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SIVUATEK M1-65 - User Manual

SIVUATEK M1-65
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Electric Tankless Water Heater
Installation and Instruction Manual
Model:M1-65
Congratulations on the outstanding choice, the SIVUATEK tankless water is one of
the best options at the market today, with optimal quality and advanced tech
application.It is highly recommanded that you should take time to go through this
instruction manual to get full understanding and safety tips prior to installation, so
as to avoid any risk of property damage or serious injury.
This manual should be left to he houseowner after installation, for further guideline
of maintenance and troubleshooting.

Table of Contents

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Overview

  1. Function Description
  2. Important Technical Specifications
  3. Usage Features
  4. Maintenance Features

This document describes the SIVUATEK Electric Tankless Water Heater, Model: M1-65, an appliance designed for household and indoor use, providing on-demand hot water. It is ETL Listed with Intertek 5020778, conforming to UL STD.499 and certified to CSA STD.C22.2 NO.64.

Function Description:

The SIVUATEK tankless water heater provides instant hot water without the need for a storage tank. It heats water as it flows through the unit, ensuring a continuous supply of hot water. The device features an electronic control on the front for regulating water temperature, which is displayed on an LED screen. It is designed to be permanently connected to a fixed double pole circuit breaker and must be installed vertically. The unit activates with a minimum water flow of 0.5 GPM (1.93 L/min).

Important Technical Specifications:

  • Model: M1-65
  • Voltage: 240V~
  • Power: 6.5KW
  • Min. Required Circuit Breaker Size: 30AMP
  • Max. Amperage: 27A
  • Recommended Wire Size: 10AWG
  • Min. Water Flow to Activate the Unit: 0.5GPM / 1.93L/min
  • Safe Operating Pressure: 2.9PSI-120PSI
  • Water Connections: 1/2"NPT
  • Installation: Wall mounted
  • Temperature Setting: Digital Panel, adjustable between 86-131°F (30-55°C)
  • Dimensions: 10.51" (267mm) x 9.17" (233mm) x 2.09" (53mm)
  • Weight: 4.5lbs
  • Temperature Increase Per GPM (based on 68°F inlet water):
    • 0.5GPM: 78°F increase
    • 0.7GPM: 58°F increase
    • 1.0GPM: 42°F increase (resulting in 110°F hot water)
    • 1.2GPM: 35°F increase
    • 1.3GPM: 32°F increase
    • 1.5GPM: 27°F increase

Usage Features:

  • Digital Display and Control: The unit features an LED display showing the actual temperature and control keys for power ON/OFF and temperature adjustment.
  • Temperature Adjustment: Users can set the desired outlet water temperature between 86-131°F (30-55°C) using UP and DOWN arrows.
  • Fahrenheit/Celsius Switch: The default setting is Fahrenheit. To switch to Celsius, users must shut off water flow to enter standby state, then touch and hold the "power" button for about 5 seconds.
  • Safety Features:
    • The thermostat is factory-set at 104°F to comply with safety regulations.
    • Warnings are provided regarding scalding risks, especially for children, disabled, and elderly persons, recommending a 120°F or lower setting.
    • The unit must be EARTHED and all wiring and installation supervised by a qualified electrician.
    • It is forbidden to operate the appliance if it might be frozen, as this can cause permanent damage.
    • Users are advised to feel the outgoing hot water temperature with their hands before showering to avoid scalding.
    • If the unit is paused and then restarted, a short burst of very hot water may occur; users should run water for a few seconds to stabilize the temperature.
  • Recommended Use: For optimal warm experience, the M1-65 is suggested for a single faucet at a time. In warmer climates (Southern US), it may support a shower.

Maintenance Features:

  • Regular Cleaning: Periodically remove scales and dirt from the faucet aerator or shower head.
  • Inlet Filter Cleaning: The built-in filter at the inlet connection should be cleaned from time to time. This requires cutting off the water supply and can be done by reversing inlet and outlet pipe connections, then opening the faucet to flush the filter.
  • Descaler Device: If installed in a hard water area, a descaler device is recommended on the inlet pipe to prevent scale build-up and ensure a long lifespan. The filter for this device should be changed annually or as per the manufacturer's instructions.
  • Winterization: If the unit is not used in winter, drain out the water completely to prevent freezing.
  • Air Purging: After any maintenance that introduces air into the plumbing pipes, it is crucial to purge all air out by running water through the heater for 2-3 minutes before turning on the power. Failure to do so can cause serious damage to the heating elements.
  • Cleaning: Use only a damp cloth with mild detergent; do not use thinner, alcohol, petrol, or other organic solutions.
  • Troubleshooting: A diagnostic chart is provided for common malfunction codes (E1, E2, E3, E4, F0) with suggested solutions, including increasing water flow, adjusting temperature, or contacting customer service.
  • Warranty: The unit comes with a two-year warranty against manufacturing defects. For warranty claims or technical support, customers are advised to contact SIVUATEKUS@outlook.com with details of the issue, product name, model, and purchase date.

SIVUATEK M1-65 Specifications

General IconGeneral
BrandSIVUATEK
ModelM1-65
CategoryWater Heater
LanguageEnglish