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Tracer Unit Ventilator manual Typical Wiring Diagram-Unit Mounted Zone Sensor, UV-SVP01A-EN
Models:
Tracer Unit Ventilator
ZN.520
1
25
78
78
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78 pages
280 b
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Troubleshooting
Specs
Characteristic
Install
Typical Wiring Diagram-Wall Mounted Zone Sensor
Tracer ZN.520 Unit Controller Replacement
Maintenance
Communication Configurations
Wiring
Reset
Page 25
Image 25
Typical Wiring
Diagram—Unit
Mounted Zone Sensor
28
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Page 24
Page 26
Page 25
Image 25
Page 24
Page 26
Contents
UV-SVP01A-EN
Tracer ZN.520 for Classroom Unit Ventilator
Installation Owner Diagnostics
Installation of New Units
Start-up Procedures
Start-up Procedures
Power Up Sequence
Note Manual output test can be initiated at any time
Tracer ZN.520 Overview
General Information
Temperature
Table 1 Tracer ZN.520 Unit Controller features and coil availability
Adjust
General Information
Power Generic Auto Test Button Status LED Communications LED
Controller Circuit Board Features
Service Button and LED
Communications
Service
Controller Features
Typical Components
Test” on page 48, for more infor- mation
service tool. See “Configuration”
Communication Configurations
Peer-to-Peer Communications
Integrated Comfort System
Service tool
Communication Configurations
Stand-Alone
Communication Interface
Table 2 End Device Specifications Device
Standard End Devices
Characteristic
Description
Characteristic
Table 2 End Device Specifications Device
Standard End Devices
Outside Air Actuator Face and Bypass Actuator 2-way Control Valve
Characteristic
Table 2 End Device Specifications Device
Standard End Devices
3-way Control Valve Time clock Zone sensor
Characteristic
Table 2 End Device Specifications Device
Standard End Devices
Humidity Sensor CO 2 Sensor Fan Relay
Characteristic
Table 2 End Device Specifications Device
Standard End Devices
Description
Specifications
Installation and Wiring
Table 3 Binary inputs typically 24 mA AC
Installation and Wiring
Description
Terminals
Table 4 Binary outputs
Installation and Wiring
Description
Terminals
Table 6 Analog inputs
Installation and Wiring
Description
Terminals
Mounting
Installation and Wiring
Figure 9 Vertical classroom unit ventilator end pocket
Installation and Wiring
Figure 10 Horizontal classroom unit ventilator end pocket
Wiring
Installation and Wiring
Power
Installing the Wall- Mounted Zone Sensor Optional
Installation and Wiring
Humidity and CO2 Sensors
Installation and Wiring
Figure 14 Relative humidity sensor Figure 15 CO 2 Sensor
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Typical Wiring Diagram-Wall Mounted Zone Sensor
UV-SVP01A-EN
Typical Wiring Diagram-Unit Mounted Zone Sensor
Mounted Switch, Wall Mounted Sensor
Typical Wiring Diagram-Unit
UV-SVP01A-EN
Input/Output Summary
Input/Output Summary
summary
Analog Inputs Discharge Air Temperature Outdoor Air Temperature
Zone Temperature Setpoint Fan Speed Entering Water Temperature
Input/Output Summary
Table 8 Input and output summary
Configurable parameters
Configuration
Table 10 Binary output summary
Configuration
Binary output
TB4-1/TB4-2
Configuration
Configuration
Configuration
Table 11 Binary input summary
Table 13 Fan configuration ranges Fan configuration
Configuration
Default
Default
Table 15 Setpoint defaults
Configuration
Default
Default
Table 18 Bypass timer range Default
Configuration
Table 19 Control wait timer
Default
Unit Identification Tag
Location Identifier
Heating And Cooling Changeover Logic
Unit Operation
4 = Night Purge air changeover not supported
Unit Operation
Figure 17 “Heat/Cool Changeover logic”
Heating Operation
Cooling Operation
Fan Operation
Unit Operation
Face-and-Bypass Damper Operation
Valve Operation
Unit Operation
Exhaust fan/damper operation
Modulating Outdoor Air Operation
Entering Water Temperature Sampling
Unit Operation
DX Operation
Economizer Operation
Electric Heat Operation
Baseboard Heat Operation
Output Overrides
Filter Status/ Maintenance Timer
Fan Status
Other Modes
Data Sharing-LonWorks
Unit Operation
Figure 24 “More complex data sharing application”
Figure 24 More complex data sharing application
Unit Operation
UV-SVP01A-EN
Heating And Cooling Changeover Logic
Unit Operation
Figure 17 “Heat/Cool Changeover logic”
Unit Operation
Cooling Operation
Unit Operation
Heating Operation
Fan Operation
Valve Operation
Unit Operation
Face-and-Bypass Damper Operation
Unit Operation
Entering Water Temperature Sampling
Modulating Outdoor Air Operation
Economizer Operation
Unit Operation
DX Operation
Electric Heat Operation
Unit Operation
Filter Status/ Maintenance Timer
Output Overrides
Fan Status
Data Sharing-LonWorks
Unit Operation
Figure 24 “More complex data sharing application”
Figure 24 More complex data sharing application
Unit Operation
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Led Operation
Troubleshooting
Manual Output Test
Table 26 Test sequence for non face-and-bypass unit configurations
Troubleshooting
DX, or cool or
Face-and
Table 27 Test sequence for face-and-bypass unit configurations
Troubleshooting
DX, or cool or heat
Face-and
Troubleshooting
Safeties
Troubleshooting
Diagnostics
Table 28 Tracer ZN.520 Unit Controller diagnostics
Diagnostic
Table 28 Tracer ZN.520 Unit Controller diagnostics
Troubleshooting
Diagnostic
Reset
Resetting Diagnostics
Translating Multiple Diagnostics
Troubleshooting
Cycling power
Troubleshooting
Questionable unit operation
Fans
Table 30 Valves stay closed
Troubleshooting
Probable cause
Possible Explanation
Table 31 Valves stay open
Troubleshooting
Probable cause
Possible Explanation
Table 33 Outdoor air damper stays closed
Troubleshooting
Probable cause
Explanation
Replacing Circuit Boards
Tracer ZN.520 Unit Controller Replacement
Fan Switch Resistance Values
Hardwired Setpoint Adjustment
Hardwired Thermistor Values
Appendix
Binary Configuration
Appendix-Binary Configuration
Table 38 Binary configuration details
Configuration
Unit Operation Based On The Effective HEAT/COOL Output
Appendix-Unit Operation
Table 39 Unit operation based on the effective heat/cool output
Application mode input nviApplicMode
Table 39 Unit operation based on the effective heat/cool output
Appendix-Unit Operation cont
Application mode input
Heat/cool mode input
Data Lists
Appendix-Data Lists
Table 41 Configuration properties1
Configuration property
Appendix-Timeclock
Setting the Time Clock
Review and Change Programs
Appendix-Timeclock
Override Program Manual Operation
Appendix-Timeclock
To switch the load permanently OFF, press the key a third time
O appears in the display. To return to automatic pro
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This area provided for the removable tag
Appendix-Location Identifier
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Location Identifier
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Location Identifier
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Location Identifier
Literature Order Number
The Trane Company
UV-SVP01A-EN
File Number