AKO thermostats are precision-engineered temperature control devices widely used in commercial, industrial, and residential refrigeration systems. Known for their reliability, user-friendly interface, and cutting-edge technology, AKO thermostats help maintain accurate temperatures in a wide range of applications.
In this comprehensive AKO thermostat manual, you’ll find everything you need—from installation to programming, error troubleshooting, and maintenance tips. Whether you’re a technician, installer, or end-user, this guide is tailored to ensure you get the best out of your AKO device.
1. What is an AKO Thermostat?
1.1 Overview
AKO thermostats are electronic devices designed to control temperature in refrigeration and HVAC systems. They are manufactured by AKO Electromecánica, a Spanish company with a strong reputation in the temperature control industry.
1.2 Common Models
Some of the popular AKO thermostat models include:
- AKO-D14123
- AKO-D14124
- AKO-D14918
- AKO-D14323
- AKO-16523
Each model serves a specific function but generally follows a similar configuration and user interface, which this AKO thermostat manual will cover.
2. AKO Thermostat Installation Guide
2.1 Safety Precautions
Before installation, ensure:
- The power supply is disconnected.
- You’re grounded to avoid static damage.
- You follow local electrical regulations.
2.2 Tools Needed
- Screwdriver
- Wire stripper
- Drill (if wall-mounted)
- User manual for wiring diagrams
2.3 Step-by-Step Installation
- Mounting: Install the thermostat on a flat surface. If it’s a panel model, embed it in the control panel following dimension specifications.
- Wiring: Use the wiring diagram in the model’s manual. Connect the power supply, sensors, and load (e.g., compressor or fan).
- Sensor Placement: Place the sensor in a location free from direct airflow or light to ensure accurate temperature readings.
- Power On: Once all connections are secured, power on the device.
3. Understanding the Display and Buttons
3.1 AKO Thermostat Interface
Most AKO thermostats feature:
- LED Display: Shows the current temperature or settings.
- Three or Four Buttons: Typically used for setting temperature, accessing the menu, or initiating defrost cycles.
3.2 Button Functions
| Button | Function |
|---|---|
| SET | Enter menu or confirm settings |
| UP (▲) | Increase value or scroll up |
| DOWN (▼) | Decrease value or scroll down |
| DEF or AUX | Initiates manual defrost or auxiliary function |
4. How to Program Your AKO Thermostat
4.1 Accessing Programming Mode
- Hold the SET button for 5 seconds.
- Use ▲/▼ to navigate through parameters.
- Press SET to enter a parameter.
- Adjust values with ▲/▼.
- Press SET again to confirm.
4.2 Common Parameters
| Code | Description | Range | Default |
|---|---|---|---|
| SP | Set Point (target temperature) | Depends on model | 0°C |
| dF | Differential | 0.1 – 20°C | 2°C |
| cF | Temperature unit (C/F) | C / F | C |
| dt | Defrost time | 1–120 mins | 20 mins |
| it | Interval time between defrosts | 0–255 hrs | 6 hrs |
4.3 Saving Settings
To save settings and exit programming:
- Press and hold SET for 5 seconds, or
- Wait 30 seconds for auto-exit
5. Setting the Temperature (Set Point)
5.1 Simple Adjustment
To quickly change the setpoint:
- Tap the SET button (don’t hold).
- Display will flash the current setpoint.
- Use ▲/▼ to adjust.
- Press SET to confirm.
5.2 Best Practices
- For refrigeration: set between -2°C to +4°C.
- For freezing applications: use -18°C or lower.
- Always consider product type and insulation.
6. Defrost Settings and Modes
6.1 Types of Defrost
- Electric Defrost: Uses heating elements.
- Hot Gas Defrost: Utilizes system gas rerouting.
- Off-cycle Defrost: Stops compressor to allow passive thawing.
6.2 Programming Defrost
- Set dt (duration), it (interval), and dE (defrost end temperature).
- Optional: configure manual defrost with DEF button.
6.3 Manual Defrost
To initiate:
- Press and hold the DEF button (usually 5 seconds).
7. Alarm Codes and Troubleshooting
7.1 Common Error Codes
| Code | Meaning | Solution |
|---|---|---|
| E1 | Sensor failure | Check or replace sensor |
| LO | Temp below limit | Adjust SP or check equipment |
| HI | Temp above limit | Check door seals or system load |
| dA | Defrost alarm | Verify dt and it parameters |
| P1 | Probe 1 error | Replace or rewire sensor |
7.2 Troubleshooting Steps
- Check Sensor Wiring: Loose or damaged wires are common causes.
- Inspect Probe Location: Misplaced sensors cause false readings.
- Reset to Factory Settings:
- Enter programming mode.
- Look for “rSt” or “FAC” parameter.
- Set it to “YES” and confirm.
8. Maintenance Tips for Long Life
8.1 Regular Cleaning
- Wipe the screen with a dry cloth.
- Avoid moisture ingress into buttons and terminals.
8.2 Periodic Checks
- Ensure probes are secured.
- Inspect wiring and terminals for corrosion.
- Test system shutdown and defrost functionality monthly.
8.3 Software Updates
Some AKO models allow firmware upgrades via USB or network interfaces (for advanced or smart models). Refer to the specific AKO thermostat manual PDF provided with your model.
9. AKO Thermostat Manual PDF Downloads
For full model-specific manuals, visit:
- AKO Electromecánica Official Website
- Navigate to Support > Documentation
- Use your model number (e.g., AKO-D14123) to find the corresponding manual
Ensure you download the correct language version, usually available in English, Spanish, and French.
10. AKO Thermostat Wi-Fi and Smart Features
10.1 Remote Monitoring (Smart Models)
Select AKO thermostats support:
- Wi-Fi connectivity
- AKONet Cloud Monitoring
- Remote access via web or mobile app
10.2 Configuration via App
- Download the AKONet App.
- Pair via QR code or serial number.
- Access temperature logs, alarms, and remote settings.
These features are typically available in commercial models like AKO-16523 or similar.
11. Common Applications of AKO Thermostats
11.1 Commercial Refrigeration
- Supermarkets
- Cold rooms
- Display fridges
11.2 Industrial Cooling
- Food processing plants
- Pharmaceutical storage
- Ice factories
11.3 Residential Use
- Wine cellars
- Smart home integration (via relays)
12. Frequently Asked Questions (FAQs)
Q1: How do I reset my AKO thermostat to factory settings?
Enter programming mode, find the rSt or FAC parameter, set it to YES, and confirm.
Q2: Why is my AKO thermostat not turning on the compressor?
Check the setpoint and differential settings. Also, inspect wiring and load capacity.
Q3: Can I use an AKO thermostat with a freezer?
Yes. Set the SP to -18°C or lower and ensure defrost settings are enabled.
Q4: What should I do if the screen is blank?
Check the power supply and fuses. If all connections are correct, the device may be faulty.
Conclusion
An AKO thermostat is a robust and flexible tool that offers precise temperature management across various environments. Whether you’re installing a new unit or troubleshooting an existing one, this AKO thermostat manual serves as your one-stop guide for optimal performance.