Baxi GA Combi & System Boiler Range User manual

2
www.baxi.co.uk
Install warmth, efciency & peace of mind
The Baxi GA Combi &
System Boiler Range
www.baxi.co.uk
402050-06 Baxi range guide.indd 2 25/02/2013 08:59

For technical enquiries e-mail [email protected]
2
The GA range of combi and system boilers from Baxi
When your customers buy a new boiler, it’s an
investment they don’t take lightly.
We understand that you need to supply a boiler
that guarantees comfortable living temperatures
and ample hot water as well as delivering energy
savings and reliability – year in, year out. A boiler
that ts perfectly in your customers’ homes and
their lifestyles and saves them money throughout
its lifetime.
Baxi boilers tick all the boxes.
They tick all your boxes too. They’re easy to t because they have many common
features and components, aid you in the commissioning process and congure
automatically to natural gas or LPG. They also include compact, cupboard-t*
models. These features can help you nish the installation faster and move on to
the next one. Their reliability also saves you hassle and protects your reputation.
We’ve put together this guide to help you select the best Baxi boiler for your
customers’ needs. Check out the innovative features, compare the specications,
read why our support is second-to-none, and you’ll soon see why Baxi is the brand
of choice for so many installers.
2For technical enquiries e-mail [email protected]
*Standard cupboard dimensions of 900mm x 500mm x 300mm, with control panel ap removed, excluding 32kW model of Baxi Megao System
Compact GA
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3
www.baxi.co.uk
Contents
Contents
A history of quality and innovation 4
Baxi boiler efciency calculator 5
Accessories and controls 20
Other heating solutions from Baxi 26
heateam and aftersales support 28
Baxi training 29
works business support scheme 30
Local events and literature 31
At a glance 6
Baxi Duo-tec Combi GA 8
Baxi Neta-tec Combi GA 12
Baxi Megao System Compact GA 16
Introduction
Information about the new range
Accessories and controls
Flue options
Our support for you
Flues 22
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For technical enquiries e-mail [email protected]
4
The brand that stands for quality and innovation
1866 1966 2001 2006 2010 2011
There’s much more to Baxi than our great range of boilers.
We’ve had experience in the heating industry since 1866. We’ve earned an unparalleled reputation
over the years because we are always striving to create highly efcient, cost effective and reliable
heating and hot water solutions for every installation, it’s what we do best.
We’re very proud of our long heritage of quality and innovation, and that we continue to manufacture
here in the UK. All Baxi GA boilers are Energy Saving Trust Recommended to give your customer added
peace of mind.
The company
is founded by
Richard Baxendale
in Chorley,
Lancashire
The original Baxi
Bermuda back
boiler revolutionises
home heating and
hot water
The Baxi 105 E
becomes the biggest
selling combination
boiler in the UK
The Baxi Duo-tec HE
is launched and is
awarded the UK’s
2007 ‘Best Buy’ by
Which? and wins
2008 CORGI Boiler
of the Year
The Baxi Ecogen
becomes the UK’s
rst domestic micro-
CHP unit, winning
multiple awards
Baxi launches
the rst range
of Gas Adaptive
boilers, setting new
standards in boiler
reliability and
efciency
Made in the UK
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5
www.baxi.co.uk
Discover fantastic fuel bill savings with
the Baxi boiler efciency calculator!
Baxi boiler efciency calculator
The Baxi boiler efciency calculator will help you and your customers to discover how
much could be saved on fuel bills by tting a new A rated boiler in comparison to an
existing boiler.
Quick and easy to use, the calculator can show the potential savings made possible by
installing an energy efcient, A rated boiler. This also includes details of the Baxi GA boilers,
the most fuel efcient boilers we’ve ever made.
Key features and benets of Baxi A rated boilers:
• Supremely efcient and reliable
• Nationwide support from heateam - our award-winning, dedicated support service
• Variety of boiler types and numerous outputs available for different size properties
and requirements, all with the same great quality
• Compatible with a wide range of accessories
The Baxi boiler efciency calculator will ask
for general information about the property
in question and the current heating system.
