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Immergas INTEC 12 System External - User Manual

Immergas INTEC 12 System External
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User Installation
Instruction Manual
AU
INTEC 12-30
SYSTEM
EXTERNAL
Wall mounted
heating only boiler

Table of Contents

Questions and Answers

  • T
    Tara PhillipsAug 9, 2025
    What to do if my Immergas INTEC 12 System External Boiler has repeated ignition blocks?
    • S
      Shannon BrownAug 9, 2025
      Repeated ignition blocks in your Immergas Boiler can stem from several issues: * Incorrect electric power supply: Ensure you check the L and N polarity. * Absence of gas: Verify pressure in the network and ensure the gas intake pipe is open. * Incorrect adjustment of the gas valve: Confirm the correct calibration of the gas valve. * Clogged heat exchanger or trap: Inspect these components to ensure they are clear.
  • S
    Samantha MillsAug 18, 2025
    Why does my Immergas Boiler's temperature overload thermostat activate frequently?
    • J
      Jason JimenezAug 18, 2025
      Frequent activation of the temperature overload thermostat in your Immergas Boiler can be caused by: 1. Lack of water in the boiler: Check the manometer to ensure the system pressure is within established limits. 2. Little water circulation in the system: Make sure the radiator valves are not closed. 3. Blocked pump: Verify the pump's functionality.
  • L
    Lisa CamachoAug 29, 2025
    How to fix irregular combustion or noisiness in my Immergas INTEC 12 System External Boiler?
    • S
      Scott TurnerAug 29, 2025
      Irregular combustion or noisiness in your Immergas Boiler could be due to a dirty burner (clean the components), incorrect combustion parameters (check the correct setting of the gas valve and CO2 percentage), or an intake-exhaust terminal not correctly installed (ensure correct installation of the terminal).

Summary

Boiler Installation

Installation Recommendations

General advice and requirements for installing the boiler safely and correctly.

Flue Terminal Positions

Specifies safe and prohibited locations for flue terminals based on clearances.

Connections

Details gas, water, and electrical connection requirements and recommendations.

Immergas Flue Systems

Information on using approved Immergas flue systems for safe boiler operation.

Intake;Exhaust Terminal Installation

Steps for installing the concentric intake/exhaust terminals.

System Filling

Gas System Start-Up

Boiler Start Up (Ignition)

Steps for the initial ignition and start-up of the boiler.

Instructions for Use and Maintenance

Cleaning and Maintenance

Recommendations for regular cleaning and professional periodic maintenance.

General Warnings

Essential safety precautions and general warnings for using the boiler.

Control Panel Overview

Using the Boiler

Step-by-step guide on operating the boiler for heating and hot water.

Fault and Anomaly Signals

Lists error codes, their causes, and suggested solutions for troubleshooting.

Boiler Shutdown

Restoring System Pressure

Anti-Freeze Protection

Boiler Commissioning and Service

Troubleshooting Guide

Common issues, causes, and solutions for boiler malfunctions.

Gas Conversion

Fan Revolution Calibration

Air-Gas Ratio Adjustment

Post-Conversion Checks

PCB Programming

Guide to programming various boiler parameters via the PCB.

Chimney Sweep Function

Casing Removal

Variable Heat Power

Appliance Check & Maintenance

Recommended checks and maintenance procedures every 24 months.

Combustion Parameters

Table of key combustion parameters for different boiler models and gas types.

Technical Data

Exploded Diagram (INTEC 12)

Spare Part List (INTEC 12)

Exploded Diagram (INTEC 30)

Spare Part List (INTEC 30)

Boiler Registration

Commissioning Check List

A structured checklist for the boiler commissioning process.

Handover Instructions

Service Records

Immergas INTEC 12 System External Specifications

General IconGeneral
Boiler TypeSystem
TypeCondensing
Max working pressure3 bar
Electrical supply230V/50Hz
IgnitionElectronic
NOx emissionsClass 5
Fuel TypeGas
FuelGas
Nominal output range12 kW
Water content2 liters
Flue systemRoom-sealed
MountingWall-mounted

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