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AAON Orion VCCX2 Technical Manual

Also see for Orion VCCX2: Technical guideTechnical guideTechnical guide

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. Table Of Contents
  4. OVERVIEW
  5. Applications
  6. Part Number Cross Reference
  7. VCCX2 Controller Dimensions
  8. EM1 Expansion Module Dimensions
  9. E-BUS Digital Room Sensor
  10. E-BUS CO Wall Mounted Sensor
  11. Supply Air Temperature Sensor
  12. Return Air Temperature Sensor
  13. Building Static Pressure Sensor
  14. Remote SAT Reset Signal
  15. Outdoor Air Temperature Sensor
  16. E-BUS Outdoor Air Temperature and Humidity Sensor
  17. E-BUS Return Air Temperature and Humidity Sensor
  18. Supply Fan VFD Signal or Bypass Damper Actuator
  19. Economizer Damper Actuator
  20. Modulating Heating Device
  21. Building Pressure Control Output
  22. Entering Water Temperature Sensor
  23. Exhaust Duct Static Pressure Sensor
  24. VCC-X EM1 Expansion Module Output Wiring
  25. Chilled Water
  26. Return Air Bypass
  27. E-BUS 12 Relay Expansion Module Wiring
  28. RSMV Input Wiring
  29. RSMV Output Wiring
  30. RSMV-HP Input Wiring
  31. RSMV-HP Output Wiring
  32. RSMD Input Wiring
  33. RSMD Output Wiring
  34. RSMSD Input Wiring
  35. RSMSD Output Wiring
  36. MHGRV-X Controller
  37. MODGAS-X Controller
  38. PREHEAT-X Controller
  39. START-UP & COMMISSIONING
  40. INPUTS & OUTPUTS
  41. VCCX2 Controller Inputs & Outputs
  42. VCC-X EM1 Inputs & Outputs
  43. SEQUENCE OF OPERATIONS
  44. Cooling Mode
  45. Economizer Operation (Standard)
  46. Heating Mode
  47. Ventilation Mode
  48. Morning Cool-Down Mode Operation
  49. Airfl ow Monitoring
  50. Duct Static Pressure Control
  51. Exhaust Duct Static Pressure Control of Exhaust Fan
  52. VAV Operation with Outdoor Air Temperature Control
  53. Heat Pump Standard Defrost Operation
  54. Waterside Economizer Flush Cycle
  55. Alarm Detection and Reporting
  56. Mechanical Failure Alarms
  57. Trend Logging
  58. TROUBLESHOOTING
  59. OE271 & OE258-01 Pressure Sensor Testing
  60. APPENDIX A - SYSTEM CONFIGURATIONS
  61. INDEX
AAON Orion VCCX2 Technical Manual Manual pdf 29 page image
VCCX2 Controller Technical GuideVCCX2 CONTROLLER WIRING29Return Air Temperature Sensor WiringReturn Air Temperature SensorThe R36340 (6 inch) or P87140 (12 inch) Return Air TemperatureSensor must be wired as shown for proper operation. The Return AirTemperature Sensor is a 10K Type III thermistor sensor. The ReturnAir Temperature Sensor should be mounted in the return air duct. Ifthe system has a Zoning Bypass Damper installed, be sure the returnair sensor is located upstream of the bypass duct connection. SeeFigure 13, below for details.Figure 13: Return Air Temperature Sensor Wiring
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