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Operating Instructions
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Please read these installation instructions carefully before installing and using
the appliance. Keep these installation instructions with the appliance.
Always act in accordance with the instructions indicated.
1
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Table of Contents
Related Manuals for Intergas 24 OV
Summarization of Contents
Safety Regulations
General
Discusses legal requirements and recommendations for gas appliance installation.
The installation
Outlines British Standards codes of practice for boiler installation.
Approvals
Lists relevant approvals and listings for the boiler model.
Technical data
Provides key technical specifications for the boiler models.
Product FICHe according to CELEX-32013R0811, ANNEX IV
Displays energy performance data as per EU regulations.
Components
Identifies and labels the main parts of the boiler.
General Boiler Information
General
Overview of the boiler's suitability for open vent systems and features.
Boiler controller
Describes the electronic control unit and its functions.
Parameter list
States all adjustments are accessible via the software parameter list.
Heat transfer
Explains the heat transfer mechanism via heat exchanger and fan.
Central heating system
Mentions the external pump connection for the CH system.
Room temperature control
Details how room temperature is managed via thermostats.
Integrated clock
Describes the boiler's built-in clock for setting heating periods.
Installation
Overall dimensions
Provides detailed dimensional drawings and pipe connection sizes.
Installation location
Specifies recommended clearances and siting requirements for the boiler.
Installing the appliance
Step-by-step guide for physically mounting and connecting the boiler.
Installing in a kitchen cupboard
Specific ventilation requirements for cupboard installations.
Removing cover plate and front panel
Steps to remove the boiler's casing for access.
Fitting the cover plate
Instructions for attaching the appliance's cover plate.
Connection
Connecting CH installation
Instructions for flushing and connecting the central heating system pipes.
Gas connection
Details on connecting the appliance to the gas supply and checking for leaks.
Electrical connection
Guidance on making the necessary electrical connections to the boiler.
Condensate disposal
Instructions for safely draining and disposing of condensate.
Flue system
Information on installing the flue system for safe exhaust of combustion gases.
The CH system should be equipped with:
Lists essential components for the CH system.
Thermostatic radiator valves
Advice on auto bypass when using TRVs.
Electrical connections
Details wiring for thermostats and sensors.
On / off room thermostat (low voltage)
Wiring instructions for low voltage thermostats.
Open Therm room thermostat
Wiring for OpenTherm compatible thermostats.
Outside temperature sensor
Connection of an external sensor for weather compensation.
230 volt room thermostat
Wiring instructions for 230V thermostats.
Flue pipe and air supply
Details on flue adapter and approved flue products.
Flue pipe position
Guidelines for safe placement of flue terminals.
Length flue pipe and air inlet
Table of maximum flue lengths and bend allowances.
Horizontal flue system
Requirements for installing horizontal flue runs.
Vertical flue system
Information on installing vertical flue systems.
Plume management kit
Details on the plume management kit and its installation.
Flues in voids
Requirements for installing flues within concealed spaces.
Commissioning the Appliance
Filling and venting the appliance and the installation
Procedures for filling the system and removing air.
CH system
Steps for filling and venting the central heating system.
Gas supply
Procedures for checking gas supply pressure and static pressure.
Combustion
Checks for correct combustion performance and flue integrity.
Flue system
Ensures correct flue connection and termination for safe operation.
Commissioning the appliance
Step-by-step guide to initial boiler setup and checks.
Setting and adjusting the clock functions
How to set the integrated clock and timer functions.
Setting the clock
How to set the current time on the boiler's clock.
Setting the timer function
How to program heating on/off periods.
Additional functions
Explains extra operational modes like 't-on' and 'c-on'.
Shutting down
Procedures for safely shutting down the appliance.
Frost protection
Details on preventing freezing of the condensate drain pipe and appliance.
Preface
Regulation
Details compliance with statutory instruments and directives.
Warnings
General warnings regarding installation, performance, and warranty.
Manual handling
Guidelines for safely lifting and moving the boiler.
Warnings on the box
Explains the meaning of pictograms found on the product packaging.
Pictograms
Defines the various safety and warning symbols used in the manual.
Operation
General
Overview of the boiler's modulating high efficiency operation.
Central heating mode
Explains how the boiler operates during central heating demand.
Operating modes
Describes the different operating states of the appliance.
Clock function
Details the boiler's timer functions and programming options.
PC interface
Information on connecting the boiler to a PC for monitoring.
Test programs
Explains how to use test modes for diagnostic purposes.
Frost protection
Information on the boiler's internal frost protection mechanism.
Setting and Adjustment
Directly via the operating panel
Functions controllable directly from the boiler's control panel.
Appliance on/off
How to start and stop the boiler using the power button.
Resetting
Procedure for resetting the boiler after a fault.
Changing the settings of the various functions
How to navigate and change user settings.
Maximum CH supply temperature
Setting the maximum flow temperature for central heating.
Setting via the service code
Procedure to access and change installer settings.
Parameters
Detailed table of adjustable parameters and their settings.
Setting maximum CH power
Adjusting the maximum heating output via fan speed.
Adjusting pump setting
Guidance on setting the external pump speed.
Weather- compensation adjustment
How to set up external sensor for weather-dependent heating.
Gas-Air Ratio Control
Checking the gas air ratio control
Procedures for checking flue gas composition.
Checking flue gas at maximum power.
Steps to measure flue gas parameters at maximum output.
Checking flue gas at minimum output
Steps to measure flue gas parameters at minimum output.
Correction gas air ratio on minimum power
How to adjust gas-air ratio for minimum output.
Conversion to Different Gas Type
Converting the gas restriction.
Steps to change the gas metering ring for different gas types.
Faults
Fault codes
Table of fault codes, their display and possible solutions.
Other faults
Troubleshooting for common issues not covered by fault codes.
Burner does not ignite
Identifies causes and solutions for ignition failures.
Burner ignites noisily
Troubleshooting for noisy burner operation.
Burner resonating
Troubleshooting for burner resonance issues.
No heating (CH)
Diagnosing and resolving central heating failure.
The power is reduced
Troubleshooting reduced boiler output.
CH does not reach temperature
Diagnosing why central heating is not reaching target temperature.
No hot water (only when an indirectly heated DHW storage cylinder is applied)
Troubleshooting hot water supply issues.
Hot water does not reach temperature (only when an indirectly heated DHW storage cylinder is applied)
Diagnosing low hot water temperatures.
Maintenance
Disassembly
Step-by-step guide for taking the boiler apart for servicing.
Cleaning
Procedures for cleaning the boiler's components.
Assembly
Steps to reassemble the boiler after maintenance.
Combustion
Checks required for combustion performance after maintenance.
Electrical Connections
Wiring diagram
Visual representation of the boiler's electrical connections.
NTC resistances
Table showing NTC sensor resistance values at different temperatures.
Typical Y Plan connection
Wiring diagram for a Y Plan heating control system.
Typical S Plan connection
Wiring diagram for an S Plan heating control system.
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