Carrier 69NT40-561-019 Operation And Service Manual

Contents

3–5 T-3593.1.6 Control Box SectionThe control box (Figure 3.5) includes: the manual operation switches, circuit breaker (CB-1), compressor, fan andheater contactors, control power transformer, fuses, key pad, display module, current sensor module, controllermodule and the communications interface module.3.1.7 Communications Interface ModuleThe optional communications interface module is a slave module that allows communication with a master centralmonitoring station. The module will respond to communication and return information over the main power line.Refer to the master central monitoring station technical manual for additional information.Figure 3.5 Control Box Section1. Compressor Contactor - CH2. Compressor Phase A Contactor - PA3. Compressor Phase B Contactor - PB4. Heater Contactor - HR5. Display Module6. Communications Interface Module7. Controller/DataCORDER Module (Controller)8. Key Pad9. Remote Monitoring Receptacle10. Controller Battery Pack (Standard Location)11. Interrogator Connector (Box Location)12. Control Transformer13. Terminal Block - HW14. High Speed Evaporator Fan Contactor - EF15. Low Speed Evaporator Fan Contactor - ES16. Condenser Fan Contactor - CF17. Circuit Breaker - 460V18. Current Sensor Module- - - - -21 3 4 5 6 7 89101112131415161718