1. Introducció i finalview
This manual provides essential information for the installation, operation, and maintenance of your Atlantic Electric Water Heater, 100 Litre capacity, Model ITM-864026. Please read these instructions carefully before installation and use to ensure safe and efficient operation of the appliance.
The Atlantic O'Pro Combi electric water heater is designed to provide hot water for domestic use. It features an exclusive protection system for extended lifespan, including a magnesium anode and an advanced enamel layer for enhanced corrosion resistance, while adhering to safety standards and promoting energy efficiency.

Figura 1: Atlantic Electric Water Heater 100 Litre. This image shows the cylindrical design of the water heater, featuring a temperature gauge on the front panel and the Atlantic brand logo.
2. Informació de seguretat
Your safety and the safety of others are paramount. Please observe all safety warnings and instructions provided in this manual. Failure to do so may result in property damage, personal injury, or death.
- Instal·lació professional: Installation and maintenance must be performed by qualified personnel in accordance with local regulations and this manual.
- Seguretat elèctrica: Ensure the power supply matches the specifications of the water heater. Do not operate the heater with a damaged power cord or plug.
- Pressió de l'aigua: The maximum operating pressure is 8 Bars. A pressure relief valve is included and must be installed to prevent excessive pressure buildup.
- Control de temperatura: Exercise caution when adjusting water temperature to prevent scalding.
- IP 23 Safety Standard: This heater complies with the IP 23 safety standard, indicating protection against solid objects over 12.5mm and sprays of water.
- Nens i persones vulnerables: Aquest aparell el poden utilitzar nens a partir de 8 anys i persones amb capacitats físiques, sensorials o mentals reduïdes o amb manca d'experiència i coneixements si han rebut supervisió o instruccions sobre l'ús de l'aparell d'una manera segura i entenen els perills que comporta. . Els nens no han de jugar amb l'aparell. La neteja i el manteniment dels usuaris no els han de fer els nens sense supervisió.
3. Característiques del producte
The Atlantic Electric Water Heater is equipped with several features designed for performance, durability, and user convenience:
- Cylindrical Design: The heater features a cylindrical shape suitable for various indoor installations.
- Operació fàcil d'utilitzar: Designed for ease of use with simple mechanical controls for temperature adjustment.
- Eficiència energètica: Includes an insulating layer, an external thermostat, and precise temperature control to optimize energy consumption and reduce operating costs.
- Visualització de la temperatura: A flat chrome-plated thermometer provides clear temperature readings.
- High Performance Coil: Equipped with a high-performance heating coil for efficient water heating.
- O'Pro Anti-Corrosion System: An exclusive system that permanently fights rust, significantly extending the tank's lifespan.
- Ànode de magnesi: Enhances the protection of the tank against corrosion.
- Vàlvula d'alleujament de pressió: A critical safety component to manage internal pressure.
- Specific Lip Gasket: Designed to prevent corrosion around the flange area.
4. Configuració i instal·lació
Proper installation is crucial for the safe and efficient operation of your water heater. It is strongly recommended that installation be carried out by a qualified professional.
4.1 Desembalatge
Carefully remove the water heater from its packaging. Inspect for any signs of damage during transit. Retain packaging materials for potential future transport or return.
4.2 Triar una ubicació d'instal·lació
The water heater is designed for indoor installation. Select a location that is:
- Close to the main hot water demand points to minimize heat loss.
- Protegit de les temperatures de congelació.
- Capable of supporting the full weight of the heater when filled with water (approximately 128 kg for the 100 Litre model).
- Accessible for maintenance and servicing.
4.3 Muntatge de l'escalfador
The heater is typically wall-mounted. Use appropriate wall anchors and the provided nails (if applicable) to securely fasten the heater to a sturdy wall structure. Refer to the dimensions diagram for proper spacing and clearances.

Figura 2: Technical data and installation dimensions for Atlantic O'Pro water heaters. This diagram provides detailed measurements (A, B, C, D, E, F) for installation, along with a table of technical specifications including power, energy consumption, and maximum temperature for different models.
4.4 Connexions de fontaneria
- Connect the cold water inlet to the designated port (usually marked blue).
- Connect the hot water outlet to the designated port (usually marked red).
