Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
Riello Manuals
Boiler
Tregi 3 N
Installation, user-operation, maintenance and system management manual
Riello Tregi 3 N Installation, User-Operation, Maintenance And System Management Manual
Cast iron boilers
Hide thumbs
1
2
3
Table Of Contents
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
page
of
48
Go
/
48
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
Advertisement
Quick Links
1
Table of Contents
2
Product Description
3
Control Panel
4
Functional Wiring Diagram
5
Recommended Burners
6
Technical Specifications
Download this manual
CAST IRON
BOILERS
INSTALLATION, USER-OPERATION, MAINTENANCE
AND SYSTEM MANAGEMENT MANUAL
g NK
g N
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Need help?
Do you have a question about the Tregi 3 N and is the answer not in the manual?
Ask a question
Questions and answers
Related Manuals for Riello Tregi 3 N
Boiler Riello Tregi NK Series Installation, User-Operation, Maintenance And System Management Manual
Cast iron boilers (48 pages)
Boiler Riello Tregi N Series Installation, User-Operation, Maintenance And System Management Manual
Cast iron boilers (48 pages)
Boiler Riello Tregi 4 N Installation, User-Operation, Maintenance And System Management Manual
Cast iron boilers (48 pages)
Boiler Riello Tregi 8 N Installation, User-Operation, Maintenance And System Management Manual
Cast iron boilers (48 pages)
Boiler Riello Tregi 5 N Installation, User-Operation, Maintenance And System Management Manual
Cast iron boilers (48 pages)
Boiler Riello TAU N Series Instructions For The System Manager, Installer And The Technical Assistance Service
(40 pages)
Boiler Riello TAU 150 N Installation, Operation & Maintenance Instructions Manual
Tau series stainless steel condensing boiler (44 pages)
Boiler Riello TAU 35 UNIT Installation And Maintenance Manual
(75 pages)
Boiler Riello TAU 35 UNIT User Manual
(20 pages)
Boiler Riello TAU 55 UNIT Installation And Maintenance Manual
Condensing boilers (72 pages)
Boiler Riello TAU 75 UNIT Installation And Maintenance Manual
Condensing boilers (72 pages)
Boiler Riello TAU 110 UNIT Installation And Maintenance Manual
Condensing boilers (72 pages)
Boiler Riello TAU 150 UNIT Installation And Maintenance Manual
Condensing boiler (72 pages)
Boiler Riello TAU 210 UNIT Installation And Maintenance Manual
Condensing boiler (72 pages)
Boiler Riello TAU 2100 N Installation, Technical Assistance Service And System Management Manual
(44 pages)
Boiler Riello TAU 1750 N Installation, Technical Assistance Service And System Management Manual
(48 pages)
Summarization of Contents
INSTALLATION, USER-OPERATION, MAINTENANCE AND SYSTEM MANAGEMENT MANUAL
GENERAL SAFETY INFORMATION
Precautions
Fundamental safety precautions to be respected during operation.
PRODUCT DESCRIPTION
CONTROL PANEL OVERVIEW
Controls and Indicators
Description of function selector, indicators, gauges, and thermostats.
FUNCTIONAL WIRING DIAGRAM
RECOMMENDED BURNERS
PRODUCT IDENTIFICATION
Data and Serial Number Plates
Location and information provided by product identification plates.
TECHNICAL SPECIFICATIONS
ACCESSORIES AND START UP
Accessories
Optional accessories available for the boiler.
Start Up Procedure
Steps and checks for initial boiler start-up.
TEMPORARY SHUTDOWN
LONG-TERM SHUTDOWN AND CLEANING
Preparing for Extended Disuse
Procedures for preparing the boiler for long periods without operation.
Cleaning Instructions
Guidelines for cleaning the external and internal parts of the boiler.
MAINTENANCE AND USEFUL INFORMATION
Maintenance Requirements
Legal and practical aspects of periodic boiler maintenance.
Useful Information Fields
Fields for recording service and supplier details.
UNPACKING THE PRODUCT
DIMENSIONS AND WEIGHTS
HANDLING THE BOILER
INSTALLATION GUIDELINES
Place of Installation
Requirements for the boiler room and installation location.
Installation in Older Systems
Specific checks for installing in older or modernized heating systems.
Water Connections
Specifications for water fittings on TreGi N models.
SCHEMATIC DIAGRAMS
TreGi N Central Heating
Wiring diagram for TreGi N central heating systems.
TreGi NK Central Heating & DHW
Wiring diagram for TreGi NK central heating and DHW.
FITTING THE CASING PANELS
WIRING CONNECTIONS
BURNER WIRING
COMBUSTION GAS EXHAUST
FILLING AND EMPTYING THE SYSTEM
Filling the System
Step-by-step guide for filling the central heating circuit with water.
FIRST START-UP PROCEDURE
Preparation Checks
Essential checks before performing the initial start-up.
Initial Start-up Steps
Sequence of operations for the boiler's first activation.
POST START-UP CHECKS
SHUTDOWN PROCEDURES
Temporary Shutdown
Procedure for short-term boiler shutdown.
Extended Periods of Disuse
Steps for preparing the boiler for long-term inactivity.
MAINTENANCE
CLEANING THE BOILER
CLEANING THE STORAGE CYLINDER
TROUBLESHOOTING
Common Boiler Faults
Diagnosing issues like dirt, temperature, and fumes.
Heating System Faults
Troubleshooting cold radiators and pump issues.
TROUBLESHOOTING NK AND DHW ISSUES
Safety Valves and Pump Problems
Addressing safety valve operation and DHW pump malfunctions.
DHW Supply Issues
Resolving problems with domestic hot water flow and pressure.
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the Tregi 3 N and is the answer not in the manual?
Questions and answers