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EHC Fusion E10 Combi Series - User Manual

EHC Fusion E10 Combi Series
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EHC Fusion E10 Combi Series
Combination Boiler Range
Installation and
technical manual
THESE INSTRUCTIONS SHOULD BE READ CAREFULLY AND
RETAINED FOR FUTURE REFERENCE.
The Fusion E10 must be installed by a competent person with accordance
with this installation manual and all relevant regualtions in force at time of
installation
The Fusion E10 combination unit’s Unvented Cylinder is a controlled service
as defined in the latest edition of the building regulations.
The relevant regulations are:
England and Wales – Building Regulation G3
Scotland – Technical Standard P3
N Ireland – Building Regulation P5
After installation the Benchmark log table on page X must be completed
and left with the householder for future reference.
The Electric Heating C
ompany Ltd
Unit 40, Block 5, Third Road, Blantyre Industrial Estate, Blantyre, Glasgow, G72 0UP
Tel. 01698 820533
Fax. 01698 825697
info@electric-heatingcompany.co.uk
www.electric-heatingcompany.co.uk
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Summary

Introduction

Safety

Storage, Handling, and Unpacking

Contents Check List

Key Components

Technical Specifications

Technical Specifications - General

Details general technical specifications including output, supply, load, protection, and temperature settings.

Technical Specifications - Performance

Provides performance data, specifically time to reheat for different cylinder capacities and power outputs.

Technical Specifications - Dimensions

Outlines the physical dimensions of the unit and recommended clearance zones for installation.

Installation - Siting

Siting - Choosing a Location

Specifies requirements for the installation location, including environment, surface, and necessary clearances.

Siting - Removing Panels

Provides instructions on how to safely remove the front door and top panel for installation access.

Installation - Plumbing

Plumbing - Water Supply Requirements

Details the necessary water supply pressure and flow rates required for the unit's optimal performance.

Plumbing - Cold Mains Pipework Example

Illustrates the procedure and considerations for running the cold water main pipework to the unit.

Plumbing - Balanced Cold Connection

Explains the necessity and method for providing a balanced cold water supply for specific outlets like mixer taps.

Plumbing - Hot Water Pipework

Guides on running the hot water pipework, emphasizing reducing volume for quicker delivery.

Installation - Discharge Arrangement

Discharge Arrangement - Worked Example

Demonstrates a practical example of sizing copper discharge pipes based on length, bends, and resistance.

Installation - External Pipework Schematic

Installation - Central Heating Pipework

Central Heating Pipework - System Design

Discusses system design considerations, including the automatic bypass valve setting and system bypass radiator.

Central Heating Pipework - System Flushing

Recommends power flushing for existing systems and highlights the unit's magnetic filter.

Central Heating Pipework - System Pressures

Specifies the normal working pressure for the boiler and the importance of pressure testing connections.

Central Heating Pipework - System Protection

Outlines the essential cleansing and inhibiting procedures required to protect the system and maintain warranty.

Installation - Electrical

Electrical - Cable Entry Positions

Describes the locations for routing electrical supply cables into the unit and securing them.

Electrical - Immersion Heater Mains Supply

Details the recommended connection method for the 3 Kw backup immersion heater.

Electrical - Fusion Boiler Mains Power Supply

Shows the wiring diagram for connecting the main power supply to the Fusion boiler.

Electrical - TLX4101 Room Thermostat

Explains the volt-free connections required for the supplied TLX4101 room thermostat.

Electrical - Control Wiring

Illustrates the control wiring connections for the combination unit, including programmer and actuator connections.

Commissioning - General

Commissioning - Filling the Cylinder

Provides a step-by-step guide for filling the domestic hot water cylinder and checking for leaks.

Commissioning - Filling the Primary Circuit

Details the procedure for filling and purging the sealed central heating system, emphasizing compliance with BS 7593.

Commissioning - Safety Valve Checks

Outlines checks for the temperature and pressure relief valves and their discharge flow.

Commissioning - Preliminary Electrical Checks

Lists essential checks for electrical connections, bonding, and system integrity before power-up.

Commissioning - Start Up Procedure

Describes the initial start-up sequence, including power application, pump operation, and thermostat settings.

Commissioning - Programmer

Programmer - Selecting Operating Mode

Explains the four operating modes (ON, AUTO, ALLDAY, OFF) for heating and hot water control.

Programmer - Setting Date and Time

Guides the user on how to correctly set the date and time on the programmer for accurate scheduling.

Programmer - Changing Programme Times

Details the process for modifying the pre-set heating and hot water ON/OFF times to suit user requirements.

Programmer - Using Advance Function

Explains how to temporarily override the programmed heating or hot water schedule.

Programmer - Using +HR Buttons

Describes how to temporarily extend heating or hot water run times using the dedicated +HR buttons.

Programmer - Power Interruption

Informs about the programmer's backup battery function during mains supply failures to retain settings.

Programmer - Resetting the Programmer

Provides instructions on how to reset the programmer to its default factory settings.

Programmer - British Summer Time Adjustment

Notes that the programmer automatically adjusts for British Summer Time changes.

Commissioning - Fusion Boiler Instructions

Fusion Boiler - Introduction

Introduces the Fusion electric boiler, noting its unique operation compared to other boiler types.

Fusion Boiler - Operation

Explains the basic steps for operating the boiler, including switching on/off and calling for heat.

Fusion Boiler - Temperature Setting

Recommends the boiler temperature setting and guides on adjusting it for optimal performance.

Fusion Boiler - Working Parameters Control

Describes how to check various operating parameters like temperatures, flow rate, and power consumption.

Fusion Boiler - Front Control Panel Indicators

Details the meaning of various indicators and buttons on the boiler's front control panel.

Servicing

Servicing - Draining Procedure

Provides instructions on how to safely drain the unit, including isolation and warning about hot water.

Servicing - Annual Maintenance

Outlines the essential annual checks and cleaning procedures for the unit to ensure performance and safety.

Servicing - Spare Parts Information

Lists available spare parts and contact information for ordering them from the manufacturer.

Trouble Shooting

Benchmark Service Record

Guarantee Information

EHC Fusion E10 Combi Series Specifications

General IconGeneral
BrandEHC
ModelFusion E10 Combi Series
CategoryBoiler
LanguageEnglish

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