Table of Contents
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Advanced High Efficiency Boilers
H12, H16, H19, H22
(V3 Flue System)
Wall mounted, balanced flue, fanned gas boiler
For details of document amendments, refer to page 3
October 2007
UIN 203323 A02
Installation & Servicing Instructions
See reverse for evo HE Users Guide
Manufactured exclusively for Wolseley Centers Ltd. by Ideal Boilers
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Table of Contents
Related Manuals for Evo HE H16
Summarization of Contents
evo HE Advanced High Efficiency Boilers
Installation & Servicing Instructions
Comprehensive guide for installing and servicing the evo HE boiler.
Document Amendments
Summary of Installation Changes
Lists relevant installation changes implemented in the document from Mod Level A01 to A02.
General Boiler Information
Boiler Data Specifications
Details boiler specifications, including gas supply, dimensions, and performance data.
Performance Data Tables
Presents performance data for various boiler sizes and operating temperatures.
General Information and Contents
Benchmark Commissioning Checklist Details
Information required for the Benchmark Commissioning Checklist for boilers and combination boilers.
General Installation Requirements
Boiler Water Connections
Details flow and return pipe connections and notes for boiler installation.
Boiler Clearances and Dimensions
Specifies minimum clearances required for boiler operation and servicing, including flue dimensions.
Introduction and Safety
Boiler Description and Operation
Introduces the evo HE range, its features, and operational characteristics.
Safe Handling Procedures
Outlines precautions for safely handling the boiler during installation.
Safety and Regulatory Compliance
Details safety requirements and compliance with relevant Gas Safety, Building, and Wiring Regulations.
Installation Guidelines
Safe Handling of Substances
Advises on handling boiler insulation panels and avoiding contact with skin.
Boiler Location and Installation
Specifies requirements for boiler location, including timber-framed buildings and bathroom installations.
Gas Supply Requirements
Outlines requirements for the gas supply, meter, and connections according to regulations.
Flue Installation Requirements
Provides guidance on flue terminal positioning and minimum spacing requirements.
General Installation Considerations
Flue Terminal and Air Supply
Discusses flue terminal placement and air supply requirements for boiler operation.
Water Circulation and Treatment
Details water circulation system requirements and water treatment recommendations.
Boiler Control Interlocks and Electrical Supply
Explains boiler control interlocks and electrical supply safety precautions.
System Requirements and Balancing
Open Vent System Requirements
Specifies requirements for open vent systems, including feed and vent connections.
Schematic Pipework and System Balancing
Guides on system pipework layout and balancing procedures for optimal performance.
System Installation Requirements
Open Vent Systems for Large Systems
Discusses open vent system arrangements for large systems with extensive pipe runs.
Sealed System Requirements (General)
Covers general requirements for sealed systems, including compliance and component suitability.
Sealed System Requirements (Continued)
Expansion Vessel and Cylinder Requirements
Details requirements for expansion vessels, cylinders, and make-up water systems.
Mains Connection and System Filling
Outlines procedures for mains connection, system filling, and pressure testing.
Sealed System and Water Treatment
Expansion Vessel Sizing
Provides a table for sizing expansion vessels based on system water content and pressure.
Water Treatment Recommendations
Advises on water treatment to prevent corrosion and scale in central heating systems.
Installation: Boiler Assembly
Boiler Exploded View and Parts Legend
Illustrates the boiler assembly with a legend identifying all components.
Installation: Unpacking and Packaging
Boiler Unpacking Procedure
Step-by-step instructions for unpacking the boiler and checking contents.
Packaging Removal Guidelines
Procedures for safely removing packaging materials from the boiler.
Installation: Flue Preparation
Bottom Panel Removal
Instructions for removing the bottom panel of the boiler for access.
Determining Flue Length and Packs
Guidance on calculating the required flue length and selecting appropriate flue kits.
Installation: Flue and Wall Mounting
Flue Assembly and Dimensions
Details flue assembly components and options for different wall thicknesses.
Wall Mounting Template Usage
Instructions on using the wall mounting template for accurate drilling and positioning.
Installation: Flue Setting
Preparing the Wall for Flue Installation
Steps for cutting the flue hole and drilling for the wall mounting plate.
