheat Coil In Thermistor
Reheat Coil Out Thermistor
Outdoor Air Humidity Sensor
GENERAL DATA
Refrigerant Flow - Cooling
High Temperature High Pressure Vapor
High Temperature High Pressure Liquid
Low Temperature Low Pressure Vapor
EEV
EEV
17
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