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151
Table 94 —
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
Summary of Contents for WeatherExpert 48N2
Page 135: ...135 Fig 18 48 50N Typical Power Schematic Nominal 075 Ton Unit Shown ...
Page 136: ...136 Fig 19 48 50N Typical Power Schematic Nominal Ton 90 150 Units Shown ...
Page 137: ...137 Fig 20 48 50N Main Base Board Input Output Connections ...
Page 138: ...138 Fig 21 48 50N RXB EXB CEM Input Output Connections a48 9307 ...
Page 139: ...139 Fig 22 48 50N EXV SCB Input Output Connections a48 9308 ...
Page 140: ...140 Fig 23 48N Typical Modulating Gas Heat Unit Control Wiring ...
Page 141: ...141 Fig 24 50N Typical Electric Heat Unit Control Wiring ...
Page 144: ...144 Fig 27 48N Typical Gas Heat Section Wiring Nominal Ton 120 to 150 Units ...
Page 145: ...145 Fig 28 48 50N Typical Power Component Control Wiring 460 v ...
Page 146: ...146 Fig 29 48 50N Component Control Wiring 575 v Nominal Ton 075 to 150 Units ...
Page 147: ...147 Fig 30 48 50N Component Arrangement Power Box ...
Page 148: ...148 Fig 31 48 50N Component Arrangement Control Box ...
Page 240: ...240 APPENDIX D VFD INFORMATION CONT Fig G VFD Bypass Wiring Diagram WHEN USED ...