User’s Operating Instructions &
Important Warranty Information
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Neta-tec Plus Combi GA Range
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 Ltd 2012
Contents
Section
Model Range
Baxi Neta-tec Plus Combi 24 GA
G.C.No 47-075-64
Baxi Neta-tec Plus Combi 28 GA
G.C.No 47-075-65
Baxi Neta-tec Plus Combi 33 GA
G.C.No 47-075-66
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
Emergency
11
9.0
Warranty & Service
Back page
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The Benchmark Scheme
Page
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
© 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.
Boiler Controls - see opposite page for
Operating Quick Reference Guide
(Fascia Cover removed for clarity)
0086
ISO 9001
FM 00866
2
© Baxi Heating UK Ltd 2012
1.0 Quick Reference Guide
Key to Controls
Boiler Information View
Standby - Reset - Esc
R
Standby - Reset - Esc
Boiler Information View
Increase Central Heating Temperature Button
Decrease Central Heating Temperature Button
Increase Domestic Hot Water Temperature Button
Decrease Domestic Hot Water Temperature Button
Summer / Winter / Only Heating Mode Button
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Domestic Hot Water
Central Heating
Temperature Adjustment
Temperature Adjustment
Summer - Winter - Only Heating
Mode
NOTE: When altering any settings it is necessary that
the buttons are FIRMLY pressed for several seconds.
Summer - Domestic Hot Water only
request mode
Winter - Domestic Hot Water & Central
Heating request mode
Only Heating - Only Central Heating
request mode
Display Description
R
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
R
Indicates navigation in programming mode (parameter)
Indicates navigation in programming mode
Generic error
Burner lit
Display showing all available segment
DHW request
Heating mode
Units for temperature
Units for pressure
R
Service due
© Baxi Heating UK Ltd 2012
3
Boiler not working
2.0 Troubleshooting
START
Is there electricity to the
boiler ? Is the display lit ?
YES
Make sure the gas
supply is turned ON
and check if other
gas appliances are
operating (e.g. fire,
cooker).
Is the Burner Flame
symbol showing ?
YES
R
R
NO
NO
Burner Flame
(Indicates burner
is on)
If no gas, consult
your supplier.
Boiler
Temperature
Error Code
Error
Symbol
Central Heating
OR
Is the E and R symbol
illuminated or flashing ?
R
YES
Boiler operating
satisfactorily.
Check electrical supply to
boiler is switched on.
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YES
NO
Reset
Symbol
Flame
Failure
Is the Spanner symbol
illuminated or flashing ?
R
Spanner
Symbol
YES
YES
Press the Reset Button
If it does
not reset
Reset Button
4
© Baxi Heating UK Ltd 2012
CONTACT YOUR
INSTALLER OR
SERVICE
ENGINEER.
2.0 Troubleshooting
YES
Is the Timer ON and
calling for heat ?
12
Is the Central Heating
System Pressure between 1
and 2.5 bar ?
YES
NO
1
3
9
YES
NO
2
10
11
Is the Room Thermostat (if
fitted) set high enough ?
15
20
4
8
10
5
25
5
7
6
CH ON
Typical
examples of
external timer
2
1
3
4
0
bar
CH OFF
Turn Room Thermostat
to maximum setting
(typical example shown)
If the reading* falls below 1 bar
repressurise the system as
described in section 4.1.
R
NO
15
20
25
5
10
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Ensure timer is set for Central
Heating ON (see any
instructions supplied with timer)
Error Code 118 showing low
pressure.
*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 differnt reading to
the display)
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
© Baxi Heating UK Ltd 2012
5
3.0
3.1
Display Screen
Domestic Hot Water
Central Heating
Temperature Adjustment
Temperature Adjustment
Summer - Winter - Only Heating
Mode
R
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.
R
3.2
To increase or decrease the domestic hot water
temperature
1. Press
temperature.
to increase the Domestic Hot Water
2. Press
temperature.
to decrease the Domestic Hot Water
3.3
Summer - Winter - Only Heating Mode
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R
Temperature Adjustement &
Care of the Boiler
1. Press
button until the required mode appears:-
Summer - Domestic Hot Water only
request mode
Winter - Domestic Hot Water & Central
Heating request mode
Only Heating - Only Central Heating
request mode
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
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
6
© Baxi Heating UK Ltd 2012
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
R to return to the normal display.
