Intergas HRE 24/18 User Manual

1
Combi Compact
HRE 24/18
HRE 28/24
HRE 36/30
HRE 36/40
Operating Instructions
Installation of the appliance may only be carried out by an installer/competent person.
Please ask your installer to instruct you on how to fill and bleed the appliance and the
installation and on their operation. Strictly abide by all the instructions and warnings.
Always use the appliance in accordance with the Operating Instructions. It is forbidden to
interfere with a sealed component.
CONTENTS
1 Operation of the appliance 2
1.1 Operation of the central heating ................................................................. 2
1.2 Operation of domestic hot water supply ..................................................... 2
2 Operation and display read-out 2
2.1 Operating mode on the service display ...................................................... 3
2.2 Changing the settings of the various functions ........................................... 3
3 Start-up 3
4 Faults 3
5 Filling and bleeding appliance and installation 4
5.1 Central heating system ............................................................................... 4
5.2 Domestic hot water supply .......................................................................... 4
5.3 Frost protection ........................................................................................... 4
6 Maintenance 4
© 2012 Intergas Heating Ltd Subject to change.

Intergas HRE 24/18 Specifications

General

Model	HRE 24/18
Category	Boiler
Efficiency	93%
Mounting	Wall-mounted
ERP efficiency	A
Fuel	Natural Gas
Type	Combination boiler

Summary

Operation of the Appliance

Central Heating Operation

Details how the appliance manages central heating based on room thermostat settings and supply temperature.

Domestic Hot Water Supply

Explains the operation of domestic hot water supply, including the DHW comfort function settings.

Operation and Display Read-Out

Control Panel Components

Identifies and explains the function of the appliance's control panel buttons and display elements.

Service Display Operating Modes

Describes the various modes indicated on the service display, such as CH mode, DHW mode, and fault states.

Changing Function Settings

Details how to navigate the user settings menu to adjust functions like clock, time blocks, and temperatures.

Start-Up Procedure

Pre-Start Checks

Lists essential checks before starting the appliance, including system filling, pressure, and gas supply.

Appliance Ignition and Setting

Explains how to switch on the appliance and set the clock, switch moments, and room thermostat.

Fault Diagnosis and Resolution

Common Heating Faults

Addresses issues where the central heating does not heat up or is insufficient, with troubleshooting steps.

Hot Water Supply Faults

Details problems with domestic hot water not being hot enough and how to adjust settings.

Fault Code Indicators

Explains the meaning of flashing fault LEDs and specific codes displayed for appliance issues.

Filling and Bleeding

Central Heating System Filling

Provides step-by-step instructions for filling and bleeding the central heating system and appliance.

Domestic Hot Water System Pressurisation

Describes how to pressurise the domestic hot water part of the appliance and remove air.

Frost Protection

Explains the appliance's frost protection feature and its installation requirements.

Maintenance Requirements

Cleaning and Servicing

Outlines how to clean the appliance and the recommended annual servicing by a registered installer.

Gas Safety Information

Provides contact numbers and advice for gas safety and finding a Gas Safe registered engineer.