Orion-system VCC-X Controller Manual de usuario Pagina 69
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VCC-X Controller Technical Guide
SEQUENCE OF OPERATIONS
69
Values can be retrieved using the Prism 2 software program. With
Prism 2 running continuously, values can be saved to the computer
hard drive at regular intervals to keep from losing data.
VCC-X Controller Trend Logs
The following are the fi xed items that can be logged for the VCC-X
Controller:
Date
Time
Mode of Operation (Occupied / Override / Unoccupied)
HVAC Mode
Space Temperature
Indoor Humidity
Mode Cooling Setpoint
Mode Heating Setpoint
Supply Air Temperature
Supply Air Setpoint
Coil Temperature Setpoint
Return Air Temperature
Return Air Humidity
Outdoor Air Temperature
Outdoor Air Humidity
Outdoor Air Wetbulb
Outdoor Air Dewpoint
Carbon Dioxide
Outdoor Airfl ow CFM
Supply Airfl ow CFM
Return Airfl ow CFM
Exhaust Airfl ow CFM
Building Pressure
Duct Static Pressure
MHGRV Valve Position
MODGAS Valve Position
Main Fan Speed VFD Signal
Economizer Position
Modulating Heat Signal
Building Pressure Relief VFD Signal
Modulating Cooling Signal
Compressor Alarms
Expansion Board Alarms
Temperature Limit Alarms
Mode of Operation Alarms
Sensor Alarms
Binary Inputs
Main Relays
Expansion Relays
Relay #1 Status (Fan Relay)
Relays #2 through #24 Status (Labeled as confi gured)
Trend Logging
VAV/Zone Controller Alarms
Space Sensor Failure Alarm
If the controller detects an open or short on the Space Sensor input,
this alarm will be generated.
CFM Sensor Failure Alarm
If the Air Flow Constant (K Factor) is set to any value other than
zero, and the controller does not detect the Airfl ow Sensor, this alarm
will be generated.
Damper Opening Alarm
After initial calibration, if the damper is called to be fully open and
cannot reach that position within approximately 2 minutes, this
alarm will be generated.
Damper Closing Alarm
After initial calibration, if the damper is called to be fully closed
and cannot reach that position within approximately 2 minutes, this
alarm will be generated.
High Space Temp Alarm
If the zone temperature is above the Cooling Setpoint by the Hi Zone
Alarm Offset (user adj.) for the Zone Alarm Delay Period (user adj.),
this alarm will be generated.
Low Space Temp Alarm
If the zone temperature is below the Heating Setpoint by the Lo Zone
Alarm Offset (user adj.) for the Zone Alarm Delay Period (user adj.),
this alarm will be generated.
Damper Feedback Failure Alarm
If the controller fails to detect the actuator feedback signal, this
alarm will be generated.
Relay Outputs
There are 8 relay outputs that are confi gurable for the VCC-X
Controller (Relay #1 is reserved for the Supply Fan and is not
confi gurable). See Table 5 for descriptions of the confi guration
options.
Trend Logging
The VCC-X Controller continuously maintains an Internal Trend
Log in memory which records a fi xed set of values at a user-defi ned
interval.
120 log positions (timed retrievals) are available on the controller.
Once these positions are full, the controller begins overwriting the
oldest data.
- VCC-X Controller 1
- Technical Guide 1
- TABLE OF CONTENTS 2
- System Features 5
- Applications 6
- Part Number Cross Reference 7
- VCC-X CONTROLLER 8
- Orion No.: OE338-26B-VCCX 8
- AAON No.: V42430 8
- OVERVIEW 10
- Parts and Descriptions 10
- VCC-X Controller Dimensions 14
- VCC-X CONTROLLER WIRING 15
- VCC-X EM1 Dimensions 16
- VCC-X Controller Input Wiring 20
- Wall-Mounted E-BUS CO 23
- Sensor Wiring 23
- Duct Mounted E-BUS CO 24
- Remote SAT Reset Wiring 29
- Supply Fan VFD Wiring 34
- Economizer Actuator Wiring 35
- Compressors Wiring 38
- Head Pressure Control 39
- Coil Temperature Sensors 39
- VCC-X EM1 40
- Expansion Module 40
- Return Air Bypass Wiring 43
- WARNING!! 44
- , GreenTrol 45
- , and Paragon Wiring 45
- MHGRV-X CONTROLLER WIRING 46
- MHGRV-X Controller Wiring 46
- MODGAS-X Controller Wiring 47
- PREHEAT-X CONTROLLER WIRING 48
- PREHEAT-X Controller Wiring 48
- START-UP & COMMISSIONING 49
- INPUTS & OUTPUTS 50
- RSMV Inputs & Outputs 53
- SEQUENCE OF OPERATIONS 55
- SEQUENCE OF OPERATIONS 56
- Cooling Mode 56
- Trend Logging 69
- VAV/Zone Controller Alarms 69
- TROUBLESHOOTING 71
- RSMV LED Diagnostics 73
- Diagnostic LEDs 73
- System Confi gurations 74
- Stand-Alone System Layout 75
- Modular System 76
- Manager SD 76
- Networked System Layout 77
- Temperature Sensor Testing 78
- OE275-01 Suction Pressure 80
- Transducer Testing for R410A 80
- Refrigerant 80
- Head Pressure Transducer 81
- Troubleshooting 81
- Navigation Keys 82
- Main Screens Map 83
- Settings Screens 83
- Settings Screens 84
- Status Screens 85
- Alarm Screens 86
- Output Override Screens 87
- APPENDIX C - RSMV LCD SCREENS 88
- System Status Screens 89
- Sensor Status Screens 90
- Diagnostic Screens 93
- VCC-X BACnet 96
- Connection To MS/TP Network 96
- VCC-X BACnet 97
- APPENDIX D - VCC-X BACnet 100
- VCC-X BACnet 101
- Parameters 101
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