LY40L09 - Instant water heater and water heater Vevor - Free user manual and instructions
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| Product type | Electric tankless water heater |
| Brand | Vevor |
| Model | LY40L09 |
| Power supply | 220-240 V ~ 50 Hz |
| Maximum power | 5500 W |
| Water flow rate | 2 to 5 L/min |
| Working pressure | 0.2 to 0.8 MPa |
| Adjustable temperature | 30 to 60 °C |
| Tank capacity | Tankless (instantaneous) |
| Dimensions (L × H × D) | 240 × 150 × 90 mm |
| Weight | 1.8 kg |
| Body material | Heat-resistant ABS |
| Heating element | Copper / stainless steel |
| Protection | IPX4 (splash-proof) |
| Built-in safety | Overheating protection, overpressure protection |
| Installation type | Horizontal wall-mounted |
| Connection | 1/2 inch thread |
| Display | LED temperature display |
| Control | Touch panel or button |
| Maintenance | Regular descaling recommended |
| Spare parts | Heating element, thermostat, sensors |
| Warranty | 1 year |
Frequently Asked Questions - LY40L09 Vevor
How to install the Vevor LY40L09 water heater?
Installation must be carried out by a qualified professional. Fix the device to the wall using the supplied brackets, connect the water supply (cold inlet and hot outlet) with suitable pipes, then connect the power supply to a circuit protected by a 30 mA residual current circuit breaker.
What is the minimum required water pressure?
The recommended working pressure is 0.2 to 0.8 MPa. If the pressure is too low, the flow rate may be insufficient to trigger heating. If it is too high, install a pressure reducer.
Can the water heater operate continuously?
Yes, as an instantaneous water heater, it heats water on demand. The maximum flow rate is limited to 5 L/min to ensure proper temperature rise. Continuous use is possible, but the 5500 W power requires an appropriate electrical circuit.
How to adjust the water temperature?
Use the touch panel or rotary knob to set the temperature between 30 and 60 °C. The selected temperature appears on the LED display. The value is retained even after the device is turned off.
What to do if the water does not heat up?
First check the water pressure and flow rate: if the flow is too low, the water heater will not turn on. Then check the circuit breaker and wiring. If the problem persists, the flow sensor or heating element may be faulty. Contact after-sales service.
Is a specific circuit breaker required?
Yes, for a 5500 W appliance, it is recommended to use a 32 A circuit breaker (curve C) and a 6 mm² cable. The installation must comply with the electrical standards in force in your country.
How to maintain the device to extend its lifespan?
Regular descaling is essential, especially in hard water areas. Use a suitable descaling agent or white vinegar. Also clean the water inlet filters every 3 months. Disconnect the power before any intervention.
Is the device suitable for a bathroom?
Yes, it has an IPX4 protection rating against water splashes. Install it at least 60 cm from the bathtub or shower, in accordance with electrical safety standards. Never install it in a risk area.
Can the water be used for cooking?
Yes, the hot water produced is intended for sanitary use (washing, dishes, shower). However, it is not drinkable in the strict sense if it has stagnated in the pipes. For food consumption, use cold water and boil it.
What does the displayed error code mean?
Common error codes indicate either a sensor fault (E1, E2), internal overheating (E3), or a temperature probe problem. Consult the manual for exact details and contact after-sales service if the code persists after resetting.
User questions about LY40L09 Vevor
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USER MANUAL LY40L09 Vevor
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Product information
Brand : Vevor
Model : LY40L09
Category : Instant water heater and water heater