STC-8080A+ Refrigeration Defrost Digital Thermostat

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China STC-8080A Compact Panel Defrost Thermostat - wholesale price, user manual, troubleshooting, wiring diagram, Setting guide video, and alternatives

STC-8080A+ refrigeration defrosts thermostat is a high low limit temperature controller with 2 output relays.

Minimum order Amount: 200 USD

Features of STC 8080A+ temperature controller

  • The lower limit and the upper limit determine the target temperature range, from -40 to 50 °C; Set them directly by shortcut key;
  • Embed NVM to auto memory exists parameters, resume all data once power back, need not configure it again;
  • Adjustable Temperature Calibration;
  • Control the refrigeration by temperature and fixed delay time; the compressor works 15mins and stops 30 mins once sensor error;
  • Control the defrosting by time and the artificial forced-defrosting available;
  • Alarm by error code on display, and the buzzer screams;
  • Control the alarm by temperature.

Front Panel of STC-8080A+ Defrost Controller

STC-8080a temperature controller power on stc-8080a temperature controller

Wiring Diagram of STC-8080A+ Thermostat

2020 New Wiring Diagram of Digital temperature controller STC 8080A 4cm
2020 New Wiring Diagram of Digital temperature controller STC 8080A+


    1. The NC terminals (3# and 6#) indicates the Normally Closed point, not mean “always close point” as some temperature controller factories marked, please don’t misunderstand this; You may connect this terminal to a signal light, the light is normally on, and will auto off when the corresponding load running.
    2. You have to wire all live and null wires to each port/terminal; you may use the jumper wire conveniently.

The wiring diagram of 8080A is total as same as the 8080H, just like the below GIF shows. stc8080h defrost thermostat Wiring video by haswill 720

STC 8080a 4 Cooling and Defrosting Temperature Controller STC-8080A+ defrost thermostat Wiring Photo refrigerator and defrosting controller stc-8080A+ Wiring Diagram old STC-8080A+ Wiring Diagram

Function Menu of STC8080A+ Temperature Controller

F1Temperature for Startup RefrigeratorF250-10°C
F2Temperature for Stop Refrigerator-40F1-20°C
F3Temperature Calibration-550°C
F4Defrosting Cycle / Interval Time0998Hour
F5Defrosting Lasting /Duration Time09920Min
F6Exceeding Value more than F1 to Trigger Alarm05015°C
As a universal purpose defrost temperature controller, it offers the basic function as the above tables show. The unit with a fixed delay time to protect the compressor, visit STC-8080H if you need an editable protective time.

How to set the temperature?

The aimed temperature range was defined from "F1" to "F2" ; you need to set both.

  • F1, refrigeration starts.
  • F2, refrigeration ends.


  1. Hold the [SET] key for 3s, and the code F1 will appear.
  2. Press the [Up] or [Down] key to get the aim function you want to update;
  3. Press the [SET] key to check the existing value; Hold the [SET] key meanwhile press the [Up] or [Down] key (composite key) to change the value;
  4. Release all keys once it reaches your aim value; Repeat operation from Step 2 / 3 / 4 to adjust other parameters;
  5. After configuring all values, press the [RST] key to save data and back to normal monitor status. Attention: the modified value will be saved automatically and back to normal status if without operation in 30 seconds.


Video Tutorial of STC8080A+ Operation & Setting

The operation and setting method of the 8080A+ is just as same as the 8080H defrosting controller, the setting tutorial video as follow This video also available in other languages voices, select it from the Upper-Right Corner of the below video

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STC 8080A+ Error Code and Trouble-Shoot

  • E1: memory unit broken
  • E2: thermistor error
  • HH: 99°C < Instant temp. < 120°C
Most errors could be solved by replacing a new sensor, please find more solutions from the below user manual.

STC-8080A+ Temperature Controller User Manual Download

Please be aware that the English page only displays the English version of the user manual, please switch to the corresponding language page to download the PDF manual in other languages.

Note: This User instruction was created based on the Elitech STC-8080A thermostat, we can not assure you this brochure also works for the same models from other manufacturers.


FAQ of Haswill Compact Panel Thermostat

  1. How to avoid buying Inferior temperature controllers?
    here is a simple method, that does not require professional knowledge.
  2. How to get the price?
    Click the inquiry button, and finish the form, You will get a reply in a few hours.
  3. Celsius VS Fahrenheit; and Voltage
    All of our digital temperature controllers default in Celsius degrees, and part of them is available in Fahrenheit with different minimum order quantities;
    Besides the 220V AC (±15%), these electronic temperature controllers also are available in 110V AC, 12V DC, and 24V DC (110 / 24 /12 Volts ).
  4. Parameter Comparison
    Catalog of Compact panel digital temperature controllers
  5. Package
    The standard package could load 100 PCS / CTN digital temperature controllers.
  6. Accessories
    We suggest you buy 5% ~ 10% spare parts like clips and sensors as stock.
  7. Warranty
    Default one-year (extendable) quality warranty to all our controllers, We will offer a free-of-charge replacement if found a quality defect.
  8. Customization Service
    If you can not find a suitable temperature controller on this website, We will help you develop it based on our existing mature products ;
    Thanks to China's complete set of related industry chains, our customized thermostats are of high quality and low price;
    the MOQ is usually from 1000 pieces. don't hesitate to contact us for customization services.

or more questions? Click FAQs

Minimum order Amount: 200 USD


Regarding the voltage of this electronic temperature controller

  • 220V AC (±15%) as the default, Without MOQ (minimum order quantity) requirement;
  • 110V AC (±15%) with MOQ 200 PCS;
  • 12V DC with MOQ 200 PCS;
  • 24V DC Without MOQ requirement;

As one of the distributors of Elitech, Haswill Electronics offers the Original Elitech Brand version at a competitive price.

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