Baxi Duo-tec Combi GA Owner's Manual
© Baxi Heating UK Ltd 2012
Please keep these instructions in a safe place.
If you move house, please hand them over to the next occupier.
Duo-tec 2 Combi GA Range
Gas Fired Wall Mounted Condensing
Combination Boiler
User’s Operating Instructions &
Important Warranty Information
2
© Baxi Heating UK Ltd 2012
© Baxi Heating UK Ltd 2012 All rights reserved. No part of this publication may
be reproduced or transmitted in any form or by any means, or stored in any
retrieval system of any nature (including in any database), in each case whether
electronic, mechanical, recording or otherwise, without the prior written
permission of the copyright owner, except for permitted fair dealing under
Copyrights, Designs and Patents Act 1988.
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
Full acknowledgement of author and source must be given.
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 / 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 Emergency 11
9.0 Warranty & Service Back page
Section Page
Contents
Boiler Controls - see opposite page for
Operating Quick Reference Guide
(Fascia Panel removed for clarity)
0085
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 Duo-tec 2 Combi 24 GA
G.C.No 47-075-54
Baxi Duo-tec 2 Combi 28 GA
G.C.No 47-075-55
Baxi Duo-tec 2 Combi 33 GA
G.C.No 47-075-56
Baxi Duo-tec 2 Combi 40 GA
G.C.No47-075-57
1.0 Quick Reference Guide
3
© Baxi Heating UK Ltd 2012
DHW and CH OFF (frost protection still enabled)
Indicate 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
Display Description
Central Heating (CH)
Temperature Adjustment
Boiler Information View Standby - Reset - Esc
Standby - Reset - Esc
Boiler Information View
Increase CH Temperature Button
Decrease CH Temperature Button
Increase DHW Temperature Button
Decrease DHW Temperature Button
Summer / Winter / Only Heating Mode Button
Key to Controls
Display showing all available segment
Summer - Winter - Only Heating
Mode
Domestic Hot Water (DHW)
Temperature Adjustment
Summer - DHW only request mode
Winter - DHW & CH request mode
Only Heating - Only CH request mode
NOTE: When altering any settings it is necessary that
the buttons are FIRMLY pressed for several seconds.
R
R
R
R
2.0 Troubleshooting
4
© Baxi Heating UK Ltd 2012
Boiler not working
START
Make sure the gas
supply is turned ON
and check if other
gas appliances are
operating (e.g. fire,
cooker).
NO
If no gas, consult
your supplier.
Is there electricity to the
boiler ? Is the display lit ?
Check electrical supply to
boiler is switched on.
NO
YES
Is the Burner Flame
showing.
Burner Flame
(Indicates burner
is on)
Boiler operating
satisfactorily.
NO
YES
YES
YES
Is the E and R symbol
illuminated or flashing ?
YES
Press the Reset Button
Error
Symbol
Reset Button
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
OR
R
R
R
R
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