greenstar heatslave 12/18, 18/25, 25/32

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USER INSTRUCTIONS & CUSTOMER CARE GUIDE
FLOOR STANDING OIL FIRED CONDENSING COMBINATION
BOILER CONVENTIONAL FLUE & ROOM SEALED FLUE
GREENSTAR HEATSLAVE
12/18, 18/25, 25/32
FOR OPEN VENT AND SEALED CENTRAL HEATING SYSTEMS WITH
DOMESTIC MAINS FED HOT WATER
THE BOILER IS FOR USE WITH
KEROSENE (28 SECOND OIL) ONLY
UK
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CONTACT INFORMATION
USER INSTRUCTIONS &
CUSTOMER CARE GUIDE
WORCESTER, BOSCH:
PLEASE READ THESE
INSTRUCTIONS CAREFULLY BEFORE
OPERATING YOUR BOILER
THESE INSTRUCTIONS ARE
APPLICABLE TO THE WORCESTER,
BOSCH GROUP BOILER MODEL(S)
STATED ON THE FRONT COVER OF
THIS MANUAL ONLY AND MUST NOT
BE USED WITH ANY OTHER MAKE OR
MODEL OF BOILER.
THE INSTRUCTIONS APPLY IN
MAINLAND UK ONLY AND SHOULD
BE FOLLOWED EXCEPT FOR ANY
STATUTORY OBLIGATION.
IF YOU ARE IN ANY DOUBT CONTACT
THE WORCESTER, BOSCH GROUP
TECHNICAL SUPPORT.
THIS BOILER MUST BE INSTALLED BY
A OFTEC REGISTERED, COMPETENT
PERSON. FAILURE TO INSTALL
CORRECTLY COULD LEAD TO
PROSECUTION.
PLEASE LEAVE THIS GUIDE, THE
INSTALLATION INSTRUCTIONS AND
THE COMPLETED CHECKLIST WITH
THE USER.
NOTE: A CHECKLIST AND SERVICE
INTERVAL RECORD CAN BE FOUND
AT THE REAR OF THE INSTALLATION,
COMMISSIONING AND SERVICE
INSTRUCTIONS.
TECHNICAL:
0844 892 3366
SERVICE:
0844 892 3000
SERVICE (EIRE)
01494 0099
LITERATURE:
0844 892 9800
SALES:
01905 752640
WEBSITE:
worcester-bosch.co.uk
ABBREVIATIONS:
SEDBUK Seasonal Efficiency for Domestic
Boilers in the United Kingdom.
OFTEC
USER INSTRUCTIONS &
CUSTOMER CARE GUIDE
Oil Firing Technical Association for the
Petroleum Industry.
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INTRODUCTION
8 716 106 253f
CONTENTS
USING YOUR
BOILER
3
MAINTENANCE
MAINTAINING YOUR BOILER
SERVICING
10
11
GENERAL INFORMATION
VENTILATION INFORMATION
GENERAL NOTES
12
14
ENERGY SAVING
TIPS ON ENERGY SAVING
15
GUARANTEE
FAULT OR BREAKDOWN
YOUR GUARANTEE AND REGISTRATION
16
17
MAINTENANCE
4
4
4
5
5
6
7
8
9
GENERAL
INFORMATION
USING YOUR BOILER
CONTROLS
OPERATING THE BOILER
Switching the boiler on/off
Setting the heating temperature
Controlling central heating
Setting the hot water temperature
Frost protection
Pressure gauge
Filling loop
Fault conditions All models
Fault finding
2
ENERGY
SAVING
INTRODUCTION
SAFETY PRECAUTIONS
GUARANTEE
Dedicated to heating comfort
Thank you for purchasing a Greenstar oil fired condensing boiler from Worcester,
Bosch Group. The company prides itself on manufacturing boilers to the strictest
quality control standards throughout every stage of production.
Worcester, Bosch Group has led the field in innovative boiler design and
performance for more than 40 years. This heritage means all products are of
exceptional quality and proven reliability.
