Page 1
The energy you need
Operating instructions
Ultimate 3
30c
35c
GB, IE
Page 2
Contents
Contents
1 Safety ............................................ 3
1.1 Action-related warnings ................. 3
1.2 Intended use .................................. 3
1.3 General safety information............. 4
2 Notes on the documentation ...... 6
2.1 Observing other applicable
documents ..................................... 6
2.2 Storing documents......................... 6
2.3 Applicability of the instructions....... 6
3 Product description..................... 7
3.1 CE label ......................................... 7
3.2 Benchmark .................................... 7
3.3 Serial number ................................ 7
3.4 Information on the identification
plate ............................................... 7
3.5 Overview of the operator control
elements ........................................ 8
3.6 Description of the display............... 8
3.7 Description of button functions ...... 8
3.8 Timer.............................................. 9
3.9 Operating levels............................. 9
4 Operation...................................... 9
4.1 Starting up the product .................. 9
4.2 Basic display.................................. 9
4.3 Checking the heating system
pressure......................................... 9
4.4 Filling the heating installation....... 10
4.5 Selecting the operating mode...... 10
4.6 Setting the hot water
temperature ................................. 10
4.7 Setting the heating flow
temperature ................................. 11
4.8 Product settings ........................... 11
4.9 Setting the timer........................... 11
4.10 Switching the product to
standby mode .............................. 12
4.11 Frost protection............................ 12
5 Troubleshooting ........................ 12
5.1 Detecting and rectifying faults...... 12
5.2 Fault codes in the display ............ 13
6 Care and maintenance .............. 13
6.1 Maintenance ................................ 13
6.2 Caring for the product .................. 13
6.3 Checking the condensate drain
pipework and tundish................... 13
7 Decommissioning...................... 13
7.1 Temporarily decommissioning
the product................................... 13
7.2 Permanently decommissioning
the product................................... 13
8 Recycling and disposal............. 13
9 Guarantee and customer
service ........................................ 14
9.1 Guarantee.................................... 14
9.2 Customer service......................... 14
Appendix ............................................... 15
A Operator level – overview ......... 15
B Troubleshooting ........................ 15
2 Operating instructions Ultimate 3 0020239565_01
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Safety 1
1 Safety
1.1 Action-related warnings Classification of action-re-
lated warnings
The action-related warnings
are classified in accordance
with the severity of the possible danger using the following
warning signs and signal words:
Warning symbols and signal
words
Danger!
Imminent danger to life
or risk of severe personal
injury
Danger!
Risk of death from electric
shock
Warning.
Risk of minor personal
injury
Caution.
Risk of material or environmental damage
1.2 Intended use
There is a risk of injury or death
to the user or others, or of damage to the product and other
property in the event of improper use or use for which it
is not intended.
The product is intended as a
heat generator for closed cent-
ral heating installations and for
hot water generation.
Intended use includes the following:
– observance of the operating
instructions included for the
product and any other system
components
– compliance with all inspection
and maintenance conditions
listed in the instructions.
This product can be used by
children aged from 8 years
and above and persons with
reduced physical, sensory or
mental capabilities or lack of
experience and knowledge if
they have been given supervision or instruction concerning
use of the product in a safe way
and understand the hazards involved. Children must not play
with the product. Cleaning and
user maintenance work must
not be carried out by children
unless they are supervised.
Any other use that is not specified in these instructions, or
use beyond that specified in this
document shall be considered
improper use. Any direct commercial or industrial use is also
deemed to be improper.
Caution.
Improper use of any kind is
prohibited.
0020239565_01 Ultimate 3 Operating instructions
3
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1 Safety
1.3 General safety information
1.3.1 Installation by skilled
tradesmen only
The installation, inspection,
maintenance and repair of the
product, as well as the gas ratio
settings, must only be carried
out by a competent person.
1.3.2 Danger caused by
improper operation
Improper operation may present
a danger to you and others, and
cause material damage.
▶ Carefully read the enclosed
instructions and all other applicable documents, particularly the "Safety" section and
the warnings.
