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Instructions for Use
Ultimate 24h
G.C. No. 41-019-15
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1 Read me ..................................................................................................... 4
1.1 Welcome ........................................................................................... 4
1.2 Document Pack ................................................................................ 4
1.3 Servicing ........................................................................................... 4
1.4 Benchmark ....................................................................................... 5
1.5 Quick reference guide ...................................................................... 5
2 Introducing your appliance ......................................................................... 6
2.1 Appliance description ....................................................................... 6
2.2 Accessories ...................................................................................... 6
3 Product documentation .............................................................................. 6
3.1 Document storage ............................................................................ 6
3.2 Explanation of symbols..................................................................... 6
4 Safety ......................................................................................................... 7
4.1 What to do if you smell gas? ............................................................ 7
4.2 Safety recommendations .................................................................. 7
4.3 Safety regulations ............................................................................. 7
5 Guarantee / Responsibility ......................................................................... 9
5.1 Detailed guarantee .......................................................................... 9
5.2 Appliance use / manufacturer responsibility ..................................... 9
6 Recycling .................................................................................................. 10
6.1 Appliance ........................................................................................ 10
6.2 Packaging ....................................................................................... 10
7 Clearances ............................................................................................... 10
HOW TO USE YOUR APPLIANCE
8 Overview .................................................................................................. 11
8.1 Display Description ..........................................................................11
8.2 Switching On and Off .......................................................................11
8.3 User Controls ................................................................................. 12
TABLE OF CONTENTS
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ANY ASSISTANCE?
9 Fault Finding............................................................................................. 13
9.1 Electrical Supply Failure ................................................................. 13
9.2 Appliance fails to light ..................................................................... 13
10 Appliance safety devices .......................................................................... 14
10.1 Boiler Shutdown ............................................................................. 14
10.2 Protecting against frost ................................................................... 14
10.3 Condensate Drain Blockage ........................................................... 14
10.4 Safety Discharge Valve .................................................................. 14
11 Appliance maintenance and servicing ...................................................... 15
11.1 Cleaning ......................................................................................... 15
11.2 Regular servicing ............................................................................ 15
11.3 Sealed Water Systems ................................................................... 15
11.4 Spare Parts..................................................................................... 15
12 Tips for saving energy .............................................................................. 16
13 Contact your after-sales organisation....................................................... 16
TABLE OF CONTENTS
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READ CAREFULLY BEFORE USING
1 Read me
1.1 Welcome
These instructions are an integral part
of the boiler and must, to comply with
the current issue of the Gas Safety
(Installation and Use) Regulations, be left
with the user.
Ensure that the installer has fully
completed the Benchmark Checklist
located 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).
All installations must be notifi ed to Local
Area Building Control either directly or
through a Competent Persons Scheme.
A Building Regulations Compliance
Certifi cate will then be issued to the
customer who should, on receipt, write the
Notifi cation Number on the Benchmark
Checklist.
Read these instructions and follow them
carefully for the safe and economical use
of your boiler.
Do not forget to read the
chapters “Safety” and
“Guarantee” where you will fi nd
important information for your
safety.
1.2 Document Pack
The pack contains the guarantee,
complete and return as soon as possible.
If your guarantee registration card is
missing you can obtain a copy or record
your registration by telephoning
the Glow-worm Customer Service number
0800 073 2142.
1.3 Servicing
This product should be serviced regularly
to optimise its safety, effi ciency and
performance. The service engineer should
complete the relevant Service Record
on the Benchmark Checklist after each
service. The Benchmark Checklist may
be required in the event of any warranty
work and as supporting documentation
relating to home improvements in the
optional documents section of the Home
Information Pack.
To ensure the continued effi cient and safe
operation of the boiler it is recommended
that it is checked and serviced at regular
intervals. The frequency of servicing will
depend upon the site conditions and
usage, but in general, once a year should
be enough.
To obtain service, call your installer or
Glow-worm’s own service organisation
using the telephone number on the inside
back cover of this booklet.
1.4 Benchmark
Glow-worm is a licensed member of
the Benchmark Scheme which aims to
improve the standards of installation
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and commissioning of domestic heating
and hot water systems in the UK and to
encourage regular servicing to optimise
safety, effi ciency and performance.
