IDEAL LOGIC Combi 24 User Manual

INSTALLATION
AND SERVICING
LOGIC Combi
24, 30, 35
For details of document amendments, refer to page 3
When replacing any part on this appliance, use only spare parts that you can be
assured conform to the safety and performance specification that we require.
Do not use reconditioned or copy parts that have not been clearly authorised by Ideal.
For the very latest copy of literature for specification and maintenance practices visit our
website www.idealboilers.com where you can download the relevant information in PDF format.
For users guide see reverse of book
January 2014
UIN 204626 A12

IDEAL LOGIC Combi 24 Specifications

General

Boiler Type	Combi
Output Rating	24 kW
Dimensions (H x W x D)	700 x 395 x 278 mm
Flow Rate	9.8 l/min
Fuel Type	Natural Gas
Mounting	Wall Mounted
Efficiency	94%
Central Heating Flow Temperature Range	30-80°C
Hot Water Temperature Range	30-65°C
Warranty	2 years
Energy Efficiency	A

Summary

Safety, Regulations, and Kits

Gas Safety Regulations

Details current Gas Safety (Installation and Use) regulations and relevant British Standards.

Boiler Installation Site Requirements

Gas Supply and Flue Installation

Explains gas supply consultation, pipework sizing, and flue installation guidance.

Condensate Drain System Installation

Boiler Connections and Filling

Boiler Filling Procedure

Provides step-by-step instructions for filling the boiler and system.

Electrical Connections and Internal Wiring

Electrical Connection Requirements

Details mains supply, fuse rating, and wiring regulations for external connections.

Wiring Diagram

Commissioning and Testing Procedures

Electrical and Gas Installation Checks

Details electrical safety checks and gas installation, tightness testing, and purging.

Operational Gas Pressure Check

Explains how to check the working gas inlet pressure at maximum rate.

Initial Boiler Lighting and Status

Central Heating and DHW Setup

General Checks and System Operation

Servicing Schedule and Procedures

Inspection and Cleaning Procedures

Combustion Performance Testing

Explains requirements and competence for combustion performance testing.

Fault Finding Main Menu

Fault Finding - Overheat and Ignition

Flow Temperature Overheat Lockout

Troubleshooting for L/1 fault codes related to flow temperature overheat.

Ignition Lockout Fault

Troubleshooting for L/2 fault codes related to ignition lockout.

Fault Finding - Flame and Pressure

False Flame Lockout

Troubleshooting for L/6 fault codes indicating a false flame.

Low Water Pressure

Troubleshooting for F/1 fault codes related to low water pressure.

Flame Loss Fault

Troubleshooting for F/2 fault codes indicating flame loss.

Fault Finding - Fan and Thermistors

Fan Fault

Troubleshooting for F/3 fault codes related to fan faults.

Thermistor Faults

Troubleshooting for F/4 and F/5 fault codes related to thermistor faults.

Fault Finding - Sensors and Configuration

Outside Sensor Fault

Troubleshooting for F/6 fault codes related to outside sensor faults.

BCC Fault (Boiler Chip Card)

Troubleshooting for C/2 fault codes related to BCC faults.

Fault Finding - No Central Heating

No CH Operation but HW OK

Troubleshooting for when no CH operation occurs but HW works.

Fault Finding - No Hot Water or Display

No HW but CH On

Troubleshooting for when there is no HW but CH is on.

No Display Fault

Troubleshooting for when the boiler has no display.

Gas Boiler System Commissioning Checklist

Controls and System Checks

Performance Measurements

Installation and Demonstration Compliance

Service Record Keeping

Service Provider and Record Entries

Combustion Ratio Check Flowchart

Pre-Check Information and Preparation

Boiler Introduction, Safety, and Lighting

Boiler Introduction and Safety Rules

Boiler Reset Procedure

Boiler Operation Modes and Controls

System Pressure, Condensate, and Safety

System Water Pressure Management

Condensate Drain and Freeze Protection

Gas Leak and Maintenance Advice

Advises on actions for suspected gas leaks and recommends annual servicing.

Troubleshooting Guide for Users

No Hot Water Troubleshooting

Guides the user through checks for no hot water problems external to the boiler.

No Central Heating Troubleshooting

Guides the user through checks for no central heating problems external to the boiler.

No Hot Water or Heating Troubleshooting

Guides the user through checks for no hot water or central heating problems.

Fault Codes and Resolution

Fault Code Reference Guide

Lists fault codes displayed on the boiler and the corresponding actions or checks required.