1. Introduktion
Thank you for choosing the Quality Heating 30 Liter Performance QH WiFi Dual Electric Boiler. This manual provides essential information for the safe and efficient installation, operation, and maintenance of your new electric water heater. Please read this manual thoroughly before installation and use, and keep it for future reference.

Figure 1: Quality Heating 30 Liter Performance QH WiFi Dual Electric Boiler. This image shows the sleek black cylindrical design of the boiler with a digital control panel at the bottom and various certification stickers (2-year warranty, Wi-Fi, Energy Class A, CE mark) on the upper right side.
2. Sikkerhedsinstruktioner
Please observe the following safety precautions to prevent injury, damage to property, or damage to the appliance.
- Professionel installation: Installation og vedligeholdelse skal udføres af kvalificeret personale i overensstemmelse med lokale regler og standarder.
- Elektrisk sikkerhed: Ensure the power supply matches the boiler's requirements (1500 Watt). The appliance must be properly grounded. Do not operate with damaged cords or plugs.
- Vandtryk: Ensure water pressure is within the recommended limits for the appliance.
- Temperatur: Hot water can cause severe burns. Exercise caution when using hot water.
- Børn og udsatte personer: Dette apparat kan bruges af børn i alderen 8 år og derover og personer med nedsatte fysiske, sensoriske eller mentale evner eller mangel på erfaring og viden, hvis de har fået opsyn eller instruktion i brugen af apparatet på en sikker måde og forstår de involverede farer. .
- Beskyttelsesfunktioner: The boiler is equipped with 6 layers of advanced protection, including overheating, dry heating, overpressure, corrosion, electrical safety, and thermostat regulation. Do not bypass or tamper with these safety features.

Figure 2: Diagram illustrating the 6 advanced protection layers of the boiler. These include overheating protection, dry heating protection, overpressure protection, corrosion protection, electrical protection, and thermostat regulation, ensuring safe operation.
3. Produktet er slutview
3.1 Nøglefunktioner
- Kapacitet: 30 Liters, suitable for single-person households or specific applications.
- Magt: 1500 Watt heating element for efficient water heating.
- Energieffektivitet: Energy Class A rating, featuring a 40mm insulating foam layer with a conductivity coefficient of λ=0.22, resulting in minimal heat loss (less than 0.2 °C per hour).
- Digital Control & WiFi: Equipped with a digital control panel and WiFi connectivity for remote management via a smartphone application.
- Smart Key Technology: Learns weekly usage habits to ensure hot water is available precisely when needed, optimizing energy consumption.
- Temperaturområde: Adjustable water temperature between 40°C and 80°C with a precision thermostat.
- Holdbar konstruktion: Made from alloyed steel for longevity.
- Alsidig anvendelse: Ideal for areas without gas connections such as apartments, hair salons, riding schools, garages, kitchens, and bathrooms.
3.2 Komponenter
The Quality Heating Electric Boiler consists of the main tank, heating elements, digital control panel, water inlet and outlet, and mounting brackets.

Figure 3: Diagram illustrating the efficient water circulation within the boiler. Cold water enters through the blue inlet, is heated in the tank, and exits as hot water through the red outlet, ensuring continuous hot water supply.

Figure 4: The EU Energy Label for the Quality Heating QHW-30B3 30L boiler, indicating an Energy Class A rating and an annual energy consumption of 461 kWh.
4. Installation
The Quality Heating Electric Boiler is designed for indoor, wall-mounted installation. Due to the nature of electrical and plumbing work, professional installation is highly recommended to ensure safety and compliance with local building codes.
4.1 Tjekliste før installation
- Verify that the chosen installation location is suitable for wall mounting and can support the weight of the boiler when full (approx. 30 kg water + boiler weight).
- Ensure adequate clearance around the boiler for maintenance and ventilation.
- Confirm availability of appropriate electrical and water connections.
- Inspect the boiler for any visible damage before installation.
4.2 Montering og tilslutninger
- Securely mount the boiler to a sturdy wall using the provided mounting hardware. Refer to the installation diagram for precise measurements and bracket placement.
- Connect the cold water inlet (blue) and hot water outlet (red) to your plumbing system. Ensure all connections are watertight.
- Connect the boiler to a dedicated electrical circuit with appropriate overcurrent protection.
- Fill the boiler with water before switching on the power supply to prevent dry heating.