The condensing range in particular, is extremely energy efficient, converting more
of the fuel consumed into heat offering you economical running costs and value
for money. It sits in SEBUK band A, at the top of the energy rated boilers
available.
There is also the assurance of our no-nonsense parts and labour guarantee backed up by an optional servicing and maintenance contract to keep your boiler
operating at peak condition and efficiency.
To find out more about Worcester, Bosch Group, log onto
www.worcester-bosch.co.uk.
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CONTENTS
1
INTRODUCTION
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SAFETY PRECAUTIONS
OIL FUMES OR LEAKS FROM THE BOILER:
Extinguish any naked flames.
Open windows and doors.
Switch off the boiler electricity supply.
Isolate the fuel supply to the boiler.
Contact installer/service engineer.
IMPORTANT:
This boiler must only be operated by a responsible adult who has been instructed in,
understands and is aware of the boiler’s operating conditions and effects.
HEALTH & SAFETY:
The appliance contains no asbestos and no substances have been used in the construction
process that contravene the COSHH Regulations (Control of Substances Hazardous to Health
Regulations 1988). Where applicable, the CE mark indicates compliance with relative
EU Directives.
COMBUSTIBLE AND CORROSIVE MATERIALS:
Do not store or use any combustible materials (paper, thinners, paints etc.) inside or within the
vicinity of the boiler.
The combustion air must be kept clear of chemically aggressive substances which can corrode
the boiler and invalidate any warranty.
FITTING & MODIFICATIONS:
Fitting the boiler and any controls to the boiler may only be carried out by a competent
engineer in accordance with the relevant Installation Regulations.
Flue systems must not be modified in any way other than as described in the fitting instructions.
Any misuse or unauthorised modifications to the boiler, flue or associated components and
systems could invalidate the warranty. The manufacturer accepts no liability arising from any such
actions, excluding statutory rights.
This boiler is suitable for use with kerosene only, no other fuel may be used.
DO NOT OPERATE THE APPLIANCE WHEN:
The appliance, flue or system is incorrectly fitted, faulty or damaged.
The flue terminal outlet is obstructed or damaged.
There are fumes, fuel leaks or fuel smells from the fuel supply, appliance or internal flue system.
The system is empty, frozen or unpressurised (sealed systems).
The condensate pipe is blocked or restricted.
The appliance clearances are inadequate.
The air supply is restricted or vents damaged.
2
SAFETY PRECAUTIONS
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A
B
C
D
E
F
G
Hot water temperature control.
Central heating temperature control.
LOCK OUT indicator.
POWER ON indicator.
System pressure gauge.
Optional programmer (see instructions supplied with programmer for details).
Reset button - lock out (behind front panel)*
* The alternative reset is accessed by removing the top panel on the boiler and pressing the reset
button on the control box of the burner (see diagram below).
H Reset button - flue thermostat (behind front panel).
J Reset button - boiler (behind front panel).
K Holder for User Guide.
A
B
C
D
E
F
OFF
TIMED
ONCE
ON
OFF
TIMED
ONCE
ON
HOT WATER
bar
H
J
CENTRAL HEATING
ADVANCE SET ?
SELECT
G
USING YOUR
BOILER
CONTROLS
YES
ADVANCE
SELECT
K
Lockout reset button locations
All Models
Remove front panel (pull bottom of
panel out and lift to remove) to
access Burner Reset Button (G)
Thermostat Reset Buttons (H and
J) are common to all models.
*Alternative reset location
If the reset button under the control
panel does not reset the burner,
remove top panel to access
Alternative Burner Reset Button (L).
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CONTROLS
3
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OPERATING THE BOILER
SWITCHING THE BOILER ON/OFF:
To switch on the boiler; turn on the water, oil and electricity supply to the boiler.
Check the programmer/timer is correct and is set to ON.
USING YOUR
BOILER
Set the room thermostat to the desired setting.
Open and set thermostatic radiator valves as required.
Turn the boiler water temperature control to the required setting.
To switch off the boiler; turn the programmer/timer to OFF for heating and hot water.
