140
Table 93 — Main Control Board (MBB) Inputs and Outputs
POINT NAME POINT DESCRIPTION TYPE OF I/O
I/O POINT
NAME
CONTROL
BOARD
CONNECTOR
PIN NO.
UNITS
INPUTS
IGCFAN IGC IFO input Switch Input DI1 MBB J6, 3-4
ALL
FSD
Fire Shutdown Switch, RA/SA Smoke
Detector
Switch Input DI2 MBB J6, 5-6
G Thermostat ‘G’ Input Switch Input DI3 MBB J7, 1-2
W2 Thermostat ‘W2’ Input Switch Input DI4 MBB J7, 3-4
W1 Thermostat ‘W1’ Input Switch Input DI5 MBB J7, 5-6
Y2 Thermostat ‘Y2’ Input Switch Input DI6 MBB J7, 7-8
Y1 Thermostat ‘Y1’ Input Switch Input DI7 MBB J7, 9-10
CSB_A1 Compressor A1 Feedback Digital Input DIG1 MBB J9, 10-12
CSB_B1 Compressor B1 Feedback Digital Input DIG2 MBB J9, 7-9
CSB_A2 Compressor A2 Feedback Digital Input DIG3 MBB J9, 4-6
CSB_B2 Compressor B2 Feedback Digital Input DIG4 MBB J9, 1-3
DP_A Discharge Pressure Circuit A Thermistor/Transducer (0-5 V) AN1 MBB J8, 21-23
DP_B Discharge Pressure Circuit B Thermistor/Transducer (0-5 V) AN2 MBB J8, 24-26
SP_A Suction Pressure Circuit A Thermistor/Transducer (0-5 V) AN3 MBB J8, 15-17
SP_B Suction Pressure Circuit B Thermistor/Transducer (0-5 V) AN4 MBB J8, 18-20
RAT Return Air Temperature Thermistor AN5 MBB J8, 9-10
SAT Air Temp Lvg Supply Fan Thermistor AN6 MBB J8, 11-12
OAT Outside Air Temperature Thermistor AN7 MBB J8, 13-14
SPT Space Temperature Thermistor AN8 MBB J8, 1-2
SPTO Space Temperature Offset Thermistor AN9 MBB J8, 3-4
IAQ, IAQMINOV IAQ Input Thermistor AN10 MBB J8, 5-6
PWR_STAT Power Status Input Thermistor AN11 MBB J8, 7-8
Not Used Not Used VFD1 AI1 (% of range) AI1 ABB VFD1 X, 2-3
ALL
ABB
IFM
VFD
Not Used Not Used VFD1 AI2 (% of range) AI2 ABB VFD1 x, 5-6
Not Used Not Used VFD1 DI1 State DI1 ABB VFD1 X, 12-13
Not Used Not Used VFD1 DI2 State DI2 ABB VFD1 X, 12-14
Not Used Not Used VFD1 DI3 State DI3 ABB VFD1 X, 12-15
Not Used Not Used VFD1 DI4 State DI4 ABB VFD1 X, 12-16
Not Used Not Used VFD1 DI5 State DI5 ABB VFD1 X, 12-17
Not Used Not Used VFD1 DI6 State DI6 ABB VFD1 X, 12-18
Not Used Not Used VFD2 AI1 (% of range) AI1 ABB VFD2 X, 2-3
ABB
VFD P.E.
or
Ret/Exh Fan
VFD
Not Used Not Used VFD2 AI2 (% of range) AI2 ABB VFD2 x, 5-6
Not Used Not Used VFD2 DI1 State DI1 ABB VFD2 X, 12-13
Not Used Not Used VFD2 DI2 State DI2 ABB VFD2 X, 12-14
Not Used Not Used VFD2 DI3 State DI3 ABB VFD2 X, 12-15
Not Used Not Used VFD2 DI4 State DI4 ABB VFD2 X, 12-16
MSP1TRIP MSP1 Tripped VFD2 DI5 State DI5 ABB VFD2 X, 12-17
MSP2TRIP MSP2 Tripped VFD2 DI6 State DI6 ABB VFD2 X, 12-18
OUTPUTS
CMPB2 Compressor B2 Relay RLY 1 MBB J10, 20-21
ALL
CMPB1 Compressor B1 Relay RLY 2 MBB J10, 22-23
CMPA2 Compressor A2 Relay RLY 3 MBB J10, 24-25
CMPA1 Compressor A1 Relay RLY 4 MBB J10, 26-27
CONDFAN2 Condenser Fan Circuit B Relay RLY 5 MBB J10, 10-11
CONDFAN1 Condenser Fan Circuit A Relay RLY 6 MBB J10, 12-13
HS2 Heat Relay 2 Relay RLY 7 MBB J10, 14-16
HS1 Heat Relay 1 Relay RLY 8 MBB J10, 17-19
HS7 Heat Relay 7 Relay RLY 9 MBB J10, 4-6
HS8 Heat Relay 8 Relay RLY 10 MBB J10, 7-9
ALRM Alarm Relay Relay RLY 11 MBB J10, 1-3
Not Used Not Used ABB Analog Output AO1 ABB VFD1 X, 6-7
ALL
ABB
IFM
VFD
Not Used Not Used ABB Analog Output AO2 ABB VFD1 X, 8-9
Not Used Not Used ABB Relay Output RO1 ABB VFD1 X, 19-21
Not Used Not Used ABB Relay Output RO2 ABB VFD1 X, 22-24
Not Used Not Used ABB Relay Output RO3 ABB VFD1 X, 25-27
Not Used Not Used ABB Relay Output [OREL 01] RO4 ABB VFD1 X, 1-3
Not Used Not Used ABB Relay Output [OREL 01] RO5 ABB VFD1 X, 4-6
Not Used Not Used ABB Relay Output [OREL 01] RO6 ABB VFD1 X, 7-9
Not Used Not Used ABB Relay Output AO1 ABB VFD2 X, 6-7
ABB VFD P.E.
or Ret/Exh Fan
VFD
Not Used Not Used ABB Relay Output AO2 ABB VFD2 X, 8-9
Not Used Not Used ABB Relay Output RO1 ABB VFD2 X, 19-21
Not Used Not Used ABB Relay Output RO2 ABB VFD2 X, 22-24
Not Used Not Used ABB Relay Output RO3 ABB VFD2 X, 25-27
Not Used Not Used ABB Relay Output [OREL 01] RO4 ABB VFD2 X, 1-3
Not Used Not Used ABB Relay Output [OREL 01] RO5 ABB VFD2 X, 4-6
Not Used Not Used ABB Relay Output [OREL 01] RO6 ABB VFD2 X, 7-9
To Next Page
Loading...