Figure 5: Installation diagram showing the boiler dimensions (67 cm height, 28 cm width, 52 cm depth) and a technician performing installation. The image emphasizes easy installation with included mounting elements and technical support.
5. Betjeningsvejledning
5.1 Digital kontrolpanel
The boiler features an intuitive digital control panel for easy operation.
- Tænd/sluk: Press the power button to turn the boiler on or off.
- Temperaturjustering: Use the up/down arrows to set your desired water temperature between 40°C and 80°C. The display will show the current and target temperatures.
- Valg af tilstand: Select different operating modes if available (e.g., Eco, Fast Heat).

Figure 6: Image showing the boiler's digital control panel and a user interacting with the companion smartphone application. The app allows for remote temperature adjustment and smart mode activation, available on Android and iOS.
5.2 WiFi-forbindelse og app-kontrol
Connect your boiler to your home WiFi network to control it remotely via the Quality Heating smartphone application (available for Android and iOS).
- Download the "Quality Heating" app from your device's app store.
- Follow the in-app instructions to pair your boiler with your smartphone.
- Once connected, you can adjust temperature, activate Smart Mode, and monitor the boiler's status from anywhere.

Figure 7: This image highlights the "Smart Key Technology" feature, which allows the boiler to learn and adapt to your weekly hot water usage patterns, ensuring hot water is available when needed and optimizing energy use.
6. Vedligeholdelse
Regular maintenance ensures the longevity and efficient operation of your electric boiler.
- Årlig inspektion: It is recommended to have the boiler inspected annually by a qualified technician.
- Afkalkning: In areas with hard water, descaling may be necessary periodically to maintain efficiency. This should be performed by a professional.
- Rensning: Rengør kedlens yderside med en blød, tør klud.amp klæde. Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- Overtryksventil: Periodically check the pressure relief valve according to manufacturer guidelines to ensure it is not blocked and functions correctly.
7. Fejlfinding
Before contacting customer support, please refer to the following common issues and their potential solutions.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Intet varmt vand | No power; thermostat set too low; heating element failure. | Check power supply and circuit breaker; adjust thermostat setting; contact service technician. |
| Vand ikke varmt nok | Termostaten er indstillet for lavt; overdrevent varmtvandsforbrug; ophobning af sediment. | Increase thermostat setting; allow time for reheating; consider professional descaling. |
| Leaking from boiler | Løse forbindelser; defekt overtryksventil; korrosion i tanken. | Tighten connections; inspect/replace pressure relief valve; contact service technician for tank inspection. |
| Usædvanlige lyde | Sedimentophobning; defekt varmeelement. | Professional descaling may be required; contact service technician. |
8. Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | Kvalitetsopvarmning |
| Modelnummer | 295712361 |
| Kapacitet | 30 liter |
| Strømudgang | 1500 watt |
| Energikilde | Elektrisk (kablet) |
| Energiklasse | A |
| Isolering | 40mm foam, λ=0.22 conductivity coefficient |
| Temperaturområde | 40°C - 80°C |
| Forbindelse | WiFi |
| Materiale | Alloyed Steel |
| Installationstype | Indendørs, vægmonteret |
| Produktmål (HxBxD) | 67 cm (Højde) x 28 cm (Bredde) x 52 cm (Dybde) |
9. Garanti og support
Your Quality Heating Electric Boiler comes with a 2 års garanti fra købsdatoen, dækker fabrikationsfejl. Gem venligst din købsbevis i tilfælde af garantikrav.
For technical support, warranty claims, or any questions not covered in this manual, please contact Quality Heating customer service through the retailer where you purchased the product or visit the official Quality Heating webwebsted.