If the boiler is left unused and exposed to freezing conditions; shut off all the mains supplies,
isolate the boiler and drain the system and boiler.
SETTING HEATING TEMPERATURE:
Turn the control clockwise to increase the water temperature to the radiators.
Turn the control anti-clockwise to reduce the water temperature to the radiators.
The minimum and maximum ranges of the heating control positions are approximately 55°C to 80°C.
CONTROLLING CENTRAL HEATING:
Set the programmer/timer to the correct time with the required ON/OFF periods.
Turn the room thermostat to the temperature required.
Set thermostatic radiator valves to the required temperature for each room.
4
OPERATING THE BOILER
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OPERATING THE BOILER
SETTING THE HOT WATER TEMPERATURE:
Turn the control clockwise to increase the water temperature.
Turn the control anti-clockwise to reduce the water temperature.
USING YOUR
BOILER
A high setting will give a higher hot water temperature and greater quantities of hot water.
WARNING: care should be taken when
washing your hands as the combination
of low water flow rate and high setting of
the hot water control thermostat can
result in very hot water at the tap.
FROST PROTECTION:
Frost thermostats can be wired into the boiler.
Frost protection should be fitted to the system where the system is most exposed and at risk
of freezing.
If there is no hot water or heating, check page 8 and 9 for fault condition guidance.
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OPERATING THE BOILER
5
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OPERATING THE BOILER
PRESSURE GAUGE:
USING YOUR
BOILER
The pressure gauge indicates the boiler/heating system water pressure and has two pointers:
Red (external) pointer is set manually to indicate the normal system pressure (1 to 1.5 bar for sealed
systems, 0 to 0.5 bar for open vent systems).
Grey (internal) pointer shows the actual system pressure (on sealed systems the pressure will rise
when the boiler/system heats up from cold). Please check with your installer what type of system
you have.
2
3
1
Sealed System pressure when
boiler is operating
4
0
bar
On sealed systems the red pointer should be set to the normal operating pressure (1 to 1.5 bar) and
the grey pointer will fluctuate around this pressure depending on whether the system is hot or cold. If a
sealed system pressure drops below 1 bar the system should be repressurised to between 1 and 1.5
bar using the filling link (refer to page 7).
Regularly check that the pressure is maintained. If there is a persistent drop in pressure which has to
be adjusted regularly, or the pressure rises to more than 2.5 bar, the cause must be investigated.
Contact your installer or maintenance engineer for advice.
On open vent systems the pressure gauge is not used and the grey needle will remain at the bottom of
its scale. If the pressure rises to more than 1 bar please contact your installer for advice.
6
OPERATING THE BOILER
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OPERATING THE BOILER
FILLING LINK: Sealed systems only
If the sealed system pressure within your system drops to below 0.5 bar (shown on the pressure
gauge) you will need to increase the pressure to ensure your boiler continues to run without
problems.
Your installer should have informed you where to find the filling system and instructed you in its use.
USING YOUR
BOILER
A filling link consists of two manually operated valves and a flexible pipe that allows water to be
added to the system when the valves are opened. This device must only be connected when topping
up the system and disconnected when not in use.
To increase the pressure follow these instructions:
1. A pressure gauge should be visible from the filling link.
2. Connect the flexible hose across the two valves, one leading from the boiler and the other from the
mains water supply. The connecting nuts need only to be hand tight.
3. Slowly open both valves ensuring that water does not leak from either end of the flexible hose.
4. You will hear water passing through the hose and valves and the grey needle on the pressure
gauge will rise.
5. When the needle rises to between 1 and 1.5 bar close both valves, the needle should now remain
at that pressure.
6. The hose should then be disconnected from at least one valve, a small amount of water will flow
from the hose, this is normal. If water continues to flow from the hose then the valve has not been
fully closed or is faulty. If it is faulty you will need to contact your installer to resolve the problem.
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OPERATING THE BOILER
7
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OPERATING THE BOILER
(1) NORMAL OPERATION:
FAULT CONDITIONS: ALL MODELS
The POWER ON and LOCK OUT lights can
indicate some basic fault conditions.
