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Johnson Controls TEC3630 Series - User Manual

Johnson Controls TEC3630 Series
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TEC3000 Series Single- or Two-Stage Economizer Thermostat
Controllers Installation Instructions
1
Refer to the QuickLIT website for the most up-to-date version of this document.
Applications
The TEC3000 Series Single- or Two-Stage Economizer Thermostat Controllers are stand-alone and
field-selectable BACnet® MS/TP or N2 networked devices that provide control of the following:
unitary rooftop units (RTUs)
unitary RTUs with economizers
unitary RTUs with heat pumps
unitary RTUs with economizers and heat pumps
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. Only the single-speed fan configuration is supported for fan coil equipment types.
IMPORTANT: The TEC3000 Series Thermostat Controller is intended to provide an input to equipment under
normal operating conditions. Where failure or malfunction of the thermostat controller could lead to personal
injury or property damage to the controlled equipment or other property, additional precautions must be
designed into the control system. Incorporate and maintain other devices, such as supervisory or alarm systems
or safety or limit controls, intended to warn of or protect against failure or malfunction of the thermostat
controller.
IMPORTANT: Le TEC3000 Series Thermostat Controller est destiné à transmettre des données entrantes à un
équipement dans des conditions normales de fonctionnement. Lorsqu'une défaillance ou un dysfonctionnement
du thermostat controller risque de provoquer des blessures ou d'endommager l'équipement contrôlé ou un autre
équipement, la conception du système de contrôle doit intégrer des dispositifs de protection supplémentaires.
Veiller dans ce cas à intégrer de façon permanente d'autres dispositifs, tels que des systèmes de supervision ou
d'alarme, ou des dispositifs de sécurité ou de limitation, ayant une fonction d'avertissement ou de protection en
cas de défaillance ou de dysfonctionnement du thermostat controller.
TEC3000 Series Single- or Two-Stage Economizer
Thermostat Controllers
Installation Instructions
TEC3330-xx-xxx, TEC3331-xx-xxx,
TEC3630-xx-xxx, TEC3631-xx-xxx
Part No. 24-10789-5, Rev.
F
Issued July 2018
(barcode for factory use only)
*24107895F*
24-10789-5, Rev. F

