Modena ES 15A3 User Manual Book

Modena ES 15A3 User Manual Book

Electric storage water heater

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User
Manual Book
Electric Storage Water Heater
Unica Series
ES 10A3, ES 15A3

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Table of Contents
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Summarization of Contents

Important Safety Information
General Installation and Use Remarks
Installation/maintenance by professionals. MODENA not liable for incorrect procedures or failure to follow instructions.
Key Cautions for Safe Operation
Ensure grounded socket, avoid extension cords. Specifics on cord replacement, grounding, height, wall load.
Pressure Relief Valve and Filling Procedures
User Safety and Normal Dripping
Not for unsupervised use by children/reduced capability persons. Dripping from relief hole is normal.
Drainage, Temperature, and Cord Safety
Water Pressure and Device Maintenance
Max 0.8 MPa pressure. Operate relief device regularly to prevent blockage.
Draining Water Tank Method
Drain via safety valve by removing screw nail and lifting handle. Ensure downward pipe connection.
Product Introduction
Product Nomenclature and Specifications
Explains model code ES XXA3 and lists technical parameters like voltage, power, capacity, and IPX4 rating.
Installation
Product Structure and Key Features
Diagram of components. Highlights Super Tank, enamel coating, energy saving, and heating power.
Wall Mounting and Support Needs
Install on solid wall. Use support if wall strength is insufficient for double the water heater's weight.
Bracket Installation and Heater Mounting
Power Socket Installation Guidelines
Install 220V socket above heater, min 1.8m from ground, for safe electrical connection.
How to Use
Pre-Operation Checks and ELCB Test
Check piping, fill tank, and perform ELCB safety test before initial use.
Thermostat Operation Basics
Thermostat automatically controls temperature, switching the heater on/off to maintain set point.
Operating Controls and Indicators
Heating Process and Safety Valve Care
Heating takes time. Normal dripping from safety valve; keep outlet pipe open to air.
Heating and Safety Feature Functions
Heating range 30-75°C. Safety features include anti-dry and overheat protection.
Maintenance
Critical Safety Precautions for Maintenance
Disconnect power before maintenance. Check plugs/sockets. Handle thermal switch reset carefully.
Winterizing and Internal Component Care
Drain tank for frost protection. Clean tank, heating element, and check magnesium anode.
Tank Cleaning Procedure
Safety Valve Cleaning Procedure
Procedure for cleaning the safety valve: remove, wash, check mobility, reinstall with seal tape.
Troubleshooting
Anode and Heating Element Maintenance
Replace anode every 1-2 years. Clean heating element annually for efficiency.
Troubleshooting Indicator Lights and Water Flow
Diagnosing issues with indicator lights and no hot water flow; checking supply and valves.
Troubleshooting Temperature and Water Leaks
Responsible Product Disposal
Proper disposal of the product as electrical waste at designated recycling points to protect the environment.
Specification
Model ES 15A3 & ES 10A3 Specifications
Comprehensive technical specifications for both models, covering dimensions, capacity, power, and materials.
Appendix: Wiring Diagram
Electrical Wiring Diagram Overview
Visual representation of the electrical circuit, including safety features, controls, and heating elements.

Table of Contents