It takes just a few minutes to answer the
questions that will help us to predict fuel
usage and calculate potential savings.
www.baxi.co.uk/compare
If you need any help or support with your
calculation, or if you are an installer looking for
our printed version, please call 0800 138 3142.
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At a glance
An at a glance guide to our GA boilers, the key features available with
each model and their benets to you and your customers
Features and benets
Baxi Duo-tec Combi GA Baxi Neta-tec Combi GA
and Plus Combi GA
Baxi Megao System
Compact GA
Gas Adaptive Control
Automatic set-up for faster and easier installation
Wide modulation range
Reduces wear and tear, and gas usage
1:7 1:5 1:7
Front component access
For quicker and easier servicing
Up to ve years parts and labour warranty*
For peace of mind
Pre-plumbing jig
For faster and easier installation
Cupboard t †
For more exible and discreet siting
Low lift weight
For easier installation and transportation
Natural gas and LPG ready
No conversion kit required
Multit GasSaver compatible
Saves up to 37% of gas used to heat hot water and cold water consumption by up to 7%**
User-friendly controls
Easy and intuitive, for greater heating and hot water comfort
Anti-cycling function/pump overrun
Protects against overheating and prevents boiler cycling
Frost protection
Enables exibility of siting
Anti-sticking function
Extends life by preventing pump and 3-way valve sticking
Auto-system bypass
Protects against overheating without external bypass
Filling loop
For easier installation
6
*Subject to registration and annual service by any Gas Safe registered installer.
Neta-tec Plus Combi GA has a ve year parts and labour warranty, all other GA models have a two year parts and labour warranty.
**Test conducted by independent scientic test house, TNO. Calculation based on an average household’s consumption of 100 litres of hot water per day.
Results were based on a comparison of a SEDBUK (2005) > 91% rated high efciency boiler versus a high efciency boiler and GasSaver.
† Standard cupboard dimensions of 900mm x 500mm x 300mm, with control panel ap removed.
For technical enquiries e-mail [email protected]
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7
At a glance
Features and benets
Baxi Duo-tec Combi GA Baxi Neta-tec Combi GA
and Plus Combi GA
Baxi Megao System
Compact GA
Gas Adaptive Control
Automatic set-up for faster and easier installation
Wide modulation range
Reduces wear and tear, and gas usage
1:7 1:5 1:7
Front component access
For quicker and easier servicing
Up to ve years parts and labour warranty*
For peace of mind
Pre-plumbing jig
For faster and easier installation
Cupboard t †
For more exible and discreet siting
Low lift weight
For easier installation and transportation
Natural gas and LPG ready
No conversion kit required
Multit GasSaver compatible
Saves up to 37% of gas used to heat hot water and cold water consumption by up to 7%**
User-friendly controls
Easy and intuitive, for greater heating and hot water comfort
Anti-cycling function/pump overrun
Protects against overheating and prevents boiler cycling
Frost protection
Enables exibility of siting
Anti-sticking function
Extends life by preventing pump and 3-way valve sticking
Auto-system bypass
Protects against overheating without external bypass
Filling loop
For easier installation
www.baxi.co.uk
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For technical enquiries e-mail [email protected]
8
Baxi Duo-tec Combi GA
The Baxi Duo-tec Combi GA is one of our best selling
boilers, and understandably so. It uses the THINK
combustion management system incorporating our
unique Gas Adaptive Control. This, together with a wide
1:7 modulation range, contributes to smoother operation,
higher energy efciency, reduced wear and tear and
extended boiler life
There’s a model for every home, with the powerful
40kW model ensuring exceptional hot water ow
rates in larger properties.
Always listening to our installers, we’ve included popular
features such as front access for easy servicing, brass
hydraulics, and a service-due function to remind your
customer when the boiler is in need of a service, providing
you with repeat business.
