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The energy you need
Betacom
2
Technical Product
Guide
Glow-worm
Nottingham Road
Belper
Derbyshire
DE56 1JT
www.glow-worm.co.uk
Head O ce:
01773 824 639
Literature:
01773 596 105
A er Sales Service:
01773 828 100
Technical Advice:
01773 828 300
(Boilers)
08447 361 143
(Renewables)
Training:
01773 596 156
BET2GUIDE
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Contents
An Introduction to Betacom
2
Contents 02
An Introduction to Betacom
Key features and benets 03
Control compatibility table 04 - 05
Accessories & Hydracyl cylinders 06 - 09
Specication Table 10
Product dimensions and clearances 11
Horizontal flueing options & flueing accessories 12
Vertical flueing options & flueing accessories 13
Expert support from start to nish 14 - 15
03
2
Disclaimer
This Technical Guide is intended as a guide only, and should not be used as an alternative to the
manufacturers instructions provided at purchase. The information in this guide was correct at the time
of going to print. Glow-worm reserve the right to make any modications to product specications, or
any other details, without prior notication. For further clarication, please enquire in writing to the
head oce address on the reverse of this brochure.
Visit www.glow-worm.co.uk to view and download technical data
The Betacom2 is the new great value combi boiler from Glow-worm.
Designed and manufactured at Glow-worm’s industry-leading facilities in Belper, Derbyshire.
The straightforward, value combi boiler range is easy to use & install and supported with
standard FREE 2 year warranty.
The Betacom2 combi boiler is available in a choice of 24kW and 28kW models, and features
an in-built Grundfos pump and a stainless steel heat exchanger for proven reliability and
performance.
Glow-worm’s Betacom
standard horizontal flue and is also available in a straightforward and easy to order installer
pack.
Installation and servicing are made straightforward, with an LCD display using standard
Glow-worm diagnostics, and easy access to both 24v and 230v wiring compartments.
Betacom
The Betacom
nationwide so you’re never far from your local branch. City Plumbing Supplies stock all the
essential Glow-worm products which are always in stock and the ability to get rapid delivery
from their central distribution centre.
is also LPG compatible with no need for a separate conversion kit.
2
combi boiler is available from City Plumbing Supplies which have 190 branches
2
combi boiler comes complete with a pre-tted analogue timer and
2
Key Features & Benets
• New high eciency combi boiler designed to meet Building Regulations Part L 2010
• Available in 24 & 28kW models oering 9.8 & 11.5l/min
• UK manufactured with Glow-worm’s industry-leading facilities
• Stainless steel heat exchanger for proven and reliable performance
• Grundfos pump with daily pump exercise program
• LPG compatible; without the need for a separate conversion kit
• Compatible with Glow-worm Climapro
• Easy to use and install
• LCD display to provide straightforward installer and homeowner interface
• Compatible with Glow-worm’s full range flue components
• Compatible with Glow-worm’s range of intelligent controls
• Sold in great value complete kit; includes boiler, clock and flue*
• Easy to use & install with standard 2 year warranty
2
RF
Dimensions (mm):
740 x 418 x 338mm
Maximum flue lengths:
Ø60/100 mm Horizontal 6m
Ø80/125 mm Horizontal 10m
Ø60/100 mm Vertical 6m
Ø80/125 mm Vertical 10m
*standard horizontal flue
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Control Compatibility Table Glow-worm Controls
The table below summarises the compatibility of the Glow-worm Betacom2 boiler with our
range of intelligent controls. See the table below for more detailed control option information.
Appliance Climastat
Betacom
2
Wired
Climapro
Wireless
Climapro₂ RF
Wired
Outdoor
Sensor
Wireless
Outdoor
Sensor
Glide down
analogue
timer
Analogue
timer
Plug in
digital timer
Smart
Wiring
Centre
Control options
Betacom2 control options
Plug in
analogue
or digital
timer
Smart
Wiring
Centre
Betacom2Climastat
Wired
Climapro
Wireless
Climapro₂ RF
Wired
Outdoor
Sensor
Wireless
Outdoor
Sensor
Climapro₂ RF
Our innovative wireless programmable room thermostat for advanced
heating and hot water control any time of the week.
