Electric water heater TESY BiLIGHT Bi 50V

Product detailed description

Vertical wall-mounted electric water heaters like the TESY BiLIGHT Bi 50V are commonly installed in residential bathrooms, utility rooms and small commercial facilities such as offices and retail units. These units integrate into standard domestic hot water systems, replacing traditional storage cylinders or providing supplementary hot water in mixed systems. Installers typically encounter these units in retrofit projects and new builds where compact, high-efficiency solutions are required. The cylindrical design allows for space-efficient mounting while maintaining sufficient capacity for average household consumption patterns.

When selecting and installing electric water heaters, technicians must consider factors such as electrical load requirements, available mounting space, and system integration with existing plumbing infrastructure. The vertical orientation of this model requires careful assessment of wall strength and mounting points. For systems requiring multiple units, proper spacing and electrical circuit planning are essential to ensure safe and efficient operation.

Technical parameters

Actual volume	50 L
Power	1500 W
Heating time ∆t=45°C (15-60°C)	1:44 h:min
Load profile	M
Factory preset temperature	60 °C
Volume at 40°C	77 L
Maximum temperature	70 °C
Maximum volume at 40°C	86 L
Energy efficiency class ERP	C
Voltage	230 V
Current	16 A
Height	595 mm
Diameter	440 mm
Depth with bracket	467 mm
Warranty	5 years
Electrical protection	24 IP
Net weight	16.7 kg
Heater design	Round
Mounting type	Wall-mounted vertical
Energy consumption (AEC)	1424 kWh/year
EAN	3800879120635
Code	303297
Brand	TESY

The 50L nominal capacity ensures sufficient hot water for 3-4 people. The 1500W power rating allows for rapid heating while the M load profile indicates typical domestic usage patterns. The 60°C factory preset temperature meets standard hygiene requirements while the maximum 70°C limit prevents scalding risks. The energy class C rating reflects the balance between performance and efficiency achieved through the patented insulation technology.

Installation and connection

Vertical installation requires securing the unit to a solid wall using the provided mounting bracket. Cold water inlet connections typically use 1/2 inch threaded fittings while the hot water outlet uses similar specifications. Installers should verify wall strength and ensure proper ventilation around the unit. Common installation errors include incorrect bracket positioning and inadequate clearance for heat dissipation. Electrical connections require a dedicated 16A circuit with proper earthing. All connections should be checked for leaks and secure fastening before commissioning.

Compatibility and accessories

This unit integrates with standard domestic plumbing systems using standard thread sizes. No additional components are required for basic installation. The included mounting bracket and electrical cable with plug simplify installation. While no alternative products are specified, similar models in the BiLIGHT range offer different capacities for varying demand levels.

Technical background for designers

The patented Piston Effect system uses a specially designed cold water inlet to create a horizontal displacement of heated water towards the stainless steel outlet tube. This minimizes mixing between incoming cold water and stored hot water, improving overall efficiency. The CrystalTech glaze provides a smooth, non-porous surface that resists scaling and corrosion. The dual-component insulation technology ensures uniform thermal protection while the bracket design prevents heat loss to surrounding structures. The 2.5cm thick anode provides extended protection against internal corrosion.

Service and operation

Routine maintenance includes checking the anode condition and verifying electrical connections. The 5-year warranty covers manufacturing defects but does not specify specific service intervals. Technicians should monitor for signs of scale buildup and ensure proper operation of the safety thermostat. The frost protection feature helps prevent damage during periods of low usage.

Frequently asked questions

Can the temperature setting be adjusted beyond the factory preset?
Yes, the thermostat allows manual adjustment within the operational range of 40-70°C to suit specific application requirements.

Is the electrical connection compatible with standard domestic circuits?
The unit requires a dedicated 16A circuit but can be connected to standard domestic electrical systems with appropriate circuit protection.

How does the patented insulation technology affect long-term efficiency?
The uniform insulation layer reduces heat loss over time compared to conventional insulation methods, maintaining consistent performance throughout the unit's lifespan.

What precautions should be taken when installing in cold environments?
The built-in frost protection activates automatically, but additional insulation around the unit and pipework is recommended in unheated spaces to ensure reliable operation.

Documents for download

• Product manual (PDF)
• Technical specifications (PDF)
• Installation instructions (PDF)
• Warranty information (PDF)
• Safety documentation (PDF)
• Maintenance guide (PDF)