GREENSTAR HEATSLAVE
12/18, 18/25, 25/32
FLOOR STANDING OIL FIRED CONDENSING COMBINATION
BOILER CONVENTIONAL FLUE & ROOM SEALED FLUE
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
USER INSTRUCTIONS & CUSTOMER CARE GUIDE
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USER INSTRUCTIONS &
CUSTOMER CARE GUIDE
GREE NSTAR HEATSLAVE 12/18 - 18/25 - 25/32
8 716 106 253f (03.2010)
CONTACT INFORMATION
WORCESTER, BOSCH:
TECHNICAL: 0844 892 3366
SERVICE: 0844 892 3000
SERVICE (EIRE) 01494 0099
LITERATURE: 0844 892 9800
SALES: 01905 752640
WEBSITE: worcester-bosch.co.uk
USER INSTRUCTIONS &
CUSTOMER CARE GUIDE
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.
ABBREVIATIONS:
SEDBUK Seasonal Efficiency for Domestic
Boilers in the United Kingdom.
OFTEC Oil Firing Technical Association for the
Petroleum Industry.
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CONTENTS
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1
CONTENTS
INTRODUCTION
SAFETY PRECAUTIONS 2
USING YOUR BOILER
CONTROLS 3
OPERATING THE BOILER
Switching the boiler on/off 4
Setting the heating temperature 4
Controlling central heating 4
Setting the hot water temperature 5
Frost protection 5
Pressure gauge 6
Filling loop 7
Fault conditions All models 8
Fault finding 9
MAINTENANCE
MAINTAINING YOUR BOILER 10
SERVICING 11
GENERAL INFORMATION
VENTILATION INFORMATION 12
GENERAL NOTES 14
ENERGY SAVING
TIPS ON ENERGY SAVING 15
GUARANTEE
FAULT OR BREAKDOWN 16
YOUR GUARANTEE AND REGISTRATION 17
INTRODUCTION
USING YOUR
BOILER
GENERAL
INFOR MATION
MAINTENANCE
ENERGY
SAVING
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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SAFETY PRECAUTIONS
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2
INTRODUCTION
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.
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CONTROLS
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A Hot water temperature control.
B Central heating temperature control.
C LOCK OUT indicator.
D POWER ON indicator.
E System pressure gauge.
F Optional programmer (see instructions supplied with programmer for details).
G 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.
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).
CONTROLS
USING YOUR
BOILER
3
A B C D E F
G H J K
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OFF
TIMED
ONCE
ON
HOT WATER CENTRAL HEATING
bar
ADVANCE SET ? ADVANCE
SELECT SELECTYES
OFF
TIMED
ONCE
ON
OPERATING THE BOI LER
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USING YOUR
BOILER
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.
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
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