Key features
Gas Adaptive Control reduces fuel
consumption and improves boiler reliability
Natural gas and LPG ready - no need for
conversion kit
Wide modulation range of 1:7 helps to
reduce fuel bills and cut carbon emissions
Front access to all components makes the Baxi
Duo-tec Combi GA quick and easy to service
One piece pre-plumbing jig for faster and
easier installation
Filling loop as standard for ease of lling
Anti sticking function - extends appliance life
by preventing pump and 3-way valve sticking
Anti cycling/pump overrun protects against
boiler cycling and overheating
Frost protection gives greater siting exibility
Extensive ue options with lengths up to
20m enables more exible siting
Wide range of outputs up to 40kW to suit
different sizes and styles of property
Class leading hot water ow rates
for increased homeowner comfort
and convenience
Complete with a two year parts and labour
warranty for added peace of mind
Subject to registration and annual service by any Gas Safe
registered installer
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www.baxi.co.uk
Baxi Duo-tec 24 hour digital
timer and fascia kit
Compatible accessories
Baxi wireless 24 hour programmer
and room sensors
Baxi wired weather sensor Multit GasSaver GS1
Is it for my customer?
A boiler that reduces CO2
by 9.2% and delivers a SAP
benet of up to 2.7%.†
†Baxi laboratory testing & analysis has shown these reductions when
measuring a Baxi Duo-tec 28 GA compared to a Baxi Duo-tec 28 HE Aboiler
See page 20 for further information
9
Baxi Duo-tec Combi GA
Baxi room thermostatBaxi electro-mechanical
24 hour timer kit
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For technical enquiries e-mail [email protected]
10
Baxi Duo-tec Combi GA
Key components and tting dimensions
PCB with ‘THINK Intelligence’ within
Gas valve
Brass hydraulics
2 Speed Grundfos pump
Servicing space
The THINK combustion management system utilises key components in the boiler
to manage the combustion process, delivering lower carbon emissions, reduced
wear and tear and lower fuel bills.
1 4
2 5
3
1
50
mm
M
i
n
7
63mm
4
5
0
mm
5
5
mm
M
i
n
5mm
M
i
n
1
6
2mm
106
mm
M
i
n
17
5
mm
M
(
300mm if
M
in
M
5
mm
/
12
5
usin
g
80
/
m)
y
ste
m
fluein
g
s
y
5mm Min
450mm Min
For servicing
purposes
In operation
At least 1.5°
345mm*
1
2
34
5
*355mm with control panel ap
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11
www.baxi.co.uk
Technical specications
Baxi Duo-tec Combi GA
Duo-tec
Combi
24 GA
Duo-tec
Combi
28 GA
Duo-tec
Combi
33 GA
Duo-tec
Combi
40 GA
Sales Code Boiler only 720117801 720118001 720118201 720118401
Std. Flue 720598701 720598701 720598701 720598701
Controls
Concealed User Controls Yes Yes Yes Yes
User adjustable DHW temperature Yes Yes Yes Yes
User adjustable CH temperature Yes Yes Yes Yes
LCD Control Panel Temp/Status/Fault Diagnosis Display Yes Yes Yes Yes
Performance
Heat Output CH kW (Max) 20 24 28 33
kW (Min) 3.4 3.8 4.7 5.7
Heat Output DHW Output - kW (Max) 24 28 33 40
Maximum DHW Flow Rate (Delta T @ 35oMax) l/min 9.8 11.5 13.5 16.4
Minimum DHW Flow Rate Required l/min 2 2 2 2
Minimum Operating DHW Pressure Required bar 0.15 0.15 0.15 0.15
SEDBUK 2005 Seasonal Efciency NG/LPG % 91.1/93.2 91.1/93.2 91.1/93.2 91.1/93.2
SEDBUK 2009 Seasonal Efciency NG/LPG % 88.9/91.0 89.0/91.0 89.0/90.9 88.9/90.9
NOx Class (5 being lowest) 1 - 5 5 5 5 5
NOx Emission mg/kW/h 16.1 19.3 17 26.5
CO Emission mg/kW/h 5.1 8 7.5 22.8
Gas
Gas Supply Pipe Size (mm) 22 22 22 22