- Install the pressure relief valve on the cold water inlet line, as close to the heater as possible. Ensure the discharge pipe from the relief valve is directed downwards and terminates in a safe place.
- Flush the system thoroughly to remove any debris before connecting the heater.
4.5 Connexions elèctriques
Electrical wiring must be performed by a licensed electrician. Ensure the power supply is disconnected before making any connections.
- Connect the heater to a dedicated electrical circuit with appropriate overcurrent protection.
- Assegureu-vos de posar a terra correctament l'aparell.
- Comproveu que totes les connexions estiguin segures i aïllades.
5. Instruccions de funcionament
5.1 Inici inicial
- Ensure all plumbing connections are tight and there are no leaks.
- Open a hot water faucet in your home to allow air to escape from the tank.
- Slowly open the cold water supply valve to the water heater.
- Allow the tank to fill completely until water flows steadily from the open hot water faucet. Close the faucet.
- Restaura l'energia elèctrica a l'escalfador d'aigua.
5.2 Ajust de temperatura
The water heater features simple mechanical controls for adjusting the temperature. Locate the external thermostat dial (if present) or control panel. Turn the dial to your desired temperature setting. The flat chrome-plated thermometer will indicate the current water temperature.
Precaució: Setting the temperature too high can cause severe burns. It is recommended to set the temperature to the lowest comfortable setting to save energy and prevent scalding.
5.3 Funcionament normal
Once powered on and filled, the heater will automatically maintain the set water temperature. The heating element will cycle on and off as needed. Hot water will be available at your fixtures.
6. Manteniment
Regular maintenance ensures the longevity and efficient operation of your Atlantic water heater. Always disconnect power to the unit before performing any maintenance.
6.1 Annual Inspection by a Professional
It is recommended to have your water heater inspected annually by a qualified technician. This inspection should include:
- Checking the pressure relief valve for proper operation.
- Inspecting the magnesium anode for depletion and replacing it if necessary. The anode is crucial for corrosion protection.
- Checking for leaks at connections and fittings.
- Inspecting electrical connections.
6.2 Draining the Tank (if required)
To drain the tank for maintenance or if the heater will be out of use in freezing conditions:
- Desconnecteu l'alimentació elèctrica de l'escalfador d'aigua.
- Close the cold water supply valve to the heater.
- Open a hot water faucet in your home to relieve pressure and allow air into the tank.
- Connect a hose to the drain valve at the bottom of the heater and direct it to a suitable drain.
- Open the drain valve and allow the tank to empty completely.
- Once drained, close the drain valve and hot water faucet.
7. Solució De Problemes
Abans de contactar amb el servei d'atenció al client, si us plauview els següents problemes comuns i les seves possibles solucions:
| Problema | Causa possible | Solució |
|---|---|---|
| No hi ha aigua calenta o n'hi ha prou. |
|
|
| L'aigua és massa calenta. | El termòstat està massa alt. | Adjust thermostat to a lower setting. |
| Leaking from the heater. |
|
|
| Unusual noises from the heater. | Sediment buildup in the tank. | Drain and flush the tank (refer to Maintenance section). If noise persists, contact a technician. |
If you are unable to resolve an issue using this troubleshooting guide, please contact a qualified service technician.
8. Especificacions
Technical specifications for the Atlantic Electric Water Heater 100 Litre, Model ITM-864026:
| Especificació | Valor |
|---|---|
| Marca | Atlàntic |
| Número de model | ITM-864026 |
| Capacitat | 100 litres |
| Font d'alimentació | Elèctric |
| Material | Acer d'aliatge |
| Color | Blanc |
| Estil | Instal·lació interior |
| Pes de l'article | 28 quilos |
| Dimensions del producte (amplada x alçada) | 45W x 95H centimeters (45 x 45 x 95 cm) |
| Pressió màxima | 8 barres |
| Característiques especials | Vàlvula d'alliberament de pressió |
| Components inclosos | Nails (for installation) |
| Eficiència | Alta eficiència |
9. Garantia i Suport
For warranty information, please refer to the documentation provided at the time of purchase. This typically includes details on warranty duration, coverage, and terms and conditions.
Should you require technical assistance, spare parts, or service, please contact Atlantic customer support or your authorized dealer. Ensure you have your product model number (ITM-864026) and purchase date available when contacting support.