Benchmark is managed and promoted
by the Heating and Hotwater Industry
Council.
We designed this Quick reference guide
so that you can start using your appliance
right away.
This Quick reference guide assumes that
the appliance has been installed and
commissioned by a competent person.
• For more information visit
www.centralheating.co.uk
1.5 Quick reference guide
MODE
MODE
Open vent: Sealed system:
Open vent: Sealed system:
bar
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2 Introducing your appliance
2.1 Appliance description
The Ultimate h boiler is designed to
provide central heating from a fully
pumped open vented or sealed water
system with an indirect cylinder.
Once the controls are set, the boiler
operates automatically.
Intelligent controls are available as
accessories from Glow-worm.
Contact your Installer or Glow-worm sales
for further information.
The Ultimate h boiler is an appliance
that uses condensing technology, which
recovers heat from the fl ue gases, this
operating principle, consumes less energy
and contributes to the reduction of your
household CO2 emissions.
This appliance is a room-sealed type
equipped with a fl ue system for air supply
and the removal of combustion products.
This fl ue system offers the possibility to
install the appliance in any room without
the need for additional ventilation.
Installation and commissioning of the
appliance should only be carried out by a
competent person. They are responsible
for the installation and the commissioning
in accordance with standards in force.
You should also consult a competent
person for maintenance and repair of the
appliance as well as for any adjustment
necessary.
2.2 Accessories
The Ultimate h is compatible with most
makes of 230V programmable room
thermostats.
For increased system compatibility and
increased energy saving with intelligent
control Glow-worm offer a range of
controls dedicated to work using a unique
communication system - eBus (low
voltage).
For further details contact your installer.
3 Product documentation
3.1 Document storage
• Make sure that this manual is stored
close to your appliance for future
reference. Should you move home
ensure that this manual is handed over
to the new home owners.
• Read these instructions and follow
them carefully for the safe and effi cient
use of your appliance.
No responsibility or liability can be
accepted for damages caused by failure to
follow the instructions in this manual.
3.2 Explanation of symbols
DANGER: Risk of injuries.
ATTENTION: Risk of damage
to the appliance or to its
surroundings.
IMPORTANT INFORMATION
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4 Safety
4.1 What to do if you smell gas?
- isolate your gas supply at the gas
emergency control valve.
- Eliminate all sources of ignition, i.e.
smoking, blowlamps, hot air guns etc.
- do not operate electrical lights or
switches, either on or off. Open all
doors and windows, ventilate the area.
- open immediately windows and doors
in order to ventilate the property.
- do not search for gas leaks with a
naked fl ame.
- call your gas supplier’s emergency
phone number.
- alert other building occupants.
4.2 Safety recommendations
You must comply with the following
recommendations and safety instructions:
• Never perform any maintenance or
repair of the appliance yourself.
Only competent persons are allowed to
work on the appliance.
• Never tamper with safety devices.
• Do not attempt to modify the appliance
or its immediate surroundings as this
may affect on the safe use of the
appliance.
• Under no circumstances must the user
interfere with or adjust sealed parts.
• Do not allow children to operate the
appliance.
• Do not obstruct the fl ue system
Certain home improvements may
adversely affect the operation of your
appliance – you should consult your
installer for advice before carrying out any
work.
• Do not expose the appliance to high
humidity.
• Do not use or store explosive or
infl ammable materials (e.g. petrol,
aerosols, solvents, chlorine based
detergents, paint, glue etc.) in the same
room, compartment or cupboard as the
appliance. Under certain conditions,
these substances can prove to be
corrosive.
• Do not touch the heated surfaces of
the appliance, such as outlet duct,
hydraulic connections, also after the
appliance operation because, for
a certain time, these surfaces may
become hot. Any contact with them can
cause burns.
This appliance contains metal parts
(components) and care should be
taken when handling and cleaning, with
particular regard to edges.
• In the case of any water leak,
immediately turn off the cold water
supply to the appliance and have
the leak repaired by your competent
person.
• Do not store or place articles on the
appliance.
4.3 Safety regulations
Servicing/maintenance should be carried
out by a competent person approved
at the time by the Health and Safety
Executive, in accordance with the rules in
force in the countries of destination.