NG & LPG (Propane) Compatible (single product) Yes Yes Yes Yes
Nominal Gas Inlet Pressure NG/LPG (mbar) 20/37 20/37 20/37 20/37
Maximum Gas Rate (NG/Propane) after 10 mins m3/hr 2.5/1.92 3.0/2.25 3.5/2.64 4.2/3.06
Electrical
Electrical Supply Volts/Hz 230V/50Hz 230V/50Hz 230V/50Hz 230V/50Hz
Permanent Live Required Yes Yes Yes Yes
Electrical Cable Required (Core) 3 x 0.75 3 x 0.75 3 x 0.75 3 x 0.75
Power Consumption Watts 104 116 133 142
External Fuse Rating Amps 3 3 3 3
Boiler IP Rating Approval Category IPX5D IPX5D IPX5D IPX5D
Mechanical &Hydraulic Connections
CH Flow/Return Pipe Size (mm) 22 22 22 22
DHW Flow/Inlet/PRV Size (mm) 15 15 15 15
Condensate Discharge Pipe Size (mm) 21.5 21.5 21.5 21.5
Installation
24 hr Pump Exercise Yes Yes Yes Yes
Pump Overrun Yes Yes Yes Yes
System Filling Loop Standard Standard Standard Standard
Integral System Pump 2 Speed 2 Speed 2 Speed 2 Speed
Integral ‘Boiler Only’ Frost Thermostat Yes Yes Yes Yes
Pre-plumb Jig Available Yes Yes Yes Yes
Stand off Bracket (Optional) Yes Yes Yes Yes
Installer Lift Weight Max (kg) 36 36 38 39
Flue Systems
Max Horizontal Ø60/100 m 10 10 10 10
Max Vertical Ø60/100 m 10 10 10 10
Max Horizontal Ø80/125 m20 20 20 20
Max Vertical Ø80/125 m 20 20 20 20
Twin-pipe Horizontal Ø80/80 m 15 15 15 15
Twin-pipe Vertical Ø80/80 m 15 15 15 15
Plume Management Kit (Max length) m 8 8 8 8
402050-06 Baxi range guide.indd 11 25/02/2013 09:00

For technical enquiries e-mail [email protected]
12
Baxi Neta-tec Combi GA and
Baxi Neta-tec Plus Combi GA
The Baxi Neta-tec Combi and Neta-tec Plus Combi GA
models efciency makes them very economical for your
customers to run year-in, year-out. Baxi’s innovative
THINK combustion management system incorporating
Gas Adaptive Control – together with a wide modulation
range – contributes to reduced wear and tear and
extended boiler life.
The space-saving design of both models offer more
options for locating it in the home and easier installation
for you. This also makes it the perfect solution where
space is at a premium.
What’s more, despite its innovative design and high
quality range of features, both the Baxi Neta-tec Combi
and Neta-tec Plus Combi GA will probably cost less than
you think.
Key features
Gas Adaptive Control reduces fuel
consumption and improves boiler reliability
Natural gas and LPG ready - no need for
conversion kit
Wide modulation range of 1:5 helps to reduce
fuel bills and cut carbon emissions
Front access to all components makes the Baxi
Neta-tec Combi GA quick and easy to service
One piece pre-plumbing jig for faster and
easier installation
Filling loop as standard for ease of lling
Anti sticking function - extends appliance life
by preventing pump and 3-way valve sticking
Low lift weight for easy handling and installation
Anti cycling/pump overrun protects against
boiler cycling and overheating
Frost protection gives greater siting exibility
Extensive ue options with lengths up to
20m enables more exible siting
Wide range of outputs up to 32kW to suit
different sizes and styles of property
Compact dimensions for discreet and exible
siting
Complete with a two year parts and labour
warranty as standard on the Neta-tec Combi GA
and ve years on the Neta-tec Plus Combi GA
Subject to registration and annual service by any Gas Safe
registered installer
402050-06 Baxi range guide.indd 12 25/02/2013 09:00

Compatible accessories
13
Baxi Neta-tec Combi GA Baxi Neta-tec Plus Combi GA
Is it for my customer?
