User’s Operating Instructions &
Important Warranty Information
Baxi Combi 133 HE Plus
Baxi Combi 100 HE Plus
Baxi Combi 80 HE Plus
Gas Fired Wall Mounted Condensing
Combination Boiler
Please keep these instructions in a safe place.
If you move house, please hand them over
to the next occupier.
© Baxi Heating UK Limited 2005
Natural Gas
Baxi Combi 133 HE Plus
G.C.No47 075 14
Baxi Combi 100 HE Plus
G.C.No47 075 15
Baxi Combi 80 HE Plus
G.C.No47 075 16
Contents
Section Page
1.0 Quick Reference Guide 3
2.0 Troubleshooting 4
3.0 Repressurising 6
4.0 Clearances 7
5.0 Care of the Boiler 8
6.0 Legislation 9
7.0 Emergency 10
8.0 Warranty & Service 12
Baxi is one of the leading manufacturers of domestic
heating products in the UK.
Our first priority is to give a high quality service to our
customers. Quality is designed into every Baxi product -
products which fulfil the demands and needs of customers,
offering choice, efficiency and reliability.
To keep ahead of changing trends, we have made a
commitment to develop new ideas using the
latest technology - with the aim of continuing to
make the products that customers want to buy.
Everyone who works at Baxi has a commitment to quality
because we know that satisfied customers mean continued
success.
We hope you get a satisfactory service from Baxi. If not,
please let us know.
© Baxi Heating UK Limited 2005 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, Pentagon House,
Sir Frank Whittle Road, Derby, DE21 4XA.
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.
Baxi supports
Baxi Heating UK Limited is a
The code of practice for the
installation, commissioning &
ervicing of central heating systems
This product has an energy rating (A) on a scale of A to G.
For more information see www.boilers.org.uk. This is a certification mark.
2
© Baxi Heating UK Limited 2005
BS-EN ISO 9001 Accredited Company
Key to Controls
1.0 Quick Reference Guide
Domestic Hot Water
This indicates that the Burner has fired up and heating your water.
(Green Light)
Flame Failure
(Red Light)
Burner On
(Green Light)
ON
Mains On
(Green Light)
Domestic Hot Water
Control Knob
High
Low
(No OFF Position)
Reset Button
If Flame Failure Light is ON press the Reset Button. If Flame Failure occurs
frequently consult your Installer.
This indicates that the Burner has fired up and is heating your system.
This indicates that there is electricity to the Boiler.
Turn the Domestic Hot Water Control Knob clockwise to increase or
anticlockwise to decrease the temperature.
The Reset Button should extinguish the Flame Failure Light and allow
normal operation to commence.
Central Heating
Control Knob
High
Low
(No OFF Position)
Turn the Central Heating Control Knob clockwise to increase or anticlockwise
to decrease the boiler flow temperature.
Domestic Hot Water Temperature Control
Turn the Domestic Hot Water Temperature Control
Knob clockwise to increase or anticlockwise to
decrease the temperature. Range 45 - 55° C.
High
Low
Reset
Central Heating Temperature Control
Turn the Central Heating Temperature Control Knob
clockwise to increase or anticlockwise to decrease
ON
High
Low
the boiler flow temperature.
Reset Button
If the Red Flame Failure Light ( ) is ON or
flashing, press the Reset button until the red light
goes OFF. If this occurs frequently a fault is indicated,
Low
High
Reset
you should contact your installer.
ON
© Baxi Heating UK Limited 2005
Low
High
3
2.0 Troubleshooting
4
© Baxi Heating UK Limited 2005
Make sure the gas
supply is turned ON
and check if other
gas appliances are
operating (e.g. fire,
cooker).
START
Is there electricity to the
boiler ? (Green Mains ON
Light lit).
Low
Hig h
ON
Rese t
Low
Hig h
Check electrical supply to
boiler is switched on.
Mains ON Light
(Green)
12
3
0
requires
repressurising
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 3.0.
Is the Red Flame Failure
Light illuminated or flashing ?
Low
Hig h
ON
Reset
Low
Hig h
Flame Failure
(Red)
Press the Reset Button
until the red light goes off.
Reset Button
Boiler not working
CONTACT YOUR
INSTALLER OR
SERVICE
ENGINEER.
YES
YES
NO
Light ON
Light FLASHING
Light FLASHING
NO
YES
NO
NO
Pressure
Gauge
Boiler indicators
showing low
pressure
YES
If the light
does not go
out or keeps
coming on
If no gas, consult
your supplier.
NO
Low
Hig h
ON
Reset
Low
Hig h
Is the Green Burner ON
Light illuminated ?
Burner ON Light
(Green)
Boiler operating
satisfactorily.
YES
High
Low
ON
High
Low
Reset