Introducción
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Marey ECO180 Electric Tankless Water Heater. Please read these instructions thoroughly before installation and use to ensure proper function and to prevent potential hazards. This unit is designed to provide unlimited on-demand hot water for whole-house applications, offering efficiency and convenience.
Información importante de seguridad
Failure to follow these safety instructions could result in property damage, serious injury, or death. Always adhere to local codes and regulations.
- Instalación profesional: Installation of this water heater must be performed by a qualified and licensed electrician and plumber in accordance with all national, state, and local electrical and plumbing codes.
- Requisitos eléctricos: This unit requires a dedicated electrical installation with a 220V-240V power supply, two 50 Amp double-pole breakers, and 6-gauge wires. Incorrect wiring can lead to fire or electric shock.
- Toma de tierra: Asegúrese de que la unidad esté correctamente conectada a tierra para evitar descargas eléctricas.
- Presión del agua: Do not operate the unit if water pressure is outside the recommended range (25-87 PSI).
- Inspección de daños: Do not operate the unit if it is damaged or malfunctioning. Disconnect power immediately and contact customer support.
- Ventilación: No bloquee las aberturas de ventilación de la unidad.
- Certificado ETL: The Marey ECO180 is ETL certified, ensuring it meets rigorous safety and performance standards.

Image: ETL Certified Logo, indicating compliance with safety standards.
Características del producto
The Marey ECO180 Electric Tankless Water Heater offers advanced features for efficient and reliable hot water delivery:
- Agua caliente a demanda: Heats water only when needed, eliminating standby energy consumption common with tank-type units.
- Tecnología inteligente: Intelligently applies power to efficiently heat water to your desired temperature, optimizing energy savings.
- Diseño compacto: Space-saving dimensions of 16.5" H x 10.9" W x 3.5" D allow for flexible installation in limited spaces.
- Elemento calefactor duradero: Features a corrosion-resistant patented heating element that reduces hard water buildup, extending unit lifespan.
- German-Designed Quality: Engineered with a high-quality stainless steel water channel and heating chamber for reliability.
- Flujo activado: The unit automatically activates when water flow is detected.
- Pantalla digital: An LCD panel allows for precise setting of the desired water temperature.
- Whole-House Application: Capable of handling up to 3 simultaneous points of use, suitable for various household needs depending on climate and incoming water temperature.

Imagen: Frente view of the Marey ECO180 Electric Tankless Water Heater with digital display.

Image: Diagram illustrating whole-house application with multiple points of use.

Image: Visual highlighting Smart Technology and stainless steel cover.
Configuración e instalación
Proper installation is critical for the safe and efficient operation of your tankless water heater. Always consult a licensed professional.
Lista de verificación previa a la instalación
- Verify your electrical supply meets the unit's requirements (220V-240V).
- Ensure your electrical panel can accommodate two dedicated 50 Amp Interruptores bipolares.
- Confirm you have appropriate 6-gauge wiring available for the installation.
- Select a suitable vertical wall-mounted location with adequate space and ventilation.
- Confirm water connections are 3/4" NPT.
- Inspect the unit for any signs of shipping damage before installation.
Requisitos eléctricos
The Marey ECO180 requires a specific electrical setup:
- Volumentage: 240 V
- Disyuntores: 2 x 50 Amp Bipolar
- Tamaño del cable: calibre 6 AWG
- Potencia total: 18 kW

Image: Table detailing electrical and physical product requirements for the ECO180.
Montaje de la unidad
- Choose a sturdy wall surface capable of supporting the unit's weight (approximately 17.6 lbs).
- Mount the unit vertically using the provided mounting hardware. Ensure it is level.
- Allow sufficient clearance around the unit for maintenance and air circulation.
Conexiones de agua
- Connect the cold water supply line to the blue inlet port (3/4" NPT).
- Connect the hot water outlet line to the red outlet port (3/4" NPT).
- Ensure all connections are tightened securely to prevent leaks.
- Before connecting electrical power, open a hot water faucet to flush air from the system and ensure the unit is completely filled with water.

Imagen: Abajo view of the ECO180 unit, indicating cold water inlet (blue) and hot water outlet (red).
Instrucciones de funcionamiento
Puesta en marcha inicial
- After installation and ensuring the unit is filled with water, turn on the dedicated electrical breakers for the water heater.
- La pantalla digital se iluminará.
Configuración de la temperatura del agua
- Use the up and down arrow buttons on the digital panel to adjust the desired water temperature.
- El ajuste de temperatura máxima es 125 °F (52 °C).
Activación de flujo
The Marey ECO180 is flow-activated. Hot water will begin to flow shortly after a hot water faucet is opened and water flow is detected by the unit.

Image: Close-up of the digital display and temperature control buttons on the unit's front panel.
Mantenimiento
El mantenimiento regular ayuda a garantizar la longevidad y la eficiencia de su calentador de agua.
- Inspección regular: Periodically check all water connections for any signs of leaks. Inspect the unit's exterior for any visible damage.
- Descalcificar: In areas with hard water, mineral buildup can affect performance. Periodic descaling may be necessary. It is recommended to consult a qualified professional for descaling procedures.
- Limpieza: Mantenga el exterior de la unidad limpio y libre de polvo y residuos. Utilice un paño suave y seco.amp Paño para limpieza.
Solución de problemas
If you experience issues with your Marey ECO180, consider the following basic troubleshooting steps:
- Sin agua caliente: Check if the dedicated electrical breakers are in the ON position. Ensure there is sufficient water flow to activate the unit.
- Temperatura inconsistente: Verify the temperature setting on the digital display. Ensure adequate water pressure and flow rate.
- Fugas: Immediately turn off the water supply and electrical power. Inspect all connections for tightness. If a leak persists, contact a professional.
For persistent issues or complex problems, it is recommended to contact a qualified technician or Marey customer support.
Especificaciones técnicas
| Especificación | Detalle |
|---|---|
| Marca | MAREY |
| Modelo | ECO180 |
| Dimensiones del producto (ancho x alto x profundidad) | 11" x 16.5" x 3.5" |
| Color | Plata |
| Quétage | 18 kilovatio |
| Volumentage | 240 voltios |
| Temperatura máxima | 125 grados Fahrenheit |
| Salida de calor | 18 kilovatios |
| Eficiencia | Altamente eficiente |
| Presión máxima de funcionamiento | 87 libras por pulgada cuadrada |
| Tipo de montaje | Muro |
| es eléctrico | Sí |
| Fabricante | Marey |
| Código Postal | 764177000255 |
| Número de pieza | ECO180 |
| Peso del artículo | 17.6 libras |
| Finalizar | Acero inoxidable |
| Método de instalación | Vertical |
| Cantidad de artículos del paquete | 1 |
| Consumo de agua | 4.4 galones por minuto |
| Estilo de pantalla | Panel digital |
| Uso | Adentro |
| Componentes incluidos | 1 unit of ECO180, manual, warranty booklet and mounting hardware. |
Garantía y atención al cliente
Garantía: The Marey ECO180 Electric Tankless Water Heater comes with a 5-year limited warranty from the manufacturer. Please refer to the warranty booklet included with your product for full terms and conditions regarding coverage and claims.
Atención al cliente: For technical assistance, parts, or warranty claims, please contact Marey customer support. Refer to the contact information provided in your product packaging or on the official Marey websitio.