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Johnson Controls TEC3610 - User Manual

Johnson Controls TEC3610
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TEC3000 Series On/Off or Floating Fan Coil and Individual Zone
Thermostat Controllers with Dehumidification Capability
Installation Instructions
1
Refer to the QuickLIT website for the most up-to-date version of this document.
Applications
The TEC3000 Series On/Off or Floating Fan Coil and Individual Zone Thermostat Controllers are stand-alone and
field-selectable BACnet® MS/TP or N2 networked devices that provide control of the following:
• local hydronic reheat valves
• pressure-dependent variable air volume (VAV) equipment with or without local reheat
• two- or four-pipe fan coils
• cabinet unit heaters
• other individual zone equipment using an on/off or floating control input
The networked models feature a field-selectable Building Automation System (BAS) BACnet MS/TP or N2
communication capability that enables remote monitoring and programming for efficient space temperature control.
All models include a USB port configuration that reduces installation time by allowing simple backup and restore
features from a USB drive, which enables rapid cloning of configuration between like units.
Some models have occupancy sensing capability built into the device. These thermostat controllers maximize up to
30% energy savings in high-energy usage commercial buildings, such as schools and hotels, during occupied
times by using additional standby setpoints.
All models feature an intuitive onboard touchscreen UI with backlit display that makes setup and operation quick
and easy. Multiple fan configurations are supported for fan coil equipment types:
• single-speed
• multi-speed (two or three discrete speeds)
• variable-speed/EC motors (0 to 10 VDC control)
Some models support dehumidification on two-pipe fan coil units with reheat, and four-pipe fan coil units with or
without reheat. When no heating is required, the thermostat controller monitors space humidity and activates
dehumidification control as necessary. Heat and/or reheat is used as required to maintain the space temperature.
For optimal dehumidification performance, use a fan coil unit that has a multi-speed or variable-speed fan (VSF).
TEC3000 Series On/Off or Floating Fan Coil and Individual
Zone Thermostat Controllers with Dehumidification
Capability
Installation Instructions
TEC3310-xx-xxx, TEC3311-xx-xxx, TEC3312-xx-xxx, TEC3313-xx-xxx,TEC3610-xx-xxx, TEC3611-xx-xxx, TEC3612-xx-xxx, TEC3613-xx-xxx
Part No. 24-10787-6, Rev.
F
Issued July 2018
(barcode for factory use only)
24-10787-6, Rev. F
*24107876F*

