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Mizudo FEMV18WA - User Manual

Mizudo FEMV18WA
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Installation and Operation Manual
Electric Tankless Water Heater
FEMV18WA
MODEL:
WARNING
Use this manual for installations in the United States of America: Please read all
instructions before using this water heater. Failure to follow the information in these
instructions may result in fire, electric shock, property damage, injury or death.

Questions and Answers

  • C
    Caitlin WardAug 15, 2025
    Why is my Mizudo Water Heater water temperature too high?
    • D
      Daniel NelsonAug 15, 2025
      The water temperature from your Mizudo Water Heater might be too high due to several reasons: * The water flow could be too small; in this case, adjust the valve to increase the water flow. * There might be a pipeline jam; try clearing the inlet filter and shower head. * The power or temperature might be set too high; select a lower power level or turn down the temperature.
  • R
    Robert MurphyAug 18, 2025
    What to do if my Mizudo Water Heater water is too cold?
    • B
      bgrossAug 18, 2025
      If the water from your Mizudo Water Heater is too cold, consider the following: * The flow rate might be too high; adjust the valve to decrease the water flow. * The voltage might be less than 240V; check if the voltage is too low. * The temperature setting might be too low; select a higher temperature setting. * You might be mixing too much cold water; try mixing less cold water.
  • R
    Ryan BlakeAug 21, 2025
    What to do if Mizudo Water Heater circuit breaker switch off the power?
    • D
      Danny RamirezAug 21, 2025
      If the circuit breaker switch turns off the power to your Mizudo Water Heater, it could be due to: * Leakage of electricity. In this case, stop using the appliance and send it back to after-sales service for repair. * The circuit breaker aging. Replace the circuit breaker. * The AMPS load is not enough. Use a circuit breaker with a higher current.
  • W
    William MarshAug 25, 2025
    How to fix leakage in the joint of Inlet and outlet pipe of Mizudo Water Heater?
    • M
      Mr. Jeffrey DownsAug 25, 2025
      If you notice a leakage in the joint of the inlet and outlet pipe of your Mizudo Water Heater: * It might be due to a poor connection of the inlet and outlet pipe. Try reconnecting the pipe. * The rubber washer might be damaged. Replace the washer.
  • H
    Haley WareAug 28, 2025
    Why is my Mizudo Water Heater water temperature unstable?
    • B
      brandonwrightAug 28, 2025
      Unstable water temperature in your Mizudo Water Heater might be because the voltage or water pressure is unstable. Ensure that the voltage and water pressure are back to normal.
  • C
    Cynthia GarzaAug 31, 2025
    What to do if the screen has no display on Mizudo Water Heater?
    • N
      Nathan ReeseAug 31, 2025
      If the screen on your Mizudo Water Heater has no display: * Check if the power is not connected. Close the switch to connect the power. * The screen might be damaged. Replace the screen. * The power supply might not be 240V. Change to a 240V power supply.
  • R
    Rachel SmithSep 4, 2025
    Why is the water flow smaller and smaller in my Mizudo Water Heater?
    • Y
      Yvette BlakeSep 4, 2025
      If the water flow in your Mizudo Water Heater is decreasing, it is likely that the inlet filter or shower is blocked by water impurities. Remove the inlet pipe and clean the inlet filter/shower.
  • C
    Christopher JohnsonSep 7, 2025
    What to do if temperature exceed 149 °F / 65 °C in Mizudo Water Heater?
    • C
      Carl MontoyaSep 7, 2025
      If the temperature of your Mizudo Water Heater exceeds 149 °F / 65 °C, select a lower power level or turn down the temperature. You can also increase the water flow.
  • S
    Stephanie GeorgeSep 12, 2025
    What to do if Mizudo Water Heater has no over-zero signal?
    • M
      Michael PearsonSep 12, 2025
      If your Mizudo Water Heater shows no over-zero signal, check that the voltage meets the installation requirements. It is also possible that there is interference from high-power equipment nearby.

Summary

Explanation of Symbols and Safety Instructions

Recognize Safety Information

Safety alert symbol indicates potential injury hazards. Obey messages to avoid injury or death.

Understand Signal Words

Signal words (DANGER, WARNING, CAUTION, NOTICE) identify hazard levels and messages.

Important Safety Messages

Discusses safety and energy conservation for water temperature settings and scalding risks.

General Information

Unit Specifications

Provides a visual overview of the water heater unit with labeled components.

Technical Parameters

Lists technical specifications like voltage, power, breaker size, flow rates, and dimensions.

Installation

Quick Start Guide

Provides initial steps for mounting, water connections, and basic operation setup.

Before Installation Process

Lists crucial guidelines and cautions for selecting an installation location.

Prepare for Installation

Lists the parts included in the package and the tools required for installation.

Installation Instructions

Details the steps for mounting the water heater unit on the wall using brackets.

Plumbing Installation

Explains how to connect water pipes, including pipe codes, connections, and recommended hoses.

Electrical Connections

Covers electrical requirements, connections, breaker types, and safety precautions for wiring.

Installation Diagram

Illustrates the plumbing and electrical connections for the water heater unit.

Operation

Operation Instructions

Guides the user on how to turn on the unit, purge air, set temperature, and check water.

Normal Maintenance

Troubleshooting

Malfunction Code

Lists error codes, their failure analysis, and suggested solutions.

Diagnostic Chart

Presents common issues, their causes, and corresponding solutions in a chart format.

Circuit Diagram

Packing List

Warranty Policy

What is Covered

Details the scope of the limited warranty for defects in materials or workmanship.

Coverage Duration

Specifies the duration of warranty coverage for different parts of the product.

Warranty Limitations

Outlines restrictions, exclusions, and limitations on the warranty coverage.

How To Obtain Service

Provides instructions on how to contact customer service for warranty claims and service.

What Is Not Covered

Lists specific conditions and actions that will void the limited warranty.

Mizudo FEMV18WA Specifications

General IconGeneral
TypeElectric
Capacity18 liters
MountingWall-mounted
Voltage220-240 V
MaterialStainless Steel
Temperature ControlAdjustable Thermostat