USING YOUR
BOILER
(1) POWER ON light on, LOCK OUT light off:
Normal operation
Mains power supply to boiler.
(2) POWER ON light on, LOCK OUT light on:
Boiler not firing
(2) BOTH LIGHTS ON:
Check the level in the oil tank.
Remove the front white panel on the
boiler (see 5 below) and press the
reset button (G). The boiler should fire.
If there is no response, wait two minutes
and press the reset button (G) again.
If LOCK OUT light stays on, do not attempt
further resets. Contact your service
engineer for advice.
H
G
H
(3) POWER ON LIGHT ON LOCKOUT LIGHT OFF:
(3) POWER ON light on, LOCK OUT light off:
Boiler not on - No heating/hot water
Check the programmer is set to ON and
roomstat is calling for heat.
Press reset buttons (H) and (J) both are
below the fascia, behind the front white
panel (see 5 below).
G
H
G
If the boiler remains off, contact your service
engineer for advice.
JJ
(4) POWER ON light off, LOCK OUT light off:
Boiler not on - No heating/hot water
(5) ACCESSING RESET BUTTONS:
Ensure there is power supply to the boiler.
If there is power supply to the boiler contact
your service engineer for advice.
(5) Accessing Reset Buttons:
To access the reset buttons pull the bottom
of the front white panel and lift to remove.
J
G
8
OPERATING THE BOILER
H
If button G does not reset the boiler, then
remove the top panel and press the
alternative burner reset button A.
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Problem
Cause
Remedy
Desired room temperature
is not reached
Thermostatic radiator
valve(s) set too low
Increase thermostatic
radiator valve setting(s)
Room thermostat set too
low
Increase room thermostat
setting
Temperature control for
CH flow on boiler set too
low
Increase CH flow
temperature control
setting
Air trapped in heating
system
Bleed radiators, if fitted to
a sealed system recharge
heating system
Desired room temperature
exceeded by large amount
Radiators are too hot
Turn down thermostatic
radiator valves / room stat
Temperature rises instead
of falling
Clock is incorrectly set
Check setting
No display or display unit
does not respond
Momentary power failure
Switch off boiler at master
switch, wait a few
seconds then switch on
again
Hot water temperature too
low
Hot water temperature set
too low
Check hot water
temperature control
setting
Hot water not in timed
period on the programmer
Check programmer
settings
Heatslave tank not up to
temperature
Allow time for Heatslave
tank to reach temperature
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FAULT FINDING
USING YOUR
BOILER
FAULT FINDING
9
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MAINTAINING YOUR BOILER
Your new boiler represents a long term investment in a reliable, high quality product.
In order to realise its maximum working life and to ensure it continues to operate at peak
efficiency and performance, it is essential that servicing and maintenance checks are performed at
least once a year by an OFTEC engineer or other suitably qualified person.
If you would like to know more about servicing options from Worcester, Bosch Group, please visit
worcester-bosch.co.uk. Please tick the appropriate box on your warranty registration card for
further details of the Worcester, Bosch Group Service Contract .
MAINTENANCE
When your boiler requires servicing please contact a Worcester, Bosch Group contact centre
(see inside front cover for details).
In addition to the service contract we are pleased to offer a one-off annual service or breakdown
call out for your boiler.
Maintenance tips:
Regularly check the oil level in the tank.
Regularly check the system pressure, ask your installer for guidance.
Do not obstruct the flue outlet or the air inlet.
USE IN HARD WATER AREAS:
In exceptionally hard water areas a device to prevent scale formation may be fitted. Installation of
a scale inhibitor assembly should be in accordance with the requirements of the local water
company. An isolating valve should be fitted to allow for servicing.
10
MAINTAINING YOUR BOILER
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SERVICING
SERVICING:
You must have the boiler regularly serviced by a competent, qualified OFTEC registered
engineer using approved spares, to help maintain the economy, safety and reliability of the
boiler.