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If this boiler is installed in a rented property
in the UK there is a duty of care imposed
on the owner of the property by the current
issue of the Gas Safety (Installation and
Use) Regulations, Section 35.
Gas Safety (Installation and Use)
Regulations
In your own interests and that of safety, it
is the Law that ALL gas appliances have
been installed by a competent person
approved at the time by the Health and
Safety Executive, in accordance with the
current issue of these regulations.
Gas Category
This boiler is for use only on G20 natural
gas.
Electrical Connection
The boiler MUST be earthed.
The boiler MUST be connected to a
permanent 230V ac, 50Hz supply, fused
at 3A.
Connection of the whole electrical system
of the boiler, including any heating
controls, to the electrical supply must be
through one common isolator.
The colours of three core fl exible cable
are, blue - neutral, brown - live, green and
yellow - earth.
Testing and Certifi cation
This boiler is certifi cated to the current
issue of EN 483 for performance and
safety.
It is important that no alteration is made to
the boiler unless approved, in writing, by
Glow-worm.
Any alteration not approved by
Glow-worm, could invalidate the
certifi cation, boiler warranty and may also
infringe the current issue of the statutory
requirements.
CE Mark
This boiler meets the requirements
of Statutory Instrument, No.3083 of
the Boiler (Effi ciency Regulations,
and therefore is deemed to meet the
requirements of Directive 92/42/EEC
on the effi ciency requirements for new
hot water boilers fi re with liquid or gaseous
fuels.
Type test for purposes of Regulation 5
certifi ed by: Notifi ed body 0087.
Product/production certifi ed by: Notifi ed
body 0086.
The CE mark on this appliance shows
compliance with:
- Directive 2009/142/EC on the
approximation of the laws of the Member
States relating to appliances burning
gaseous fuels.
- Directive 2006/95/EC on the
harmonisation of the Laws ofthe Member
States relating to electrical equipment
designed for use within certain voltage
limits
- Directive 2004/108/EC on the
approximation of the Laws of the Member
States relating to electromagnetic
compatibility.
The CE mark shows that this
appliance has been designed
according to the safety
techniques and rules in force.
The compliance of this
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5 Guarantee / Responsibility
5.1 Detailed guarantee
Thank you for installing a new Glow-worm
appliance in your home.
Glow-worm appliances are manufactured
to the very highest standard so we
are pleased to offer our customers a
Comprehensive 5 years Guarantee.
5.2 Appliance use / manufacturer
responsibility
Servicing/maintenance should be carried
out by a competent person approved
at the time by the Health and Safety
Executive, in accordance with the rules in
force in the countries of destination.
The guarantee is applicable on the
condition that:
- The appliance is installed by a
competent person in accordance with
installation instructions.
- The appliance is used for normal
domestic purposes and in accordance
with the manufacturer’s operating and
maintenance instructions.
- The appliance is serviced, maintained,
by a competent person.
- The repair or replacement of parts
during the guarantee period does not
have the effect of extending the period.
The manufacturer has no responsibility
whatsoever for any damage resulting
from:
- Any defects or damage resulting
from incorrect or poor installation,
inadequate servicing, or maladjustment
of the gas or water used.
- Any defects caused by inadequate frost
protection.
- Any deterioration or maladjustment
following changes in the nature or
pressure of the gas or the water used,
or a change in the characteristics of the
electrical supply voltage.
• For further details, refer to your Terms
and Conditions.
This appliance is intended
to be installed only within
the designated countries
displayed on the type plate.
• It is the responsibility of parents,
guardians and carers, that the
appliance is protected away from
persons under their care.
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6 Recycling
This appliance contains many recyclable
parts and should be disposed of according
to the current WEEE regulations. The
packaging should also be disposed of
according to the current regulations.
6.1 Appliance
The appliance must be recycled in
compliance with the WEEE (Waste
Electrical and Electrical Equipment)
directive which, in particular, requires:
- selective collection of waste electrical
and electronic equipment,
- the systematic selective processing of
certain components and substances
deemed dangerous,
- reuse, recycling and energy recovery of
collected WEEE’s.
This symbol indicates that
this appliance must not be
disposed of with household
waste, that it should be
selectively collected for
energy recovery, reuse or
recycling.
