Manuals / Trane / Kitchen Appliance / Ventilation Hood

Trane ZN.520 Installation and Wiring, Binary inputs typically 24 mA AC, Description, Terminals

Models: Tracer Unit Ventilator ZN.520

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Installation and Wiring

Binary Inputs

Each binary input associates an in- put signal of 0 VAC with open con- tacts and 24 VAC with closed contacts.

Table 3: Binary inputs (typically 24 mA AC)

Description	Terminals	Terminal Function
Binary input 1	J2-1	24 VAC
(BI 1)	J2-1	24 VAC
(BI 1)
	J2-2	Input
Binary input 2	J2-3	24 VAC
(BI 2)	J2-3	24 VAC
(BI 2)
	J2-4	Input
Binary input 3	J2-5	24 VAC
(BI 3)	J2-5	24 VAC
(BI 3)
	J2-6	Input
Binary input 4	J2-7	24 VAC
(BI 4)	J2-7	24 VAC
(BI 4)
	J2-8	Input

UV-SVP01A-EN

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Trane ZN.520 manual Installation and Wiring, Binary inputs typically 24 mA AC, Description, Terminals, Terminal Function

Contents

UV-SVP01A-EN Tracer ZN.520 for Classroom Unit VentilatorInstallation Owner Diagnostics Start-up Procedures Installation of New UnitsStart-up Procedures Power Up SequenceNote Manual output test can be initiated at any time General Information Tracer ZN.520 OverviewTable 1 Tracer ZN.520 Unit Controller features and coil availability TemperatureAdjust General InformationController Circuit Board Features Power Generic Auto Test Button Status LED Communications LEDService Button and LED CommunicationsController Features ServiceTypical Components Test” on page 48, for more infor- mationCommunication Configurations service tool. See “Configuration”Peer-to-Peer Communications Integrated Comfort SystemCommunication Configurations Service toolStand-Alone Communication InterfaceStandard End Devices Table 2 End Device Specifications DeviceCharacteristic DescriptionTable 2 End Device Specifications Device CharacteristicStandard End Devices Outside Air Actuator Face and Bypass Actuator 2-way Control ValveTable 2 End Device Specifications Device CharacteristicStandard End Devices 3-way Control Valve Time clock Zone sensorTable 2 End Device Specifications Device CharacteristicStandard End Devices Humidity Sensor CO 2 Sensor Fan RelayTable 2 End Device Specifications Device CharacteristicStandard End Devices DescriptionInstallation and Wiring SpecificationsInstallation and Wiring Table 3 Binary inputs typically 24 mA ACDescription TerminalsInstallation and Wiring Table 4 Binary outputsDescription TerminalsInstallation and Wiring Table 6 Analog inputsDescription TerminalsInstallation and Wiring MountingFigure 9 Vertical classroom unit ventilator end pocket Installation and WiringFigure 10 Horizontal classroom unit ventilator end pocket Wiring Installation and WiringPower Installation and Wiring Installing the Wall- Mounted Zone Sensor OptionalInstallation and Wiring Humidity and CO2 SensorsFigure 14 Relative humidity sensor Figure 15 CO 2 Sensor UV-SVP01A-ENTypical Wiring Diagram-Wall Mounted Zone Sensor UV-SVP01A-ENTypical Wiring Diagram-Unit Mounted Zone Sensor UV-SVP01A-ENMounted Switch, Wall Mounted Sensor Typical Wiring Diagram-UnitUV-SVP01A-EN Input/Output Summary Input/Output Summarysummary Zone Temperature Setpoint Fan Speed Entering Water Temperature Analog Inputs Discharge Air Temperature Outdoor Air TemperatureInput/Output Summary Table 8 Input and output summaryConfiguration Configurable parametersConfiguration Table 10 Binary output summaryBinary output TB4-1/TB4-2Configuration ConfigurationConfiguration Table 11 Binary input summaryConfiguration Table 13 Fan configuration ranges Fan configurationDefault DefaultConfiguration Table 15 Setpoint defaultsDefault DefaultConfiguration Table 18 Bypass timer range DefaultTable 19 Control wait timer DefaultLocation Identifier Unit Identification TagUnit Operation Heating And Cooling Changeover Logic4 = Night Purge air changeover not supported Unit OperationFigure 17 “Heat/Cool Changeover logic” Cooling Operation Heating OperationFan Operation Unit OperationValve Operation Face-and-Bypass Damper OperationUnit Operation Exhaust fan/damper operationModulating Outdoor Air Operation Entering Water Temperature SamplingUnit Operation Economizer Operation DX OperationElectric Heat Operation Baseboard Heat OperationFilter Status/ Maintenance Timer Output OverridesFan Status Other ModesData Sharing-LonWorks Unit OperationFigure 24 “More complex data sharing application” Figure 24 More complex data sharing application Unit OperationUV-SVP01A-EN Unit Operation Heating And Cooling Changeover LogicUnit Operation Figure 17 “Heat/Cool Changeover logic”Unit Operation Cooling OperationHeating Operation Fan OperationValve Operation Unit OperationFace-and-Bypass Damper Operation Unit Operation Entering Water Temperature SamplingModulating Outdoor Air Operation Unit Operation Economizer OperationDX Operation Electric Heat OperationFilter Status/ Maintenance Timer Unit OperationOutput Overrides Fan StatusData Sharing-LonWorks Unit OperationFigure 24 “More complex data sharing application” Figure 24 More complex data sharing application Unit OperationUV-SVP01A-EN Led Operation TroubleshootingManual Output Test Troubleshooting Table 26 Test sequence for non face-and-bypass unit configurationsDX, or cool or Face-andTroubleshooting Table 27 Test sequence for face-and-bypass unit configurationsDX, or cool or heat Face-andSafeties TroubleshootingDiagnostics TroubleshootingTable 28 Tracer ZN.520 Unit Controller diagnostics DiagnosticTroubleshooting Table 28 Tracer ZN.520 Unit Controller diagnosticsDiagnostic ResetTranslating Multiple Diagnostics Resetting DiagnosticsTroubleshooting Cycling powerTroubleshooting Questionable unit operationFans Troubleshooting Table 30 Valves stay closedProbable cause Possible ExplanationTroubleshooting Table 31 Valves stay openProbable cause Possible ExplanationTroubleshooting Table 33 Outdoor air damper stays closedProbable cause ExplanationTracer ZN.520 Unit Controller Replacement Replacing Circuit BoardsHardwired Setpoint Adjustment Fan Switch Resistance ValuesHardwired Thermistor Values AppendixAppendix-Binary Configuration Binary ConfigurationTable 38 Binary configuration details ConfigurationAppendix-Unit Operation Unit Operation Based On The Effective HEAT/COOL OutputTable 39 Unit operation based on the effective heat/cool output Application mode input nviApplicModeAppendix-Unit Operation cont Table 39 Unit operation based on the effective heat/cool outputApplication mode input Heat/cool mode inputAppendix-Data Lists Data ListsTable 41 Configuration properties1 Configuration propertySetting the Time Clock Appendix-TimeclockReview and Change Programs Appendix-TimeclockOverride Program Manual Operation To switch the load permanently OFF, press the key a third time Appendix-TimeclockO appears in the display. To return to automatic pro UV-SVP01A-ENThis area provided for the removable tag Appendix-Location IdentifierUV-SVP01A-EN Location Identifier UV-SVP01A-ENLocation Identifier UV-SVP01A-ENLocation Identifier UV-SVP01A-ENThe Trane Company Literature Order NumberUV-SVP01A-EN File Number

Table 3: Binary inputs (typically 24 mA AC)

Terminals

Terminal Function