The boiler should be serviced once each year after installation unless the installation
conditions and usage demand more frequent services.
IMPORTANT:-
Ensure that the service engineer completes the Service Record in
the checklist after each service.
NOTE:
The checklist and service interval record can be found at the rear of the
Installation, Commissioning and Servicing Instructions.
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SERVICING
MAINTENANCE
The completed checklist will be required in the event of any warranty work
and may be required by the local Building Control Inspector.
11
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VENTILATION INFORMATION
BOILER LOCATION:
**The boiler can be installed under a worktop as long as:
The worktop above the boiler is easily removable for maintenance.
There is at least 10mm clearance above the boiler.
The front of the boiler is not enclosed.
VENTILATION:
Air vents must be functional at all times and the air supply must not be restricted or contaminated.
The boiler clearances must meet the minimum shown below for servicing and venting purposes.
* If this clearance is less than 75mm the flue 'knock-out' panel sections must be removed to improve air
circulation and cooling.
GENERAL
INFORMATION
Do not place clothes or objects to hinder the air circulation required by the boiler.
SERVICE CLEARANCES
1200mm
530mm
1155mm
300mm**
5mm*
5mm*
600mm
12
VENTILATION INFORMATION
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VENTILATION INFORMATION
Conventional flue boilers require an adequate supply of fresh air which must be delivered to the boiler
for combustion purposes through a permanent inlet, such as an air brick, into the area where the
boiler is situated.
If a cupboard or compartment which is to be used for storage or airing is built around the boiler after
installation there must be a non-combustible partition around the boiler. Further information can be
found in BS 5410 which also describes venting requirements.
Conventional flued boilers:
kW
Minimum area of of air inlet for combustion:
Area (cm2)
12/18
99
18/25
138
25/32
176
MINIMUM AIR VENT AREA (cm2) FOR BOILERS INSTALLED IN A COMPARTMENT:
Conventional flue
Room Sealed flue:
Internal1 ventilation External2 ventilation
Internal1 ventilation External2 ventilation
High
Level
Low
Level
12/18
198
279
18/25
275
413
25/32
352
528
176
kW
High
Level
Low
Level
kW
High
Level
Low
Level
High
Level
Low
Level
99
198
12/18
198
198
99
99
138
275
18/25
275
275
138
138
352
25/32
352
352
176
176
GENERAL
INFORMATION
1Internal air to and from a space/room inside the building. 2External air to and from directly outside the building.
Venting compartments:
Ventilation must be provided for boilers fitted into compartments as described in BS 5410
A minimum of two air vents must be fitted, one at low level and another at high level onto the
same wall using the same air for circulation.
Combustion air must not be taken from a room or internal space containing a bath or shower and
must not communicate with a protected area such as a hall, stairway, landing, corridor, lobby,
shaft etc.
Air vents must allow access for clean free air and must be sited to comply with the flue
terminal position requirements.
Air ducting runs must not exceed 3m.
Low level air vents must be less than 450mm from the floor.
A warning label must be attached to the vents with a statement to the effect:
''Do not block this vent.
Do not use for storage''.
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VENTILATION INFORMATION
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GENERAL NOTES
To get the best from your boiler. please read these instructions carefully.
GENERAL
INFORMATION
SEALED HEATING SYSTEMS
Where the boiler is fitted to a sealed heating system your installer will inform you of the minimum and
maximum pressure which must be indicated on the pressure gauge.
Check regularly that the pressure is maintained and contact your installer or maintenance engineer if
there is a noticeable, permanent drop in pressure. If the system loses pressure it should be
repressurised and the cause of the loss investigated.
CENTRAL HEATING SYSTEMS
During the first few hours of operation of the central heating system, check that all radiators are
being heated at an even rate. If the top of a radiator is at a lower temperature than the bottom then it
should be vented by releasing air through the venting screw at the top of the radiator. Ask your
installer to show you how this is done. Repeated venting will reduce the quantity of water in the
system and this must be replenished for safe and satisfactory operation of the boiler.