• Two channel wireless programmable room thermostat with time
and temperature control of central heating and hot water
• Backlit display provides advanced user control and functionality
• Simple and initiative to use handheld unit can be wall mounted or
portable within the living area
• Capable of room and weather compensation (with outdoor sensor)
Climastat
Thermostat (Temperature only)
• Easy to use
• Extra low voltage
• Simple & discreet 2 wire connection
• Wiring polarity not important
To achieve room compensation you will need:
Using inbuilt analogue timer
or
Using external controls
To achieve weather compensation you will need:
Using inbuilt analogue timer
or
Using external controls (Wired)
Using external controls (Wireless)
+
+
+
+
+
+
or
+
+
+
+
Climapro
Programmable room thermostat (Time and temperature)
• Simple 2 channel controller for central heating and hot water
• Provides 24 hour or 7 day timed programme options
• Extra low voltage
• Simple & discreet 2 wire connection
• Wiring polarity not important
Outdoor Sensor
Weather compensation sensor (Wired)
• Enables weather compensation
• Wired sensor
• Simple and discreet
Wireless Outdoor Sensor
Wireless weather compensation sensor using inbuilt PV cells
• Enables weather compensation when paired with Climapro₂ RF
• Works on indirect sunlight which re-charges the small PV cells
• Simple and quick to install
• Only works with Climapro₂ RF
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Accessories:
Plume & condensate
solutions
Fully compatible with all Glow-worm boilers, these
handy accessories help solve pluming and condensate
issues that can be faced when installing modern
condensing boilers.
Plume Management Kit
This clever accessory exhausts plume further away from
the duct or building openings, reducing the impact of the
vapour trail.
The simple piping kit ts neatly onto the horizontal flue
and can be extended to a maximum of 6m in length, tting
easily around ledges and other obstacles to achieve the
minimum clearance levels required on installations.
Plume Deflector Kit
A useful accessory takes the hassle out of flue gas
termination by diverting plume le , right or upwards
away from problem zones such as adjacent properties or
walk ways.
Condensate Pump
To solve problems associated in locating a suitable outlet
to drain condensate from the condensing boiler, the
Glow-worm Condensate Pump collects the condensate
from the boiler and pumps it to a suitable outlet such as
a waste system.
The smallest available in the UK, the Glow-worm
Condensate Pump operates at maximum e ciency
with the reservoir pump discharging all the
condensate when the ll level is reached, rather than a
stop/start operation.
Ridge Tile Terminal
The Ridge Tile Terminal accessory is designed to make the
roof nish look neater and less obtrusive. Available in a
black enamel nish, the ridge tile accessory can be tted
to purpose designed flue outlet ridge tiles and provides a
quick and easy design solution.
Available in black or white, the Plume Deflector Kit can
be installed quickly and simply onto a horizontal flue
instead of the standard terminal end piece during or
a er installation.
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Hydracyl cylinders & accessories
Single coil cylinders –
for traditional heating systems
An integral part of any regular heat only or sealed system;
Glow-worm cylinders are extremely reliable, hard wearing and come complete with a 25 year
warranty against perforation of the steel shell.
They are available in four sizes - 150, 205, 250 and 300 litres and manufactured from high grade
stainless steel with laser welded seams.
Our cylinders are built with eciency and performance in mind, and incorporate excellent
insulation that achieves heat loss as low as 1.7kWh/24hrs and a high recovery heating coil that
reheats the cylinder in as little as 20 minutes.
Key Features
• Hydracyl available in 150, 205, 250 & 300 litre models
• High grade stainless steel cylinder with
laser welded seams
• Maximum performance with minimum fuel costs.
• Insulation exceeds CHeSS Best Practice
• External expansion vessel supplied
• Complies with WRAS and G3 regulations
• Simple controls and wiring box
• Intelligent system solutions when used with
Glow-worm appliances and eBUS controls
• Glow-worm 2 year Guarantee
• 25 Year Warranty on cylinder shell. (Subject to water
quality, correct installation and annual servicing).
