1. Увод
The Tetra HT 300 is a fully submersible aquarium heater designed to maintain a stable water temperature in aquariums ranging from 300 to 450 liters. This heater features an automatic shut-off mechanism for safety and precise temperature control, ensuring optimal conditions for your aquatic inhabitants.
Please read this manual carefully before installation and operation to ensure safe and efficient use of your Tetra HT 300 heater.
2. Безбедносна упутства
- Always disconnect the heater from the power supply before performing any maintenance, cleaning, or handling inside the aquarium.
- Ensure the heater is fully submerged in water before connecting it to the power supply. Never operate the heater outside of water.
- The heater is equipped with an automatic shut-off system that activates if the heater is removed from the water while powered. However, always unplug it first.
- Do not use the heater if the glass tube is cracked or damaged.
- Keep the power cord away from sharp edges and hot surfaces. Do not bend or pinch the cord.
- Овај уређај није намењен за употребу од стране особа (укључујући децу) са смањеним физичким, чулним или менталним способностима, или недостатком искуства и знања, осим ако им је дат надзор или упутства о употреби уређаја од стране особе одговорне за њихову безбедност.
- Уверите се да је волtage indicated on the heater matches your local power supply.
- Само за унутрашњу употребу.
3. Садржај пакета
Проверите да ли су све компоненте присутне у пакету:
- 1x Tetra HT 300 Aquarium Heater
- 2x Suction Cups for mounting
- Упутство за употребу (овај документ)
4. Карактеристике производа
- Снага: 300 Watts, suitable for aquariums from 300 to 450 liters.
- Прецизна контрола температуре: Adjustable from 19°C to 31°C (66.2°F to 87.8°F) with a notched knob for 0.5° increments.
- Потпуно потопљено: Watertight cap allows for complete immersion.
- Borosilicate Glass Tube: 2 mm thick, shock-resistant and heat-resistant.
- Аутоматско искључивање: Safety system cuts power if the heater is removed from water.
- Светло индикатора: Светли када грејач активно греје.
- Сигурна монтажа: Two strong suction cups for stable placement.
- Дугачки кабл за напајање: 1.6 meters (approximately 5.25 feet) for flexible installation.
- Сертификати: TÜV/GS and CE certified for safety and quality.
5. Подешавање и инсталација
- Распакујте грејач: Carefully remove the heater and all accessories from the packaging. Inspect for any visible damage.
- Причврстите усисне чаше: Securely attach the two suction cups to the heater body.
- Поставите грејач:
Place the heater vertically or diagonally in the aquarium, ensuring it is fully submerged. Choose a location with good water circulation to distribute heat evenly. Avoid placing it directly in the substrate or against the aquarium glass where it might be covered by decorations.

Image: The Tetra HT 300 heater shown installed vertically within an aquarium, demonstrating proper submersion and placement for optimal heat distribution.
- Повежите се са напајањем: Once the heater is correctly positioned and fully submerged, plug the power cord into a suitable electrical outlet.
6. Упутство за употребу
- Подесите жељену температуру:
Rotate the notched knob at the top of the heater to select your desired water temperature. The temperature range is from 19°C to 31°C (66.2°F to 87.8°F). Each click represents a 0.5°C adjustment.

Слика: Детаљна view of the temperature adjustment knob on the Tetra HT 300 heater, showing the clear markings for setting the desired temperature.
- Индикаторска лампица монитора: The red indicator light on the heater will illuminate when the heating element is active and warming the water. It will turn off once the set temperature is reached.
- Проверите температуру: Use a separate, accurate aquarium thermometer to verify the actual water temperature. Adjust the heater's setting if necessary to achieve the desired temperature. Allow several hours for the water temperature to stabilize after any adjustment.
7. Одржавање
- Редовно чишћење: Over time, algae and mineral deposits may accumulate on the heater's surface. Disconnect the heater from power and remove it from the aquarium. Gently clean the glass tube with a soft cloth or sponge and warm water. Do not use harsh chemicals or abrasive materials.
- Прегледајте има ли оштећења: Periodically inspect the heater for any signs of damage, such as cracks in the glass, frayed power cords, or loose connections. If any damage is found, discontinue use immediately and replace the heater.
- Провера вакуумске чашице: Уверите се да вакуумске чашице остају чврсто причвршћене за стакло акваријума. Замените их ако изгубе свој хват.
КСНУМКС. Решавање проблема
| Проблем | Могући узрок | Решење |
|---|---|---|
| Heater not heating (indicator light off) |
|
|
| Water temperature too high/low |
|
|
| Heater removed from water, but still powered | Сигурносно искључивање је активирано | Unplug the heater immediately. Allow it to cool down before re-submerging and plugging back in. Always unplug before handling. |
9. Спецификације
| Назив модела | ХТ 300 |
| Број модела | 606494 |
| Бранд | Тетра |
| Повер | 300 Ваттс |
| Волtage | 230 Волтс |
| Капацитет акваријума | 300 - 450 литара |
| Температурни опсег | 19°C - 31°C (66.2°F - 87.8°F) |
| Материјал | Боросилицате Гласс |
| Дужина кабла за напајање | 1.6 метара |
| Цертификати | ТУВ/ГС, ЦЕ |
10. Гаранција и подршка
The Tetra HT 300 Aquarium Heater comes with a 2 година гаранције од дана куповине. Ова гаранција покрива недостатке у материјалу и изради при нормалној употреби.
For warranty claims, technical support, or further assistance, please contact Tetra customer service through their official webсајт или продавца где је производ купљен. Молимо вас да сачувате доказ о куповини ради потврде гаранције.
Напомена: Damage resulting from improper installation, misuse, neglect, or unauthorized modifications is not covered under warranty.