When excessive venting or water leaks are found in the system you must contact a service engineer
to inspect the installation and rectify any fault.
Only use additives compatible with the boiler and system. Use of incompatible additives can cause
damage and will invalidate the boiler guarantee.
CONDENSATE DRAIN
This is a condensing boiler and the terminal will, at times give out a plume of water vapour. This is
quite normal.
The boiler also produces quantities of condensate which is discharged regularly via a pipe to drain.
This pipe must not be blocked or altered in any way.
CLEARANCES - SERVICE
Your installer will have provided adequate space around the boiler for safety and servicing access.
Do not restrict this space with the addition of cupboards, shelves etc. next to the boiler.
ROOM THERMOSTAT
A room temperature controller must be fitted to control the central heating. Refer to instructions
supplied with the thermostat for information on siting and setting.
THERMOSTATIC RADIATOR VALVES
It is recommended that this type of valve is fitted to all but one of the radiators (or at least those in
the sleeping accommodation). The remaining radiator, which must be where the room thermostat is
located, should be un-controlled and must be left open.
14
GENERAL NOTES
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TIPS ON ENERGY SAVING
Room thermostats:
Reducing the setting of the room thermostat by 1°C can reduce fuel consumption by up to 10%.
New control systems:
Upgrade your heating control system with the latest equipment available. The minimum level of control
for a heating system is a programmer, interlocking room thermostat and thermostatic radiator valves.
Radiators:
More often than not radiators will be sited underneath a window, so the warm air from the radiator
heats the colder incoming air from the window.
The performance of the radiator will be affected if the curtains are allowed to drape over the radiator or
shelves are fitted above it.
The positioning of furniture and tables in front of the radiator should also be avoided.
It is advisable to manually adjust all radiator valves every 2-3 months to prevent them from sticking. It is
also important that the plastic tops of all valves are always in position and not cracked or damaged to
help prevent accidents. Care should be taken when vacuum cleaning carpets to avoid damage to
valves and pipework.
The heating system and the outputs of the radiators have been carefully selected by your installer. The
temperature obtainable in any given room is dependent on all radiators being operated at the same
time. If you decide to turn off radiators in unused rooms, spare bedrooms etc., you may experience
slightly lower room temperatures in rooms adjacent to unheated rooms.
Heating economically:
The boiler is designed to provide a high level of comfort while keeping oil consumption and the
resulting environmental effect as low as possible.
The temperature of each room can be set individually using the thermostatic radiator valves (except the
primary room with the room thermostat).
Roof insulation:
ENERGY
SAVING
The central heating control on the boiler should be set as low as possible while still maintaining a
comfortable room temperature.
Around 30% of the heat loss from a property is through the roof. Replace any old insulation with new
insulation, preferably to a minimum thickness of 200mm.
Window frames:
Single glazed windows, particularly those with steel frames, can lose a great deal of heat.
Consideration should be given to replacement with PVCu or wooden framed double glazed units.
Curtains:
Lined curtains, or heavier full length curtains can provide excellent insulation. However, always ensure
that the curtains do not drape over radiators.
Draughts:
Try to ensure that draughts around doors, windows, letterboxes and keyholes etc., are reduced by
using a suitable draught excluder.
Warning: Do not block or seal any air vents that are installed to ensure
the central heating boiler (or other appliance) operate safely.
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TIPS ON ENERGY SAVING
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FAULT OR BREAKDOWN
This boiler is supported in mainland UK by
Worcester, Bosch Group, part of Bosch
Thermotechnology Ltd.
BOILER DATA LABEL
Specialist trained, Worcester, Bosch Group
Service Engineers are available to attend in the
unlikely event that a breakdown occurs on this
boiler.
To access:
No charge will be made for parts and/or
labour providing:
A boiler fault is found and the boiler has
been installed within the past 24 months.
Reasonable evidence of this must be
supplied on request
A call-out charge will be made where:
The boiler has been installed for over 24
months. OR
Our Field Service Engineer finds no fault
with the boiler (see Note). OR
Evidence cannot be provided that the first
year service inspection has been carried out.
