1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Eemax HA008240 240V 8.0 kW Electric Tankless Water Heater. Please read all instructions thoroughly before installation and use. Retain this manual for future reference.
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.
- All electrical and plumbing work must be performed by qualified and licensed professionals.
- Ensure the unit is properly grounded according to local and national electrical codes.
- Do not operate the water heater if it is damaged or malfunctioning.
- Turn off power to the unit at the circuit breaker before performing any maintenance or service.
- This appliance is designed for indoor use only.
3. Setup and Installation
The Eemax HA008240 tankless water heater is designed for wall mounting and requires specific electrical and plumbing connections. Professional installation is highly recommended.
3.1 Mounting
Mount the unit vertically on a sturdy wall surface capable of supporting its weight. Ensure adequate clearance around the unit for ventilation and service access.
3.2 Plumbing Connections
Connect the cold water inlet and hot water outlet to the appropriate plumbing lines. Ensure all connections are watertight. The unit has a maximum flow rate of 3 Gallons Per Minute.
3.3 Electrical Connections
This unit requires a dedicated 240 Volt electrical circuit with appropriate amperage for its 8.0 kW heat output. Consult a licensed electrician to ensure proper wiring and circuit breaker installation.
Figure 1: Front view of the Eemax HA008240 electric tankless water heater. It features a gray metallic front panel with the Eemax logo at the top. Below the logo is a digital display showing '8.8.8', indicating temperature. A circular control knob is located at the bottom center, with text 'CLICK FOR ON/OFF' and 'PRESS 3 SECONDS °C/°F' next to it, suggesting temperature unit selection. A blue cap is visible on a pipe connection on the top right side of the unit.
4. Operating Instructions
4.1 Power On/Off
To turn the unit on or off, click the control knob. The digital display will illuminate when the unit is powered on.
4.2 Temperature Adjustment
Rotate the control knob to adjust the desired water temperature. The digital display will show the set temperature. The maximum temperature setting is 140 degrees Fahrenheit. The unit maintains temperature with an accuracy of +/- one degree.
4.3 Temperature Unit Selection (°C/°F)
To switch between Celsius and Fahrenheit, press and hold the control knob for 3 seconds.
4.4 Water Flow Considerations
For optimal performance and consistent hot water, ensure the water flow rate does not exceed the unit's maximum capacity of 3 Gallons Per Minute. Excessive flow may result in cooler water temperatures.
5. Maintenance
The Eemax HA008240 tankless water heater requires minimal maintenance due to its design. Unlike traditional tank heaters, there is no storage tank to flush.
- Regular Cleaning: Periodically wipe down the exterior of the unit with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Inlet Screen Filter: Inspect and clean the inlet screen filter annually to prevent sediment buildup, which can affect performance. Turn off power and water supply before accessing the filter.
- Professional Inspection: It is recommended to have a qualified professional inspect the unit and its connections every few years to ensure continued safe and efficient operation.
6. Troubleshooting
Before contacting customer support, review the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No hot water or insufficient hot water |
|
|
| Water is too hot | Temperature setting too high | Decrease the temperature setting using the control knob. |
| Unit displays an error code | Internal malfunction or sensor issue | Turn off power to the unit for 30 seconds, then restore. If the error persists, contact Eemax customer support. |
If the problem persists after attempting these solutions, contact Eemax customer support or a qualified technician.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Eemax |
| Model | HA008240 |
| Product Dimensions | 9.75"W x 12"H x 13.75"D |
| Color | Gray |
| Wattage | 8.0 kW |
| Voltage | 240 Volts |
| Maximum Flow Rate | 3 Gallons Per Minute |
| Maximum Temperature | 140 Degrees Fahrenheit |
| Heat Output | 8 Kilowatts |
| Efficiency | 99% Thermal Energy Efficiency |
| Mounting Type | Wall |
| Certification | ANSI/NSF |
| Item Weight | 7.04 pounds |
| Included Components | Assembly Guide |
| UPC | 091654918346 |
8. Warranty Information
For detailed warranty information, please consult the official Eemax website or the warranty card included with your product packaging. Warranty terms and conditions may vary.
9. Customer Support
If you have any questions, require technical assistance, or need service for your Eemax HA008240 water heater, please contact Eemax customer support. Refer to the product packaging or the official Eemax website for current contact information.
