ECOTOUCH 14kW Electric Tankless Water Heater User Manual

1. Introduction

This user manual provides essential information for the safe and efficient operation, installation, and maintenance of your ECOTOUCH 14kW Electric Tankless Water Heater, Model ECO140B2. This appliance is designed to provide instant and continuous hot water for various household needs, including showers, sinks, dishwashers, and washing machines. Please read this manual thoroughly before installation and use to ensure proper function and safety.

Figure 1: Front view of the ECOTOUCH 14kW Electric Tankless Water Heater.

2. Important Safety Information

Always adhere to the following safety precautions to reduce the risk of fire, electric shock, injury, or property damage.

• Electrical Safety: This unit requires 240V electrical supply. Installation must be performed by a qualified electrician in accordance with all local and national electrical codes. Ensure proper grounding.
• Water and Electricity Separation: The internal design separates water and electricity lines to minimize leakage risk. Do not attempt to modify this design.
• Overheat Protection: The unit is equipped with multiple overheat protection mechanisms. Do not bypass or tamper with these safety features.
• Leakage Protection: Features sensitive leakage protection. If a leak is detected, the unit may automatically shut off.
• Dry Heating Protection: Prevents the heating element from operating without water flow, protecting the unit from damage.
• High Voltage Protection: Designed to withstand and protect against high voltage fluctuations.
• Certifications: The product is ETL Listed and qualifies for UL standards, ensuring it meets recognized safety requirements.
• Water Pressure: Ensure water pressure is within the recommended range for optimal performance and to prevent damage.
• Installation Location: Install indoors only, in a location protected from freezing temperatures.

Figure 2: Overview of the multiple safety protections integrated into the ECOTOUCH water heater, including stable temperature, IPX4 waterproof rating, separated water and electricity lines, over temperature protection, sensitive leakage protection, dry heating protection, high voltage protection, and ETL listing.

3. Product Overview

3.1 Components

The ECOTOUCH 14kW Electric Tankless Water Heater features a sleek black design with a digital display and touch control panel on the front. It includes standard 1/2" NPT plumbing connections for water inlet and hot water outlet at the bottom.

3.2 Key Features

• Instant & Endless Hot Water: Provides hot water on demand without preheating.
• Self-Modulation: Adjusts power input based on flow rate and temperature settings for energy efficiency and stable output temperature.
• Digital Display & Touch Control: Easy temperature setting and monitoring of operational status.
• Compact Design: Space-saving, suitable for point-of-use installation.
• High Energy Efficiency: Up to 98% thermal efficiency.
• Multiple Protections: Includes overheat, leakage, dry heating, and high voltage protection.

Figure 3: Key features of the ECOTOUCH Tankless Water Heater, highlighting its digital display, rapid heating, continuous hot water supply, intelligent control, comprehensive safety features, and space-saving design.

Figure 4: The ECOTOUCH Instant Water Heater provides sufficient flow rate for multiple services, including shower, bathroom sink, washing machine, kitchen sink, washing hair, and dishwasher.

4. Installation Guide

Proper installation is crucial for the safe and efficient operation of your tankless water heater. It is highly recommended that installation be performed by a licensed plumber and a qualified electrician.

4.1 Pre-Installation Checklist

• Verify electrical requirements: 240 Volts, 1x60AMP Double Pole Breaker, and 1x6AWG/2 wires with Grounding.
• Ensure plumbing connections are 1/2" NPT.
• Confirm adequate water flow rate for your desired applications. Refer to the "Application Guidelines" section.
• Choose an indoor installation location protected from freezing temperatures and direct sunlight.
• Ensure sufficient space around the unit for ventilation and maintenance.

4.2 Mounting the Unit

1. Select a suitable wall location, ensuring it is structurally sound to support the unit's weight (approx. 14.11 lbs).
2. Use the provided mounting bracket as a template to mark drilling points.
3. Drill holes and insert wall anchors.
4. Secure the mounting bracket to the wall using the provided screws.
5. Carefully hang the water heater onto the mounting bracket.

4.3 Plumbing Connections

1. Connect the cold water supply line to the water inlet (bottom right connection, typically blue).
2. Connect the hot water outlet line to the hot water plumbing system (bottom left connection, typically red).
3. Ensure all connections are tight and leak-free. Use thread sealant tape as necessary.
4. Open the hot water faucet in your home to purge air from the system before turning on the power.

4.4 Electrical Connections

1. WARNING: Ensure power is OFF at the main circuit breaker before proceeding.
2. Connect the 6AWG/2 wires with grounding to the appropriate terminals inside the unit, following the wiring diagram.
3. Connect the wires to the 60AMP double pole circuit breaker in your electrical panel.
4. Ensure all electrical connections are secure and insulated.
5. Close the unit's cover.

Figure 5: ECO140B Installation Guide, illustrating the electrical connections to the circuit breaker panel (240V, 1x60AMP Double Pole Breaker, 1x6AWG/2 wires with Grounding) and plumbing connections (1/2" NPT for hot water outlet and water inlet).

Figure 6: Application Guidelines for ECO140B, providing information on how to determine the required flow rate based on inlet water temperature and desired outlet temperature, along with a summary of product requirements.

5. Operating Instructions

Once installed and all connections are verified, you can begin operating your ECOTOUCH tankless water heater.

5.1 Initial Power On

1. Ensure water is flowing through the unit by opening a hot water faucet.
2. Turn on the circuit breaker connected to the water heater.
3. The digital display on the unit will illuminate.

5.2 Setting Temperature

• Use the touch control panel to adjust the desired output temperature. The display will show the current temperature and flow rate.
• The unit's self-modulation feature will automatically adjust power consumption to maintain the set temperature, providing a stable hot water supply.
• The maximum temperature is 120°F (49°C).

Figure 7: The intelligent temperature control system, powered by an AI chip, self-learns and evolves to adjust power input precisely, ensuring no heating waste and stable temperature output.

6. Maintenance

Regular maintenance helps ensure the longevity and efficiency of your tankless water heater.

• Descaling: Depending on your water hardness, periodic descaling may be necessary to remove mineral buildup from the heating elements. Consult a professional plumber for this service.
• Check Connections: Periodically inspect all water and electrical connections for any signs of leaks or loose wiring.
• Clean Exterior: Wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners.
• Filter Washer: The unit includes a washer with a filter. Periodically check and clean this filter to ensure optimal water flow.

7. Troubleshooting

This section provides solutions to common issues you might encounter. For problems not listed here, or if solutions do not resolve the issue, contact customer support.

8. Specifications

Detailed technical specifications for the ECOTOUCH 14kW Electric Tankless Water Heater (Model ECO140B2).

9. Warranty and Support

Your ECOTOUCH 14kW Electric Tankless Water Heater (Model ECO140B2) comes with a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.

For warranty claims, technical assistance, or any questions regarding your product, please contact ECOTOUCH customer support. Keep your proof of purchase for warranty validation.

For more information, you may visit the official ECOTOUCH store: ECOTOUCH Store on Amazon.