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Trane Tracer Unit Ventilator Appendix-Unit Operation cont, Application mode input, mode output

Models: Tracer Unit Ventilator ZN.520

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Appendix—Unit Operation cont.

Table 39: Unit operation based on the effective heat/cool output

Application mode input	Heat/cool mode input	Effective heat/ cool
Application mode input	Heat/cool mode input	mode output
(nviApplicMode)	(nviHeatCool)	mode output
(nviApplicMode)	(nviHeatCool)	(nvoHeatCool)
		(nvoHeatCool)
Cool	Any state	Cool
Pre-cool	Any state	Pre-cool
Off	Any state	Off
Test	Any state	Determined by controller
Fan only	Any state	Fan only

Unit Operation

Fan—Enabled

Heating—Disabled1

Cooling—Enabled

Damper

Fan—Enabled

Heating—Disabled1

Cooling—Enabled

Damper—Disabled

Fan—Disabled

Heating—Disabled

Cooling—Disabled

Damper—Disabled

Fan—Enabled

Heating—Enabled

Cooling—Enabled

Damper—Enabled

Fan—Enabled

Heating—Disabled

Cooling—Disabled

Damper—Enabled

1.Use of heat for supply air tempering and dehumidification remains available.

2.Night purge, Emergency heat, and Nul modes are not supported by the Tracer™ ZN.520 Unit Controller. If one of these modes is received by the controller, it is interpreted as Auto.

UV-SVP01A-EN

Page 69

Image 69

Trane Tracer Unit Ventilator, ZN.520 Appendix-Unit Operation cont, Unit operation based on the effective heat/cool output

