Trane RAUP 250 - Page 39

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RAUP 250/300
Termination Diagram
CAREL pCO5
Schematic &
G J1-1 24Vac Power Supply
G0 J1-2 Power Supply Reference
+V J24-1 Additional Power Supply for Aria
GND J24-2 Power Supply Common
+5V J24-3 Power Supply for 0/5V Ratiometric Probe
U1 J2-1 Evaporating Pressure, Circuit 1
U2 J2-2 Evaporating Pressure, Circuit 2
U3 J2-3 Remote Setpoint
GND J2-4 Common
+Vdc J2-5
~21Vdc Power Supply (Max Current 200mA)
U4 J3-1 Outlet Air Temperature (Fan Outlet Temp)
GND J3-2 Common
U5 J3-3 External/Outside Temperature
GND J3-4 Common
ID1 J5-1 Serious Alarm Switch (Emergency Stop)
ID2 J5-2 Air Flow Switch
ID3 J5-3 Remote ON/OFF
ID4 J5-4 Main Fan Overload
ID5 J5-5 Low Pressure Switch Circuit 1
ID6 J5-6 High Pre
ssure Switch Circuit 1
ID7 J5-7 Compressor 1 Overload Circuit 1
ID8 J5-8 Compressor 2 Overload Circuit 1
IDC1 J5-9 Common (DI 1-8)
U6 J6-1 Condensing Pressure Circuit 1
U7 J6-2 Condensing Pressure Circuit 2
U8 J6-3 Room Temperature (Return Air Temp)
GND J6-4 Common
ID9 J7-1 Condenser Fan Overload Circuit 1
ID10 J7-2 Low Pressure Switch Circuit 2
ID11 J7-3 High Pressure Switch Circuit 2
ID12 J7-4 Compressor 1 Overload Circuit 2
IDC9 J7-5 Common (DI 9-12)
ID13h J8-1 Not used
ID13 J8-2 Compressor 2 Overload Circuit 2
IDC13 J8-3 Common (DI 13-14)
ID14 J8-4 Condenser Fan Overload Circuit 2
ID14h J8-5 Not used
C1 J12-1 Common (Relays 1-3)
NO1 J12-2 Compressor 1 Circuit 1
NO2 J12-3 Compressor 2 Circuit 1
NO3 J12-4 Liquid Solenoid Circuit 1
C1 J12-5 Common (Relays 1-3)
C4 J13-1 Common (Relays 4-6)
NO4 J13-2 Compressor 1 Circuit 2
NO5 J13-3 Compressor 2 Circuit 2
NO6 J13-4 Liquid Solenoid Circuit 2
C4 J13-5 Common (Relays 4-6)
C7 J14-1 Common (Relay 7)
NO7 J14-2 Condenser Fan 1 Circuit 1
C7 J14-3 Common (Relay 7)
NO8 J15-1 General Alarm, N/O
C8 J15-2 Common (Relay 8)
NC8 J15-3 General Alarm, N/C
C9 J16-1 Common (Relays 9-11)
NO9 J16-2 Condenser Fan 1 Circuit 2
NO10 J16-3 Antifreeze Heater Circuit 1
NO11 J16-4 Antifreeze Heater Circuit 2
C9 J16-5 Common (Relays 9-11)
NO12 J17-1 Main Fan, N/O
C12 J17-2 Common (Relay 12)
NC12 J17-3 Main Fan, N/C
NO13 J18-1 Condenser Running Status, N/O
C13 J18-2 Common (Relay 13)
NC13 J18-3 Condenser Running Status, N/C
FIELD Card RS485 Connection: GND, +, -
th-Tune
24VAC from Terminals G, G0
G G0