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Automation Direct Stratus TA20 Series - User Manual

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www.automationdirect.com
STRATUS TA20 Series Industrial Air Conditioners User Manual
1st edition RevA.
TA20 Series
User Manual

Questions and Answers

  • J
    Jonathan GardnerAug 3, 2025
    How to troubleshoot Automation Direct Stratus TA20 that will not run?
    • M
      Melissa HowardAug 3, 2025
      If your Automation Direct Air Conditioner isn't running, first, check the circuit breaker and ensure it's not tripped. Then, verify the voltage at the power source matches the unit's requirements, with a minimum of 15 Amps. Also, check the rocker switch inside the panel to ensure the unit power switch is on.
  • J
    Joel WintersAug 7, 2025
    What to do if Automation Direct Stratus TA20 runs but doesn't cool properly?
    • C
      Christopher MoyerAug 7, 2025
      If your Automation Direct Air Conditioner is running but not cooling effectively, try the following: * Reprogram the setpoint or increase the Hy setting. * Clean the condenser coil if you're experiencing intermittent HA2 alarms. * Ensure the installation meets the minimum clearance requirements for condenser airflow, addressing any blocked condenser airflow. * Address adjacent units heating the air by installing a baffle/deflector or moving the units. * Clean the evaporator if there is restricted airflow. * Remove any restrictions, install a baffle, or install a fan to address recirculating airflow.
  • P
    Paul WarrenAug 23, 2025
    Why is condensate draining inside my Automation Direct Air Conditioner?
    • M
      Micheal PowellAug 23, 2025
      Condensate draining inside the unit can be due to: * A blockage in the evaporator drain lines preventing water from reaching the boil-off pan. Clean condensate drains with degreaser and check for crushed or blocked drain lines. Also, clean the evaporator coil and check for the source of contamination. * An iced-up evaporator coil. Have a qualified A/C technician clean, repair, or replace the coil. * Low refrigerant levels. Have a qualified A/C technician check the refrigerant level.
  • H
    huntertorresAug 28, 2025
    Why is condensate draining from the overflow of my Automation Direct Stratus TA20 Air Conditioner?
    • T
      Thomas HerreraAug 28, 2025
      Condensate draining from the overflow can occur if the door is partially open or if there are air leaks between the unit and the enclosure. Check the door gasket and gasket compression when closing. Ensure the system is a closed loop.
  • J
    Joshua WeberNov 12, 2025
    Why is my Automation Direct Stratus TA20 vibrating or noisy?
    • J
      Jean TorresNov 12, 2025
      If your Automation Direct Air Conditioner is vibrating or noisy, consider these potential causes and solutions: 1. Inspect all points of mechanical contact between tubing and shroud or chassis for possible freight damage. 2. Inspect the compressor mounting if the tube is rattling against the shroud. 3. Inspect the compressor mounting if the compressor is rattling against the shroud. 4. Clean blowers and tie-wrap any loose wiring if there is a foreign object in the fan/blower. Replace the air filter to prevent recurrence. 5. Replace the blower unit or fan blade if there is a broken or bent fan blade. 6. Test the air temperature entering and leaving the condenser. Entering should equal ambient, and leaving should equal entering + 15 degrees. Clean the condenser with degreaser and a low...
  • M
    Mrs. Stephanie Vasquez MDNov 17, 2025
    What causes the compressor to stall on startup in an Automation Direct Stratus TA20 Air Conditioner?
    • T
      Terri GreenNov 17, 2025
      Several factors can cause the compressor to stall during startup: * Insufficient power under load: Check the power source, wiring, and circuit breaker capacity using a power quality meter. * CB on overload: Have a qualified A/C technician test and replace if necessary. * Defective or disconnected run capacitor: Have a qualified A/C technician test and replace if necessary. * Faulty compressor: Have a qualified A/C technician test the winding impedance and replace the compressor if defective. * LED/Snowflake not on: Check the programmed setpoint and indicated temperature. * LED/Snowflake blinking: The unit is off on an anti-short cycle time delay, which clears after 5 minutes. * Evaporator fan not running: Have a qualified A/C technician clean, repair, or replace if necessary....

Summary

WARNING

Trademarks

Legal notice regarding company and product proprietary marks.

Overview of this Publication

Who Should Read This Manual

Identifies the target audience for the document.

Technical Support

Contact information and resources for assistance.

Special Symbols

Explanation of icons used to convey important information.

Introduction

Provides context and initial setup guidance for the equipment.

Unpacking STRATUS Air Conditioning Equipment

Inspecting the Equipment

Procedures for checking for damage after unpacking.

Whats in the Box

Lists the components included with the air conditioner.

Nameplate Information

Details on locating and recording unit specifications.

Basic Operation

Features

Unit Specifications

Technical data for NEMA Type 12 models.

Unit Specifications

Preliminary Testing

Mounting the Air Conditioner

Instructions and cautions for physically attaching the unit.

System Operation

System Faults

Identifies common issues and their causes.

Alarm Conditions

Explains various alarm indicators and their meanings.

Digital Temperature Controller

Front Panel Commands

Details on button operations for the controller.

Key Combinations

Explains shortcut operations using button combinations.

LED Functions

Describes the meaning of indicator lights on the controller.

Functions and Parameters

Temperature Controller Setpoints

Explains configurable parameters like setpoint and hysteresis.

Main Functions

Instructions for basic operations like changing setpoints and locking the keyboard.

Functions and Parameters

Maximum and Minimum Temperature

How to view and reset recorded temperature extremes.

Alarm Signals

Table detailing alarm messages, causes, and outputs.

Alarm Recovery

Explains how alarms clear and the system recovers.

Preventative Maintenance

Air Filter Service

Instructions for cleaning or replacing air filters.

Fan and Compressor Maintenance

Maintenance advice for cooling fans and compressor.

Enclosure Moving Precautions

Precautions when relocating the unit.

Troubleshooting Guide

Dimensions

Typical Frame Size TA20-0

Specific overall dimensions for the TA20-0 model.

Wiring

Diagrams for power and alarm connections.

Dimensions

Typical Frame Size TA20-1

Specific overall dimensions for the TA20-1 model.

Wiring

Diagrams for power and alarm connections.

Dimensions

Cutout for Typical Frame Size TA20-0

Installation cutout details for TA20-0.

Cutout for Typical Frame Size TA20-1

Installation cutout details for TA20-1.

Schematic - 1000 BTU 48 VDC

Schematic - 1000 BTU 120 V

Schematic - 2000 BTU 120 & 240 VAC

Notes and Model Information

Replacement Parts

Lists available spare components.

Automation Direct Stratus TA20 Series Specifications

General IconGeneral
BrandAutomation Direct
ModelStratus TA20 Series
CategoryAir Conditioner
LanguageEnglish