4.0 Repressuring System & ‘Service Due’
4.1
Central Heating System Pressure
1. The normal operating water pressure is between 1
and 2.5 bar (Fig. 1). If the pressure exceeds 3 bar the
safety pressure valve will operate and a fault is indicated
(E117 displayed). Contact your installer.
2. It may be necessary to repressurise the system
occasionally (as Fig. 2 or E118 displayed). A filling device
(the filling loop) will be fitted on the system. This will be
on the boiler itself, or on pipework near to the boiler.
3. If you are unsure of its position, or cannot identify it,
consult the installer who fitted the boiler.
4. The filling loop supplied consists of two taps and a
separate copper pipe with connection fittings.
Front and Side Panel
removed for clarity
View Under
Appliance
Pressure Gauge
5. Only when repressurising should the copper pipe be
connected between the two taps. Ensure that the nuts
on the pipe ends are tightened onto the taps.
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6. Fully open one of the taps first, and then while
watching the pressure gauge, carefully open the second
tap.
2
1
3
4
0
Fig. 1
bar
8. 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).
Normal Pressure
9. When the needle on the gauge or figures on the
display indicate 1 or more turn both taps off.
2
1
Fig. 2
3
10. Disconnect the copper pipe from the taps (a small
amount of water may be present) and remove it. Keep
the pipe in a safe place for future use.
4
0
bar
4.2
‘Service Due’ Message
1. After 11 months operation the ‘Service Due’ message will
be shown on the boiler display.
Requires
Repressurising
R
‘Service Due’
Message
7. The system pressure is shown at all times on the
gauge under the boiler and can be viewed on the display
when there is power to the boiler.
2. Please contact your Installer, Annual Service Provider or
‘heateam’ - The Service Division of Baxi to arrange your
Annual Service. You can contact ‘heateam’ on telephone
number 0844 871 1545 or visit www.heateam.co.uk
‘Sd’ will show for
three seconds,
alternating with the
boiler temperature.
© Baxi Heating UK Ltd 2012
7
5mm Min
390mm
5mm Min
5.0 Clearances
175mm Min
(300mm Min if using
80/125 flue system)
5.1
For your Safety
1. This appliance must have been installed in accordance
with the manufacturer’s instructions and the regulations
in force.
2. Any modification that may interfere with the normal
operation of the appliance without express written
permission from the manufacturer or his agent could
invalidate the appliance warranty. In GB this could also
infringe the Gas Safety (Installation and Use) Regulations.
GB - Heating Industry definition meaning England, Scotland,
Wales, Northern Ireland, Isle of Man and the Channel Isles
3. Your boiler must not be operated without the casing
correctly fitted.
700mm
4. Do not interfere with any sealed components on this
boiler.
5. Take note of any warning labels on your boiler.
Fig. 3
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6. Your boiler should have the following minimum
clearances for Safety and Maintenance
(Figs. 3 & 4):-
150mm* Min
Top
Bottom
Left side
Right Side
Front
- 175mm
- 150mm*
- 5mm
- 5mm
- 5mm (In Operation)
- 450mm (For Servicing)
*This is MINIMUM recommended dimension. Greater
clearance will aid installation and maintenance.
At least
1.5°
7. If your boiler is installed in a compartment, do not use
it for storage purposes. Do not obstruct any purpose
provided ventilation openings.
8. Flammable materials must not be stored in close
proximity to your boiler.
9. Avoid skin contact when your boiler is in operation, as
some surfaces may get hot e.g. pipework.
10. Ensure that the flue terminal, outside the house,
does not become damaged or obstructed, particularly
by foliage.
450mm
11. It is important that the condensate drain system is
not blocked, modified or damaged in any way as this
would affect the operation of your boiler. Your installer
should have insulated any exposed pipework.