Savings can be made by replacing
an old, inefficient boiler with a
Band A model.
Visit www.baxi.co.uk/compare
to try the Baxi Boiler Efficiency
Calculator.
Baxi Neta-tec 24 hour digital
timer and fascia kit
Baxi wireless 24 hour programmer
and room sensors
Baxi wired weather sensor Multit (Compact) GasSaver GS1c
See page 20 for further information
Baxi room thermostatBaxi electro-mechanical
24 hour timer kit
402050-06 Baxi range guide.indd 13 25/02/2013 09:00

For technical enquiries e-mail [email protected]
14
i
n
m M
150
150mm M
390
mm
1
62
mm
1
06
mm
M
i
n
m M
175
175mm M
i
n if
i
(
300mm M
5
mm
5
u
u
sin
g
80
/
12
5
t
em
)
t
f
lueing sys
t
5
mm
M
i
n
5
mm Mi
n
700
m
m
5mm Min
450mm Min
For servicing
purposes
In operation
At least 1.5°
290mm*
Baxi Neta-tec Combi GA and
Baxi Neta-tec Plus Combi GA
Key components and tting dimensions
PCB with ‘THINK Intelligence’ within
Gas valve
2 Speed Grundfos pump
Cupboard t dimensions
Low lift weight - from 34kg
1 4
2 5
3
1
23
4
5
The THINK combustion management system utilises key components in the boiler
to manage the combustion process, delivering lower carbon emissions, reduced
wear and tear and lower fuel bills.
*300mm with control panel ap
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15
www.baxi.co.uk
Neta-tec
Combi
& Plus Combi
24 GA
Neta-tec
Combi
& Plus Combi
28 GA
Neta-tec
Combi
& Plus Combi
33 GA
Sales Code
Boiler only 720023001 720023101 720023201
Plus 7210899 Plus 7210901 Plus 7210903
Std. Flue 720870201 720870201 720870201
Plus 720870201 Plus 720870201 Plus 720870201
Boiler with Std. Flue 720861201 720861301 720861401
Plus 7210905 Plus 7210906 Plus 7210907
Controls
Concealed User Controls Yes Yes Yes
User adjustable DHW temperature Yes Yes Yes
User adjustable CH temperature Yes Yes Yes
LCD Control Panel Temp/Status/Fault Diagnosis Display Yes Yes Yes
Performance
Heat Output CH kW (Max) 20 24 28
kW (Min) 3.4 3.8 4.7
Heat Output DHW Output - kW (Max) 24 28 33
Maximum DHW Flow Rate (Delta T @ 35oMax) l/min 9.8 11.5 13.5
Minimum DHW Flow Rate Required l/min 2 2 2
Minimum Operating DHW Pressure Required bar 0.15 0.15 0.15
SEDBUK 2005 Seasonal Efciency NG/LPG % 91.1/93.2 91.1/93.2 91.1/93.2
SEDBUK 2009 Seasonal Efciency NG/LPG % 88.9/91.0 89.0/91.0 89.0/90.9
NOx Class (5 being lowest) 1 - 5 5 5 5
NOx Emission mg/kW/h 16.1 19.3 17
CO Emission mg/kW/h 5.1 8 7.5
Gas
Gas Supply Pipe Size (mm) 22 22 22
NG & LPG (Propane) Compatible (single product) Yes Yes Yes
Nominal Gas Inlet Pressure NG/LPG (mbar) 20/37 20/37 20/37
Maximum Gas Rate (NG/Propane) after 10 mins m3/hr 2.5/1.92 3.0/2.25 3.5/2.64
Electrical
Electrical Supply Volts/Hz 230V/50Hz 230V/50Hz 230V/50Hz
Permanent Live Required Yes Yes Yes
Electrical Cable Required (Core) 3 x 0.75 3 x 0.75 3 x 0.75
Power Consumption Watts 104 116 133
External Fuse Rating Amps 3 3 3
Boiler IP Rating Approval Category IPX5D IPX5D IPX5D
Mechanical & Hydraulic Connections
CH Flow/Return Pipe Size (mm) 22 22 22
