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Riello Manuals
Boiler
Tregi 5 N
Installation, user-operation, maintenance and system management manual
Riello Tregi 5 N Installation, User-Operation, Maintenance And System Management Manual
Cast iron boilers
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
General
General Safety Information Pag
Precautions
Product Description
Control Panel
Functional Wiring Diagram
Recommended Burners
Data Plate
Identification
Technical Specifications
Accessories
User - System Manager
Start up Pag
Temporary Shutdown
Preparing for Extended Periods of Disuse
Cleaning
Maintenance
Useful Information
Installer
Unpacking the Product Pag
Overall Dimensions and Weights
Handling
Place of Installation
Installation in Older Systems and Systems Requiring Modernisation
Water Connections
Fitting the Casing Panels
Wiring
Combustion Gas Exhaust
Filling and Emptying the System
Technical Assistance Service
Preparing for First Start-Up Pag
Initial Start-Up
Checks During and after Initial Start-Up
Temporary Shutdown
Preparing for Extended Periods of Disuse
Maintenance
Cleaning the Boiler
Cleaning the Storage Cylinder
Troubleshooting
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Table of Contents
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Product Description
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Control Panel
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Functional Wiring Diagram
5
Recommended Burners
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Technical Specifications
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CAST IRON
BOILERS
INSTALLATION, USER-OPERATION, MAINTENANCE
AND SYSTEM MANAGEMENT MANUAL
g NK
g N
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Summarization of Contents
CONFORMITY
RANGE
GENERAL
GENERAL SAFETY INFORMATION
Provides essential safety rules and precautions for boiler operation and maintenance.
PRECAUTIONS
Lists fundamental safety precautions to be respected during appliance operation.
PRODUCT DESCRIPTION
Describes the features and technical aspects of the Tregi cast iron boilers.
CONTROL PANEL
Details the components and functions of the control panel for Tregi N models.
CONTROL PANEL
Details the components and functions of the control panel for Tregi NK models.
FUNCTIONAL WIRING DIAGRAM
Illustrates the electrical connections and components for Tregi N boilers.
FUNCTIONAL WIRING DIAGRAM
Illustrates the electrical connections and components for Tregi NK boilers.
RECOMMENDED BURNERS
Lists compatible Riello burners for optimal performance with Tregi boilers.
IDENTIFICATION
Explains how boilers are identified using data and serial number plates.
DATA PLATE
Details the information found on the boiler's data plate, including technical specifications.
TECHNICAL SPECIFICATIONS
Provides detailed technical specifications for Tregi N models.
TECHNICAL SPECIFICATIONS
Provides detailed technical specifications for Tregi NK models.
STORAGE CYLINDER CHARACTERISTICS
Lists characteristics of storage cylinders for Tregi NK models.
USER - SYSTEM MANAGER
ACCESSORIES
Lists optional accessories available for the boilers.
START UP
Instructions for the initial start-up of the Tregi boiler by a service engineer.
TEMPORARY SHUTDOWN
Procedure for temporarily shutting down the boiler for short periods.
PREPARING FOR EXTENDED PERIODS OF DISUSE
Steps to follow when preparing the boiler for long-term non-use.
CLEANING
Instructions for cleaning the external casing of the boiler.
MAINTENANCE
Emphasizes the legal requirement for periodic maintenance and efficiency measurements.
USEFUL INFORMATION
Section for recording seller, technical assistance, and fuel oil supplier details.
INSTALLER
UNPACKING THE PRODUCT
Guidance on unpacking and identifying components of the Tregi boilers.
OVERALL DIMENSIONS AND WEIGHTS
Provides dimensional and weight data for Tregi N boiler models.
OVERALL DIMENSIONS AND WEIGHTS
Provides dimensional and weight data for Tregi NK boiler models.
HANDLING
Instructions on how to safely handle and unpack the boiler unit.
PLACE OF INSTALLATION
Guidelines for selecting an appropriate and compliant location for boiler installation.
INSTALLATION IN OLDER SYSTEMS AND SYSTEMS REQUIRING MODERNISATION
Checks to perform when installing boilers in existing or modernized heating systems.
WATER CONNECTIONS
Details water connection points and specifications for Tregi N boilers.
WATER CONNECTIONS
Details water connection points and specifications for Tregi NK boilers.
IMPORTANT!
Important safety note regarding minimum water flow rate and return temperature.
Schematic diagram - central heating - TreGi N
Diagram showing the central heating circuit for TreGi N boilers.
Schematic diagram – central heating and domestic hot water production - TreGi NK
Diagram showing circuits for TreGi NK boilers with DHW.
REFERENCE VALUES
Provides reference values for water quality parameters in heating systems.
FITTING THE CASING PANELS
Step-by-step instructions for fitting the casing panels and insulation.
WIRING
Instructions for accessing the control panel terminal strip for wiring connections.
WIRING
Shows electrical connections to the control panel terminal strip for Tregi N and NK models.
Electrical connections to be made by the heating engineer - burner
Details electrical connections required for the burner unit.
NOTE
Important notes regarding routing the burner connection cable.
Automatic shut-off device (DAI)
Information on connecting the automatic shut-off device (DAI).
COMBUSTION GAS EXHAUST
Requirements for flue gas exhaust connection and stack installation.
FILLING AND EMPTYING THE SYSTEM
Instructions for filling the central heating system.
FILLING THE SYSTEM
Detailed steps for filling the central heating circuit and system.
EMPTYING THE SYSTEM
Instructions for emptying the central heating system and storage cylinder.
TECHNICAL ASSISTANCE SERVICE
PREPARING FOR FIRST START-UP
Essential checks to perform before starting up the boiler.
INITIAL START-UP
Step-by-step guide for performing the initial start-up of the boiler.
CHECKS DURING AND AFTER INITIAL START-UP
Procedures to verify correct boiler shutdown and restart after initial start-up.
TEMPORARY SHUTDOWN
Instructions for temporarily shutting down the boiler for short periods.
PREPARING FOR EXTENDED PERIODS OF DISUSE
Steps to follow when preparing the boiler for long-term non-use.
MAINTENANCE
Details the legal requirement and importance of regular boiler maintenance.
CLEANING THE BOILER
Instructions for cleaning the boiler's external and internal parts.
CLEANING THE STORAGE CYLINDER
Procedure for annual servicing and cleaning of the storage cylinder.
TROUBLESHOOTING
Lists common faults, their causes, and recommended solutions.
TROUBLESHOOTING
Continues troubleshooting for specific faults related to safety valves and DHW.
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