Trane Tracer Unit Ventilator, ZN.520 manual Location Identifier, Unit Identification Tag, Winking

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Location Identifier

Unit Identification Tag

The unit identification tag is factory mounted and provided for easy identification of an installed unit. It contains model number, tagging, and location information.

The top portion of the unit identifi- cation tag remains permanently af- fixed to the unit for identification purposes. The bottom portion of the tag provides pertinent informa- tion that is removable to be placed on building plans or in “Appen- dix—Location Identifier” on page68. This provides identifica- tion history about the unit’s loca- tion for quick reference.

These tags provide information about

q unit serial number;

q NID (neuron identification

number)—The NID is similar to

the serial number of the unit

but is specific to the

identification of the Tracer

ZN.520 unit controller circuit

board; and

q unit location—The location

identification is a customer

defined, clear English

description, of the unit’s

physical location. This is a 27

character description, including

Note: Fold and tear carefully along dashed removable line.

spaces, of the location. For

example, if the location

identification for a unit is

“Conference Room 101”, the

ZN.520, Rover (the Trane

Comm 5 service tool), and

Tracer Summit, will recognize

this clear English description.

If location identification is not de- fined, it will default to the unit seri- al number. This unit identification tag provides some information so the user has multiple references to the unit. The blank location is pro- vided for field modification in case the unit is moved from the initial location.

Figure 16: Unit identification tag

Winking

Winking a device causes the green status LED on the device selected to blink at a rate of twice per sec- ond for approximately 10 seconds. This feature is useful when a dis- crepancy in device location exists. As part of the troubleshooting pro- cess, one person can WINK the de- vice while another can observe the blinking and verify the device’s physical location.

Important! If the status LED on the ZN.520 does not blink, the device may not be communicating or it may not be the device you selected according to the stored address.

A Tracer ZN.520 unit controller may be set to wink by

qholding the ON button on the zone sensor for 5 seconds

qusing Rover, Trane’s communication service tool

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Contents Tracer ZN.520 for Classroom Unit Ventilator Installation Owner DiagnosticsInstallation of New Units Start-up ProceduresPower Up Sequence Tracer ZN.520 Overview General InformationGeneral Information Tracer ZN.520 unit controller circuit board Controller Circuit Board FeaturesTypical Components Controller FeaturesService Integrated Comfort System Communication ConfigurationsPeer-to-Peer Communications Interoperability Stand-AloneCommunication Interface Description End Device SpecificationsCharacteristic Standard End DevicesStandard End Devices Way Control Valve Time clock Zone sensor Dpdt Control Transformer Specifications Installation and WiringBinary Inputs Generic/baseboard Heat Binary Output Binary OutputsAnalog inputs Analog InputsMounting Vertical classroom unit ventilator end pocket Power WiringProper zone sensor placement Installing the Wall- Mounted Zone Sensor OptionalHumidity and CO2 Sensors Typical Wiring Diagram-Wall Mounted Zone Sensor Typical Wiring Diagram-Unit Mounted Zone Sensor Typical Wiring Diagram-Unit Input and output summary Input/Output SummaryInput/Output Summary Heating source ConfigurationConfigurable parameters Cooling sourceBinary Outputs1 Analog input summary Binary input summary ConfigurationBinary Inputs1 Analog Inputs1Default Fan ConfigurationEnd Device Configurations Fan configuration rangesDischarge Air Limits Setpoint defaults Default Valid rangeDischarge air limit ranges Default Valid range SetpointsMaintenance Timers Occupied Bypass TimerPower-Up Control Wait Winking Location IdentifierUnit Identification Tag Occupancy Power-UpUnit Operation Heating And Cooling Changeover LogicHeat/Cool Changeover logic Fan Operation Fan Off DelayCooling Operation Heating OperationModulating Valves Valve OperationFace-and-Bypass Damper Operation Exhaust fan/damper operationTemperature Assumed1 Entering Water Temperature SamplingWater assumption chart Unit ConfigurationBaseboard Heat Operation Economizer OperationDX Operation Electric Heat OperationOther Modes Filter Status/ Maintenance TimerOutput Overrides Fan StatusSimple data sharing application Data Sharing-LonWorksMore complex data sharing application Heating And Cooling Changeover Logic Heat/Cool Changeover logic Cooling Operation Valve Operation Entering Water Temperature Sampling Economizer Operation Output Overrides Data Sharing-LonWorks More complex data sharing application Yellow Comm LED TroubleshootingRed Service LED Black Service Push ButtonExit6 Test ProcedureTroubleshooting Outdoor Air Temperature Failure Space Temperature FailureEntering Water Temperature Failure Discharge Air Temperature LimitDiagnostics Troubleshooting Translating Multiple Diagnostics Fans Rover service toolValves stay open Probable cause Possible Explanation ValvesValves stay closed Probable cause Possible Explanation Outdoor air damper stays closed Probable cause Explanation DX/Electric HeatOutside Air Damper Probable Cause Explanation Outdoor air damper stays openReplacing Circuit Boards Tracer ZN.520 Unit Controller ReplacementAppendix Hardwired Setpoint AdjustmentFan Switch Resistance Values Hardwired Thermistor ValuesFunction Appendix-Binary ConfigurationBinary Configuration Binary configuration details Binary input or outputUnit Operation Based On The Effective HEAT/COOL Output Heat/cool mode input NviHeatCoolEffective heat/ cool mode output nvoHeatCool Appendix-Unit OperationAppendix-Unit Operation Input/output listing1 Configuration properties1Appendix-Data Lists Data ListsSet the Program Setting the Time ClockAppendix-Timeclock Set the Time and DayOverride Program Manual Operation Review and Change ProgramsAppendix-Timeclock Appendix-Location Identifier Location Identifier Location Identifier Location Identifier Trane Company