DHW Flow/Inlet/PRV Size (mm) 15 15 15
Condensate Discharge Pipe Size (mm) 21.5 21.5 21.5
Installation
24 hr Pump Exercise Yes Yes Yes
Pump Overrun Yes Yes Yes
System Filling Loop Standard Standard Standard
Integral System Pump 2 Speed 2 Speed 2 Speed
Integral ‘Boiler Only’ Frost Thermostat Yes Yes Yes
Pre-plumb Jig Available Yes Yes Yes
Stand off Bracket (Optional) Yes Yes Yes
Installer Lift Weight Max (kg) 34 34 36
Flue Systems
Max Horizontal Ø60/100 m 10 10 10
Max Vertical Ø60/100 m 10 10 10
Max Horizontal Ø80/125 m 20 20 20
Max Vertical Ø80/125 m 20 20 20
Twin-pipe Horizontal Ø80/80 m 15 15 15
Twin-pipe Vertical Ø80/80 m 15 15 15
Plume Management Kit (Max length) m 8 8 8
Baxi Neta-tec Combi GA and
Baxi Neta-tec Plus Combi GA
Technical specications
Baxi Neta-tec Combi GA Baxi Neta-tec Plus Combi GA
402050-06 Baxi range guide.indd 15 25/02/2013 09:00

For technical enquiries e-mail [email protected]
16
Baxi Megao System Compact GA
Your customers will love the Baxi Megao System
Compact GA because of its efciency. You’ll love it
because it’s fast and easy to install. Being designed
for fully-pumped sealed systems, the pump and
expansion tank are already built in, yet the space-
saving design means that it can be located discreetly
into a kitchen cupboard*.
The THINK combustion management system incorporates
our unique Gas Adaptive Control, together with a wide
modulation range, contributing to reduced wear and tear
and extended boiler life.
We’ve also added a 12kW model – perfect for well
insulated, modern homes.
The Baxi Megao System Compact GA is compatible with
the Megao Eco hot water and solar cylinders and Baxi
Solaro solar thermal range.
Key features
Gas Adaptive Control reduces
fuel consumption and improves
boiler reliability
Wide modulation range of 1:7 helps to
reduce fuel bills and cut carbon emissions
Front access to all components makes the
Baxi Megao System Compact GA quick
and easy to service
One piece pre-plumbing jig for faster and
easier installation
Low lift weight for easy handling
and installation
Pump and expansion tank are built in for
faster, easier installation
Extensive ue options with lengths up to
20m enables more exible siting
Wide range of outputs up to 32kW to suit
different sizes and styles of property
Compact cupboard t dimensions for
discreet siting*
Complete with a two year parts and
labour warranty for added peace of mind
Subject to registration and annual service by any Gas Safe
registered installer
*Standard cupboard dimensions of 900mm x 500mm x 300mm, with
control panel ap removed, excluding 32kW model
402050-06 Baxi range guide.indd 16 25/02/2013 09:00

Baxi Solaro solar thermal range
Compatible accessories
Megao Eco Solar cylinder
Multit (Compact) GasSaver GS1c See page 21 for further information on the
Multi GasSaver
See page 27 for further information on the
Solaro solar thermal range
17
Baxi Megao System Compact GA
Is it for my customer?
