baxi 124 Combi User guide

User Guide

Condensing Combination Boiler

124 - 128

Combi

United Kingdom

Please keep these instructions in a safe place.

If you move house, please hand them over to the next occupier.

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Applications for the copyright owner’s permission to reproduce or make other use of any part of this publication should be made, giving details of the proposed use, to the following address:

The Company Secretary, Baxi Heating UK Limited, Brooks House, Coventry Road, Warwick. CV34 4LL

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WARNING: Any person who does any unauthorised act in relation to a copyright work may be liable to criminal prosecution and civil claims for damages.

1.0 Quick Reference Guide 3

2.0 Troubleshooting 4

3.0 Temperature Adjustment &

Care of the Boiler 6

4.0 Repressurising System & ‘Service Due’ 7

5.0 Clearances 8

6.0 Error Codes 9

7.0 Legislation 10

8.0 Warranty & Service 11

9.0 ErP Information 13

10.0 Emergency 17

11.0 Disposal 17

Section Page

Contents

Boiler Controls - see opposite page for

Operating Quick Reference Guide (Fascia Cover removed for clarity)

0086

ISO 9001

FM 00866

The Benchmark Scheme

Baxi Heating UK Ltd is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimise safety, efficiency and performance.

Benchmark is managed and promoted by the Heating and Hotwater Industry Council. For more information visit www.centralheating.co.uk

Model Range

Baxi 124 Combi

G.C.No 47-077-25

Baxi 128 Combi

G.C.No 47-077-26

This boiler can be used by children aged 8 years and above and by persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge when they have been given supervision or instruction concerning the safe use of the device and understand the resulting risks. Children must not be allowed to play with the appliance. Cleaning and user maintenance must not be carried out by children without supervision.

Warning !

1.0 Quick Reference Guide

Domestic Hot Water and Central Heating OFF (frost protection still enabled)

Indicates errors that prevent burner from starting

Error - Not resettable by user

Water pressure too low

Indicates a resettable error

Indicates navigation in programming mode (parameter)

Indicates navigation in programming mode

Generic error

Burner lit

DHW request

Heating mode

Units for temperature

Units for pressure

Service due (when activated)

Display Description

Central Heating

Temperature Adjustment

Boiler Information View Standby - Reset - Esc

Standby - Reset - Esc

Boiler Information View

Increase Central Heating Temperature Button *

Decrease Central Heating Temperature Button *

* Important Note: If your control system is fitted with the Optional Outdoor Sensor, these buttons will affect it’s operation. Please consult your installer for advice.

Increase Domestic Hot Water Temperature Button

Decrease Domestic Hot Water Temperature Button

Summer / Winter / Only Heating Mode Button

Key to Controls

Display showing all available segment

Summer - Winter - Only Heating

Mode

Domestic Hot Water

Temperature Adjustment

Summer - Domestic Hot Water only request mode

Winter - Domestic Hot Water & Central Heating request mode

Only Heating - Only Central Heating request mode

NOTE: When altering any settings it is necessary that the buttons are FIRMLY pressed for several seconds.

2.0 Troubleshooting

Boiler not working

START

Make sure the gas supply is turned ON and check if other gas appliances are operating (e.g. fire, cooker).

If no gas, consult your supplier.

Is there electricity to the boiler ? Is the display lit ?

Check electrical supply to

boiler is switched on.

YES

Is the Burner Flame symbol showing ?

Burner Flame (Indicates burner is on)

Boiler operating

satisfactorily.

YES

Is the E and R symbol illuminated or flashing ?

YES

Press the Reset Button

Error Symbol

If it does not reset

CONTACT YOUR

INSTALLER OR

SERVICE

ENGINEER.

Reset Symbol

Is the Spanner symbol illuminated or flashing ?

YES

Spanner Symbol

Boiler Temperature

Central Heating

Error Code

Flame Failure

Reset Button

2.0 Troubleshooting

Is the Timer ON and calling for heat ?

Is the Room Thermostat (if fitted) set high enough ?

Typical

examples of

external timer

Ensure timer is set for Central

Heating ON (see any

instructions supplied with timer)

YES

Turn Room Thermostat

to maximum setting

(typical example shown)

If you don’t know what you need to do

to get the boiler to light, or need help

with the system and controls, contact

your installer as soon as possible

bar

Is the Central Heating System Pressure between 1 and 2.5 bar ?

If the reading* falls below 1 bar repressurise the system as described in section 4.1.

Error Code 118 showing low pressure.

YES

*To display the water pressure press 6 times. ‘05’ will alternate with the system pressure. (NOTE: When the pump is running the gauge under the boiler may show a slightly different reading to the display)

CH ON

CH OFF

3.0 Temperature Adjustment & Care of the Boiler

3.1 To increase or decrease the boiler temperature

1. Press to increase the Central Heating temperature.

2. Press to decrease the Central Heating temperature.

NOTE: An overheat thermostat (NTC) is positioned in the heat exchanger which shuts down the appliance if the boiler temperature exceeds 100°C. Press button to reestablish normal operating conditions.

3.2 To increase or decrease the domestic hot water

temperature

1. Press to increase the Domestic Hot Water temperature.

2. Press to decrease the Domestic Hot Water temperature.

3.3 Summer - Winter - Only Heating Mode

1. Press button until the required mode appears:-

2. See 3.1 or 3.2 to set the required temperature.

3.4 Cleaning the Outer Case

The painted panels should be wiped with a damp cloth and then dried completely. DO NOT USE ABRASIVE CLEANING

AGENTS.

3.5 Boiler Frost Protection

1. The boiler incorporates an integral frost protection feature that will operate in both Central Heating & Domestic Hot Water modes, and also when in standby ( displayed).

2. If the boiler temperature falls below 5° C, then the boiler will operate until the water temperature has been raised.

3. Further protection may be required for the system. Consult your installer for details.

3.6 Information Display

1. The table opposite shows information that can be displayed by pressing the button.

2. Press to return to the normal display.

Central Heating

Temperature Adjustment

Display Screen

Domestic Hot Water

Temperature Adjustment

Summer - Domestic Hot Water only request mode

Winter - Domestic Hot Water & Central Heating request mode

Only Heating - Only Central Heating request mode

Summer - Winter - Only Heating

Mode

The button can be pressed so that the display shows the following

information:-

1 press - ‘00’ alternates with Sub-Code (only when fault on boiler) or ‘000’

2 presses - ‘01’ alternates with CH Flow Temperature

3 presses - ‘02’ alternates with Outside Temperature (where Sensor fitted)

4 presses - ‘03’ alternates with DHW Temperature

5 presses - ‘04’ alternates with DHW Temperature

6 presses - ‘05’ alternates with System Water Pressure

7 presses - ‘06’ alternates with CH Return Temperature

8 presses - ‘07’ alternates with Flue Temperature

9 presses - ‘08’ alternates with Heat Exchanger Temperature

+ 14 hidden pages

baxi 124 Combi User guide

Specifications and Main Features

Frequently Asked Questions

User Manual