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Johnson Controls TEC3322-1 Series - User Manual

Johnson Controls TEC3322-1 Series
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TEC3000 Series Networked and Wireless Proportional Fan Coil and
Individual Zone Thermostat Controllers with Dehumidification Capability
Installation
Guide
1
Refer to the QuickLIT website for the most up-to-date version of this document.
Applications
The networked TEC3000 Series Thermostat Controllers are stand-alone and field-selectable BACnet® MS/TP or
N2 networked devices. Wireless networked models of the TEC3000 Series Thermostat Controller are also
available. Proportional Fan Coil and Individual Zone Thermostat Controllers 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.
The wireless models are compatible with the WNC1800/ZFR182x Pro Series Wireless Field Bus System that
enables communication with a building automation system (BAS). 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. For Single-or Two-Stage Economizer Thermostat Controller models, only the single-speed fan
configuration is supported. For TEC3x1x and TEC3x2x models, multiple fan configurations are supported for fan
coil equipment types, as follows:
• 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 Networked and Wireless Proportional Fan
Coil and Individual Zone Thermostat Controllers with
Dehumidification Capability
Installation Guide
TEC3322-1x-xxx, TEC3323-1x-xxx, TEC3622-1x-xxx, TEC3623-1x-xxx, TEC3022-1x-xxx, TEC3023-1x-xxx
LIT-12013162
Issued May 2019

Table of Contents

Questions and Answers

  • K
    knighttylerAug 27, 2025
    What to do if Johnson Controls Thermostat shows USB Malfunction?
    • V
      Vicki ParkerAug 27, 2025
      If your Johnson Controls Thermostat displays 'USB Malfunction,' it means a USB drive has malfunctioned and drawn more current than allowed. Here's how to troubleshoot: 1. Try inserting and using the USB drive again. 2. Try a new USB drive. 3. If the problem continues, you may need to order replacement units and return the faulty devices to Johnson Controls under the RMA program.
  • R
    Ricardo TurnerSep 1, 2025
    Why does the staged equipment shut off prematurely on my Johnson Controls Thermostat?
    • A
      astoneSep 2, 2025
      The PID control algorithm minimizes overshoot and energy usage for the particular equipment and zone, and may cycle the equipment prior to reaching setpoint. This is expected behavior.
  • M
    Mrs. Elizabeth MooreSep 17, 2025
    How to fix USB Malfunction on Johnson Controls TEC3322-1?
    • K
      Kyle BeardSep 17, 2025
      If you are encountering a 'USB Malfunction' error on your Johnson Controls Controller, it indicates that a USB drive has malfunctioned and drawn more current than allowed. Here's what you can do: 1. Try inserting and using the USB drive again. 2. Try a different USB drive. 3. If the problem continues, order replacement units and return the affected devices to Johnson Controls under the RMA program.
  • Y
    ytaylorSep 5, 2025
    Why is the cooling ineffective on my Johnson Controls Fan?
    • R
      Robert WilsonSep 6, 2025
      If cooling is ineffective on your Johnson Controls Fan, it means the supply air temperature hasn't decreased below the configured Supply Air Temperature Alarm Offset while cooling has been active for at least the Supply Air Temperature Alarm Delay. Verify that the cooling elements on the rooftop are functioning properly.
  • J
    John GarzaSep 15, 2025
    Why is my Zone Temperature Too Cold according to my Johnson Controls TEC3322-1?
    • H
      hornchristinaSep 15, 2025
      If your Johnson Controls Controller indicates that the zone temperature is too cold, it means the zone temperature has dropped below the configured Zone Temp Low Limit. To address this, verify that the TEC and the RTU heating are both enabled and functioning correctly.
  • Z
    zguzmanSep 13, 2025
    What to do if I see Remote Zone Temp Fail on Johnson Controls TEC3322-1?
    • A
      ashley04Sep 13, 2025
      The 'Remote Zone Temp Fail' error on your Johnson Controls Controller indicates that the external zone temperature sensor is either disconnected or has failed. To resolve this: 1. Check the wiring of the sensor to ensure it is properly connected. 2. If the sensor was intentionally disconnected, reset the sensors through the menu. 3. If the problem persists, order replacement units and return the affected devices to Johnson Controls under the RMA program.
  • M
    Miranda GuerreroSep 23, 2025
    Why does my Johnson Controls TEC3322-1 provide an error when trying to restore settings from a backup?
    • D
      Danny JamesSep 23, 2025
      If your Johnson Controls Controller provides an error when trying to restore settings from a backup, it could be due to several reasons: * The USB drive is defective. Try a different USB drive. * The restore file is corrupt. Try restoring a different backup file. * The restore file is from an incompatible model TEC. Ensure that the backup file being restored was from the same model TEC.
  • A
    Audrey LivingstonAug 25, 2025
    How do I fix a Changeover Fail on my Johnson Controls Thermostat?
    • S
      Sarah MooneyAug 26, 2025
      A 'Changeover Fail' indicates that the Supply Temperature Sensor is not installed, has failed, or has been disconnected. As a result, the TEC can't detect the changeover mode for cooling or heating. Follow the same troubleshooting steps as for a 'Supply Temp Fail' alarm.
  • S
    stephaniehillAug 25, 2025
    What to do if Johnson Controls Thermostat shows Dehum Unavailable?
    • M
      mayercarlAug 26, 2025
      If your thermostat displays 'Dehum Unavailable', it means dehumidification is not working because the zone humidity sensor has failed or the humidity reading isn't reliable. Here's how to address it: 1. If the zone humidity data comes from a BAS, check the BAS to make sure it's online and sending the TEC the humidity reading. If you intentionally removed the BAS mapping, reset the sensors through the menu. 2. If the problem continues, you might need to order replacement units and return the old ones to Johnson Controls under the RMA program.
  • M
    Melinda RobertsSep 1, 2025
    Why is the temperature on my Johnson Controls Thermostat lower than the actual room temperature?
    • S
      Sarah HardingSep 1, 2025
      If the displayed temperature is lower than the actual room temperature, it could be due to: * Cold air drafts are entering the back of the TEC: Seal any holes behind the TEC to reduce drafts. * Air is being forced through the TEC from a nearby vent: Move the location of the TEC or change the venting to prevent air from being forced through the TEC.

Johnson Controls TEC3322-1 Series Specifications

General IconGeneral
Product SeriesTEC3322-1 Series
ManufacturerJohnson Controls
CategoryController
DisplayLCD
Enclosure RatingIP30
TypeElectronic Thermostat
Input Voltage24 VAC
Temperature Range32 to 122 °F
Control ModeOn/Off
MountingWall

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