A Baxi GA boiler is 8.7% more
efcient than our other high
efciency boilers.†
†Baxi laboratory testing & analysis has shown these reductions when
measuring a Baxi Duo-tec 28 GA compared to a Baxi Duo-tec 28 HE Aboiler
Baxi room thermostat
402050-06 Baxi range guide.indd 17 25/02/2013 09:00

For technical enquiries e-mail [email protected]
18
Baxi Megao System Compact GA
Key components and tting dimensions
150mm Min
700mm
390mm
175mm Min
(300mm Min if
using 80/125mm
flueing system)
5mm Min 5mm Min
162mm
106mm
(450mm - 32kW model)
(763mm -
32kW model)
5mm
M
i
n
4
5
0
mm
M
i
n
F
or servicing
p
u
rposes
I
n operation
t 1.5
°
At
l
eas
290mm
290mm
*
(
345mm - 32kW model
)
PCB with ‘THINK Intelligence’ within
Gas valve
2 Speed Grundfos pump
Cupboard t dimensions
Low lift weight - from 32.5kg
1 4
2 5
3
1
2
3
4
5
The THINK combustion management system utilises key components in the boiler
to manage the combustion process, delivering lower carbon emissions, reduced
wear and tear and lower fuel bills.
*300mm and 355mm (32kW) with control panel ap
402050-06 Baxi range guide.indd 18 25/02/2013 09:00

19
www.baxi.co.uk
Megao
System
Compact
12 GA
Megao
System
Compact
15 GA
Megao
System
Compact
18 GA
Megao
System
Compact
24 GA
Megao
System
Compact
28 GA
Megao
System
32 GA
Sales Code Boiler only 720118501 720118601 720118701 720118901 720119101 720119201
Std. Flue 720598701 720598701 720598701 720598701 720598701 720598701
Controls
Concealed User Controls Yes Yes Yes Yes Yes Yes
User adjustable CH temperature Yes Yes Yes Yes Yes Yes
LCD Control Panel Temp/Status/Fault
Diagnosis Display Yes Yes Yes Yes Yes Yes
Performance
Heat Output CH kW (Max) 12 15 18 24 28 32
kW (Min) 2 2.1 2.5 3.4 4 4.6
SEDBUK 2005 Seasonal Efciency
NG/LPG % 91.1/93.2 91.1/93.2 91.1/93.2 91.1/93.2 91.1/93.2 91.1/93.2
SEDBUK 2009 Seasonal Efciency
NG/LPG % 89.1/91.1 89.0/91.0 89.0/91.0 89.0/91.0 89.0/91.0 89.0/91.0
NOx Class (5 being lowest) 1 - 5 5 5 5 5 5 5
NOx Emission mg/kW/h 23.6 15.2 29.2 16.1 17.9 30.7
CO Emission mg/kW/h 1.7 2.3 5.9 5.1 8.4 22.8
Gas
Gas Supply Pipe Size (mm) 22 22 22 22 22 22
NG & LPG (Propane) Compatible
(single product) Yes Yes Yes Yes Yes Yes
Nominal Gas Inlet Pressure NG/LPG
(mbar) 20/37 20/37 20/37 20/37 20/37 20/37
Maximum Gas Rate (NG/Propane)
after 10 mins m3/hr 1.3/0.93 1.6/1.17 1.9/1.4 2.5/1.86 3.0/2.18 3.4/2.49
Electrical
Electrical Supply Volts/Hz 230V/50Hz 230V/50Hz 230V/50Hz 230V/50Hz 230V/50Hz 230V/50Hz
Permanent Live Required Yes Yes Yes Yes Yes Yes
Electrical Cable Required (Core) 3 x 0.75 3 x 0.75 3 x 0.75 3 x 0.75 3 x 0.75 3 x 0.75
Power Consumption Watts 110 108 125 104 135 132
External Fuse Rating Amps 3 3 3 3 3 3
Boiler IPX Rating Approval
Category IPX5D IPX5D IPX5D IPX5D IPX5D IPX5D
Mechanical &Hydraulic Connections
CH Flow/Return Pipe Size (mm) 22 22 22 22 22 22
Condensate Discharge Pipe Size (mm) 21.5 21.5 21.5 21.5 21.5 21.5
Installation
24 hr Pump Exercise Yes Yes Yes Yes Yes Yes
Pump Overrun Yes Yes Yes Yes Yes Yes
Integral System Pump 2 Speed 2 Speed 2 Speed 2 Speed 2 Speed 2 Speed
Integral ‘Boiler Only’ Frost Thermostat Yes Yes Yes Yes Yes Yes
Pre-plumb Jig Available Yes Yes Yes Yes Yes Yes
