143
Fig. 31 — Economizer Control Board (EXB) and Rooftop Control Board (RXB)
Table 106 — Rooftop Control Board (RXB) Inputs and Outputs
POINT NAME
POINT DESCRIPTION
TYPE OF I/O
I/O POINT NAME
CONNECTOR
PIN NO.
INPUTS
RMTIN
Remote Occupancy Switch
Switch Input
DI1
J4, 1-2
ENTH
Outdoor Enthalpy Switch
Switch Input
DI2
J4, 3-4
SFS
Fan Status Switch
Switch Input
DI3
J4, 5-6
CIRCAHPS
Compressor A1 HPS Feedback
Switch Input
DI4
J4, 7-8
CIRCBHPS
Compressor B1 HPS Feedback
Switch Input
DI5
J4, 9-10
FRZ
Hydronic Heat Freeze Stat
Switch Input
DI6
J4, 11-12
BP
Building Pressure
Transducer (4-20 mA)
AN1
J5, 1-3
SP
Supply Duct Pressure
Transducer (4-20 mA)
AN2
J5, 4-6
CCT
DTA1
RGTA
Not Used
Air Temp Leaving Evaporator Coil
Compressor A1 Disch Temp
Suction Gas Temp Circuit A
—
Thermistor
Thermistor
Thermistor
—
AN3
AN4
AN5
AN6
J6, 1-2
J6, 3-4
J6, 5-6
J6, 7-8
OUTPUTS
Not Used
Not Used
4 to 20 mA
AO1
J9, 1-2
ACT_CMD
PE_1_POS
PE_2_POS
ECONOPOS
ECON2POS
HYDV_POS
STHUM_POS
BELIMO ACTUATORS
Power Exhaust 1 Position
Power Exhaust 2 Position
Economizer Act. Curr. Pos.
Economizer 2 Act. Curr. Pos.
Hydronic Valve
Steam Humidifier
Digital
PP/MP
J7, 1-3
CONDFAN3
Condenser Fan Motor 3
Relay
RLY1
J8, 1-3
CONDFAN4
Condenser Fan Motor 4
Relay
RLY 2
J8, 4-6
PE2
Power Exhaust Relay 2
Relay
RLY 3
J8, 7-9
MLV
Minimum Load Valve
Relay
RLY 4
J8, 10-12
HIR
Heat Interlock Relay
Relay
RLY 5
J8, 13-15
Humidimizer 3 Way Valve
Relay
RLY 6
J8, 16-18
Summary of Contents for Weathermaster 48P2030-100
Page 130: ...130 Fig 19 Typical Power Schematic Sizes 040 075 Shown ...
Page 131: ...131 Fig 20 Main Base Board Input Output Connections ...
Page 132: ...132 Fig 21 RXB EXB CEM SCB Input Output Connections ...
Page 133: ...133 Fig 22 Typical Gas Heat Unit Control Wiring 48P030 100 Units Shown ...
Page 134: ...134 Fig 23 Typical Electric Heat Wiring 50P030 100 Units Shown ...
Page 135: ...135 Fig 24 Typical Power Wiring 115 V ...
Page 136: ...136 Fig 25 Typical Gas Heat Section Size 030 050 Units Shown ...
Page 138: ...138 Fig 27 Component Arrangement Size 030 035 Units ...
Page 139: ...139 Fig 28 Component Arrangement Size 040 075 Units ...
Page 140: ...140 Fig 29 Component Arrangement Size 090 100 Units ...