• Take the appliance to an appropriate
collection point for processing, energy
recovery and recycling of waste
Electronic and Electrical Equipment.
By complying with this
directive, you will contribute
to the preservation of natural
resources and the protection of
human health.
6.2 Packaging
The competent person who installed the
appliance must:
- sort the waste so as to separate those
which can be recycled (cardboard,
plastics...) from those that cannot.
- dispose of the waste in compliance with
regulations in force.
7 Clearances
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HOW TO USE YOUR APPLIANCE
HOW TO USE YOUR APPLIANCE
8 Overview
8.1 Display Description
The User Control panel consists of three
push buttons, a reset button and display,
which will indicate with symbols the status
of the boiler.
8.2 Switching On and Off
Switching on
- Check that the gas service isolating
valve on the appliance is open.
- The appliance has electrical power and
MODE
MODE
Open vent: Sealed system:
Open vent: Sealed system:
bar
bar
(shown open)
Do not operate the boiler
without water.
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HOW TO USE YOUR APPLIANCE
selected operation and controls, display
the temperature settings.
Switching off CH mode
• Press the "-" selector button to turn
OFF the Central Heating.
All the appliance functions will be switched
off, except frost protection.
Switching off
- Switch off the electrical supply.
- The appliance and the display will shut
down.
If you intend to leave
your property empty for a
prolonged period, refer to
the Appliance Safety Devices
section.
8.3 User Controls
If you are in any doubt about
the boiler being fi lled with
water contact your installer
or Glow-worm's own service
organisation using the
telephone number shown in
the chapter " Contact your
after-sales organisation".
• Press "MODE" button and hold for
2 seconds to enter Central Heating
function.
• Central heating function is indicated by
a fl ashing
.
• After 5 seconds of inactivity the
display will reset to indicate the water
temperature.
• To select the Central Heating
temperature (38 - 82
o
C) press the "+ or
-" selector buttons.
• The boiler will operate automatically.
• NOTE: The display will indicate the
Heating system water temperature or a
fault code (see section Fault Finding).
• The control panel will fl ash and display
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ANY ASSISTANCE ?
ANY ASSISTANCE?
9 Fault Finding
In this section fault codes that are
displayed, which CAN be carried out by
the USER to restore appliance operation
(Corrective action: ...). Other fault codes
MUST be solved by a competent person
only.
Like all condensing boilers
it will produce a plume of
condensation from the fl ue
terminal in cool weather.
This is due to the high
effi ciency and hence low fl ue
gas temperature of the boiler.
It is normal and not a fault
indication.
If any fault persists, and your appliance still
does not work, leave it switched off and
contact your competent person.
9.1 Electrical Supply Failure
The boiler will not work without an
electrical supply and normal operation
of the boiler should resume when the
electrical supply is restored.
If the boiler does not resume normal
operation, check the external controls.
It may be necessary to restart your
appliance.
• To restart the boiler, press the reset
button, see chapter "How to use your
appliance ► Overview".
9.2 Appliance fails to light
The LCD will display a fl ashing 'F' and
code number,
• To restart the boiler, press the reset
button, see chapter "How to use your
appliance ► Overview".
CODE DESCRIPTION POSSIBLE CAUSES
F1 Boiler has attempted to
light 5 times and failed on
all occassions
Press the reset button.
If the fault persists, contact your Installation/Servicing
company or Glow-worm
F5 Overheat Boiler has overheated - allow to cool then press reset button
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10 Appliance safety devices
10.1 Boiler Shutdown
The boiler software is designed to
recognise the potential for an overheat
lockout and will shutdown before this
happens.
• To restart the boiler, press the reset
button, see chapter "How to use your
appliance ► Overview".
If the boiler fails to resume normal
operation and all external controls are
calling for heat, then call your Installation/
Servicing company or Glow-worm service.
10.2 Protecting against frost
Appliance Protecion
In case of the risk of frost:
• Make sure that the electrical and gas
supply to the appliance is turned on.
• For an absence of several days, you
can leave the appliance to run normally.