(i.e. an entry in the service interval record
found at the rear of the boiler installation
and servicing manual). OR
The cause of breakdown is misuse or with
other parts of your plumbing/heating system,
or with equipment not supplied by Bosch
Thermotechnology Ltd.
The data label can be found on the inside of the
boiler on top of the control box.
Lift top panel to release lugs.
To replace top panel:
Replace the top panel and gently push down
(from the edges so as not to damage the
panel) until it clips back into place.
(You can record this information on the inside
back cover of this manual.)
BOILER
DATA LABEL
GUARANTEE
NOTE: NO BOILER FAULT IS FOUND ON
OVER 30% OF ALL SERVICE CALL OUTS.
Please read this guide carefully to gain a good
understanding of the operation of your boiler. In
the case of a suspected fault, refer to the fault
finding section of this guide.
If in doubt contact our Technical Support
In the event of an boiler fault or breakdown
please contact our Service Department. Your
service administrator will arrange for an Engineer
to call with the minimum of delay. Under normal
circumstances this will be from 1 to 3 working
days (excluding weekends) for priority
breakdown situations (no hot water and/or
heating).
Invoices for attendance and repair work carried
out on this boiler by any third party will not be
accepted.
16
FAULT OR BREAKDOWN
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Page 19
GUARANTEE REGISTRATION
YOUR GUARANTEE
You should complete and return the postpaid
Guarantee Registration Card within 30 days of
installation.
This boiler is guaranteed against faulty materials
or workmanship for a period of 24 calendar
months (60 months for the primary heat
exchanger) from the date of installation subject
to the following conditions:
Returning your card will register you as the
owner of your new boiler and will assist us in
maintaining an effective and efficient customer
service by establishing a reference and
permanent record for your boiler.
This does not affect your statutory rights.
For your own record:
That during the period of this guarantee any
components of the unit which are proved to
be faulty or defective in manufacture will be
exchanged or repaired free of material
charges and free of labour charges if
repaired directly by Bosch Thermotechnology
Ltd. Please be aware that invoices
for attendance and repair of this
boiler by third parties will not be
accepted for payment by Bosch
Thermotechnology Ltd.
That the householder may be asked to
prove, when requested, the date of
installation, that the boiler was correctly
commissioned and, where appropriate, that
the 12 month service inspection has been
carried out to the satisfaction of Bosch
Thermotechnology Ltd, when requested.
The guarantee card must then be returned
within 30 days of installation.
That any product or part thereof returned for
servicing under the guarantee must be
accompanied by a claim stating the Model,
Serial Number and Date of Installation.
Model
Serial No.
(See identity label inside boiler casing)
Type / size
Date of installation
That Bosch Thermotechnology Ltd will not
accept responsibility for damage caused by
faulty installation, neglect, misuse or
accidental damage and non-observance of
the instructions contained in the Installation
and Users Instructions leaflets.
That the boiler has been used only for
normal domestic purposes, for which it was
designed.
Installer details
GUARANTEE
8 716 106 253f
This guarantee applies only to equipment
purchased and installed in mainland UK.
This guarantee is given in addition to all your
normal statutory rights.
Worcester, Bosch Group is a brand name of
Bosch Thermotechnology Ltd.
GUARANTEE REGISTRATION
GREENSTAR HEATSLAVE 12/18 - 18/25 - 25/32
8 716 106 253f (03.2010)
17
8 716 106 253f
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Page 20
If the boiler fails to give
complete satisfaction,
please check the following
before calling for a service
engineer:General checks
1. Oil level in the tank
2. Power to the boiler
3. All control settings
4. The system pressure is appropriate for your system
(see page 6)
Dedicated to heating comfort
Worcester, Bosch Group
Cotswold Way, Warndon, Worcester WR4 9SW.
Tel. 0844 892 9900 Fax. 01905 754619
www.worcester-bosch.co.uk
Worcester, Bosch Group is a brand name of Bosch Thermotechnology Ltd.
8 716 106 253f (03.2010)
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