Questions and Answers

  • T
    thomas73Aug 31, 2025
    What does 'Calibration Corrupt' mean on my Johnson Controls Thermostat?
    • R
      ruizcharlesAug 31, 2025
      If your Johnson Controls Thermostat displays 'Calibration Corrupt', it means the factory calibration data is lost or not installed. Order replacement units and return the affected devices to Johnson Controls under the RMA program.
  • D
    David JohnsSep 10, 2025
    What does 'Dirty Filter' mean on my Johnson Controls TEC3630 Thermostat and how to resolve it?
    • A
      Angel WilsonSep 10, 2025
      If your Johnson Controls Thermostat displays 'Dirty Filter', it means equipment connected to the BI configured for a Dirty Filter alarm is triggering the alarm. Replace the filter in the equipment as explained in the manufacturer's instructions.
  • M
    Michael BrownAug 30, 2025
    What to do if my Johnson Controls Thermostat displays 'Zone Temp Unreliable'?
    • Y
      Yvonne BarrettAug 30, 2025
      If your Johnson Controls Thermostat displays 'Zone Temp Unreliable', it means all sources of zone temperature, including the onboard sensor, are unreliable. Order replacement units and return the affected devices to Johnson Controls under the RMA program.
  • H
    Haley BellSep 12, 2025
    Why is my Johnson Controls TEC3630 Thermostat cycling too rapidly or slowly?
    • J
      joyceleonardSep 12, 2025
      If your Johnson Controls Thermostat displays 'The staged equipment cycles too rapidly or too slowly when the PID is running on the TEC', it means the control band around the setpoint is determined by the minimum on/off times and is set incorrectly for the equipment, zone, or user preference. Verify that equipment minimum on/ off times are set correctly. If the default deadband around the setpoint does not provide the desired temperature control, set Temp Control Setup to Deadband Override and set the Deadband parameter to the desired value.
  • A
    Aaron CarterSep 12, 2025
    Why can't my Johnson Controls TEC3630 access the USB drive?
    • A
      Alec SmithSep 12, 2025
      If the Johnson Controls Thermostat displays 'The controller is unable to access a USB drive', it could be due to the drive being formatted as NTFS or another unsupported format. The TEC supports FAT and FAT32 formats only, so reformat the USB drive, or try a different USB drive with a supported format. It may also be that the USB drive is defective, so try a different USB drive.
  • T
    Tyler MitchellSep 15, 2025
    Why does my Johnson Controls TEC3630 Thermostat show an error when upgrading firmware?
    • L
      Lisa ClarkSep 16, 2025
      If the Johnson Controls Thermostat displays 'The controller provides an error when trying to upgrade firmware', it means the firmware on the USB drive is below the minimum required version. Please use firmware version 3.0.2.xxxx or higher. A reboot is required to clear the Firmware Mismatch fault that occurs.
  • T
    Tony Bell DVMSep 23, 2025
    Why does my Johnson Controls Thermostat display 'Board Mismatch'?
    • D
      deanna94Sep 23, 2025
      If the Johnson Controls Thermostat displays 'The controller displays Board Mismatch', it could be due to the I/O board that the display board is currently attached to does not match the one that initially shipped with the display board, so attach the display board to the correct I/O board. It could also be that a hardware failure is causing the two boards to incorrectly identify themselves, so order replacement units and return the affected devices to Johnson Controls under the RMA program.
  • A
    Ashley WilliamsAug 27, 2025
    What to do if my Johnson Controls TEC3630 Thermostat displays 'Supply Temp Fail'?
    • C
      cindymayAug 27, 2025
      If the Johnson Controls Thermostat displays 'Supply Temp Fail', it means the external supply temperature sensor has either been disconnected or has failed. Here's what you should do: 1. Check the wiring of the sensor. 2. If intentionally disconnected, reset fault by entering the menu, enter Control Setup, and select Inputs to reset the sensors. 3. If the problem continues, order replacement units and return the affected devices to Johnson Controls under the RMA program.
  • M
    madisonibarraAug 26, 2025
    What to do if my Johnson Controls TEC3630 displays 'Outdoor Temp Fail'?
    • A
      Amanda HuberAug 26, 2025
      If the Johnson Controls Thermostat displays 'Outdoor Temp Fail', it means the external outdoor air temperature sensor is either disconnected or has failed. Here's what you should do: * Check the sensor wiring. * If intentionally disconnected, reset sensors through the menu. * If the problem continues, order replacement units and return the affected devices to Johnson Controls under the RMA program.
  • S
    Sarah WallaceAug 25, 2025
    What does 'Board Mismatch' mean on my Johnson Controls TEC3630 and how to fix it?
    • D
      Dakota GoldenAug 26, 2025
      If your Johnson Controls Thermostat displays 'Board Mismatch', it means the baseboard and CPU board are incorrectly paired. To resolve this, match the baseboard to its corresponding CPU board. See Figure 5 for information on ensuring that you have the CPU board and base board paired correctly.

Summary

TEC3000 Series Thermostat Controller Installation

Thermostat Controller Installation Procedure

Wiring and Electrical Safety

User Interface and Setup Overview

Home Screen Customization Options

Personalizes the home screen display by showing or hiding elements.

USB Port Operations and User Lockout

Firmware Updates and Settings Backup

Instructions for updating firmware and saving controller settings via USB.

USB Port Operations - Restore and Network

Controller Configuration Essentials

Equipment Mode Selection and Initial Setup

Guides selection for Rooftop or Heat Pump operation and initial setup.

Advanced Configuration Settings

Economizer and Control Mode Configuration

Configures economizer damper and sets the overall control mode.

Temperature Setpoint Management

Setting Occupancy and Standby Setpoints

Adjusts heating/cooling setpoints for occupied, unoccupied, and standby modes.

Occupancy Control Configuration

Advanced Control Features

PID and PRAC+ Automatic Tuning

Explains PID control and automatic tuning for optimizing performance.

Commissioning, Sensor Priority, and Diagnostics

Available Fault Diagnostics

Lists and describes diagnostic information for system faults.

Menus and Submenus - Equipment Setup

Troubleshooting - Faults

Sensor Failures and Internal Faults

Troubleshooting steps for sensor failures, internal faults, and board mismatches.

Troubleshooting - Symptom Analysis

Technical Specifications

Johnson Controls TEC3630 Series Specifications

General IconGeneral
BrandJohnson Controls
ModelTEC3630 Series
CategoryThermostat
LanguageEnglish

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