The appliance has a built in frost
protection device that protects the boiler
from freezing. With the gas and electric
supplies ON and irrespective of any room
thermostat setting, the frost protection
device will operate the pump when the
temperature of the boiler water falls
below 8OC. A timer is used so that the
temperature can be checked periodically.
After 10 minutes the pump will be stopped
if the temperature is higher than 10
O
C or
has already reached 35
O
C. The burner
will activate if the boiler temperature
does not reach 10
O
C after 30 minutes or
at any time if the temperature drops to
5
O
C. The burner will switch off when the
temperature reaches 35
O
C.
The appliance always has frost protection
System Protection
The boiler alone cannot ensure that the
installation is protected against frost.
NOTE: Any other exposed areas of the
system should be protected by a separate
frost thermostat.
In case of prolonged absence, where
power to the dwelling and the boiler is
switched off, contact your Installation/
Servicing company or Glow-worm Service
to have the installation drained or to have
the heating circuit protected by adding an
anti-freeze specially designed for heating
systems.
CAUTION: Your domestic
water circuit (hot and cold) is
not protected by the boiler.
10.3 Condensate Drain Blockage
As a safety feature the boiler will stop
working if the condensate drain becomes
blocked. During freezing conditions this
may be due to the forming of ice in the
condense drain external to the house.
• Release an ice blockage by the use of
warm cloths on the pipe.
The boiler should then restart.
• Contact your Installation/Servicing
company or Glow-worm service if the
fault persists.
10.4 Safety Discharge Valve
The safety discharge valve and discharge
pipe is fi tted to the boiler.
• If there is any discharge from the pipe,
switch off the boiler electrical supply,
then call your Installation/Servicing
company or Glow-worm service.
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11 Appliance maintenance and
servicing
11.1 Cleaning
Before cleaning turn the
appliance off.
The appliance casing can be cleaned
using a mild liquid detergent with a damp
cloth, then a dry cloth to polish.
Do not use any form of
abrasive or solvent cleaner
as you may damage the
paintwork.
11.2 Regular servicing
Regular servicing of the appliance is
important to the prolonged, safe and
effi cient use of your appliance.
Incorrect or inadequate
servicing can severely affect
the safety of the appliance
and can lead to injury.
We recommend that your appliance is
serviced every year.
• Only use a competent person.
The service engineer should complete
the relevant Service Record on the
Benchmark Checklist after each service.
The Benchmark Checklist may be
required in the event of any warranty
work and as supporting documentation
relating to home improvements in the
optional documents section of the Home
Information Pack.
To obtain service, call your installer or
Glow-worm’s own service organisation
using the telephone number on the inside
11.3 Sealed Water Systems
The draining, refi lling and pressurising
MUST be carried out by a competent
person approved at the time by the Health
and Safety Executive.
• Contact Glow-worm’s own service
organisation using the telephone
number below.
Tel: 01773 828100
11.4 Spare Parts
In order to guarantee the safe and
prolonged life of the product, insist that
only the manufacturer’s genuine spare
parts are used.
• Do not use reconditioned or copy parts
that have not been clearly authorised
by Glow-worm.
• If replacement parts are required
contact Glow-worm’s own service
organisation for advice using the
telephone number below.
Tel: 01773 828100
or for approved stockist, visit www.glowworm.co.uk.
Quote the name and model of the boiler.
The name and model badge is on the front
case.
• If in doubt seek advice from the
local gas company or Glow-worm’s
own service organisation using the
telephone number below.
Tel: 01773 828100
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ANY ASSISTANCE ?
12 Tips for saving energy
Your installer will be able to give energy
saving advice about your system and its
controls.
For energy saving advice you can contact
the Energy Savings Trust for advice or
visit www.energysaving trust.org.uk who
offer simple effective advice about saving
energy.
Regular servicing of your boiler will help
maintain its effi ciency - servicing once a
year is recommended
Turn your thermostat down. Reducing
your room temperature by 1°C could cut
your heating bills by up to 10 percent. Set
your heating and hot water at the time
controller to come on only when required
rather than all the time.
13 Contact your after-sales
organisation
Customer service call
Tel: 01773 828100
Technical helpline
Tel: 01773 828300
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GLOW-WORM
Nottingham Road,
Because of our constant endeavour for
Subject to engineering changes0020167194_02 - 03/13
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