Table of Contents

Questions and Answers

  • E
    ericcunninghamAug 25, 2025
    How to troubleshoot a 'Supply Temp Fail' error on a Johnson Controls TEC3610?
    • R
      Randy SmithAug 26, 2025
      If your Johnson Controls Controller displays 'Supply Temp Fail', the external supply temperature sensor is either disconnected or has failed. You can try these steps: First, check the sensor wiring. If intentionally disconnected, reset the sensors by going to the menu, then Control Setup, and selecting Inputs. If the problem continues, order replacement units and return the affected devices to Johnson Controls under the RMA program.
  • P
    Paul KimAug 26, 2025
    Why is the TEC3000 zone temperature not changing fast enough on my Johnson Controls TEC3610?
    • C
      Connor JonesAug 27, 2025
      If the TEC3000 zone temperature on your Johnson Controls Controller isn't changing fast enough compared to a calibrated sensor, it might be because the TEC3000 is set up for larger spaces by default when a proportional device is active. To resolve this, go to Control Setup > Tuning > Equipment Size and select 'Oversized'.
  • S
    Shelby MasonAug 27, 2025
    What does 'Changeover Fail' mean on my Johnson Controls Controller and how to fix it?
    • J
      Jessica SmithAug 27, 2025
      If your Johnson Controls Controller displays 'Changeover Fail', it indicates that the Supply Temperature Sensor is either not installed, has failed, or has been disconnected. As a result, the TEC can't detect the changeover mode for cooling or heating. You can follow the same troubleshooting steps as for a 'Supply Temp Fail' alarm.
  • R
    Russell GonzalesAug 27, 2025
    How to resolve a 'Board Mismatch' error on my Johnson Controls TEC3610 Controller?
    • N
      natalielindseyAug 28, 2025
      If your Johnson Controls Controller displays 'Board Mismatch', it means the baseboard and CPU board are not correctly paired. The TEC will show an error message with the model numbers of both boards. To fix this, match the baseboard to its corresponding CPU board.
  • J
    John DominguezAug 28, 2025
    What causes 'Humidity Unreliable' on a Johnson Controls TEC3610?
    • S
      steve35Aug 28, 2025
      If the zone humidity reading on your Johnson Controls Controller was reliable but has now failed, and if the source of zone humidity was the onboard sensor, contact Johnson Controls product sales and support. If the source was a BAS, check the BAS to ensure it's online and providing the TEC with the humidity reading. If you intentionally removed the BAS mapping, reset the sensors through the menu.
  • S
    Sabrina FullerAug 29, 2025
    How do I fix a 'Firmware Mismatch' error on my Johnson Controls TEC3610?
    • P
      parkannAug 29, 2025
      If your Johnson Controls Controller displays 'Firmware Mismatch', it means a previous upgrade or downgrade hasn't completed. If it's due to an incomplete upgrade, upgrade the TEC3000 to the latest released version, then upgrade it to the current version again. If it's an incomplete downgrade because the previous version is no longer supported, reboot the TEC3000 to clear the fault.
  • R
    Ryan HatfieldAug 30, 2025
    What to do if my Johnson Controls TEC3610 shows 'Open Window'?
    • O
      oreynoldsAug 30, 2025
      If your Johnson Controls Controller displays 'Open Window' and control has shut down, it means the switch connected to the BI configured for Open Window is sensing that a window is open. To solve this: First, close the window. If the problem persists, check the sensor functionality with an ohmmeter and verify the wiring to the TEC. If needed, order replacement units and return the affected devices to Johnson Controls under the RMA program.
  • E
    Emily MillerAug 23, 2025
    What to do if the touchscreen is unavailable on my Johnson Controls TEC3610?
    • R
      Robert RodriguezAug 23, 2025
      If the touchscreen components on your Johnson Controls Controller have failed to initialize, try rebooting the controller. If the problem continues, you may need to order replacement units and return the affected devices to Johnson Controls under the RMA program.
  • A
    Alicia StephensSep 1, 2025
    Why is 'Dehum Unavailable' on my Johnson Controls TEC3610 Controller?
    • A
      Alex FlowersSep 1, 2025
      If your Johnson Controls Controller displays 'Dehum Unavailable', it means dehumidification is unavailable because the zone humidity sensor has either failed or the humidity reading isn't reliable. If the zone humidity source was a BAS, check the BAS to ensure it's online and providing the TEC with the humidity reading. If you intentionally removed the BAS mapping, reset the sensors through the menu. If the problem continues, you may need to order replacement units and return the affected devices to Johnson Controls under the RMA program.
  • J
    John WhiteSep 2, 2025
    What does 'USB Malfunction' mean on my Johnson Controls TEC3610 Controller?
    • J
      jimmy11Sep 2, 2025
      If your Johnson Controls Controller displays 'USB Malfunction', it means a USB drive has malfunctioned and drawn too much current. First, try inserting the USB drive again. If that doesn't work, try a different USB drive. If the problem persists, you might need to order replacement units and return the affected devices to Johnson Controls under the RMA program.

Summary

Applications and Installation

Applications

Details the applications and functions of the TEC3000 series controllers.

Compliance and Installation

Outlines FCC and Canadian compliance standards, and lists included parts.

Installation Procedures

Covers location selection and physical mounting of the thermostat controller.

Wiring and Connections

Details electrical connections and provides wiring diagrams for control types.

Setup and Adjustments

User Interface and Customization

Explains touchscreen icons, home screen customization, and lockout levels.

Advanced Operations

Covers USB port usage for firmware, backups, and restoring settings.

Thermostat Configuration

Guides setup for unit type, heating/cooling control, fan settings, and dehumidification.

System Control Features

Details zone sizing, changeover, and advanced control algorithm configurations.

Occupancy and Scheduling

Configures occupancy sources, schedules, and overrides for operational control.

Troubleshooting and Maintenance

System Diagnostics and Maintenance

Information on commissioning, sensor priority, and available fault diagnostics.

Troubleshooting Faults

Lists common faults, their causes, and solutions for TEC controller issues.

Troubleshooting Details

Provides in-depth explanations of specific symptoms and their corresponding solutions.

Technical Specifications

Technical Specifications

Lists detailed electrical, environmental, and performance specifications for the TEC3000.

Johnson Controls TEC3610 Specifications

General IconGeneral
ModelTEC3610
DisplayLCD
Communication ProtocolBACnet MS/TP or N2
Power Consumption5 VA
Enclosure RatingNEMA 1
TypeController
Input Voltage24 VAC
Temperature Range32°F to 122°F (0°C to 50°C)
Supply Voltage24 VAC
Operating Temperature32°F to 122°F (0°C to 50°C)
Weight1.1 lbs (0.5 kg)

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