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Tracer Unit Ventilator, ZN.520 manual Location Identifier, UV-SVP01A-EN
Models:
Tracer Unit Ventilator
ZN.520
1
75
78
78
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78 pages
280 b
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Troubleshooting
Specification
Characteristic
Install
Typical Wiring Diagram-Wall Mounted Zone Sensor
Tracer ZN.520 Unit Controller Replacement
Maintenance
Communication Configurations
Wiring
Reset
Page 75
Image 75
Location Identifier
UV-SVP01A-EN
69
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Image 75
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Contents
Tracer ZN.520 for Classroom Unit Ventilator
UV-SVP01A-EN
Installation Owner Diagnostics
Installation of New Units
Start-up Procedures
Power Up Sequence
Start-up Procedures
Note Manual output test can be initiated at any time
Tracer ZN.520 Overview
General Information
General Information
Table 1 Tracer ZN.520 Unit Controller features and coil availability
Temperature
Adjust
Communications
Controller Circuit Board Features
Power Generic Auto Test Button Status LED Communications LED
Service Button and LED
Test” on page 48, for more infor- mation
Controller Features
Service
Typical Components
Integrated Comfort System
Communication Configurations
service tool. See “Configuration”
Peer-to-Peer Communications
Communication Interface
Communication Configurations
Service tool
Stand-Alone
Description
Standard End Devices
Table 2 End Device Specifications Device
Characteristic
Outside Air Actuator Face and Bypass Actuator 2-way Control Valve
Table 2 End Device Specifications Device
Characteristic
Standard End Devices
3-way Control Valve Time clock Zone sensor
Table 2 End Device Specifications Device
Characteristic
Standard End Devices
Humidity Sensor CO 2 Sensor Fan Relay
Table 2 End Device Specifications Device
Characteristic
Standard End Devices
Description
Table 2 End Device Specifications Device
Characteristic
Standard End Devices
Specifications
Installation and Wiring
Terminals
Installation and Wiring
Table 3 Binary inputs typically 24 mA AC
Description
Terminals
Installation and Wiring
Table 4 Binary outputs
Description
Terminals
Installation and Wiring
Table 6 Analog inputs
Description
Mounting
Installation and Wiring
Installation and Wiring
Figure 9 Vertical classroom unit ventilator end pocket
Figure 10 Horizontal classroom unit ventilator end pocket
Installation and Wiring
Wiring
Power
Installing the Wall- Mounted Zone Sensor Optional
Installation and Wiring
UV-SVP01A-EN
Installation and Wiring
Humidity and CO2 Sensors
Figure 14 Relative humidity sensor Figure 15 CO 2 Sensor
UV-SVP01A-EN
Typical Wiring Diagram-Wall Mounted Zone Sensor
UV-SVP01A-EN
Typical Wiring Diagram-Unit Mounted Zone Sensor
Typical Wiring Diagram-Unit
Mounted Switch, Wall Mounted Sensor
UV-SVP01A-EN
Input/Output Summary
Input/Output Summary
summary
Table 8 Input and output summary
Zone Temperature Setpoint Fan Speed Entering Water Temperature
Analog Inputs Discharge Air Temperature Outdoor Air Temperature
Input/Output Summary
Configurable parameters
Configuration
TB4-1/TB4-2
Configuration
Table 10 Binary output summary
Binary output
Table 11 Binary input summary
Configuration
Configuration
Configuration
Default
Configuration
Table 13 Fan configuration ranges Fan configuration
Default
Default
Configuration
Table 15 Setpoint defaults
Default
Default
Configuration
Table 18 Bypass timer range Default
Table 19 Control wait timer
Unit Identification Tag
Location Identifier
Heating And Cooling Changeover Logic
Unit Operation
Unit Operation
4 = Night Purge air changeover not supported
Figure 17 “Heat/Cool Changeover logic”
Unit Operation
Cooling Operation
Heating Operation
Fan Operation
Exhaust fan/damper operation
Valve Operation
Face-and-Bypass Damper Operation
Unit Operation
Entering Water Temperature Sampling
Modulating Outdoor Air Operation
Unit Operation
Baseboard Heat Operation
Economizer Operation
DX Operation
Electric Heat Operation
Other Modes
Filter Status/ Maintenance Timer
Output Overrides
Fan Status
Unit Operation
Data Sharing-LonWorks
Figure 24 “More complex data sharing application”
Unit Operation
Figure 24 More complex data sharing application
UV-SVP01A-EN
Heating And Cooling Changeover Logic
Unit Operation
Figure 17 “Heat/Cool Changeover logic”
Unit Operation
Fan Operation
Unit Operation
Cooling Operation
Heating Operation
Unit Operation
Valve Operation
Face-and-Bypass Damper Operation
Entering Water Temperature Sampling
Unit Operation
Modulating Outdoor Air Operation
Electric Heat Operation
Unit Operation
Economizer Operation
DX Operation
Fan Status
Filter Status/ Maintenance Timer
Unit Operation
Output Overrides
Unit Operation
Data Sharing-LonWorks
Figure 24 “More complex data sharing application”
Unit Operation
Figure 24 More complex data sharing application
UV-SVP01A-EN
Troubleshooting
Led Operation
Manual Output Test
Face-and
Troubleshooting
Table 26 Test sequence for non face-and-bypass unit configurations
DX, or cool or
Face-and
Troubleshooting
Table 27 Test sequence for face-and-bypass unit configurations
DX, or cool or heat
Troubleshooting
Safeties
Diagnostic
Diagnostics
Troubleshooting
Table 28 Tracer ZN.520 Unit Controller diagnostics
Reset
Troubleshooting
Table 28 Tracer ZN.520 Unit Controller diagnostics
Diagnostic
Cycling power
Translating Multiple Diagnostics
Resetting Diagnostics
Troubleshooting
Questionable unit operation
Troubleshooting
Fans
Possible Explanation
Troubleshooting
Table 30 Valves stay closed
Probable cause
Possible Explanation
Troubleshooting
Table 31 Valves stay open
Probable cause
Explanation
Troubleshooting
Table 33 Outdoor air damper stays closed
Probable cause
Replacing Circuit Boards
Tracer ZN.520 Unit Controller Replacement
Appendix
Hardwired Setpoint Adjustment
Fan Switch Resistance Values
Hardwired Thermistor Values
Configuration
Appendix-Binary Configuration
Binary Configuration
Table 38 Binary configuration details
Application mode input nviApplicMode
Appendix-Unit Operation
Unit Operation Based On The Effective HEAT/COOL Output
Table 39 Unit operation based on the effective heat/cool output
Heat/cool mode input
Appendix-Unit Operation cont
Table 39 Unit operation based on the effective heat/cool output
Application mode input
Configuration property
Appendix-Data Lists
Data Lists
Table 41 Configuration properties1
Appendix-Timeclock
Setting the Time Clock
Appendix-Timeclock
Review and Change Programs
Override Program Manual Operation
UV-SVP01A-EN
To switch the load permanently OFF, press the key a third time
Appendix-Timeclock
O appears in the display. To return to automatic pro
Appendix-Location Identifier
This area provided for the removable tag
UV-SVP01A-EN
UV-SVP01A-EN
Location Identifier
UV-SVP01A-EN
Location Identifier
UV-SVP01A-EN
Location Identifier
File Number
The Trane Company
Literature Order Number
UV-SVP01A-EN