Controller TK-5a (for pressurized systems) – intelligent temperature and water level management for your solar system.

✔ Full installation control
✔ Automatic operation + manual mode
✔ Safety and energy efficiency

Key Functions:

✔ ⚡ Automatic self-diagnosis after startup
✔ 🕒 Built-in clock and work schedule
✔ 💧 Clear water level indicator (5 levels)
✔ 🌡️ Continuous water temperature measurement
✔ 🔥 Automatic heating (30–80°C)
✔ 🚨 Low water level alarm
✔ 🎛️ Manual heater and valve control
✔ 📅 Operation programming (2 cycles per day)
✔ ⚠️ Sensor failure alarm
✔ 🚿 "Turbo" function – support for low pressure
✔ ❄️ Anti-freeze protection
✔ 💾 Settings memory after power failure
✔ 🛡️ Dry-run protection
✔ 🔄 Overload protection

💡 Universal Application

Dedicated to pressurized systems: ARGOS, SOLARIS P, HYDRA P, HP

☀️ When there is not enough sun – it will automatically heat the water using an electric heater.

Technical Data:

Dimensions: 170 × 128 × 40 mm
Power supply: ~220 V (AC)
Power consumption: < 6 W
Temperature range: 0–99°C (±2°C)
Water level: 5 stages
Max. heater power: 3000 W
Max. pump / cable power: 500 W
Valve power supply: 12 V (DC)

Set includes:

✔ NTC10K temperature sensor (20m)

Advantages:

★ Recommended by installers
★ Safe and maintenance-free operation
★ Real energy savings

👉 Choose a proven solution and have full control over your installation!

User Manual:

User Manual - TK-5a

INFORMATION: Proper installation requires prior reading of the technical documentation. Guidelines regarding the connection of the temperature sensor and the configuration of the jumper replacing the water level sensor must be strictly followed.