Carrier 48/50PG C03-14 Operation And Service Manual Manual pdf 25 page image
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Carrier 48/50PG C03-14 Operation And Service Manual

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Contents
  1. Table Of Contents
  2. GENERAL
  3. Accessory Navigator Display
  4. Conventions Used in This Manual
  5. Condenser Fans and Motors
  6. T−58 Communicating Room Sensor
  7. Programming Operating Schedules
  8. SERVICE TEST
  9. Heating Test
  10. Economizer Monitoring
  11. Modes
  12. General Operation
  13. Occupancy Determination
  14. Cooling Operation
  15. Heating Operation
  16. Economizer
  17. Optional Humidi−MiZert Dehumidification System
  18. Indoor Air Quality (IAQ)
  19. EnergyX
  20. Temperature Compensated Start
  21. Linkage
  22. Alarm Handling
  23. Comfortlinkt alarm codes
  24. Fan Status Switch Off/Fan Contactor On
  25. Control Module Communication
  26. Cooling Troubleshooting
  27. Humidi−MiZert Troubleshooting
  28. Economizer Troubleshooting
  29. Heating Troubleshooting
  30. Phase Loss Protection
  31. Transducer Troubleshooting
  32. MAJOR SYSTEM COMPONENTS
  33. Main Base Board (MBB)
  34. Economizer Control Board (ECB)
  35. Integrated Gas Control (IGC) Board
  36. Low Voltage Terminal Strip (TB1)
  37. Scrolling Marquee Display
  39. Field−Installed Accessories
  40. SERVICE
  41. Lubrication
  42. Evaporator Fan Service and Replacement
  43. Evaporator Fan Performance Adjustment
  44. Condenser−Fan Adjustment
  45. Refrigerant Charge
  46. Main Burners (48PG and 48PM)
  47. Filter Drier
  48. APPENDIX A − LOCAL DISPLAY AND CCN TABLES
  49. APPENDIX C − START−UP DATA
  50. APPENDIX D − ADDITIONAL START−UP DATA
  51. CONTROL SET POINT AND CONFIGURATION LOG
  52. UNIT START−UP CHECKLIST
Carrier 48/50PG C03-14 Operation And Service Manual Manual pdf 25 page image
25Table 10 – Control Modes with Humidi−MiZer SystemOutput and Valve States versus Circuit Mode .x = Circuit A, B, or C identifierDEMAND AND MODE OUTPUTS 48/50PG03-16 VALVES48/50PG20-2848/50PM16-28VALVESSpaceHumidityCircuitCoolingDemandCircuitModeIndoorFan (IDF)CircuitCompressor(CMP.x)Cooling-ReheatControl(CRC)*Reheat2Valve(RH2.x)CV.xValve2-wayRH1.xValve2-wayRH2.xValve2-wayRH1.xValve3-wayRH2.xValve2-way— — Nopower OFF Off Off Off Off(open)Off(open)Off(closed) Off Off(closed)Low No OffPerVentilationControlOff Off Off Off(open)On(closed)Off(closed) Off Off(closed)Low Yes Cool On On Off Off Off(open)On(closed)Off(closed) Off Off(closed)High Yes Reheat1 On On On Off On(closed)Off(open)Off(closed) On Off(closed)High No Reheat2 On On On On On(closed)Off(open)On(open) On On(open)COMPCOND COIL HUMIDI-MIZER COILEVAP COILINDOOR ENTERINGAIROUTDOOR AIRMETERINGDEVICECLOSED VALVEOPEN VALVE3-WAY VALVERH1.xRH2.xCV.xC07003Fig. 9 − Normal Cooling Mode — Humidi−MiZer System48/50PG03−1648/50PG and PM
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This manual is suitable for:
48/50PG C03-1448/50PM C16-2848PGC0348PGC0448PGC0548PGC0648PGC0748PGC0848PGC0948PGC1248PGC1448PMC1648PMC2048PMC2448PMC2850PGC0350PGC0450PGC0550PGC0650PGC0750PGC0950PGC1250PMC1650PMC2050PMC2450PMC28
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