▶ Only carry out the activities
for which instructions are
provided in these operating
instructions.
1.3.3 Risk of death from
escaping gas
What to do if you smell gas in
the building:
▶ Avoid rooms that smell of
gas.
▶ If possible, open doors and
windows fully and ensure
adequate ventilation.
▶ Do not use naked flames (e.g.
lighters, matches).
▶ Do not smoke.
▶ Do not use any electrical
switches, mains plugs, doorbells, telephones or other
communication systems in
the building.
▶ If it is safe to do so, close the
emergency control valve or
the main isolator.
▶ If possible, close the gas isol-
ator cock on the product.
▶ Warn other occupants in the
building by yelling or banging
on doors or walls.
▶ Leave the building immedi-
ately and ensure that others
do not enter the building.
▶ Notify the gas supply com-
pany or the Emergency
Service Provider
+44 (0) 800 111999 by telephone once you are outside
of the building.
1.3.4 Risk of death due to a blocked or leaking flue gas pipe
What to do if you smell flue gas
in the property:
▶ Open all accessible doors
and windows fully to provide
ventilation.
▶ Switch off the product.
▶ Inform a competent person.
1.3.5 Risk of death from escaping flue gas
If you operate the product with
an empty condensate siphon,
4 Operating instructions Ultimate 3 0020239565_01
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Safety 1
flue gas may escape into the
room air.
▶ In order to operate the
product, ensure that the condensate siphon is always full.
1.3.6 Risk of death due to explosive and flammable materials
▶ Do not use or store explosive
or flammable materials (e.g.
petrol, paper, paint) in the installation room of the product.
1.3.7 Risk of death due to lack of safety devices
A lack of safety devices (e.g.
expansion relief valve, expansion vessel) can lead to potentially fatal scalding and other
injuries, e.g. due to explosions.
▶ Ask a competent person
to explain how the safety
devices work and where they
are located.
1.3.8 Risk of death due to changes to the product or the product environment
▶ Never remove, bridge or
block the safety devices.
▶ Do not tamper with any of the
safety devices.
▶ Do not damage or remove
any seals on components.
▶ Do not make any changes:
– The product itself
– to the gas, air, water and
electricity supplies
– to the entire flue gas install-
ation
– to the entire condensate
drain system
– to the expansion relief valve
– to the drain lines
– to constructional condi-
tions that may affect the
operational reliability of the
product
1.3.9 Risk of injury and material damage due to maintenance and repairs carried out incorrectly or not carried out at all
▶ Never attempt to carry out
maintenance work or repairs
on your product yourself.
▶ Faults and damage should
be immediately rectified by a
competent person.
▶ Adhere to the maintenance
intervals specified.
1.3.10 Risk of corrosion
damage due to
unsuitable combustion
and room air
Sprays, solvents, chlorinated
cleaning agents, paint, adhesives, ammonia compounds,
dust or similar substances may
0020239565_01 Ultimate 3 Operating instructions 5
Page 6
1 Safety
lead to corrosion on the product
and in the air/flue pipe.
▶ Ensure that the supply of
combustion air is always free
of fluorine, chlorine, sulphur,
dust, etc.
▶ Ensure that no chemical sub-
stances are stored at the installation site.
1.3.11 Risk of material damage caused by frost
▶ Ensure that the heating in-
stallation always remains in
operation during freezing conditions and that all rooms are
sufficiently heated.
▶
If you cannot ensure the operation, have a competent
person drain the heating installation.
2 Notes on the
documentation
2.1 Observing other applicable
documents
▶ You must observe all operating instruc-
tions enclosed with the system components.
2.2 Storing documents
▶ Keep this manual and all other applic-
able documents safe for future use.
2.3 Applicability of the
instructions
These instructions apply only to:
Product article number
Article number
ULTIMATE 3
30c
ULTIMATE 3
35c
These products are only designed for natural gas systems.
0010021404 47-019-55
0010021405 47-019-57
Gas Council
Number
6 Operating instructions Ultimate 3 0020239565_01
Page 7
Product description 3
1
2
3 Product description
3.1 CE label
The CE label shows that the products
comply with the basic requirements of the
applicable directives as stated on the identification plate.
