1. Important Safety Information
Please read all instructions carefully before installation and operation. Failure to follow these instructions may result in property damage, personal injury, or death. Retain this manual for future reference.
- Electrical Safety: Ensure the unit is connected to a properly grounded 110V/60Hz electrical outlet. Do not use extension cords. Disconnect power before performing any maintenance or service.
- Water Pressure: Do not operate the water heater if the water pressure exceeds the maximum rated pressure. Install a pressure relief valve if necessary.
- Temperature Settings: The water temperature can be adjusted from 50°F to 167°F (10°C to 75°C). Be aware that water temperatures above 120°F (49°C) can cause severe burns or scalding. Exercise caution, especially with children or individuals with reduced physical, sensory, or mental capabilities.
- Overheating Protection: The unit is equipped with an automatic high-temperature limit device that cuts off power if the temperature reaches 190°F (88°C) to prevent overheating.
- Dry Heating Protection: This feature prevents damage to the heating element if the tank is empty.
- Anti-Freezing Protection: The heater includes protection against freezing temperatures.
- Waterproof Rating: The unit has an IPX4 waterproof rating, protecting against splashing water.
- Installation: Installation must be performed by a qualified plumber or technician in accordance with all local codes and regulations.
2. Product Overview
The Nessxa 2.64 Gallon Mini Tank Electric Water Heater is designed to provide instant hot water at point-of-use locations such as kitchens, offices, or small workshops. Its compact design and efficient heating capabilities make it suitable for various small-scale hot water needs.
Key Features:
- Rapid Heating: 1500W heating element for quick hot water delivery.
- Adjustable Temperature: Temperature range from 50°F to 167°F (10°C to 75°C).
- Compact Design: Space-saving dimensions (14.57"W x 9.84"D x 10.24"H) for under-sink installation.
- Durable Construction: Inner tank made of high-quality glass lined steel (enamel steel) for corrosion resistance and reduced scale formation. Includes a Magnesium Anode Rod for enhanced durability.
- Multiple Installation Options: Supports wall-mounted, bracket-mounted, or floor-standing installations.
- Safety Protections: Overheating, dry heating, overpressure, and anti-freezing protection.
3. Installation and Setup
This water heater is designed for point-of-use applications. It comes with a full set of installation accessories. Professional installation is recommended.
3.1 Choosing an Installation Location
- Select a location close to the hot water tap to minimize heat loss and ensure quick hot water delivery.
- Ensure the location can support the weight of the unit when full (approximately 9.3 lbs empty + 2.64 gallons * 8.34 lbs/gallon = ~31 lbs).
- The unit can be wall-mounted, bracket-mounted, or floor-standing.
- Ensure adequate clearance around the unit for ventilation and maintenance.
3.2 Plumbing Connections
- Turn off the main water supply.
- Connect the cold water supply line to the blue inlet port on the water heater.
- Connect the hot water outlet line from the red outlet port on the water heater to the hot water faucet.
- Install a pressure relief valve (not explicitly mentioned as included, but standard practice for water heaters).
- Open the hot water faucet to allow air to escape while the tank fills.
- Once water flows steadily from the hot water faucet, close the faucet and check for leaks.
3.3 Electrical Connection
- Ensure the unit is properly grounded.
- Plug the water heater into a dedicated 110V/60Hz grounded electrical outlet.
- Do not power on the unit until the tank is completely filled with water.
4. Operating Instructions
Once installed and filled with water, the water heater is ready for operation.
4.1 Powering On and Initial Heating
- Ensure the tank is full of water.
- Plug the unit into the electrical outlet or turn on the circuit breaker. The display will illuminate.
- The unit will begin heating the water to the set temperature. The 1500W heating element ensures rapid heating.
4.2 Adjusting Water Temperature
- Use the rotary knob on the front panel to set the desired water temperature. The temperature range is 50°F to 167°F (10°C to 75°C).
- The digital display will show the current water temperature.
- To switch between Celsius (°C) and Fahrenheit (°F), press the "SET" button once.
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your water heater. Always disconnect power before performing any maintenance.
- Draining the Tank: If the unit will be unused for an extended period or if there is a risk of freezing, drain the tank completely. Refer to the installation section for plumbing connections.
- Cleaning: Wipe the exterior of the unit with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Anode Rod Inspection: The glass-lined steel tank includes a Magnesium Anode Rod to protect against corrosion and scale. This rod should be inspected annually and replaced if significantly depleted. Consult a qualified technician for this procedure.
- Pressure Relief Valve: Periodically check the pressure relief valve to ensure it is not obstructed and is functioning correctly.
6. Troubleshooting
If you encounter issues with your water heater, refer to the following common problems and solutions. If the problem persists, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No hot water / Unit not heating | No power; Circuit breaker tripped; Tank not filled with water; Thermostat set too low. | Check power connection; Reset circuit breaker; Ensure tank is full before powering on; Adjust temperature setting. |
| Water not hot enough | Temperature setting too low; High hot water demand exceeding capacity. | Increase temperature setting; Allow more time for recovery between uses. |
| Water too hot | Temperature setting too high. | Decrease temperature setting. |
| Leaking from unit | Loose plumbing connections; Faulty pressure relief valve; Tank damage. | Tighten connections; Inspect/replace pressure relief valve; Contact customer support for tank damage. |
| Unusual noises | Sediment buildup in tank; Loose components. | Drain and flush tank (professional recommended); Check for loose parts. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Nessxa |
| Model Number | YYJ250762-10L |
| Capacity | 2.64 Gallons |
| Rated Power | 1500 Watts |
| Voltage | 110 Volts (AC) |
| Frequency | 60 Hz |
| Maximum Temperature | 167°F (75°C) |
| Efficiency | Over 90% |
| Product Dimensions (W x D x H) | 14.57" x 9.84" x 10.24" |
| Item Weight | 9.3 Pounds |
| Inner Tank Material | Glass Lined Steel (Enamel Steel) |
| Special Features | Anti-Freezing Protection, Overheat Protection, Dry Heating Protection, Overpressure Protection, IPX4 Waterproof |
| Mount Type | Wall, Bracket, or Floor-standing |
| UPC | 631060185453 |
8. Warranty and Support
For warranty information, technical support, or service inquiries, please contact Nessxa customer service. Refer to your purchase documentation for specific warranty terms and contact details.
- Manufacturer: Nessxa
- Contact Information: Please refer to the contact details provided with your product packaging or visit the official Nessxa website.