1. Ifihan
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Vaillant VEH50 4-3 PRO 50L ELOSTOR electric water heater. Please read these instructions carefully before installation and use, and keep them for future reference. Proper adherence to these guidelines will ensure optimal performance and longevity of your appliance.
2. Alaye Aabo
Pataki: Always observe local regulations and standards for electrical and plumbing installations. Installation and maintenance should only be performed by qualified professionals.
- Disconnect the power supply before any installation, maintenance, or repair work.
- Ensure the water heater is properly grounded.
- Ma ṣe ṣiṣẹ ẹrọ igbona omi ti o ba bajẹ tabi ti ko ṣiṣẹ.
- Jeki awọn ohun elo flammable kuro ninu ohun elo naa.
- The water heater contains a safety thermostat and a hydraulic safety system to prevent overheating and overpressure. Do not tamper pẹlu awọn ẹrọ ailewu.
- Ohun elo yii kii ṣe ipinnu fun lilo nipasẹ awọn eniyan (pẹlu awọn ọmọde) pẹlu idinku ti ara, imọlara tabi awọn agbara ọpọlọ, tabi aini iriri ati imọ, ayafi ti wọn ba ti fun wọn ni abojuto tabi itọnisọna nipa lilo ohun elo nipasẹ eniyan ti o ni iduro fun aabo wọn.
3. Ọja Ipariview
The Vaillant VEH50 4-3 PRO 50L ELOSTOR is a modern, efficient electric water heater designed to provide reliable hot water. It features a 50-liter capacity, coated heating elements for enhanced durability, and flexible installation options. The appliance is equipped with advanced insulation to minimize heat loss and an anti-freeze protection system.

Aworan 3.1: Iwaju view of the Vaillant VEH50 4-3 PRO 50L ELOSTOR Electric Water Heater.
4. Eto (Fifi sori ẹrọ)
The Vaillant VEH50 4-3 PRO 50L ELOSTOR water heater is designed for wall-mounted installation. It offers flexible installation, allowing for vertical or horizontal mounting without compromising performance. This flexibility applies to all Pro range models except the 30L version.
4.1 Iṣagbesori Location
Choose a suitable location that can support the weight of the water heater when full. Ensure adequate space for maintenance and access to connections. The location should be protected from freezing temperatures, although the unit has an anti-freeze function.
4.2 Mefa ati awọn isopọ
Refer to the diagram below for detailed dimensions and connection points. Ensure all plumbing and electrical connections are made according to local codes and by a certified professional.

Image 4.1: Diagram showing the dimensions (in mm) and connection points for the Vaillant eloSTOR pro water heaters, with the VEH 50 model highlighted. Key dimensions include height (F), width (A), and depth (B).
For the VEH 50 model, the dimensions are approximately: Width (A) 440 mm, Depth (B) 455 mm, Height (F) 610 mm. The diagram also illustrates the water inlet and outlet connections (G ½).
4.3 Itanna Asopọ
Connect the water heater to a dedicated electrical circuit with appropriate overcurrent protection. The unit operates on 220 Volts (AC) and has a power rating of 2000 Watts. All electrical work must comply with national and local electrical codes.
5. Awọn ilana Iṣiṣẹ
Once installed and filled with water, the water heater is ready for operation. The unit is designed for user-friendly operation.
5.1 Ibẹrẹ Ibẹrẹ
- Ensure the water heater is completely filled with water before switching on the power. Open a hot water tap to allow air to escape until water flows steadily.
- Restore power to the unit. The water heater will begin heating the water to the set temperature.
5.2 Atunṣe iwọn otutu
Adjust the desired water temperature using the thermostat control, typically located on the front or bottom of the unit. Refer to the specific markings for temperature ranges. The unit has a temperature range of 7-70°C.
5.3 Ààbò fún dídì
The water heater is equipped with an automatic anti-freeze protection system. If the internal water temperature drops to approximately 5°C, the heating element will activate to prevent freezing, even if the unit is not actively set to heat water.
6. Itọju
Regular maintenance ensures the efficient and safe operation of your Vaillant water heater. Disconnect power before performing any maintenance.
6.1 Descaling and Inspection
The Vaillant VEH50 4-3 PRO features coated heating elements, which are particularly recommended for areas with hard water as they reduce scale buildup and facilitate maintenance. However, periodic inspection and descaling of the tank and heating element are still recommended, especially in very hard water areas. This should be performed by a qualified technician.
6.2 Anode Rod Check
The sacrificial anode rod protects the tank from corrosion. It should be inspected and replaced periodically by a qualified technician, typically every 1-3 years, depending on water quality.
6.3 Titẹ Relief àtọwọdá
Periodically check the pressure relief valve (T&P valve) to ensure it is not blocked and is functioning correctly. Follow the manufacturer's instructions for testing the valve.
7. Laasigbotitusita
Ṣaaju ki o to kan si atilẹyin alabara, tunview awọn wọnyi wọpọ oran ati awọn solusan.
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| Ko si omi gbona | Ko si agbara; thermostat ṣeto ju kekere; tripped Circuit fifọ; mẹhẹ alapapo ano. | Ṣayẹwo ipese agbara ati ẹrọ fifọ. Ṣatunṣe iwọn otutu. Ti iṣoro ba wa sibẹ, kan si onisẹ ẹrọ ti o peye. |
| Omi gbigbona ti ko to | A ti mú kí thermostat náà lọ sílẹ̀ jù; lílo omi gbígbóná jù; ìkórajọ àwọn ohun èlò ìdọ̀tí. | Increase thermostat setting. Reduce hot water demand. Consider professional descaling. |
| Omi gbona ju | Thermostat set too high; faulty thermostat. | Lower thermostat setting. If problem persists, contact a qualified technician. |
| Njo lati kuro | Loose connections; faulty T&P valve; tank corrosion. | Tighten connections. Test or replace T&P valve. For tank corrosion, contact a qualified technician immediately. |
| Awọn ariwo dani | Erofo buildup ni ojò. | Professional descaling may be required. |
For issues not listed or if solutions do not resolve the problem, contact Vaillant customer support or a certified service technician.
8. Awọn pato
Detailed technical specifications for the Vaillant VEH50 4-3 PRO 50L ELOSTOR electric water heater.
| Sipesifikesonu | Iye |
|---|---|
| Brand | Vaillant |
| Nọmba awoṣe | 00 1002 3313 |
| Agbara | 50 liters |
| Awọn iwọn (L x W x H) | 44 x 44 x 61 cm |
| Ijinle Nkan | 455 milimita |
| iwuwo (sofo) | 18.2 kg |
| Orisun agbara | Itanna |
| Agbara | 2000 Wattis |
| Voltage | 220 Volt (AC) |
| Ohun elo | Titanium |
| Oṣuwọn Sisan ti o pọju | 7 liters fun iseju |
| Agbara Agbara Kilasi | C |
| Consumer Profile | M |
| Iru fifi sori ẹrọ | Odi-agesin |
| Àwọ̀ | Funfun |
| Pataki Awọn ẹya ara ẹrọ | Energy efficiency, flexible installation, coated heating elements for hard water |

Image 8.1: Reference table showing characteristics for various Vaillant eloSTOR pro models, with the VEH 50/4-3 model highlighted, confirming specifications such as capacity, power, and weight.
9. Atilẹyin ọja ati Support
For warranty information, please refer to the documentation provided with your purchase or visit the official Vaillant website. In case of technical issues, questions, or to schedule service, please contact Vaillant customer support or your authorized dealer. Ensure you have your model number (VEH50 4-3 PRO) and manufacturer reference (00 1002 3313) available when contacting support.