For Servicing
Purposes
5mm
Fig. 4
8
In Operation
© Baxi Heating UK Ltd 2012
300mm
(290mm with flap removed)
6.0 Error Codes
6.1
List of Error Codes
1. The display shows two types of signals:
and R .
In both cases the display shows
symbol and the numeric
value of the error (see the “error table” below).
2.
The spanner cannot be reset by the user. Please
contact your Installer, Annual Service Provider or ‘heateam’ The Service Division of Baxi to arrange your Annual Service.
You can contact ‘heateam’ on telephone number 08448 711
545 or visit www.heateam.co.uk
3.
Fault errors can be reset by pressing the
R button.
WARNING: If an error code (different from the ones
described opposite) appears on the display or a certain fault
appears frequently, contact ‘heateam’.
Table Of Error Codes
Gas Valve Connection Cable
15
Gas Valve Fault
20
Central Heating NTC Fault
28
Flue NTC Fault
40
Central Heating Return NTC Fault
55
Calibration Required
109
Pre-circulation Fault
110
Safety Thermostat Operated
117
Primary System Water Pressure Too High
118
Primary System Water Pressure Too Low
125
Circulation Fault (Primary)
128
Flame Failure
130
Flue NTC Operated
133
Interruption Of Gas Supply or Flame Failure
134
Elapsed Time - Gas Valve Open Without Gas
135
Interruption Of Gas Supply (Internal Error)
154
Flow/Return Sensor Temperature Test
160
Fan or Fan Wiring Fault
270
Circulation Fault (Dry Fire)
321
Hot Water NTC Fault
384
False Flame
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09
© Baxi Heating UK Ltd 2012
R
9
7.0 Legislation
7.1
Installation, Commissioning, Service & Repair
1. This appliance must be installed in accordance with the
manufacturer’s instructions and the regulations in force. Read
the instructions fully before installing or using the appliance.
2. In GB, this must be carried out by a competent person as
stated in the Gas Safety (Installation & Use) Regulations.
3. Definition of competence: A person who works for a Gas
Safe registered company and holding current certificates in the
relevant ACS modules, is deemed competent.
4. In IE (Eire), this must be carried out by a competent person
as stated in I.S. 813 “Domestic Gas Installations”.
Lifting - This product should be lifted and handled by two
people. Stooping should be avoided and protective equipment
worn where necessary. Carrying & lifting equipment should be
used as required, e.g. when installing in a loft space.
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All Gas Safe registered engineers carry an ID card with their
licence number and a photograph. You can check your
engineer is registered by telephoning 0800 408 5500 or online
at www.gassaferegister.co.uk
The boiler meets the requirements of Statutory Instrument
“The Boiler (Efficiency) Regulations 1993 No 3083” and is
deemed to meet the requirements of Directive 92/42/EEC on
the energy efficiency requirements for new hot water boilers
fired with liquid or gaseous fuels:Type test for purpose of Regulation 5 certified by:
Notified Body 0085.
Product/Production certified by:
Notified Body 0086.
Ref: 86-BL-647
For GB/IE only.
7.2
Benchmark Commissioning Checklist
1. Please ensure that the installer has fully completed the
Benchmark Checklist on the inside back pages of the
installation instructions supplied with the product and that you
have signed it to say that you have received a full and clear
explanation of its operation. The installer is legally required to
complete a commissioning checklist as a means of complying
with the appropriate Building Regulations (England and
Wales).
2. All installations must be notified to Local Area Building
Control either directly or through a Competent Persons
Scheme. A Building Regulations Compliance Certificate will
then be issued to the customer who should, on receipt, write
the Notification Number on the Benchmark Checklist.
3. This product should be serviced regularly to optimise its
safety, efficiency and performance. The service engineer should
complete the relevant Service Record on the Benchmark
Checklist after each service.
10
4. The completed Benchmark Checklist may be required in the
event of any warranty work.
© Baxi Heating UK Ltd 2012
8.0 Emergency
Warning !
