1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Ranein RE11K Electric Tankless Water Heater. Please read all instructions carefully before installation and use. Keep this manual for future reference.
Image 1.1: Front view of the Ranein RE11K Electric Tankless Water Heater, showcasing its compact design and LED display.
2. Important Safety Information
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Read the installation, operating, and maintenance instructions thoroughly before installing or servicing this equipment.
This appliance must be installed by a qualified electrician or plumber in accordance with all local electrical and plumbing codes. Failure to do so may result in electric shock, fire, property damage, or personal injury.
2.1 Electrical Requirements
- The RE11K model requires a 240V, 60 AMP dedicated circuit breaker.
- Ensure your electrical panel can accommodate these specifications.
- Required wire: (1) 8 AWG.
2.2 General Safety Precautions
- Do not operate this water heater if it has been damaged or is not functioning properly.
- Do not block or cover any openings on the appliance.
- Keep flammable materials away from the water heater.
- This appliance is designed for indoor use only.
Image 2.1: Diagram illustrating the multiple safety protection features of the Ranein tankless water heater, including isolated walls, leakage protection, anti-scald protection, scale-free design, low water quantity protection, dry-burning protection, water and electricity separation, and waterproof protection.
Image 2.2: Visual representation of the comprehensive safety features, including dual insulation walls, waterproof protection, leakage protection, anti-scald protection, low water quantity protection, water and electricity separation, dry-burning protection, and overpressure protection.
For detailed safety information, please refer to the official Safety Information PDF: Safety Information (PDF)
3. Package Contents
Verify that all components are present and undamaged before proceeding with installation.
Image 3.1: Illustration of the package contents, including the water heater unit, installation manual, screws, and wall plugs.
| Order | Offerings | Quantity |
|---|---|---|
| 1 | Water Heater | x 1 |
| 2 | Installation Manual | x 1 |
| 3 | Screw | x 2 |
| 4 | Wall Plug | x 2 |
4. Product Specifications
The following table outlines the key technical specifications for the Ranein RE11K Electric Tankless Water Heater.
Image 4.1: Diagram showing the dimensions and key electrical/plumbing parameters of the RE11K model.
| Feature | Specification | Feature | Specification |
|---|---|---|---|
| Model | RE11K | Cable Required | 1X8 AWG |
| KW | 11KW | Dimensions | 14" x 8.75" x 3" |
| Voltage | 240V/45.8A | Weight | 4.85 lbs |
| Breaker | 1X60 AMP | Pipes Fitting | 1/2" NPT |
| Special Features | Dry Combustion Protection, IPX4 Waterproof, LED Display, Lightweight, Overheat Protection | Maximum Temperature | 131°F (55°C) |
| Color | Starry sky gray | Mounting Type | Wall |
5. Installation and Setup
Professional installation is highly recommended. Consult a qualified electrician or plumber prior to purchase and installation to ensure compliance with all local codes and proper electrical infrastructure.
5.1 Site Selection
- Choose a location that is protected from freezing temperatures.
- Ensure adequate clearance around the unit for maintenance and ventilation.
- The unit must be mounted vertically on a solid wall surface.
5.2 Electrical Connection
Crucial: Verify your electrical infrastructure meets the requirements before installation.
Image 5.1: Important notice regarding electrical specifications, highlighting the requirement for 45.8 Amps power and a 1 x 60 AMP breaker.
- Turn off the main power supply at the circuit breaker before beginning any electrical work.
- Connect the water heater to a dedicated 240V, 60 AMP circuit.
- Use 8 AWG wire for the electrical connection.
- Ensure proper grounding according to local electrical codes.
5.3 Plumbing Connection
- Connect the cold water inlet (blue) and hot water outlet (red) to 1/2" NPT pipes.
- Install shut-off valves on both the inlet and outlet lines for easy maintenance.
- Flush the water lines thoroughly before connecting to the heater to remove any debris.
- Ensure all connections are watertight to prevent leaks.
Image 5.2: Detailed installation diagram showing electrical connections to a circuit breaker panel and plumbing connections for hot and cold water lines. It specifies required wire (8 AWG), maximum draw (45.8 Amps), and breaker size (1 x 60 Amp Double Pole).
