Intergas XTREME 24 User Manual

INSTALLATION MANUAL
High Eiciency Wall-Mounted Gas Boiler
Read this installation manual thoroughly before the installation and use of the
boiler. Follow all indicated instructions. This installation manual must remain
with the boiler.
XTREME 24
XTREME 30
XTREME 36
G.C. 47-291-10
G.C. 47-291-11
G.C. 47-291-12

Intergas XTREME 24 Specifications

General

Output	24 kW
Fuel Type	Natural Gas
Mounting	Wall-mounted
Max. DHW output	24 kW
ErP Water Heating Efficiency Class	A
NOx Class	5
Heat exchanger material	Stainless Steel
Warranty	7 years
Type	Combi Boiler

Summary

2 Safety Regulations and Standards

2.1 General Safety Requirements

Outlines legal requirements and recommendations for gas appliance installation.

2.2 Installation Standards and Codes

Lists relevant British Standards and codes of practice for boiler installation.

5 Installer Important Points

6 Installation Procedures

6.2 Installation Location Selection

Guidance on selecting a suitable and safe location for the boiler installation.

6.2.2 Front Panel Removal and Refitting

6.3 Boiler Mounting Procedure

Details the process of physically mounting the boiler onto the wall bracket.

7 Connection Guidelines

7.1 Central Heating System Connection

Guidelines for connecting the boiler to the central heating system.

7.1.3 Floor Heating System Connection

7.1.4 LT/HT Zone Heating Systems

7.1.5 Multi-Zone Heating with External Source

7.2 Domestic Hot Water Connection

Instructions for connecting the boiler for domestic hot water supply.

7.2.2 Heat Pump Boiler Integration

7.2.3 Solar Boiler System Connection

7.3 Electrical Connection Safety Precautions

Provides essential safety and connection guidelines for electrical wiring.

7.3 Gas Supply Connection Procedure

Instructions and safety warnings for connecting the gas supply pipe.

7.4 Room Thermostat Compatibility and Wiring

7.4 OpenTherm Thermostat Wiring

7.4 On/Off Thermostat Wiring

7.4 230V Thermostat Wiring

7.5 Outdoor Sensor Installation and Wiring

7.5 Frost Protection and Thermostat Wiring

7.7 Flue and Air Supply Duct Installation

General instructions for installing flue and air supply ducting.

7.8 Flue and Air Supply Pipeline Lengths

7.9 General Flue System Layouts

Illustrates various flue system configurations and connection types (C13, C33, C53).

7.9 Horizontal Wall Terminal C13 Installation

7.9 Façade Combi-Pipe Horizontal C13

7.9 Roof Terminal C33 Installation Guide

7.9 Roof Terminal C53 and Façade Air Duct

7.9 Flue System Clamping and Support

Regulations and methods for securing flue systems with brackets.

8 Boiler Operation

8.1 Control Panel Basic Operations

8.2 Preparation for Operation

Steps before commissioning, including filling and venting the system.

8.2.1 Filling and Venting CH System

Detailed guide on filling and bleeding air from the CH system.

8.2.3 Gas Supply Connection and Safety

Procedures for checking gas supply and connections.

8.3 Boiler Commissioning Procedure

Step-by-step guide for commissioning the boiler after installation.

8.4 Clock Function Programming and Use

8.5 Boiler Shutdown and Draining

9 Settings and Adjustments

9.1.2 Domestic Hot Water Settings

9.1.3 Central Heating Menu Settings

9.1.5 Service Menu and Test Programs

Accessing test programs and installer parameters.

9.2 Modifying Installer Parameters

Guide on how to modify installer parameters using the service menu.

9.3 Clock Function Setup and Programming

9.3 CH Operation Clock Programming

9.3 DHW Operation Clock Programming

9.5 Adjusting Maximum Central Heating Output

9.6 Adjusting Boiler Pump Capacity

9.7 Weather-Dependent Control Configuration

9.8 Gas Type Conversion Procedure

Procedure for converting the boiler to a different gas type.

9.9 Gas/Air Control Adjustment

Explains gas/air control and its importance for optimal combustion.

9.10 Gas Air Control Inspection Process

How to inspect and measure gas air control performance.

9.10.1 Flue Gas Measurement at Maximum Output

Detailed steps for measuring flue gas at maximum boiler output.

9.10.2 Flue Gas Measurement at Minimum Output

Detailed steps for measuring flue gas at minimum boiler output.

9.10.3 Minimum Output Correction Procedure

How to adjust gas/air control for minimum output based on measurements.

10 Faults and Troubleshooting

10.1 Fault Code Identification and Reset

How to request and interpret fault codes displayed by the boiler.

10.2 General Fault Diagnosis Guide

Troubleshooting guide for common issues like no heat or incorrect temperature.

10.2.1 No Central Heating Troubleshooting

Diagnoses and solutions for lack of central heating.

10.2.2 Central Heating Temperature Issues

Troubleshooting for central heating not reaching desired temperature.

10.2.4 No Domestic Hot Water (DHW) Issues

Troubleshooting steps for no domestic hot water supply.

10.2.5 DHW Temperature Issues

11 Maintenance Procedures

11.1 Boiler Disassembly for Maintenance

11.2 Boiler Component Cleaning Instructions

11.3 Re-assembly After Maintenance

11.4 Annual Maintenance Checklist

A comprehensive checklist for annual inspection and regular maintenance tasks.

12 Technical Specifications

12.1 Electrical Schematic Diagram

13 Guarantee Provisions and CE Declaration

14 Gas Boiler System Commissioning Checklist

15 Service Record Log