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Ventilation Hood
Trane
ZN.520, Tracer Unit Ventilator
manual
Appendix-Location Identifier
Models:
Tracer Unit Ventilator
ZN.520
1
74
78
78
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78 pages
280 b
71
72
73
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78
Troubleshooting
Specifications
Install
Typical Wiring Diagram-Unit
Default
Occupied Bypass Timer
Wiring
Maintenance
Communication Configurations
Diagnostics
Page 74
Image 74
Appendix—Location
Identifier
This area provided for the removable tag.
68
UV-SVP01A-EN
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Image 74
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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 Features
Service
Integrated Comfort System
Communication Configurations
Peer-to-Peer Communications
Interoperability
Stand-Alone
Communication Interface
Standard End Devices
End Device Specifications
Characteristic
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
Configuration
Configurable parameters
Heating source
Binary Outputs1
Analog Inputs1
Binary input summary Configuration
Binary Inputs1
Analog input summary
Fan configuration ranges
Fan Configuration
End Device Configurations
Default
Setpoints
Setpoint defaults Default Valid range
Discharge air limit ranges Default Valid range
Discharge Air Limits
Maintenance Timers
Occupied Bypass Timer
Power-Up Control Wait
Winking
Location Identifier
Unit Identification Tag
Heating And Cooling Changeover Logic
Power-Up
Unit Operation
Occupancy
Heat/Cool Changeover logic
Heating Operation
Fan Off Delay
Cooling Operation
Fan Operation
Exhaust fan/damper operation
Valve Operation
Face-and-Bypass Damper Operation
Modulating Valves
Unit Configuration
Entering Water Temperature Sampling
Water assumption chart
Temperature Assumed1
Electric Heat Operation
Economizer Operation
DX Operation
Baseboard Heat Operation
Fan Status
Filter Status/ Maintenance Timer
Output 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
Troubleshooting
Red Service LED
Yellow Comm LED
Test Procedure
Exit6
Troubleshooting
Discharge Air Temperature Limit
Space Temperature Failure
Entering Water Temperature Failure
Outdoor Air Temperature Failure
Diagnostics
Troubleshooting
Translating Multiple Diagnostics
Rover service tool
Fans
Valves stay open Probable cause Possible Explanation
Valves
Valves stay closed Probable cause Possible Explanation
Outdoor air damper stays closed Probable cause Explanation
DX/Electric Heat
Outside Air Damper
Outdoor air damper stays open
Probable Cause Explanation
Tracer ZN.520 Unit Controller Replacement
Replacing Circuit Boards
Hardwired Thermistor Values
Hardwired Setpoint Adjustment
Fan Switch Resistance Values
Appendix
Binary configuration details Binary input or output
Appendix-Binary Configuration
Binary Configuration
Function
Appendix-Unit Operation
Heat/cool mode input NviHeatCool
Effective heat/ cool mode output nvoHeatCool
Unit Operation Based On The Effective HEAT/COOL Output
Appendix-Unit Operation
Data Lists
Configuration properties1
Appendix-Data Lists
Input/output listing1
Set the Time and Day
Setting the Time Clock
Appendix-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
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