Image 5.3: Comprehensive installation diagram illustrating the placement of the tankless water heater in a bathroom setting, showing connections to a bathtub, sink, and washing machine, along with the circuit breaker panel.
For a complete guide, refer to the Instructions for Use (IFU) PDF: Instructions for Use (PDF)
6. Operating Instructions
The Ranein RE11K water heater provides instant hot water on demand with intelligent temperature control.
6.1 Initial Startup
- After installation, ensure all plumbing connections are secure and leak-free.
- Open a hot water faucet in your home to allow water to flow through the heater and purge any air from the system. Let water run for a few minutes until flow is steady.
- Turn on the electrical power to the unit at the circuit breaker.
- The LED display will illuminate, indicating the unit is ready for operation.
6.2 Temperature Adjustment
- The temperature can be adjusted using the touch control knob on the front panel.
- Rotate the knob to increase or decrease the desired water temperature. The LED display will show the set temperature.
- The unit features self-modulating technology, automatically adjusting power consumption to maintain the preset temperature, ensuring energy efficiency.
Image 6.1: Graph illustrating the stable temperature output of the Ranein water heater compared to other products, demonstrating accurate temperature control for a consistent hot water experience.
Image 6.2: Visual guide demonstrating the ease of use for temperature adjustment, showing a hand turning the control knob and indicating the ability to switch between Fahrenheit and Celsius by pressing the knob for 5 seconds.
6.3 Energy Saving Features
- The unit heats water only when needed, eliminating standby energy consumption associated with traditional tank heaters.
- Self-modulating technology ensures only the necessary amount of energy is used to heat water to your desired temperature.
Image 6.3: Conceptual image highlighting the energy efficiency and power-saving capabilities of the Ranein tankless water heater, with an internal circuit board overlay.
Image 6.4: Illustration emphasizing the energy-saving aspect, explaining that self-modulating technology uses only the precise amount of energy needed to heat water on demand.
7. Maintenance
Regular maintenance ensures optimal performance and longevity of your tankless water heater.
7.1 Cleaning
- Wipe the exterior of the unit with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- The stainless steel heating element is designed to prevent sediment and scale accumulation, reducing the need for frequent descaling.
7.2 Water Filter (if applicable)
- If an external water filter is installed, follow the manufacturer's instructions for cleaning or replacing the filter cartridge.
7.3 Annual Inspection
- It is recommended to have a qualified professional inspect the unit annually to check for any wear, leaks, or electrical issues.
8. Troubleshooting
Before contacting customer support, review the following common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No hot water | No power to the unit | Check circuit breaker; ensure it is ON. |
| Water flow too low | Ensure minimum flow rate is met. Check for clogged aerators or partially closed valves. | |
| Water not hot enough | Temperature setting too low | Increase the temperature setting using the control knob. |
| Inlet water temperature too cold | The unit's capacity may be exceeded. Reduce flow rate or use for fewer fixtures simultaneously. Refer to sizing map. | |
| Unit leaks water | Loose plumbing connections | Turn off water supply and power. Tighten connections. If leak persists, contact a professional. |
| Error code on display | Internal fault or sensor issue | Refer to the full instruction manual for specific error code meanings. Power cycle the unit (turn off, wait 30 seconds, turn on). If error persists, contact customer support. |
9. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your product or visit the Ranein official website. Keep your proof of purchase for warranty claims.
Return Policy: This product has a 30-day return policy for refund/replacement.
10. Additional Information
10.1 Sizing and Application
The Ranein RE11K is suitable for point-of-use applications or small homes, depending on the inlet water temperature and desired flow rate. Refer to the sizing map to determine if this model meets your specific needs.
Image 10.1: A detailed sizing map showing recommended Ranein tankless water heater models based on geographical location (inlet temperature) and desired hot water usage (GPM for low flow faucet, bathroom faucet, kitchen faucet, shower). It provides a 3-step guide for selecting the correct unit.
Image 10.2: Diagram illustrating various applications for Ranein tankless water heaters, including whole-house systems and point-of-use installations for kitchens, bathrooms, and individual rooms. A table provides specifications for different models (RE4.5K, RE6.5K, RE9K, RE11K, RE13K, RE18K, RE27K) across various parameters like KW, Voltage, Breaker, Wire Size, Min Water Flow, Operating Pressure, Installation, Temp Increase, Dimensions, and Weight.
