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TESY Manuals & User Guides

TESY is a leading European manufacturer of electric water heaters, indirectly heated water tanks, and electric heating appliances, known for smart innovation and energy efficiency.

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About TESY manuals on Manuals.plus

Founded in 1990 and part of the Ficosota holding, TESY is a major Bulgarian manufacturer with five factories located in Shumen and Smyadovo. The company has established itself as one of Europe's largest producers of electric water heaters, indirectly heated water tanks, and domestic heating appliances. TESY is dedicated to bringing innovative solutions to the market, including Internet-controlled appliances via the MyTESY and TesyCloud apps.

The TESY product portfolio includes a wide range of electric convector heaters, oil-filled radiators, bathroom heaters, and heat pump water heaters. Their products are distributed globally and are designed to meet strict safety and environmental standards while providing comfort and energy savings for households.

TESY manuals

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TESY LB1509E03TR Oil Radiator Heater User Manual

LB1509E03TR • October 11, 2025
Comprehensive user manual for the TESY LB1509E03TR Oil Radiator Heater, including safety instructions, setup, operation, maintenance, troubleshooting, and specifications.

TESY support FAQ

Common questions about manuals, registration, and support for this brand.

  • How do I connect my TESY appliance to the internet?

    Download the MyTESY or TesyCloud app, create an account, and follow the "Add Cloud Appliance" instructions. You will typically need to scan the QR code located near the rating plate of the device and connect it to your local Wi-Fi network.

  • Where can I find the rating plate on my TESY heater?

    The rating plate acts as the device's ID and is usually located on the side or bottom of the unit. It contains the serial number, model information, and often the QR code for Wi-Fi setup.

  • Can I install my TESY water heater myself?

    For safety and warranty validity, TESY appliances should be installed and connected by a qualified electrician or technician in accordance with the user manual and local regulations.

  • What should I do if my electric radiator overheats?

    TESY ensuring safety features typically include a thermo turn-off device. If the appliance overheats, it will shut off automatically. Ensure the air inlets and outlets are free of dust and verify that no objects effectively block the unit before restarting.