The declaration of conformity can be
viewed at the manufacturer's site.
3.2 Benchmark
Glow-worm is a licensed member of the
Benchmark Scheme.
Benchmark places responsibilities on both
manufacturers and installers. The purpose
is to ensure that customers are provided
with the correct equipment for their needs,
that it is installed, commissioned and
serviced in accordance with the manufacturer’s instructions by a competent
person approved at the time by the Health
and Safety Executive and that it meets the
requirements of the appropriate Building
Regulations.
The Benchmark Checklist can be used to
demonstrate compliance with Building
Regulations and should be provided to the
customer for future reference. Installers are
required to carry out installation,
commissioning and servicing work in
accordance with the Benchmark Code of
Practice which is available from the Heating
and Hotwater Industry Council who manage
and promote the Scheme. Benchmark is
managed and promoted by the Heating and
Hotwater Industry Council
For more information visit www.benchmark.org.uk.
3.3 Serial number
The serial number is located on the identification plate (1) and in the short operating
instructions (2) (→ Page 7).
3.4 Information on the
identification plate
The identification plate is mounted on the
underside of the product in the factory.
The identification plate keeps record of
the country in which the product is to be
installed.
Information
on the identification plate
Serial number For quality control purposes;
Ultimate 3 Product description
XX, Gxx –
xx mbar
(x kPa)
Cat. Approved gas category
Condensing
technology
Meaning
Barcode with serial number
3rd and 4th digits = year of
production
For quality control purposes;
5th and 6th digits = week of
production
For identification purposes;
7th to 16th digits = product
article number
For quality control purposes;
17th to 20th digits = place of
manufacture
Gas group and gas connection pressure as set at the
factory
Efficiency of the boiler in
accordance with directive
92/42/EWG
0020239565_01 Ultimate 3 Operating instructions
7
Page 8
3 Product description
1
2
34
5
1
2
3
Information
on the identification plate
Type: Xx3(x) Approved flue gas connec-
PMS Maximum water pressure in
PMW Maximum water pressure in
V/Hz Electric connection
W Max. electrical power con-
IP Level of protection
Pn Nominal heat output range
Pnc Nominal heat output range
P Nominal heat output range
Qn Nominal heating load range
Qnw Nominal heating load range
T
max.
NOx NOx class for the product
Code (DSN) Specific product code
GC no. Gas council number
Meaning
tions
heating mode
hot water handling mode
sumption
Heating mode
Hot water generation
in heating mode
in heating mode (condensing
technology)
in hot water handling mode
in heating mode
in hot water handling mode
Max. flow temperature
3.5 Overview of the operator control elements
3.6 Description of the display
1 Operating in-
formation
2 Active operating
mode, selecting
and confirming
the operating
mode
3 Display showing
the current heating flow temperature, the filling
pressure in the
heating installation, the operating mode or a
fault code
3.7 Description of button functions
Button Meaning
– Selecting the operating mode
– Confirm the operating mode
– Confirm setting
– Increase the display contrast
– Setting the hot water temperat-
or
ure
– Setting the heating flow tem-
perature
– Increase or decrease the selec-
ted setting
– Increase the display contrast
– Activate the product: On/off
(standby)
– Reset the product
Adjustable values flash on the display.
You must confirm any change to a value.
Only then is the new setting saved.
If you do not press any buttons for five
1 Display
2
3
button
button
4
button
5
button
seconds, the displays switches back to
the basic display.
If you do not press any buttons for one
minute, the display contrast decreases.
8
Operating instructions Ultimate 3 0020239565_01
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Operation 4
12
3.8 Timer
You can control the heating mode using
the timer.
Position for
the selection
switch
0 Heating mode permanently
I Heating mode permanently
Functionality
switched off
Heating mode intervals in
accordance with the timer
switched on
▶ Set the timer. (→ Page 11)
3.9 Operating levels
The product has two operating levels:
– The operator level shows the most im-
portant information and offers set-up
options which do not require any special
prior knowledge.