Stand off Bracket (Optional) Yes Yes Yes Yes Yes Yes
Installer Lift Weight Max (kg) 32.5 32.5 32.5 32.5 34.5 37.5
Flue Systems
Max Horizontal Ø60/100 m 10 10 10 10 10 10
Max Vertical Ø60/100 m 10 10 10 10 10 10
Max Horizontal Ø80/125 m 20 20 20 20 20 20
Max Vertical Ø80/125 m 20 20 20 20 20 20
Twin-pipe Horizontal Ø80/80 m 15 15 15 15 15 15
Twin-pipe Vertical Ø80/80 m 15 15 15 15 15 15
Plume Management Kit (Max length) m 8 8 8 8 8 8
Technical specications
Baxi Megao System Compact GA
402050-06 Baxi range guide.indd 19 25/02/2013 09:00

For technical enquiries e-mail [email protected]
20
Accessories and controls
Baxi plug-in 24 hour timer – standard (#720645201) & compact (#720818201)
We supply a comprehensive range of easy-to-t accessories to ensure that your customers reap
the maximum benets of economy and efciency from their Baxi boiler.
• Compatible with Baxi Neta-tec Combi GA and Baxi Duo-tec Combi GA
• Plugs into boiler fascia for simple timer option
• Easy-to-read backlit LCD display
• The usability of our mechanical timer with digital features
Baxi electro-mechanical 24 hour timer kit (#720971401)
• To be sited remotely from the boiler
• Simple-to-use tappet time clock in 15min adjustable time segments
• On/Off/Auto functionality
Baxi room thermostat (#720971601)
• Easy to use dial
• Temperature range 5˚C to 35˚C adjustment
• Additional savings of £71 can be achieved by installing a room thermostat†
Item description Compatible range Sales Code
Baxi plug-in 24 hour timer - standard (Duo-tec) Baxi Duo-tec Combi GA 720645201
Baxi plug-in 24 hour timer - compact (Neta-tec) Baxi Neta-tec Combi GA 720818201
Baxi electro-mechanical 24 hour timer kit Baxi Neta-tec Combi GA, Baxi Duo-tec Combi GA &
Baxi Megao System Compact GA 720971401
Baxi room thermostat Baxi Neta-tec Combi GA, Baxi Duo-tec Combi GA &
Baxi Megao System Compact GA 720971601
Baxi wireless 7 day programmable room thermostat Baxi Neta-tec Combi GA, Baxi Duo-tec Combi GA &
Baxi Megao System Compact GA 720030501
Baxi programmable 24 hour wireless sensor (single channel) Baxi Neta-tec Combi & Baxi Duo-tec Combi GA 720644901
Baxi programmable 7 day wired sensor (2 channel) Baxi Neta-tec Combi GA & Baxi Duo-tec Combi GA 720644701
Baxi programmable 7 day wireless sensor (2 channel) Baxi Neta-tec Combi GA & Baxi Duo-tec Combi GA 720644801
Baxi wired weather sensor Baxi Neta-tec Combi GA & Baxi Duo-tec Combi GA 720103001
Multit HeatSaver & GS1 GasSaver Kit Baxi Neta-tec Combi GA & Baxi Duo-tec Combi GA 72072001
Multit (Compact) GasSaver GS1c Baxi Neta-tec Combi GA & Baxi Megao System Compact GA 720855201
Multit GasSaver GS1 Baxi Duo-tec Combi GA & Baxi Megao System 32 GA 720056901
Multit external boiler discharge pump (PRV & condensate)
5m Vertical head
Baxi Neta-tec Combi GA & Baxi Megao System Compact GA 720648301
Multit stand off kit - standard Baxi Duo-tec Combi GA 720648101
Multit stand off kit - compact Baxi Neta-tec Combi GA & Baxi Megao System Compact GA 720648201
Remote PRV Kit Baxi Neta-tec Combi GA & Baxi Megao System Compact GA 5121379
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