Carrier WeatherExpert 48N2 Controls, Start-Up, Operation, Service, And Troubleshooting page 151

POINT NAME POINT DESCRIPTION
INPUTS
IGCFAN IGC IFO input
Fire Shutdown Switch, RA/SA Smoke
FSD
Detector
G Thermostat 'G' Input
W2 Thermostat 'W2' Input
W1
Thermostat 'W1' Input
Y2 Thermostat 'Y2' Input
Y1
Thermostat 'Y1' Input
CSB_A1 Compressor A1 Feedback
CSB_B1
Compressor B1 Feedback
CSB_A2 Compressor A2 Feedback
CSB_B2
Compressor B2 Feedback
DP_A Discharge Pressure Circuit A
DP_B
Discharge Pressure Circuit B
SP_A Suction Pressure Circuit A
SP_B Suction Pressure Circuit B
RAT Return Air Temperature
SAT Air Temp Lvg Supply Fan
OAT Outside Air Temperature
SPT Space Temperature
SPTO Space Temperature Offset
IAQ, IAQMINOV IAQ Input
PWR_STAT Power Status Input
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used
Not Used
Not Used Not Used
Not Used
Not Used
Not Used Not Used
Not Used
Not Used
MSP1TRIP MSP1 Tripped
MSP2TRIP
MSP2 Tripped
OUTPUTS
CMPB2
Compressor B2
CMPB1 Compressor B1
CMPA2 Compressor A2
CMPA1 Compressor A1
CONDFAN2 Condenser Fan Circuit B
CONDFAN1 Condenser Fan Circuit A
HS2 Heat Relay 2
HS1 Heat Relay 1
HS7 Heat Relay 7
HS8 Heat Relay 8
ALRM Alarm Relay
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Not Used Not Used
Table 94 — Main Control Board (MBB) Inputs and Outputs
Switch Input
Switch Input
Switch Input
Switch Input
Switch Input
Switch Input
Switch Input
Digital Input
Digital Input
Digital Input
Digital Input
Thermistor/Transducer (0-5 V)
Thermistor/Transducer (0-5 V)
Thermistor/Transducer (0-5 V)
Thermistor/Transducer (0-5 V)
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
VFD1 AI1 (% of range)
VFD1 AI2 (% of range)
VFD1 DI1 State
VFD1 DI2 State
VFD1 DI3 State
VFD1 DI4 State
VFD1 DI5 State
VFD1 DI6 State
VFD2 AI1 (% of range)
VFD2 AI2 (% of range)
VFD2 DI1 State
VFD2 DI2 State
VFD2 DI3 State
VFD2 DI4 State
VFD2 DI5 State
VFD2 DI6 State
Relay
Relay
Relay
Relay
Relay
Relay
Relay
Relay
Relay
Relay
Relay
ABB Analog Output
ABB Analog Output
ABB Relay Output
ABB Relay Output
ABB Relay Output
ABB Relay Output [OREL 01]
ABB Relay Output [OREL 01]
ABB Relay Output [OREL 01]
ABB Relay Output
ABB Relay Output
ABB Relay Output
ABB Relay Output
ABB Relay Output
ABB Relay Output [OREL 01]
ABB Relay Output [OREL 01]
ABB Relay Output [OREL 01]
I/O POINT
TYPE OF I/O
NAME
DI1
DI2
DI3
DI4
DI5
DI6
DI7
DIG1
DIG2
DIG3
DIG4
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AN8
AN9
AN10
AN11
AI1
AI2
DI1
DI2
DI3
DI4
DI5
DI6
AI1
AI2
DI1
DI2
DI3
DI4
DI5
DI6
RLY 1
RLY 2
RLY 3
RLY 4
RLY 5
RLY 6
RLY 7
RLY 8
RLY 9
RLY 10
RLY 11
AO1
AO2
RO1
RO2
RO3
RO4
RO5
RO6
AO1
AO2
RO1
RO2
RO3
RO4
RO5
RO6
151
CONTROL CONNECTOR
BOARD PIN NO.
MBB J6, 3-4
MBB J6, 5-6
MBB J7, 1-2
MBB J7, 3-4
MBB J7, 5-6
MBB J7, 7-8
MBB J7, 9-10
MBB J9, 10-12
MBB J9, 7-9
MBB J9, 4-6
MBB J9, 1-3
MBB J8, 21-23
MBB J8, 24-26
MBB J8, 15-17
MBB J8, 18-20
MBB J8, 9-10
MBB J8, 11-12
MBB J8, 13-14
MBB J8, 1-2
MBB J8, 3-4
MBB J8, 5-6
MBB J8, 7-8
ABB VFD1 X, 2-3
ABB VFD1 x, 5-6
ABB VFD1 X, 12-13
ABB VFD1 X, 12-14
ABB VFD1 X, 12-15
ABB VFD1 X, 12-16
ABB VFD1 X, 12-17
ABB VFD1 X, 12-18
ABB VFD2 X, 2-3
ABB VFD2 x, 5-6
ABB VFD2 X, 12-13
ABB VFD2 X, 12-14
ABB VFD2 X, 12-15
Ret/Exh Fan
ABB VFD2 X, 12-16
ABB VFD2 X, 12-17
ABB VFD2 X, 12-18
MBB J10, 20-21
MBB J10, 22-23
MBB J10, 24-25
MBB J10, 26-27
MBB J10, 10-11
MBB J10, 12-13
MBB J10, 14-16
MBB J10, 17-19
MBB J10, 4-6
MBB J10, 7-9
MBB J10, 1-3
ABB VFD1 X, 6-7
ABB VFD1 X, 8-9
ABB VFD1 X, 19-21
ABB VFD1 X, 22-24
ABB VFD1 X, 25-27
ABB VFD1 X, 1-3
ABB VFD1 X, 4-6
ABB VFD1 X, 7-9
ABB VFD2 X, 6-7
ABB VFD2 X, 8-9
ABB VFD2 X, 19-21
ABB VFD P.E. or
ABB VFD2 X, 22-24
Ret/Exh Fan
ABB VFD2 X, 25-27
ABB VFD2 X, 1-3
ABB VFD2 X, 4-6
ABB VFD2 X, 7-9
UNITS
ALL
ALL
ABB
IFM
VFD
ABB
VFD P.E.
or
VFD
ALL
ALL
ABB
IFM
VFD
VFD