1. Ọja Ipariview
The TESY BiLight Electric Hot Water Cylinder is an unvented hot water solution designed for energy-efficient hot water supply to multiple points of use. It incorporates Insutech technology to reduce heat loss by 16% compared to similar products, meeting high European Energy Efficiency, Quality, and Safety standards.
Awọn ẹya pataki pẹlu:
- Offers Low Cost, Energy Efficient Hot Water
- Patented Piston Effect to control refilling
- Glass Ceramic Coating for corrosion resistance and Freeze Protection
- Wall Mounted design, suitable for various settings including homes, businesses, kitchens, hairdressers, and camp ojula
- Light Indicator to show heating status
- Equipped with a Safety Temperature Pressure Valve
- Thermal Load Temperature Safety Cut Out for enhanced safety

olusin 1: Iwaju view of the TESY BiLight Electric Hot Water Cylinder, showing the main unit and indicator panel.
2. Alaye Aabo
Pataki: Installation of unvented hot water cylinders is subject to Building Control Regulations in the UK. It is mandatory to seek advice from and use a qualified installer for the installation of this product. Failure to comply with regulations can lead to serious hazards and may void your warranty.
UK building regulations require two forms of safety to be installed. This hot water cylinder is fitted with a temperature safety cut-off switch. Additionally, it is strongly recommended to install a safety expansion vessel and a pressure release valve within the connecting plumbing system to ensure full compliance and safe operation.
- Nigbagbogbo ge asopọ agbara ṣaaju ṣiṣe eyikeyi itọju tabi fifi sori ẹrọ.
- Ensure proper grounding of the electrical connection.
- Do not operate the unit if any part is damaged or if there are signs of leakage.
- Jeki awọn ohun elo ina kuro lati igbona omi.
- Rii daju pe fentilesonu to peye ni ayika ẹyọ naa.
3. Fifi sori (Eto)
Installation must be carried out by a qualified professional in accordance with local building codes and regulations, particularly those pertaining to unvented hot water systems.
3.1. Aye Yiyan
- Choose a location that can support the weight of the cylinder when full (approximately 126 kg for the 100 Litre model).
- Ensure adequate space for maintenance and access to connections.
- The unit is designed for wall mounting.
- Dabobo ẹrọ naa lati awọn iwọn otutu didi.
3.2. Iṣagbesori Unit
- Securely attach the wall mounting brackets to a structurally sound wall using appropriate fasteners.
- Carefully lift and hang the cylinder onto the installed brackets. Ensure it is level and stable.
3.3. Plumbing Awọn isopọ
- Connect the cold water supply to the inlet (typically marked blue). The unit has 15mm water connections.
- Connect the hot water outlet (typically marked red) to your hot water distribution system.
- Install a safety expansion vessel and pressure release valve as required by regulations and manufacturer recommendations.
- Rii daju pe gbogbo awọn asopọ ko ni omi.
3.4. Asopọ Itanna
- Connect the unit to a dedicated 220 Volts electrical supply circuit.
- Ensure the circuit is protected by an appropriate circuit breaker and RCD (Residual Current Device).
- All electrical work must comply with local electrical codes and be performed by a qualified electrician.

Nọmba 2: Alaye views of the TESY BiLight water heater, showing the bottom connections, temperature control dial, and wall mounting bracket.
4. Isẹ
Once installed and filled with water, the TESY BiLight water heater is designed for straightforward operation.
4.1. Ibẹrẹ ibẹrẹ
- Ensure the cylinder is completely filled with water before switching on the power. Open a hot water tap to allow air to escape until water flows steadily.
- Switch on the electrical power supply to the unit.
- The light indicator on the unit will illuminate, indicating that the heating element is active and water is being heated.
4.2. Iṣakoso iwọn otutu
The unit features a temperature control dial, typically located at the bottom or side of the unit (refer to Figure 2). Rotate the dial to adjust the desired water temperature. Higher settings will provide hotter water, but also consume more energy. The unit has a built-in overheat protection system.
4.3. Isẹ deede
The water heater will automatically maintain the set temperature. The light indicator will turn off once the desired temperature is reached and will illuminate again when the heating element reactivates to reheat the water.
5. Itọju
Regular maintenance ensures the longevity and efficient operation of your TESY BiLight water heater. All maintenance should be performed by a qualified technician.
- Ayewo Ọdọọdun: It is recommended to have the unit inspected annually by a qualified professional. This includes checking the pressure relief valve, expansion vessel, and electrical connections.
- Ṣayẹwo ọpa Anode: The glass-lined tank is protected by an anode rod. This rod should be inspected and replaced periodically (typically every 1-3 years, depending on water quality) to prevent corrosion.
- Sisọ tanki naa: If the unit will be out of use for an extended period or if there is a risk of freezing, the tank should be drained. Consult a professional for proper draining procedures.
- Ninu: Keep the exterior of the unit clean with a damp asọ. Ma ṣe lo abrasive ose tabi epo.
6. Laasigbotitusita
Before attempting any troubleshooting, ensure the power supply to the unit is disconnected. For complex issues, contact a qualified technician.
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| Ko si omi gbona | No power supply; tripped circuit breaker; thermostat set too low; heating element failure. | 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 | Thermostat set too low; high hot water demand; sediment buildup in tank; faulty heating element. | Increase thermostat setting. Allow more recovery time between uses. Consider professional descaling. Contact technician for element check. |
| Omi gbona ju | Thermostat set too high; faulty thermostat. | Lower thermostat setting. If problem persists, contact a qualified technician to replace the thermostat. |
| Njo lati kuro | Loose plumbing connections; faulty pressure relief valve; tank corrosion. | Tighten connections. Check pressure relief valve. If tank is corroded, replacement may be necessary. Contact a qualified technician immediately. |
7. Awọn pato
Technical specifications for the TESY BiLight Electric Hot Water Cylinder 100 Litre model:
| Iwa | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Brand | Idanwo |
| Nọmba awoṣe | TESY Electric Water Cylinder |
| Agbara | 100 lita |
| Awọn iwọn (L x W x H) | 44 x 44 x 99 cm |
| Iwuwo Nkan (sofo) | 26 kg |
| Voltage | 220 Volts |
| Àwọ̀ | Funfun |
| Ara | Electric Un-Vented Vertical Hot Water Cylinder |
| Awọn isopọ omi | 15mm (Pipe connections Not Included) |
| Pataki Awọn ẹya ara ẹrọ | Anti-Freezing Protection, Built-in Overheat Protection, Safety Pressure Release Valve, Glass Lined - Corrosion Proof |
| Agbara ṣiṣe Rating | C |
| Akọkọ Wa Ọjọ | Oṣu Kẹta Ọjọ 13, Ọdun 2019 |
8. Atilẹyin ọja ati Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact TESY customer service directly. Keep your proof of purchase for warranty claims.
For further assistance, you may also contact the seller, The Modern Group, through the Amazon platform.