– Specialised knowledge is required in or-
der to use the installer level (access for
competent persons). This is therefore
protected by an access code.
Operator level – overview (→ Page 15)
4 Operation
4.1 Starting up the product
4.1.1 Opening the isolator devices
Conditions: The competent person who installed
the unit will explain where the isolator devices are
and how to handle them.
▶ Ensure that the gas isolator cock is fully
open.
▶ Ensure that the stop cocks in the heat-
ing installation's flow and return are
open.
▶ Ensure that the cold water stop cock is
open.
4.1.2 Starting up the product
▶ Press the (2) button.
◁ When the unit is switched on, the
"Basic display" is shown in the
display (1).
4.2 Basic display
The filling pressure in the heating installation and the operating mode are shown in
the display's basic display.
To return to the basic display:
– Wait more than five seconds without
pressing any buttons.
If a fault message is present, the basic
display switches to the fault code.
4.3 Checking the heating system pressure
1. Once a month, check that the pressure
in the central heating system, which
is displayed on the user interface,
is between 0.1 MPa and 0.15 MPa
(1.0 bar and 1.5 bar).
◁ If the filling pressure is correct, no
action needs to be taken.
▽ If the filling pressure is too low, add
more water to the heating installation.
0020239565_01 Ultimate 3 Operating instructions 9
Page 10
4 Operation
Note
If the heating flow temperature
is shown in the display, press
and hold the and buttons
at the same time for longer than
five seconds, or temporarily
deactivate heating mode in
order to display the pressure.
2. Fill the heating installation. (→ Page 10)
4.4 Filling the heating installation
Caution.
Risk of material damage due
to heating water that is extremely calciferous or corrosive or contaminated by chemicals.
Unsuitable tap water damages
the seals and diaphragms,
blocks components in the
product and heating installation
through which the water flows
and causes noise.
▶ Only fill the heating install-
ation with suitable heating
water.
▶ In case of doubt, ask a com-
petent person for details.
Note
The competent person is responsible for filling the heating installation the first time, any subsequent
top-ups and the water quality.
The operator alone is responsible for topping up the water in the
heating installation.
2. Slowly open the filling cock, as shown
to you by the competent person.
3. Fill with water until the required filling
pressure is reached.
4. Check the filling pressure in the
display.
5. Close the filling cock after filling.
4.5 Selecting the operating mode
Note
The unit is always activated with
the preselected operating mode.
▶ Press repeatedly until the display
shows the required operating mode.
Symbol Operating mode
Heating + hot water
+
Heating only
Hot water only
‒ No requirement
4.6 Setting the hot water
temperature
Conditions: The temperature is controlled by the
boiler
▶ Set the hot water temperature on the
boiler (→ Page 11).
Conditions: The temperature is controlled by the
controller
▶ Set the hot water temperature on the
controller.
Note
If you press the or button,
the display shows the symbol.
1. Open all radiator valves (thermostatic
radiator valves) of the heating installation.
10 Operating instructions Ultimate 3 0020239565_01
Page 11
Operation 4
1
5
6
2
3
4
4.6.1 Switching the warm start function on and off
Applicability: Combination unit, Available warm
start function for hot water
▶ Hold the buttons down simultan-
eously for more than 3 seconds.
◁
If is shown in the display, the
warm start function is deactivated.
◁
If is not shown in the display,
the warm start function is activated.
Note
The preheating function is made
available by a suitably specialised installer.
4.7 Setting the heating flow temperature
Conditions: Temperature controlled by the boiler,
with heating mode activated
▶ Set the heating flow temperature on the
boiler (→ Page 11).
Note
The competent person may
have adjusted the maximum
possible temperature.
◁ The actual heating flow temperature
is set automatically by the boiler.
4.8 Product settings
Note
The sequence in which the available settings are shown depends
on the operating mode selected.
If the Domestic hot water + Heat-
ing operating mode is selected,
the hot water temperature must be
confirmed in order to set the flow
temperature of the heating.