If you smell gas
Do not operate light switches
Do not operate any electrical equipment
Do not use a telephone in the hazardous area
Extinguish any naked flame and do not smoke
Open windows and doors in the hazardous area
Turn off the gas supply at the meter
Warn any other occupants and vacate the premises
Telephone the National Gas Emergency Service on:0800 111 999
Faulty boiler
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If it is known or suspected that there is a fault on the
boiler that cannot be manually reset, it must not be
used until the fault has been corrected by a competent
person.
In an Emergency
1. If a water or gas leak occurs or is suspected, the boiler
can be isolated at the inlet valves by turning their taps
through 90° (1/4 turn) downwards
2. Please contact your Installer, Annual Service Provider or
‘heateam’ - The Service Division of Baxi. You can contact
‘heateam’ on telephone number 0844 871 1525 or visit
www.heateam.co.uk as soon as possible.
Yellow Tap - Gas
Black Taps - Water
© Baxi Heating UK Ltd 2012
11
9.0 Warranty & Service
Please complete the boxes below
Serial Number
Standard Warranty Term & Conditions
5 Years Free Warranty - register today
To receive your 5 years free warranty please complete the form supplied with
the boiler or simply call heateam, the service division of Baxi Heating UK
Limited on 0844 871 1525.
Our promise to you
If you experience a fault with your new boiler, we aim to provide a safe and
high quality repair service supported by our dedicated national network of
highly skilled engineers. If your installer can’t resolve the problem for you, we
will do everything we can to get an engineer out to you as quickly as possible.
Nothing in this warranty will affect your statutory consumer rights.
Date of Installation
D D M M Y Y
Installer Details (name, address and contact number(s))
What you need to do if you experience a problem with your heating system
or the operation of the boiler
You should always contact your installer first, because the fault may not be
related to the boiler. If your installer confirms that the fault is within the boiler
it self and he/she can’t repair it, our friendly customer service team is on hand
to help. Simply call our service division heateam on 0844 871 1525 to book an
engineer visit or for any general advice that you may need. Our contact centre
is open Monday to Friday 8am - 6pm, weekends and Bank Holidays 8.30am 2pm, excluding Christmas Day and New Years Day.
When calling heateam it would be helpful if you could have the following
information to hand:-
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1
2
3
4
boiler serial number (see opposite).
boiler make and model number.
Your installer name and address details.
Proof of purchase (if you do not have the boiler serial number).
What this warranty covers
Free of charge repair or replacement of components found to be faulty from
manufacture.
Free of charge replacement of the complete unit provided always that the
failure is related to a manufacturing fault that cannot be repaired or is
uneconomic to repair.
The warranty runs for 5 years from the date your product is installed.
What this warranty does not cover
Repairs to boilers which haven’t been installed and commissioned properly,
and as set out in the installation instructions (this includes the need to flush the
system effectively and add a suitable corrosion inhibitor).
Lift Flap for access to
Information Label
Any damage caused by hard water scale deposits and/or aggressive water
resulting from corrosion.
Any other defects or failures, either in the connected heating system or
outside of the boiler itself.
Faults caused by inadequate supply of electricity, gas or water to the property.
Installations within commercial settings for which this boiler was not designed.
All descriptions and illustrations provided in this leaflet have been carefully
prepared but we reserve the right to make changes and improvements in
our products which may affect the accuracy of the information contained in
this leaflet. All goods are sold subject to our standard Conditions of Sale
which are available on request.
BAXI
A Trading Division of Baxi Heating UK Ltd (3879156)
Brooks House, Coventry Road, Warwick. CV34 4LL
After Sales Service 0844 871 1525 Technical Enquiries 0844 871 1555
Website www.baxi.co.uk
e&oe
© Baxi Heating UK Ltd 2012
Reimbursement of any third party repair or replacement costs that we haven’t
been told about or agreed with you in advance.
Compensation for consequential losses (e.g. loss of earnings, business losses,
stress and inconvenience) arising from a production breakdown, including
repair delays caused by factors outside our reasonable control.
Annual Service
To ensure you receive the maximum efficiency from your boiler we
recommend your boiler has an annual service so you and your family can
continue to enjoy heating and hot water comfort.
To arrange an annual service from one of our Baxi Heating UK Ltd heating
experts, please call 0844 871 1545.
Comp No. 7210967 - 01 (10/12)
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