Carrier Weathermaster 48P030-100 Controls, Start-Up, Operation, Service, And Troubleshooting page 149

Fig. 32 — Economizer Control Board (EXB) and Rooftop Control Board (RXB)
POINT NAME
INPUTS
RMTIN Remote Occupancy Switch
ENTH Outdoor Enthalpy Switch
SFS Fan Status Switch
CIRCAHPS Compressor A1 HPS Feedback
CIRCBHPS Compressor B1 HPS Feedback
FRZ Hydronic Heat Freeze Stat
BP Building Pressure
SP Supply Duct Pressure
CCT Air Temp Leaving Evaporator Coil
DTA1 Compressor A1 Disch Temp
RGTA Suction Gas Temp Circuit A
Not Used —
OUTPUTS
Not Used Not Used
ACT_CMD BELIMO ACTUATORS
PE_1_POS Power Exhaust 1 Position
PE_2_POS Power Exhaust 2 Position
ECONOPOS Economizer Act. Curr. Pos.
ECON2POS Economizer 2 Act. Curr. Pos.
HYDV_POS Hydronic Valve
STHUM_POS Steam Humidifier
CONDFAN3 Condenser Fan Motor 3
CONDFAN4 Condenser Fan Motor 4
PE2 Power Exhaust Relay 2
MLV Minimum Load Valve
HIR Heat Interlock Relay
RHV Humidimizer 3 Way Valve
Table 108 — Rooftop Control Board (RXB) Inputs and Outputs
POINT DESCRIPTION TYPE OF I/O
Switch Input DI1
Switch Input DI2
Switch Input DI3
Switch Input DI4
Switch Input DI5
Switch Input DI6
Transducer (4-20 mA) AN1
Transducer (4-20 mA) AN2
Thermistor AN3
Thermistor AN4
Thermistor AN5
— AN6
4 to 20 mA AO1
Digital PP/MP
Relay RLY1
Relay RLY 2
Relay RLY 3
Relay RLY 4
Relay RLY 5
Relay RLY 6
149
CONNECTOR
I/O POINT NAME
PIN NO.
J4, 1-2
J4, 3-4
J4, 5-6
J4, 7-8
J4, 9-10
J4, 11-12
J5, 1-3
J5, 4-6
J6, 1-2
J6, 3-4
J6, 5-6
J6, 7-8
J9, 1-2
J7, 1-3
J8, 1-3
J8, 4-6
J8, 7-9
J8, 10-12
J8, 13-15
J8, 16-18