1. Introduction
Thank you for choosing the Midea 13KW Tankless Electric Water Heater. This advanced appliance is designed to provide instant and endless hot water for your home, offering convenience, energy efficiency, and space-saving benefits. With its intelligent heating system, touch control, Wi-Fi connectivity, and LED display, it ensures a comfortable and reliable hot water experience. This manual provides essential information for safe installation, operation, and maintenance of your new water heater.
2. Important Safety Information
Please read all safety warnings and instructions carefully before installing or operating this appliance. Failure to follow these instructions may result in electric shock, fire, property damage, or personal injury.
- Electrical Grounding: This appliance must be grounded. To provide continuous protection against the risk of electric shock, connect to a properly grounded circuit that is protected by a recognized Class A Ground-Fault Circuit Interrupter (GFCI).
- Professional Installation: Installation must be performed by a licensed and qualified electrician and plumber in accordance with all local and national electrical and plumbing codes.
- Voltage Requirement: The 13KW tankless water heater requires a 240V electrical supply. Ensure your electrical system can support this requirement.
- Water Pressure: Ensure water pressure is within the specified range (Min. permissible pressure: 30 psi / 0.207 MPa, Max. permissible pressure: 150 psi / 1.034 MPa).
- Overheat Protection: The unit is equipped with overheat protection. Do not tamper with or bypass safety features.
- Child Safety: The unit features a child mode. Always supervise children around the appliance.
3. Product Overview
The Midea Tankless Electric Water Heater is a compact and efficient unit designed for on-demand hot water. It features a sleek design with an intuitive control panel and smart connectivity.
Figure 3.1: Front view of the Midea 13KW Tankless Electric Water Heater, showing the digital display and touch controls.
Figure 3.2: The Midea Tankless Water Heater highlighting its SmartHome compatibility for intelligent and endless hot water.
3.1 Key Features
- Instant & Endless Hot Water: Powerful 13KW heating system provides hot water instantly.
- Smart Control App: Control heating modes and temperature settings via the Smart Home app.
- Convenient Usage: Digital display and touch control panel for easy temperature setup.
- Energy Saving: Auto-modulating temperature technology heats water only when needed, saving up to 50% on water heating costs.
- Space Saving: Compact, wall-mounted design uses 90% less space than traditional tank water heaters.
- Safe Operation: ETL, NSF, and DOE certified, with 5VA cover and copper heating elements for safety and durability.
4. Installation Instructions
Proper installation is critical for the safe and efficient operation of your Midea water heater. Always ensure compliance with local and national codes.
4.1 Pre-Installation Checklist
- Verify electrical supply: 240 VAC / 60 Hz / Single Phase.
- Ensure adequate power input: 13 KW.
- Confirm maximum amperage load: 54.1 A.
- Recommended minimal wire size: 6 AWG.
- Recommended circuit breaker: 1 x 60 A.
- Water connection: 1/2" NPT.
- Minimum water flow to activate unit: 0. gpm (1. L/min).
Figure 4.1: Detailed installation instructions showing pipe connections (Inlet and Outlet) and a table of product specifications for installation.
4.2 Sizing and Placement
The Midea tankless water heater is compact, making it suitable for various installation locations such as under sinks, in bathrooms, or utility rooms. Refer to the power capacity guide to match your hot water needs with the unit's capabilities based on inlet water temperature and desired flow rate.
Figure 4.2: Power Capacity Guide illustrating how to determine the suitable power capacity based on application (faucet, shower) and inlet water temperature across different regions.
5. Operating Instructions
Your Midea tankless water heater offers convenient control through its touch panel and a smart mobile application.
5.1 Control Panel Operation
The unit features a digital display and touch control panel for easy temperature adjustment and mode selection. Simply use the touch interface to set your desired temperature. The display provides useful information about the unit's operating status.
5.2 Smart App Control (Wi-Fi)
For enhanced convenience, download the Midea Smart Home app to control your water heater remotely. The app allows you to:
- Choose suitable heating modes (e.g., User Mode, Kitchen Wash, Kids Mode, Shower Water).
- Preset your preferred temperatures for different uses (e.g., 32°C for vegetables/fruits, 40°C for children).
- Monitor the unit's status from anywhere.
Figure 5.1: The Smart Home app interface demonstrating preset temperature options for various uses like kitchen wash, kids' bath, and shower.
Figure 5.2: Illustration of remote control capability, showing the water heater installed in various locations (bathroom, kitchen, equipment room) and controlled via a smartphone.
5.3 Constant Temperature System
The Midea instant water heater is supported by self-adapted heating elements, intelligently managing pressure to maintain a constant temperature. This feature ensures a stable hot water supply without terrible temperature fluctuations, providing a comfortable experience.
Figure 5.3: Graph illustrating the stable temperature output of the constant temperature system, tested by Midea Lab.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your tankless water heater. Always disconnect power before performing any maintenance.
- Cleaning: Periodically wipe the exterior of the unit with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Inlet Filter: Check and clean the inlet water filter periodically to prevent sediment buildup, which can affect water flow and heating efficiency.
- Professional Inspection: It is recommended to have a qualified technician inspect the unit annually, especially in areas with hard water, to check for scale buildup and ensure all components are functioning correctly.
- Winterization (if applicable): If the unit is installed in an unheated area subject to freezing temperatures, ensure proper winterization procedures are followed to prevent damage from frozen pipes. Consult a professional if unsure.
7. Troubleshooting
This section addresses common issues you might encounter. For problems not listed here, or if solutions do not resolve the issue, contact qualified service personnel.
| Problem | Possible Cause | Solution |
|---|---|---|
| No hot water or insufficient hot water. |
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| Water temperature fluctuates. |
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| Unit not responding to Wi-Fi control. |
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8. Specifications
Technical details for the Midea 13KW Tankless Electric Water Heater (Model: MHE13W2AWW).
| Attribute | Value |
|---|---|
| Manufacturer | Midea |
| Model Number | MHE13W2AWW |
| Style | 13 KW |
| Color | White |
| Material | Copper |
| Power Source Type | Corded Electric |
| Voltage | 240 Volts |
| Wattage | 13 KW |
| Installation Type | Wall Mount |
| Maximum Pressure | 150 Pounds per Square Inch |
| Special Features | Overheat Protection |
| Included Components | 13kw electric water heater |
| Product Dimensions (L x W x H) | 11.38 x 11.38 x 15.75 inches (28.91 x 28.91 x 40.01 cm) |
| Item Weight | 6.83 Pounds (3.1 kilograms) |
Figure 8.1: Diagram showing the dimensions of the Midea 13KW Tankless Electric Water Heater.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official Midea website. Keep your purchase receipt as proof of purchase.
Customer Service: For assistance, please contact Midea customer support through their official channels.