Setting the Rear Flue
Procedures for setting the rear flue, including measurements and sealing.
Setting the Side Flue
Procedures for setting the side flue, including measurements and sealing.
Installation: Flue Extension Ducts
Flue Extension Duct Kit Contents
Lists components included in the Pack D flue extension duct kit.
Using Flue Extension Ducts and Fitting
Guidelines for using flue extension ducts for longer runs and fitting the kit.
Installation: Condensate Drain
Condensate Drain Installation
Details on connecting the condensate drain to a suitable drainage point.
Condensate Pipe Termination Configurations
Illustrates different configurations for terminating condensate drainage pipes.
Installation: Condensate Pipe Termination
Condensate Pipe Termination Options
Shows further configurations for condensate pipe termination, including soil stacks and soakaways.
Installation: Boiler Mounting and Flue Connection
Mounting the Boiler onto the Wall Plate
Steps for lifting and securing the boiler onto the wall mounting plate.
Connecting the Flue Turret to the Boiler
Procedures for fitting the flue turret, including sealing and securing it to the boiler.
Installation: Roof Flue Kit
Fitting the Optional Roof Flue Kit
Instructions for installing the optional roof flue kit for vertical terminations.
Roof Flue Kit Contents and Options
Lists the components and options available for the roof flue kit.
Installation: Flue Terminal Position
Flue Terminal Positioning Guidelines
Specifies minimum dimensions and positioning requirements for flue terminals on flat and pitched roofs.
Installation: Flue Arrangement
Flue Arrangement Options
Illustrates typical flue arrangements using weather collars for flat and pitched roofs.
Installation: Assembling the Roof Flue Kit
Assembling the Roof Flue Kit Components
Step-by-step guide for assembling the roof flue kit, including cutting and sealing.
Installation: Connections
Gas Connection Procedures
Details on making the gas connection to the boiler, including safety and supply pipe requirements.
Boiler Water Connections
Instructions for connecting the boiler flow and return pipes.
Electrical Connections and Safety
Guidelines for electrical connections, including supply voltage, wiring, and isolation.
Installation: Internal Wiring
Internal Wiring Details
Instructions and diagrams for routing and connecting the internal mains wiring.
Installation: Wiring Diagrams
Pictorial Wiring Diagram
A visual representation of the boiler's internal wiring connections.
Functional Flow Wiring Diagram
A schematic diagram showing the functional flow of electrical connections within the boiler.
Installation: External Controls and Commissioning
External Electrical Controls
Guidance on wiring external controls like room thermostats and frost thermostats.
Commissioning and Testing Procedures
Steps for electrical and gas installation checks, soundness tests, and purging.
Installation: Initial Lighting
Initial Lighting and Boiler Operation
Step-by-step guide for the initial lighting sequence and establishing burner operation.
Installation: Checks and Handover
General Operational Checks
Procedures for checking central heating, gas rate, and water circulation systems.
Handing Over the System to the Householder
Guidance for the installer on explaining boiler operation, controls, and maintenance to the user.
Servicing: Schedule and Panel Removal
Servicing Schedule Recommendations
Recommended frequency and procedures for regular boiler servicing.
Boiler Front Panel Removal
Instructions for removing the boiler's front panel for access.
Boiler Sealing Panel Removal
Steps for removing the sealing panel and bottom panel for servicing.
Servicing: Component Cleaning and Removal
Fan and Venturi Assembly Cleaning
Procedures for removing and cleaning the fan and venturi assembly.
Burner Removal and Cleaning
Instructions for removing and cleaning the boiler's main burner.
Servicing: Component Cleaning and Reassembly
Cleaning the Condensate 'S' Trap
Steps for cleaning the condensate 'S' trap to prevent blockages.
Cleaning the Heat Exchanger
Guidance on cleaning the heat exchanger fins and sump area.
Boiler Reassembly Procedure
Order of reassembly after servicing components.
Servicing: Component Replacement
General Component Replacement Procedures
General safety precautions and steps before replacing any boiler component.
Control Thermistor Replacement
Detailed steps for replacing the control thermistor on the flow pipe.
