How to Program an Atosa Refrigerator Controller
Atosa refrigeration units offer unparalleled convenience in any commercial kitchen space. No matter if you need to set the temperature or adjust the settings, our guide on how to program an Atosa refrigerator controller will help you optimize its performance with ease.
Step-by-Step Guide to Programming Your Controller
Start by checking the manual of your specific unit. There are two different types of controllers that Atosa refrigerators use. Typically, models made before March of 2020 have one type and models made after that time have the other. Follow these instructions to program your controller:
Models Made Before March 2020
- Step 1. Enter programming mode by pressing the SET and DOWN keys for 3 seconds until the LED starts blinking.
- Step 2. Release the keys and press the SET and DOWN keys again for more than 7 seconds. Let go of the keys and you’ll see H.Y.
- Step 3. Select the required parameter.
- Step 4. Press the SET key to display its value.
- Step 5. Use UP or DOWN to change the value.
- Step 6. Press SET to store the new value and move to the following parameter.
- Step 7. Press SET and UP keys or wait 15 seconds without pressing a key to exit.
Models Made March 2020 and After
- Step 1. Press the SET button for 3 seconds and PS will show up.
- Step 2. Press SET again and the display will show “0” blinking.
- Step 3. Change it to 22 and press SET. It’ll return to PS.
- Step 4. Use the UP and DOWN arrows to scroll through the codes.
- Step 5. Pressing SET at a code will get you to the value which you can change using the UP and DOWN arrows.
- Step 6. Once you change the value, press SET again to store it and go back to the code.
- Step 7. When you’re done in the menu, hold the SET key for 3 seconds to save and exit.
For information on cleaning your unit, troubleshooting and more, check out our Atosa manuals and diagrams.

