Goudergo 4500W 110V Tankless Electric Water Heater Instruction Manual

1. Introduction

This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Goudergo 4500W 110V Tankless Electric Water Heater. Please read these instructions thoroughly before installation and use, and retain them for future reference.

Image 1.1: The Goudergo 4500W 110V Tankless Electric Water Heater, shown with its included shower head, providing instant hot water for bathing.

2. Safety Information

Important Safety Instructions:

• The water heater must be equipped with a ground electrode and a leakage protector.
• Ensure the water source is connected and water flows through the unit before turning on power.
• It is strictly prohibited to heat the water heater when there is no water or when it is frozen. Dry burning is strictly prohibited. Do not use this product when the temperature is lower than 32°F (0°C).
• Always test the water temperature with your hand before use to avoid burns.
• The unit features 5-layer safety protection, including anti-dry burn, anti-leakage, anti-freezing, anti-scald, short-circuit, lightning, over-voltage, and over-current protection.
• Water-electricity separation and an IPX4 waterproof rating ensure safe operation in wet environments.
• The unit automatically shuts off when water flow stops.
• The water provided by this product is not recommended for direct drinking.

3. Package Contents

Verify that all items are present in the package:

• 1 x Instant Water Heater Unit
• 1 x Shower Head
• 1 x Shower Hose
• 1 x Shower Holder
• 1 x English Instruction Manual
• Other accessories required for installation (e.g., mounting hardware)

Image 3.1: The tankless water heater unit displayed with its complete shower set, including the shower head, hose, and wall-mount holder.

4. Specifications

Image 4.1: Detailed dimensions of the water heater unit.

5. Installation and Setup

Professional installation is recommended. Ensure all local electrical and plumbing codes are followed.

5.1 Electrical Requirements

• Rated Voltage: AC 110V, 60HZ
• Rated Power: 4500W
• Rated Current: 40.9A
• Wire Diameter: Minimum 4mm² (0.16 in) copper core wire.
• Air Switch: Minimum 40A.
• Magnetic Card Table: 10 (40) A.
• Mechanical Watch: Minimum 5 (20) A.
• The unit must be properly grounded.

5.2 Plumbing Requirements

• Water Inlet: Lower Inlet.
• Cold Water Inlet Pipe Connector Diameter: 1.2cm (0.5in) inner diameter; 2cm (0.8in) outer diameter.
• Hot Water Outlet Pipe Connector Diameter: 0.7cm (0.3in) inner diameter; 2cm (0.8in) outer diameter.
• The unit operates with low water pressure (0.02-0.6 MPa) and does not require an additional pump.
• Clear color-coded inlet (blue for cold) and outlet (red for hot) markings are provided to prevent installation errors.
• A reliable water inlet filter is integrated to help provide cleaner water.

Image 5.1: View of the color-coded water inlet and outlet connections.

5.3 Mounting

• The unit is designed for wall mounting. Choose a suitable location that is protected from freezing temperatures and allows for proper ventilation and access for maintenance.
• Use appropriate mounting hardware (included) to secure the unit firmly to the wall.

Image 5.2: Side view of the water heater, illustrating its compact form factor for wall mounting.

6. Operation

The Goudergo Tankless Electric Water Heater provides instant hot water on demand.

6.1 Initial Start-up

1. Ensure the unit is properly installed and all water connections are secure and leak-free.
2. Open a hot water faucet to allow water to flow through the unit and purge any air from the system. Continue until a steady stream of cold water flows from the faucet.
3. Turn on the electrical power to the unit.
4. The unit will begin heating water within approximately 3 seconds of water flow activation.

6.2 Temperature Control

• The unit features an intelligent thermostat and an LED touch display for precise temperature control.
• Adjust the desired water temperature between 86°F (30°C) and 131°F (55°C) using the touch controls.
• The built-in memory function saves your last temperature setting, eliminating the need for repetitive adjustments.
• The unit has an automatic power-off protection temperature at 131°F (55°C) to prevent scalding.

Image 6.1: The LED display and touch controls for temperature adjustment.

7. Maintenance

Regular maintenance ensures optimal performance and longevity of your water heater.

• Water Inlet Filter: Periodically inspect and clean the water inlet filter to ensure clean water supply and prevent sediment buildup.
• Flushing: If the water heater has not been used for an extended period, it is recommended to flush the unit by running water through it before resuming normal operation. This helps prevent issues related to water quality changes that can lead to uneven heating or damage to internal components.
• Exterior Cleaning: Clean the exterior of the unit with a soft, damp cloth. Do not use abrasive cleaners or solvents.

8. Troubleshooting

If you encounter issues, refer to the following common problems and solutions:

9. Warranty and Support

For warranty information or technical support, please refer to the documentation provided at the time of purchase or contact Goudergo customer service. Keep your purchase receipt as proof of purchase.