Servicing: Component Replacement (Continued)
Fan Replacement Procedure
Step-by-step instructions for replacing the boiler fan assembly.
Burner Replacement Procedure
Guidance on removing and replacing the boiler burner.
Servicing: Electrode Replacement
Ignition Electrode Replacement
Procedures for removing and replacing the ignition electrode, including gap settings.
Flame Detection Electrode Replacement
Steps for replacing the flame detection electrode and checking its dimensions.
Servicing: Component Replacement (Continued)
Spark Generator Replacement
Instructions for replacing the spark generator unit.
Burner Injector Replacement
Steps for removing and replacing the burner injector housing.
Gas Control Valve Replacement
Procedures for replacing the gas control valve assembly.
Servicing: Component Replacement (Continued)
Control Box Replacement
Detailed steps for replacing the main control box and user control unit.
Mains Switch Replacement
Instructions for replacing the boiler's main power switch.
Servicing: Component Replacement (Continued)
Overheat Thermostat Replacement
Steps for replacing the overheat thermostat.
Flue Thermistor Replacement
Procedures for removing and replacing the flue thermistor.
Servicing: Combustion Chamber Insulation Replacement
Combustion Chamber Insulation Replacement
Detailed procedure for replacing insulation boards in the combustion chamber, including safety precautions.
Servicing: Heat Exchanger Replacement
Heat Exchanger Replacement Procedure
Comprehensive steps for removing and replacing the boiler's heat exchanger.
Servicing: Panel and Trap Replacement
Boiler Sealing Panel Seal Replacement
Instructions for replacing the seals on the boiler sealing panel.
Condensate 'S' Trap Replacement
Steps for removing and replacing the condensate 'S' trap.
Fault Finding: Main Menu
Fault Finding Chart Overview
Introduces the LED diagnostic display and lists fault codes with corresponding frame references.
Fault Finding: Flame and Board Errors
Flame Error Troubleshooting (L.....F.......)
Diagnostic steps for flame errors, covering gas pressure, electrodes, and spark generator.
Board Error Troubleshooting (L.....Ε...... / Η.....Ε......)
Procedures for diagnosing and resolving board errors, including PCB checks.
Fault Finding: Overheat, Fan, and Flow Errors
Overheat Error Troubleshooting (L.......A........)
Steps to diagnose and resolve overheat errors, checking system fill and pump settings.
Fan Error Troubleshooting (L....8.....)
Diagnostic steps for fan errors, checking DC voltage and wiring.
Flow Thermistor Error Troubleshooting (Η.....1.....)
Procedures for diagnosing flow thermistor errors, checking resistance and continuity.
Fault Finding: Thermistor and Phase Errors
Flame Detection Error Troubleshooting (H......F........)
Steps for diagnosing flame detection short circuit errors.
Flue Thermistor and Gas Overheat Errors (H.....4...... / H9/L9)
Diagnostic steps for flue thermistor and flue gas overheat errors.
Phase Reversal Error Troubleshooting (Η............... )
Checks for phase reversal errors, focusing on wiring.
Parts List
Short List of Commonly Required Parts
Lists key part numbers and descriptions for common replacements.
Parts List (Continued)
Short List of Parts Illustrations
Visual identification of parts listed in the short list.
Boiler Casing Assembly Components
Details the components of the boiler casing assembly.
List of Parts: Assemblies
Controls Assembly Components
Lists components belonging to the boiler's control assembly.
Burner Assembly Components
Details the components of the burner assembly.
Installer Notification Guidelines
CORGI Membership and Notification Requirements
Outlines installer obligations for registering gas appliances and notifying building control.
Benchmark Gas Boiler Commissioning Checklist
Checklist for Controls and System Compliance
Checklist items for controls, system flushing, and compliance with regulations.
Measurement and Recording Requirements
Sections for recording gas rate, pressures, and temperatures for different boiler modes.
Service Interval Record
Service Record Log
A logbook for recording details of each service performed on the boiler.
Benchmark and CE Mark
Benchmark Code of Practice and CE Certification
Indicates adherence to the Benchmark code and CE certification for the appliance.
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