TEC Zoning Control System for Stand-Alone and BACnet® MS/TP ...

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Monitoring Inputs BI2 and UI3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15TEC2647Z-2 and TEC2647Z-2+PIR Zone Controller Operation and Strategy. . . . . . . . 21PIR Onboard Occupancy Sensor (TEC2647Z-2+PIR Model) . . . . . . . . . . . . . . . . . . . . . . . 22Demand-Based Heating and Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Overrides and Zone Controller User Interface Lockouts . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Zone Setpoint Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Heating and Cooling Weight Zone Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Minimum, Maximum, and Heat Flow Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Minimum Position Adjustment (Min Pos Parameter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Maximum Position Adjustment (Max Pos Parameter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Maximum Heat Flow Adjustment (MaxHTPos Parameter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Balancing the Minimum, Maximum, and Heat Flow Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Terminal Reheat Lockout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Configuring the TEC2664Z-2 Rooftop Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Configuring Input DI1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32TEC2664Z-2 Rooftop Controller Operation and Strategy. . . . . . . . . . . . . . . . . . . . . . . . 36Data Exchange between the Rooftop Controller and the Zones . . . . . . . . . . . . . . . . . . . . . 36Occupancy and Overrides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Rooftop Controller User Interface Lockouts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Rooftop Controller Heating and Cooling Supply Air Temperature Lockouts . . . . . . . . . . . . 38Rooftop Controller Heating and Cooling Outside Air Temperature Lockouts . . . . . . . . . . . 39Seasonal Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Bypass Damper Control and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42TEC2647Z-2 and TEC2647Z-2+PIR Zone Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42PIR Occupancy Sensor Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42PIR Occupancy Sensor Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43TEC2664Z-2 Rooftop Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43TEC2664Z-2 Rooftop Controller Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Main User Menu Access Modifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Sequence of Auto Status Display Scrolling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 502TEC Zoning Control System for Stand-Alone and BACnet® MS/TP Networked ApplicationsTechnical Bulletin
Sequence of Manual Status Display Scrolling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53System Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Proper Commissioning of the Zone Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Proper Commissioning of the Rooftop Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55System Operation Checklists. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56MS/TP Bus Objects When Networked with a Supervisory Controller. . . . . . . . . . . 59TEC2647Z-2 and TEC2647Z-2+PIR Zone Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . 59TEC2664Z-2 Rooftop Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62MS/TP Device Mapping into an NAE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65Adding a Zone Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66Adding a Rooftop Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67Adding Point Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68Notes, Tips, and Things to Know . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68Multiple 24 VAC Zone Controller Transformers versus a Single 24 VAC Zone ControllerTransformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68Critical Point Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69Balancing and Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69Occupancy Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69Occupancy Schedule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70NAE Engineering View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70Troubleshooting a TEC Zoning Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . 70TEC Zoning Control System for Stand-Alone and BACnet® MS/TP Networked ApplicationsTechnical Bulletin3
Page 1: TEC Zoning Control System for Stand
Page 5 and 6: TEC Zoning Control System for Stand
Page 7 and 8: Figure 1 illustrates a typical TEC
Page 9 and 10: Example: A typical installation may
Page 11 and 12: Bypass Damper Design RulesA bypass
Page 13 and 14: The zone controller automatically s
Page 15 and 16: Main User MenuUse the Main User Men
Page 17 and 18: Table 2: TEC2647Z-2 and TEC2647Z-2+
Page 23 and 24: Table 3: System Mode Calculation wi
Page 25 and 26: Table 6: Lockout Level Function Det
Page 27 and 28: - It is possible for an internal zo
Page 29 and 30: Table 9: Maximum Heat Flow Adjustme
Page 31 and 32: Note that 0 to 100% is directly con
Page 33 and 34: Table 12: TEC2664Z-2 Rooftop Contro
Page 35 and 36: Table 12: TEC2664Z-2 Rooftop Contro
Page 37 and 38: The rooftop controller calculates t
Page 39 and 40: Rooftop Controller Heating and Cool
Page 41 and 42: Typically, the number of rooftop co
Page 43 and 44: PIR Occupancy Sensor LogicThe PIR o
Page 45 and 46: AO2HeatingSetpointCoolingSetpointAO
Page 47 and 48: HeatingSetpointCoolingSetpointB05AO
Page 49 and 50: The system mode can be set to eithe
Page 51 and 52: 1. The outdoor temperature displays
Page 53 and 54:
FIG:byps_dmprSequence of OperationF
Page 55 and 56:
• Properly set the Min Pos, Max P
Page 57 and 58:
Table 19: Rooftop Controller Commis
Page 59 and 60:
Table 22: Zone Controller Number (
Page 61 and 62:
Table 23: TEC2647Z-2 and TEC2647Z-2
Page 63 and 64:
Table 24: TEC2664Z-2 Rooftop Contro
Page 65:
Table 24: TEC2664Z-2 Rooftop Contro
Page 69 and 70:
• Ground the circuit if required.
Page 71 and 72:
Table 25: Troubleshooting Details 1
Page 73 and 74:
Table 25: Troubleshooting Details 1
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