1. Overview
The Supco TA22 is a single set point temperature alarm designed to monitor temperature in critical areas. It activates an audible and visual alarm when the temperature rises above or falls below programmable set points. The unit features a digital display for quick reference of current temperature in Celsius or Fahrenheit, alarm status, over/under mode indicator, and set point.

Image 1.1: Front view of the Supco TA22 Single Set Point Temperature Alarm. The device features a digital display and control buttons for setting temperature parameters and alarm functions.
2. Safety Information
Please read and understand all safety instructions before operating the Supco TA22 temperature alarm. Failure to follow these instructions may result in electric shock, fire, or damage to the product.
- Power Source: Use only the provided 120 VAC AC adapter. Do not use other power sources.
- Placement: Install the device in a dry location, away from direct sunlight, extreme temperatures, and high humidity. Ensure proper ventilation.
- Electrical Safety: Do not open the device casing. Refer all servicing to qualified personnel.
- Cleaning: Disconnect power before cleaning. Use a soft, dry cloth. Do not use liquid cleaners or aerosols.
- Children: Keep the device out of reach of children.
3. Package Contents
Verify that all items are present in the package:
- Supco TA22 Single Set Point Temperature Alarm Unit
- AC Adapter
- User Manual (this document)
4. Product Features
The Supco TA22 offers the following features:
- Monitors temperature in critical areas.
- Adjustable alarm temperature range from -40°F to +160°F (-40°C to +71°C).
- 80 dB audible alarm and visual alarm indicator.
- Alarm delay adjustable from instant to up to 1 hour.
- Over/under mode indicator and alarm set points display.
- Selectable temperature units: Celsius or Fahrenheit.
- Built-in terminals for remote alarm or telephone dialer connection.
- Includes AC Adapter for power.
5. Setup Instructions
Follow these steps to set up your Supco TA22 temperature alarm:
- Unpack the Unit: Carefully remove the TA22 unit and AC adapter from its packaging.
- Choose a Location: Select a suitable location for the alarm unit. Ensure it is in the area where temperature monitoring is required. Avoid placing it near heat sources, direct airflow, or areas with excessive vibration.
- Connect Power: Plug the AC adapter into the power input jack on the TA22 unit. Then, plug the AC adapter into a standard 120 VAC electrical outlet. The unit will power on and display the current temperature.
- Initial Power-On: Upon first power-on, the unit will display the current temperature. Allow a few minutes for the temperature sensor to stabilize and provide an accurate reading.
6. Operating Instructions
This section details how to operate your Supco TA22 temperature alarm.
6.1. Display Overview
The digital display shows:
- Current Temperature: The real-time temperature reading.
- Temperature Units: Indicates whether the temperature is displayed in Fahrenheit (°F) or Celsius (°C).
- Alarm Status: Visual indicator for active alarms.
- Over/Under Mode: Indicates if the alarm is set for over-temperature or under-temperature conditions.
- Set Point: The programmed temperature threshold for the alarm.
6.2. Setting Temperature Units (°F/°C)
To switch between Fahrenheit and Celsius:
- Locate the °F/°C button on the unit.
- Press the button once to toggle between Fahrenheit and Celsius display modes.
6.3. Setting Alarm Set Points
The TA22 allows you to set a single temperature threshold for the alarm.
- Enter Set Point Mode: Press and hold the 'SET' button until the display shows the current set point value flashing.
- Adjust Set Point: Use the 'UP' and 'DOWN' arrow buttons to adjust the desired temperature set point.
- Confirm Set Point: Press the 'SET' button again to save the new set point and exit set point mode.
6.4. Adjusting Alarm Delay
The alarm delay feature prevents nuisance alarms from minor, temporary temperature fluctuations.
- Refer to the specific instructions in your unit's detailed manual for accessing and adjusting the alarm delay setting. This typically involves a combination of button presses.
- The delay can be set from instant (no delay) up to a maximum of 1 hour.
- The alarm will only activate if the temperature remains outside the set point for the duration of the programmed delay.
6.5. Remote Alarm Connection
The TA22 includes built-in terminals for connecting to a remote alarm system or telephone dialer.
- Locate the remote alarm terminals on the back or side of the unit.
- Connect the appropriate wiring from your remote alarm system or telephone dialer to these terminals.
- Consult the manual of your remote alarm system for specific wiring requirements.
7. Maintenance
The Supco TA22 is designed for minimal maintenance. Follow these guidelines to ensure optimal performance:
- Cleaning: Periodically wipe the unit with a soft, dry cloth to remove dust. Do not use abrasive cleaners, solvents, or immerse the unit in water. Ensure the unit is unplugged before cleaning.
- Sensor Care: Keep the temperature sensor free from obstructions and debris to ensure accurate readings.
- Inspection: Regularly inspect the AC adapter and power cord for any signs of damage. If damaged, discontinue use and replace with an authorized Supco adapter.
8. Troubleshooting
If you encounter issues with your Supco TA22, refer to the following table:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on | No power to the unit or faulty AC adapter. | Check if the AC adapter is securely plugged into the unit and the wall outlet. Test the outlet with another device. Replace AC adapter if faulty. |
| Alarm does not sound when temperature limit is reached | Alarm delay is set too long, set point is incorrect, or alarm function is disabled. | Verify the alarm set point. Check the alarm delay setting and reduce it if necessary. Ensure the alarm is enabled (if applicable). |
| Incorrect temperature reading | Sensor obstruction, unit placed in an unsuitable location, or sensor malfunction. | Ensure the sensor is clear of obstructions. Relocate the unit away from direct heat/cold sources or strong air currents. If the problem persists, contact support. |
| Remote alarm not triggering | Incorrect wiring or issue with the remote alarm system. | Check the wiring connections to the remote alarm terminals. Test the remote alarm system independently. |
9. Specifications
Technical specifications for the Supco TA22 Single Set Point Temperature Alarm:
| Specification | Value |
|---|---|
| Model | TA22 |
| Temperature Range | -40°F to 160°F (-40°C to 71°C) |
| Accuracy | ±2°F (±1°C) |
| Power Input | 120 VAC |
| Alarm Output | Audible (80 dB) and Visual |
| Display Type | Digital |
| Dimensions (Width) | 3 inches (76.2 mm) |
| Dimensions (Height) | 5 inches (127 mm) |
| Dimensions (Depth) | 1.5 inches (38.1 mm) |
| Material | Plastic |
| Included Components | AC Adapter |
| UPC | 687152209538 |
10. Warranty and Support
10.1. Warranty Information
The Supco TA22 Single Set Point Temperature Alarm comes with a 1-year limited guarantee from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, accident, unauthorized modification, or improper installation.
Please retain your proof of purchase for warranty claims.
10.2. Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty service, please contact Supco customer support. Refer to the official Supco website or product packaging for the most current contact information.
When contacting support, please have your product model number (TA22) and proof of purchase available.