Control Transformer | Trane ZN.520, Tracer Unit Ventilator guide

Standard End Devices

Table 2: End Device Specifications

Device

Control Transformer

Characteristic

Type

Primary Voltage

Secondary voltage

Description

N.E.C. Class 2

120 vac

24 vac at 90 va Manual reset

4amp fuse in 24-volt circuit

UV-SVP01A-EN

17

Image 14

Trane ZN.520, Tracer Unit Ventilator manual Control Transformer

Contents

Installation Owner Diagnostics Tracer ZN.520 for Classroom Unit Ventilator Start-up Procedures Installation of New Units Power Up Sequence General Information Tracer ZN.520 Overview General Information Controller Circuit Board Features Tracer ZN.520 unit controller circuit board Typical Components Controller FeaturesService Integrated Comfort System Communication ConfigurationsPeer-to-Peer Communications Interoperability Stand-AloneCommunication Interface Standard End Devices End Device SpecificationsCharacteristic Description Standard End Devices Way Control Valve Time clock Zone sensor Dpdt Control Transformer Installation and Wiring Specifications Binary Inputs Binary Outputs Generic/baseboard Heat Binary Output Analog Inputs Analog inputs Mounting Vertical classroom unit ventilator end pocket Wiring Power Installing the Wall- Mounted Zone Sensor Optional Proper zone sensor placement Humidity and CO2 Sensors Typical Wiring Diagram-Wall Mounted Zone Sensor Typical Wiring Diagram-Unit Mounted Zone Sensor Typical Wiring Diagram-Unit Input/Output Summary Input and output summary Input/Output Summary Cooling source ConfigurationConfigurable parameters Heating source Binary Outputs1 Analog Inputs1 Binary input summary ConfigurationBinary Inputs1 Analog input summary Fan configuration ranges Fan ConfigurationEnd Device Configurations Default Setpoints Setpoint defaults Default Valid rangeDischarge air limit ranges Default Valid range Discharge Air Limits Maintenance Timers Occupied Bypass TimerPower-Up Control Wait Winking Location IdentifierUnit Identification Tag Heating And Cooling Changeover Logic Power-UpUnit Operation Occupancy Heat/Cool Changeover logic Heating Operation Fan Off DelayCooling Operation Fan Operation Exhaust fan/damper operation Valve OperationFace-and-Bypass Damper Operation Modulating Valves Unit Configuration Entering Water Temperature SamplingWater assumption chart Temperature Assumed1 Electric Heat Operation Economizer OperationDX Operation Baseboard Heat Operation Fan Status Filter Status/ Maintenance TimerOutput Overrides Other Modes Data Sharing-LonWorks Simple data sharing application More 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 Black Service Push Button TroubleshootingRed Service LED Yellow Comm LED Test Procedure Exit6 Troubleshooting Discharge Air Temperature Limit Space Temperature FailureEntering Water Temperature Failure Outdoor Air Temperature Failure Diagnostics Troubleshooting Translating Multiple Diagnostics Rover service tool Fans Valves 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 Outdoor air damper stays open Probable Cause Explanation Tracer ZN.520 Unit Controller Replacement Replacing Circuit Boards Hardwired Thermistor Values Hardwired Setpoint AdjustmentFan Switch Resistance Values Appendix Binary configuration details Binary input or output Appendix-Binary ConfigurationBinary Configuration Function Appendix-Unit Operation Heat/cool mode input NviHeatCoolEffective heat/ cool mode output nvoHeatCool Unit Operation Based On The Effective HEAT/COOL Output Appendix-Unit Operation Data Lists Configuration properties1Appendix-Data Lists Input/output listing1 Set the Time and Day Setting the Time ClockAppendix-Timeclock Set the Program Review and Change Programs Override Program Manual Operation Appendix-Timeclock Appendix-Location Identifier Location Identifier Location Identifier Location Identifier Trane Company