1. Press the or button to set the temperature.
2. Press the button to confirm.
4.9 Setting the timer
Applicability: Timer, Great Britain
Conditions: Temperature controlled by the control-
ler, with heating mode activated
▶ Set the maximum heating flow temper-
ature on the boiler (→ Page 11).
▶ Set the room temperature on the con-
troller.
◁ The actual heating flow temperature
is set automatically by the controller.
Conditions: Outside temperature sensor connected
to the boiler, with heating mode activated
▶ When you press the , or but-
ton.
◁ The display shows the heating flow
temperature calculated by the boiler.
0020239565_01 Ultimate 3 Operating instructions 11
1. Turn the minute hand (4) clockwise
until the arrow (2) points to the current
time on the 24-hour dial (3).
2. Slide the pin for the time interval, in
which the heating mode should be
switched on, outwards (6).
3. Slide the pin for the time interval, in
which the heating mode should be
switched off, inwards (5).
4. Set the selection switch (1) to the midposition .
Page 12
5 Troubleshooting
4.10 Switching the product to standby mode
▶ Press the button for less than three
seconds.
◁ Once the requirement currently in
use has finished, the display will
show OFF and go out.
◁ The product is now in standby mode.
◁ The product's frost protection func-
tion is activated.
◁ The main power supply is not inter-
rupted. The product continues to be
supplied with power.
4.11 Frost protection
4.11.1 The product's frost
protection function
The frost protection function switches on
the boiler and the pump as soon as the
protection temperature in the heating circuit is reached.
– Protection temperature: 12 ℃
The pump stops once the minimum water temperature in the heating circuit is
reached.
– Minimum water temperature: 15 ℃
If the burner ignition temperature in the
heating circuit is reached, the burner
switch is switched on and continues
to operate until the burner anti-cycling
temperature is reached.
– Burner ignition temperature: 7 ℃
– Burner anti-cycling temperature: 35 ℃
The hot water circuit (cold and hot water)
is not protected by the boiler.
Frost protection for the system can only be
guaranteed by the boiler.
A controller is required to control the temperature of the system.
4.11.2 Frost protection for the system
Note
Ensure that the product's power
and gas supply are working correctly.
Conditions: If you are away from home for several
days, Without controller
▶ Switch the product to standby mode.
(→ Page 12)
Conditions: If you are away from home for several
days, With controller
▶ Program the number of days you will
be away in the controller to activate the
frost protection devices.
Conditions: If you are away from home for a prolonged period
▶ Contact a qualified competent person,
who can completely drain the system or
protect the heating circuit by adding a
special frost protection agent for heating
installations.
5 Troubleshooting
5.1 Detecting and rectifying faults
▶ If problems occur whilst operating the
product, you can carry out certain selfchecks with the aid of the table in the
appendix.
Troubleshooting (→ Page 15)
▶ If the product still does not function
without problems after the checks have
been carried out using the table, contact your competent person to rectify
the problem.
12 Operating instructions Ultimate 3 0020239565_01
Page 13
Care and maintenance 6
5.2 Fault codes in the display
Fault codes have priority over all other displays. If several faults occur at the same
time, the corresponding codes are displayed alternately for two seconds each.
▶ If your product displays a fault code
(F.xx), contact a competent person.
6 Care and maintenance
6.1 Maintenance
An annual inspection of the product carried
out by a competent person is a prerequisite for ensuring that the product is permanently ready and safe for operation, reliable,
and has a long working life.
6.2 Caring for the product
Caution.
Risk of material damage
caused by unsuitable cleaning agents.
▶ Do not use sprays, scouring
agents, detergents, solvents
or cleaning agents that contain chlorine.
▶ Clean the casing with a damp cloth and
a little solvent-free soap.
6.3 Checking the condensate drain pipework and tundish
The condensate drain pipework and tundish must always be penetrable.
▶ Regularly check the condensate drain
pipework and tundish for faults and,
particularly, for blockages.
You must not be able to see or feel any
obstructions in the condensate drain pipework and tundish.
▶ If you notice a fault, have it rectified by
a competent person.