Contents

Tracer ZN.520 for Classroom Unit Ventilator UV-SVP01A-ENInstallation Owner Diagnostics Installation of New Units Start-up ProceduresPower Up Sequence Start-up ProceduresNote Manual output test can be initiated at any time Tracer ZN.520 Overview General InformationTemperature Table 1 Tracer ZN.520 Unit Controller features and coil availabilityAdjust General InformationPower Generic Auto Test Button Status LED Communications LED Controller Circuit Board FeaturesService Button and LED CommunicationsService Controller FeaturesTypical Components Test” on page 48, for more infor- mationservice tool. See “Configuration” Communication ConfigurationsPeer-to-Peer Communications Integrated Comfort SystemService tool Communication ConfigurationsStand-Alone Communication InterfaceTable 2 End Device Specifications Device Standard End DevicesCharacteristic DescriptionCharacteristic Table 2 End Device Specifications DeviceStandard End Devices Outside Air Actuator Face and Bypass Actuator 2-way Control ValveCharacteristic Table 2 End Device Specifications DeviceStandard End Devices 3-way Control Valve Time clock Zone sensorCharacteristic Table 2 End Device Specifications DeviceStandard End Devices Humidity Sensor CO 2 Sensor Fan RelayCharacteristic Table 2 End Device Specifications DeviceStandard End Devices DescriptionSpecifications Installation and WiringTable 3 Binary inputs typically 24 mA AC Installation and WiringDescription TerminalsTable 4 Binary outputs Installation and WiringDescription TerminalsTable 6 Analog inputs Installation and WiringDescription TerminalsMounting Installation and WiringInstallation and Wiring Figure 9 Vertical classroom unit ventilator end pocketFigure 10 Horizontal classroom unit ventilator end pocket Installation and Wiring WiringPower Installing the Wall- Mounted Zone Sensor Optional Installation and WiringHumidity and CO2 Sensors Installation and WiringFigure 14 Relative humidity sensor Figure 15 CO 2 Sensor UV-SVP01A-ENUV-SVP01A-EN Typical Wiring Diagram-Wall Mounted Zone SensorUV-SVP01A-EN Typical Wiring Diagram-Unit Mounted Zone SensorTypical Wiring Diagram-Unit Mounted Switch, Wall Mounted SensorUV-SVP01A-EN Input/Output Summary Input/Output Summarysummary Analog Inputs Discharge Air Temperature Outdoor Air Temperature Zone Temperature Setpoint Fan Speed Entering Water TemperatureInput/Output Summary Table 8 Input and output summaryConfigurable parameters ConfigurationTable 10 Binary output summary ConfigurationBinary output TB4-1/TB4-2Configuration ConfigurationConfiguration Table 11 Binary input summaryTable 13 Fan configuration ranges Fan configuration ConfigurationDefault DefaultTable 15 Setpoint defaults ConfigurationDefault DefaultTable 18 Bypass timer range Default ConfigurationTable 19 Control wait timer DefaultUnit Identification Tag Location IdentifierHeating And Cooling Changeover Logic Unit OperationUnit Operation 4 = Night Purge air changeover not supportedFigure 17 “Heat/Cool Changeover logic” Heating Operation Cooling OperationFan Operation Unit OperationFace-and-Bypass Damper Operation Valve OperationUnit Operation Exhaust fan/damper operationEntering Water Temperature Sampling Modulating Outdoor Air OperationUnit Operation DX Operation Economizer OperationElectric Heat Operation Baseboard Heat OperationOutput Overrides Filter Status/ Maintenance TimerFan Status Other ModesUnit Operation Data Sharing-LonWorksFigure 24 “More complex data sharing application” Unit Operation Figure 24 More complex data sharing applicationUV-SVP01A-EN Heating And Cooling Changeover Logic Unit OperationFigure 17 “Heat/Cool Changeover logic” Unit OperationCooling Operation Unit OperationHeating Operation Fan OperationUnit Operation Valve OperationFace-and-Bypass Damper Operation Entering Water Temperature Sampling Unit OperationModulating Outdoor Air Operation Economizer Operation Unit OperationDX Operation Electric Heat OperationUnit Operation Filter Status/ Maintenance TimerOutput Overrides Fan StatusUnit Operation Data Sharing-LonWorksFigure 24 “More complex data sharing application” Unit Operation Figure 24 More complex data sharing applicationUV-SVP01A-EN Troubleshooting Led OperationManual Output Test Table 26 Test sequence for non face-and-bypass unit configurations TroubleshootingDX, or cool or Face-andTable 27 Test sequence for face-and-bypass unit configurations TroubleshootingDX, or cool or heat Face-andTroubleshooting SafetiesTroubleshooting DiagnosticsTable 28 Tracer ZN.520 Unit Controller diagnostics DiagnosticTable 28 Tracer ZN.520 Unit Controller diagnostics TroubleshootingDiagnostic ResetResetting Diagnostics Translating Multiple DiagnosticsTroubleshooting Cycling powerQuestionable unit operation TroubleshootingFans Table 30 Valves stay closed TroubleshootingProbable cause Possible ExplanationTable 31 Valves stay open TroubleshootingProbable cause Possible ExplanationTable 33 Outdoor air damper stays closed TroubleshootingProbable cause ExplanationReplacing Circuit Boards Tracer ZN.520 Unit Controller ReplacementFan Switch Resistance Values Hardwired Setpoint AdjustmentHardwired Thermistor Values AppendixBinary Configuration Appendix-Binary ConfigurationTable 38 Binary configuration details ConfigurationUnit Operation Based On The Effective HEAT/COOL Output Appendix-Unit OperationTable 39 Unit operation based on the effective heat/cool output Application mode input nviApplicModeTable 39 Unit operation based on the effective heat/cool output Appendix-Unit Operation contApplication mode input Heat/cool mode inputData Lists Appendix-Data ListsTable 41 Configuration properties1 Configuration propertyAppendix-Timeclock Setting the Time ClockAppendix-Timeclock Review and Change ProgramsOverride Program Manual Operation Appendix-Timeclock To switch the load permanently OFF, press the key a third timeO appears in the display. To return to automatic pro UV-SVP01A-ENAppendix-Location Identifier This area provided for the removable tagUV-SVP01A-EN UV-SVP01A-EN Location IdentifierUV-SVP01A-EN Location IdentifierUV-SVP01A-EN Location IdentifierLiterature Order Number The Trane CompanyUV-SVP01A-EN File Number

Appendix—Unit Operation cont.

Application mode input

Heat/cool mode input

Effective heat/ cool

mode output

(nviApplicMode)

(nviHeatCool)

(nvoHeatCool)