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ZN.520 manual Typical Wiring Diagram-Unit, Mounted Switch, Wall Mounted Sensor, UV-SVP01A-EN
Models:
Tracer Unit Ventilator
ZN.520
1
26
78
78
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78 pages
280 b
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24
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Troubleshooting
Specifications
Characteristic
Install
Typical Wiring Diagram-Wall Mounted Zone Sensor
Tracer ZN.520 Unit Controller Replacement
Maintenance
Communication Configurations
Wiring
Reset
Page 26
Image 26
Typical Wiring
Diagram—
Unit
Mounted Switch, Wall Mounted Sensor
UV-SVP01A-EN
29
Page 25
Page 27
Page 26
Image 26
Page 25
Page 27
Contents
Installation Owner Diagnostics
Tracer ZN.520 for Classroom Unit Ventilator
UV-SVP01A-EN
Start-up Procedures
Installation of New Units
Note Manual output test can be initiated at any time
Power Up Sequence
Start-up Procedures
General Information
Tracer ZN.520 Overview
Adjust
Table 1 Tracer ZN.520 Unit Controller features and coil availability
Temperature
General Information
Service Button and LED
Controller Circuit Board Features
Power Generic Auto Test Button Status LED Communications LED
Communications
Typical Components
Controller Features
Service
Test” on page 48, for more infor- mation
Peer-to-Peer Communications
Communication Configurations
service tool. See “Configuration”
Integrated Comfort System
Stand-Alone
Communication Configurations
Service tool
Communication Interface
Characteristic
Standard End Devices
Table 2 End Device Specifications Device
Description
Standard End Devices
Table 2 End Device Specifications Device
Characteristic
Outside Air Actuator Face and Bypass Actuator 2-way Control Valve
Standard End Devices
Table 2 End Device Specifications Device
Characteristic
3-way Control Valve Time clock Zone sensor
Standard End Devices
Table 2 End Device Specifications Device
Characteristic
Humidity Sensor CO 2 Sensor Fan Relay
Standard End Devices
Table 2 End Device Specifications Device
Characteristic
Description
Installation and Wiring
Specifications
Description
Installation and Wiring
Table 3 Binary inputs typically 24 mA AC
Terminals
Description
Installation and Wiring
Table 4 Binary outputs
Terminals
Description
Installation and Wiring
Table 6 Analog inputs
Terminals
Installation and Wiring
Mounting
Figure 10 Horizontal classroom unit ventilator end pocket
Installation and Wiring
Figure 9 Vertical classroom unit ventilator end pocket
Power
Installation and Wiring
Wiring
Installation and Wiring
Installing the Wall- Mounted Zone Sensor Optional
Figure 14 Relative humidity sensor Figure 15 CO 2 Sensor
Installation and Wiring
Humidity and CO2 Sensors
UV-SVP01A-EN
Typical Wiring Diagram-Wall Mounted Zone Sensor
UV-SVP01A-EN
Typical Wiring Diagram-Unit Mounted Zone Sensor
UV-SVP01A-EN
UV-SVP01A-EN
Typical Wiring Diagram-Unit
Mounted Switch, Wall Mounted Sensor
summary
Input/Output Summary
Input/Output Summary
Input/Output Summary
Zone Temperature Setpoint Fan Speed Entering Water Temperature
Analog Inputs Discharge Air Temperature Outdoor Air Temperature
Table 8 Input and output summary
Configuration
Configurable parameters
Binary output
Configuration
Table 10 Binary output summary
TB4-1/TB4-2
Configuration
Configuration
Configuration
Table 11 Binary input summary
Default
Configuration
Table 13 Fan configuration ranges Fan configuration
Default
Default
Configuration
Table 15 Setpoint defaults
Default
Table 19 Control wait timer
Configuration
Table 18 Bypass timer range Default
Default
Location Identifier
Unit Identification Tag
Unit Operation
Heating And Cooling Changeover Logic
Figure 17 “Heat/Cool Changeover logic”
Unit Operation
4 = Night Purge air changeover not supported
Fan Operation
Cooling Operation
Heating Operation
Unit Operation
Unit Operation
Valve Operation
Face-and-Bypass Damper Operation
Exhaust fan/damper operation
Unit Operation
Entering Water Temperature Sampling
Modulating Outdoor Air Operation
Electric Heat Operation
Economizer Operation
DX Operation
Baseboard Heat Operation
Fan Status
Filter Status/ Maintenance Timer
Output Overrides
Other Modes
Figure 24 “More complex data sharing application”
Unit Operation
Data Sharing-LonWorks
UV-SVP01A-EN
Unit Operation
Figure 24 More complex data sharing application
Unit Operation
Heating And Cooling Changeover Logic
Unit Operation
Figure 17 “Heat/Cool Changeover logic”
Heating Operation
Unit Operation
Cooling Operation
Fan Operation
Face-and-Bypass Damper Operation
Unit Operation
Valve Operation
Modulating Outdoor Air Operation
Entering Water Temperature Sampling
Unit Operation
DX Operation
Unit Operation
Economizer Operation
Electric Heat Operation
Output Overrides
Filter Status/ Maintenance Timer
Unit Operation
Fan Status
Figure 24 “More complex data sharing application”
Unit Operation
Data Sharing-LonWorks
UV-SVP01A-EN
Unit Operation
Figure 24 More complex data sharing application
Manual Output Test
Troubleshooting
Led Operation
DX, or cool or
Troubleshooting
Table 26 Test sequence for non face-and-bypass unit configurations
Face-and
DX, or cool or heat
Troubleshooting
Table 27 Test sequence for face-and-bypass unit configurations
Face-and
Safeties
Troubleshooting
Table 28 Tracer ZN.520 Unit Controller diagnostics
Diagnostics
Troubleshooting
Diagnostic
Diagnostic
Troubleshooting
Table 28 Tracer ZN.520 Unit Controller diagnostics
Reset
Troubleshooting
Translating Multiple Diagnostics
Resetting Diagnostics
Cycling power
Fans
Questionable unit operation
Troubleshooting
Probable cause
Troubleshooting
Table 30 Valves stay closed
Possible Explanation
Probable cause
Troubleshooting
Table 31 Valves stay open
Possible Explanation
Probable cause
Troubleshooting
Table 33 Outdoor air damper stays closed
Explanation
Tracer ZN.520 Unit Controller Replacement
Replacing Circuit Boards
Hardwired Thermistor Values
Hardwired Setpoint Adjustment
Fan Switch Resistance Values
Appendix
Table 38 Binary configuration details
Appendix-Binary Configuration
Binary Configuration
Configuration
Table 39 Unit operation based on the effective heat/cool output
Appendix-Unit Operation
Unit Operation Based On The Effective HEAT/COOL Output
Application mode input nviApplicMode
Application mode input
Appendix-Unit Operation cont
Table 39 Unit operation based on the effective heat/cool output
Heat/cool mode input
Table 41 Configuration properties1
Appendix-Data Lists
Data Lists
Configuration property
Setting the Time Clock
Appendix-Timeclock
Override Program Manual Operation
Appendix-Timeclock
Review and Change Programs
O appears in the display. To return to automatic pro
To switch the load permanently OFF, press the key a third time
Appendix-Timeclock
UV-SVP01A-EN
UV-SVP01A-EN
Appendix-Location Identifier
This area provided for the removable tag
Location Identifier
UV-SVP01A-EN
Location Identifier
UV-SVP01A-EN
Location Identifier
UV-SVP01A-EN
UV-SVP01A-EN
The Trane Company
Literature Order Number
File Number