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Specications
Betacom2 specications - Combi
Easicom 24 28
Size
Casing dimensions (h w d)(mm) 740/418/338 740/418/338
Weight (li) 37kg 37kg
Performance
CH output (kW) Min/Max 7.7/18 8.8/23.3
DHW output (kW) Min/Max 8/24 9.3/28
DHW flow rate storage/combi (l/min. 35°C rise) 9.8 11.5
SEDBUK rating 2009 89.0 88.5
Nox class 5 (natural gas) Yes Yes
LPG Compatible Yes Yes
Construction
Main heat exchanger type Coiled tube Coiled tube
Heat exchanger material Stainless steel Stainless steel
Burner type Pre-mixed Pre-mixed
Fully modulating Yes Yes
DHW plate heat exchanger Yes Yes
Integrated hydrobloc Yes Yes
Installation
Suitable for sealed systems Yes Yes
Suitable for open-vent systems No No
Filling loop No No
Inbuilt automatic bypass Yes Yes
Inbuilt adjustable system bypass No No
Inbuilt condensate trap/siphon Trap Trap
Inbuilt boiler frost protection 2 stage 2 stage
Zero compartment ventilation Yes Yes
Product dimensions
Range A B C D E F F
Height Width Depth
Betacom
2
Beatcom2 24 (mm) 740 418 338 130 0
Betacom
Betacom
28 (mm) 740 418 338 130 0
2
2
C
D
A
E
F
B
Flue Outlet
position 1
Notes:
1 Flue is central to the boiler.
2 A removable compartment door can be placed at least
5mm in front of the appliance.
Flue outlet
position 2
Ø60/100
Flue
diameter
1
1
100 125
100 125
Product clearances
Ø80/125
Flue
diameter
Clearances
Top (mm) (from top of boiler) 150 150
Side (mm) 0 0
Bottom (mm) 200 200
Front (mm)
User Interface
User display 2 digit LCD 2 digit LCD
Diagnostics Advanced Advanced
User adjustable CH temp control Yes Yes
User adjustable DHW temp control Yes Yes
Eco setting on DHW No No
Pre-tted analogue timer Yes Yes
Pipes
Pre-xing jig No No
Optional spacing frame No No
Water connections 2x22/2x15mm 2x22/2x15mm
Flues
Max horizontal ØØ60/100 6m 6m
Max vertical Ø60/100 6m 6m
Max horizontal Ø80/125 10m 10m
Max vertical Ø80/125 10m 10m
Optional plume management kit
Ø60/100
2
600 600
Yes Yes
Range A B C D E F G
Top flue Top Side Bottom Flue#1 Flue#2 Front
Betacom
2
Beatcom2 24 (mm) 150 5 0 200 5 5 600
Beatcom2 28 (mm) 150 5 0 200 5 5 600
Betacom
2
A B
C
D
C
E
G
F
2
2
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H,I,J
H,I,J
H,I,J
A
D,E,F
H,I,J
Horizontal flueing options
,E
,E
Vertical flueing options
Horizontal flue lengths
The horizontal flueing information below applies to all Glow-worm High Eciency boilers.
Boiler Ø60/100 Max horizontal Ø80/125 Max horizontal
Betacom
Betacom2 28 6m 10m Yes
24 6m 10m Yes
2
Compatible with Plume
Management Kit
Top rear and top side horizontal flue options
A
C
A
D,E,F
C
D,E,F
D,E,F
C
A
H,I,J
G
H,I,J
1
1
D,E,F
Vertical flue lengths
The vertical flueing information below applies to all Glow-worm High Eciency boilers.
Boiler Ø60/100 Max vertical Ø80/125 Max vertical
Betacom
Betacom2 28 6m 10m Yes
Notes:
1 The overall maximum flue length
must not be exceeded.
Vertical flue options
C
24 6m 10m Yes
2
G,M
G,M
Compatible with Plume
Management Kit
1
1
Notes:
1 The overall maximum flue length
must not be exceeded.
G,M
A
G
C,D,E
C,D,E
B
C,D
C,D,E
C,D
F
B
A
F
F
A
D,E,F
C
Notes:
i Horizontal sections must have a continuous fall of at least 2.5° (44mm/metre) back to the boiler.