7 Decommissioning
7.1 Temporarily decommissioning the product
▶ Temporarily decommission the product
only if there is no risk of frost.
▶ Switch off the product via the main
switch provided on-site.
◁ The display goes out.
▶ When decommissioning for an exten-
ded period (e.g. holiday), you should
also close the gas isolator cock and the
cold water stop cock.
7.2 Permanently decommissioning the product
▶ Have a competent person permanently
decommission the product.
8 Recycling and disposal
▶ The competent person who installed
your product is responsible for the disposal of the packaging.
If the product is identified with this
symbol:
▶ In this case, do not dispose of the
product with the household waste.
▶ Instead, hand in the product to a collec-
tion centre for old electrical or electronic
appliances.
If the product contains batteries that
are marked with this symbol, these batteries may contain substances that are
hazardous to human health and the environment.
▶ In this case, dispose of the batteries at
a collection point for batteries.
0020239565_01 Ultimate 3 Operating instructions 13
Page 14
9 Guarantee and customer service
9 Guarantee and customer
service
9.1 Guarantee
For information on the manufacturer's
guarantee, you can write to the contact
address that is provided on the back page.
9.2 Customer service
For contact details for our customer service department, you can write to the address that is provided on the back page, or
you can visit www.glow-worm.co.uk.
14 Operating instructions Ultimate 3 0020239565_01
Page 15
Appendix
A Operator level – overview
Appendix
Setting level Values Unit Increment, select Default set-
Min. Max.
Heating installation
Pressure in the heating installation
Heating flow temperature Current value ℃ 1 60
Hot water generation
Hot water temperature Current value ℃ 1 55
Eco hot water temperature Current value ℃ 1
Current value bar 0.1
1 1.5
10 Preset
in the
system
35 60
35 50
ting
B Troubleshooting
Fault Cause Measure
Product does not
start up:
– No hot water
– Heating does
not heat up
The gas isolator cock installed on-site
and/or the gas isolator cock on the
product is closed.
The cold water stop cock is closed. Open the cold water stop cock.
The power supply in the building is disconnected.
The product is switched off. Switch on the product (→ "Switch-
The heating flow temperature or hot
water temperature has been set too
low.
The system pressure is insufficient.
Low water pressure in the heating installation (fault code: F.22).
The system pressure is too high. Purge a radiator in order to re-
Open both gas isolator cocks.
Check the fuse in the building. The product automatically
switches on after the power
supply is restored.
ing on the product" section).
Set the heating flow temperature and hot water temperature (→
"Setting the heating flow temperature" section/→ "Setting the hot
water temperature" section).
Fill the heating installation (→
"Filling the heating installation"
section).
If the pressure drops frequently,
contact your competent person
about this.
duce the pressure in the heating
installation, or contact your competent person about this.
0020239565_01 Ultimate 3 Operating instructions 15
Page 16
Appendix
Fault Cause Measure
Product does not
start up:
– No hot water
– Heating does
not heat up
Hot water generation functioning
correctly; heating
does not start up.
There is air in the heating installation. Purging the radiators
If the problem occurs again: Inform the competent person
After three successive failed ignition
attempts, the system switches to fault
mode (fault code: F.28).
The external controller is not set correctly.
Press the button. The product
carries out a new ignition attempt.
If the ignition problem is not rectified after three fault clearance
attempts, contact a competent
person.
Set the external controller correctly (→ Controller operating instructions).
16 Operating instructions Ultimate 3 0020239565_01
Page 17
Page 18
Page 19
Page 20
The energy you need
Publisher/manufacturer
Glow-worm
Nottingham Road ‒ Belper ‒ Derbyshire DE56 1JT
Telephone 01773 824639 ‒ Technical helpline 0330 100 7679
After sales service 0330 100 3142
www.glow-worm.co.uk
0020239565_01
0020239565_01 ‒ 15.07.2019
supplier
© These instructions, or parts thereof, are protected by
copyright and may be reproduced or distributed only with the
manufacturer's written consent.
We reserve the right to make technical changes.
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