Horizontal flue accessories
Component Description
A Horizontal Telescopic flue A2043600 0020104551
B 45° Bend (2 o) 2000460485 0020104557
C 90° Bend (1 o) 2000460484 0020104556
D 0.5m Extension (1 o) 2000460481 0020104553
E 1m Extension (1 o) 2000460482 0020104554
F 2m Extension (1 o) 2000460483 0020104555
G Vertical Flue Adaptor A2024600 0020104550
H Deflector Terminal (Black) 0020060582 -
I Deflector Terminal (White) 0020060583 -
J Black Terminal A2043700 -
Part Number
Ø60/100
D,E,F
Part Number
Ø80/125
A H L
F
Vertical flue accessories
Component Description
A
E
D
C
B
G
F
I
J
H
A 45° Bend (2 o) 2000460485 0020104557
B 90° Bend (1 o) 2000460484 0020104556
C 0.5m Extension (1 o) 2000460481 0020104553
D 1m Extension (1 o) 2000460482 0020104554
E 2m Extension (1 o) 2000460483 0020104555
F Vertical Flue Adaptor A2024600 0020104550
G Vertical Roof Terminal 2000460480 0020104552
H Pitched Roof Flashing 2000460479 -
I Flat Roof Flashing 2000460478 -
J Sliding Sleeve 2000460487 0020104558
K Fixing Bracket (5 o) 2000460486 0020104559
L Telescopic Extension A2036900 -
M Ridge Tile Terminal A2043800 -
Part Number
Ø60/100
Part Number
Ø80/125
B
C,D,E
G
I
J
M
K
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Top-class serviceExpert support from start to nish
As well as providing durable, reliable products,
Glow-worm supports you from the beginning of your
installation for years into the future. From design,
technical help, extensive training courses and specialist
onsite support to a nationwide a er sales and spares
network, Glow-worm provide you with expert help and
support whenever you need it.
Technical help
If you are planning or even in the middle of an installation
and have a technical question you need answering, simply
call our technical help line for a straightforward answer.
System design
Glow-worm’s award winning Design Service is a complete
service tailored to suit your individual site requirements.
From basic heating designs to more complex solutions
using the latest renewables technologies, Glow-worm
design uses state of the art CAD technology to provide
high quality designs supported by full indemnity cover.
Full local support
Our nationwide sales team provide installers and
speci ers with support and partnership from beginning
to end.
Nationwide a er sales service
We are committed to supporting you with technical help
and a er sales service online, over the telephone and on
the road.
All our service engineers are Gas Safe registered and are
fully trained on all Glow-worm’s models past and present.
We have around 250 engineers based across the UK,
each carrying over 1,500 di erent spare parts in their van
enabling them to achieve an outstanding 97% rst time
x rate.
Product warranty
All Glow-worm products are designed to exacting
industry standards, and are individually tested to ensure
reliability. All Glow-worm Betacom, Flexicom, Ultracom
and Ultrapower boilers come with a 2 years parts and
labour warranty as standard.
Extended warranty options are available on Flexicom,
Ultracom and Ultrapower boilers. Free 5 year warranties
are available to Glow-worm Club Energy installers
(www.glow-wormclubenergy.co.uk)
Spares
If in the unlikely event a problem occurs and a spare
part is needed, then you can rest assured that
Glow-worm’s market leading spare parts division will have
the item you require. Thanks to our commitment towards
maintaining functional spare parts, availability is for up to
15 years a er the range production ends.
Glow-worm has a nationwide network of over 30 key
spares stockists at approximately 450 locations around
the UK which means getting hold of a genuine Glow-worm
spare part is as convenient as possible. If for any reason
the items are not held by the stockist, Glow-worm o ers a
next day delivery service for emergency orders.
Online information
If you want standard technical advice information such as
installation manuals and flueing information and don’t
want to spend time on the telephone, visit our website at
www.glow-worm.co.uk where you will nd comprehensive
technical information, solutions to common installation,
system problems and advice on saving energy.
Always within reach,
always there for you
Head O ce:
01773 824639
Literature:
01773 596105
A er Sales Service
01773 828100
Technical Advice:
01773 828300
(Boilers)
08447 361 143
(Renewables)
Glow-worm design:
0116 2392393
Spare Parts:
01773 596188
1514
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