Worcester GREENSTAR UTILITY 32/50 Manuale utente

GREENSTAR UTILITY

32/50 & 50/70

FLOOR STANDING OIL-FIRED CONDENSING BOILER

CONVENTIONAL FLUE & ROOM SEALED FLUE

FOR FULLY PUMPED OPEN VENT OR SEALED CENTRAL HEATING SYSTEMS AND

DOMESTIC HOT WATER CYLINDERS

THE BOILER IS FOR USE WITH

KEROSENE (28 SECOND OIL) ONLY

USER INSTRUCTIONS & CUSTOMER CARE GUIDE

8 716 109 712b 07.10 12/7/10 12:28 Page 1

USER INSTRUCTIONS &

CUSTOMER CARE GUIDE

GREENSTAR UTILITY 32/50 - 50/70

8 716 109 712b (07.2010)

CONTACT INFORMATION

WORCESTER, BOSCH GROUP:

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

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.

8 716 109 712b 07.10 12/7/10 12:28 Page 2

CONTENTS

GREENSTAR UTILITY 32/50 - 50/70

8 716 109 712b (07.2010)

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

Frost protection 5

Fault conditions 6

Fault finding 7

MAINTENANCE

MAINTAINING YOUR BOILER 8

SERVICING 9

GENERAL INFORMATION

VENTILATION INFORMATION 10 - 11

GENERAL NOTES 12

ENERGY SAVING

TIPS ON ENERGY SAVING 13

GUARANTEE

FAULT OR BREAKDOWN 14

YOUR GUARANTEE AND REGISTRATION 15

INTRODUCTION

USING YOUR

BOILER

GENERAL

INFORMATION MAINTENANCE

ENERGY

SAVING

GUARANTEE

PLEASE READ THESE INSTRUCTIONS CAREFULLY

These instructions are applicable to the Worcester, Bosch Group model stated on the front cover only.

These instructions apply in the UK/IE only and must be followed except for any statutory obligation.

After installation please leave this User Manual along with the Installation, Commissioning and

Servicing Instructions and completed Benchmark Checklist with the user.

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 almost 50

years. This heritage means that all our products are of exceptional quality and proven reliability.

The condensing range in particular, is extremely energy efficient, offering you economical running

costs and value for money. It sits in SEDBUK Band A, and is therefore amongst the top energy rated

boilers available.

There is also the assurance of our no-nonsense 2 years parts and labour guarantee - backed up by

Worcester Total Cover, an optional complete maintenance scheme to keep your boiler operating at

peak condition and efficiency.

NOTES

8 716 109 712b 07.10 12/7/10 12:28 Page 3

SAFETY PRECAUTIONS GREENSTAR UTILITY 32/50 - 50/70

8 716 109 712b (07.2010)

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.

8 716 109 712b 07.10 12/7/10 12:28 Page 4

CONTROLS

GREENSTAR UTILITY 32/50 - 50/70

8 716 109 712b (07.2010)

A Temperature control (behind upper front panel)

B Reset button - boiler overheat thermostat (behind front panel)

C Reset button - flue overheat thermostat (behind front panel)

D Reset button - lockout (top of burner under top panel)

E Upper front panel (pull squarely away from the boiler to remove)

F Top panel (lift squarely up from boiler to remove)

CONTROLS

USING YOUR

BOILER

8 716 109 712b 07.10 12/7/10 12:28 Page 5

OPERATING THE BOILER GREENSTAR UTILITY 32/50 - 50/70

8 716 109 712b (07.2010)

USING YOUR

BOILER

OPERATING THE BOILER

SWITCHING THE BOILER ON/OFF:

To switch on the boiler; turn on the 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 TEMPERATURE:

Turn the control clockwise to increase the water temperature.

Turn the control anti-clockwise to reduce the water temperature.

The minimum and maximum ranges of the temperature control positions are approximately 60°C to

82°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.

8 716 109 712b 07.10 12/7/10 12:28 Page 6

OPERATING THE BOILER

GREENSTAR UTILITY 32/50 - 50/70

8 716 109 712b (07.2010)

OPERATING THE BOILER

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 6 and 7 for fault condition guidance.

USING YOUR

BOILER

8 716 109 712b 07.10 12/7/10 12:28 Page 7

OPERATING THE BOILER GREENSTAR UTILITY 32/50 - 50/70

8 716 109 712b (07.2010)

USING YOUR

BOILER

OPERATING THE BOILER

FAULT CONDITIONS:

If the boiler fails to operate.

Check the oil level in the oil storage tank.

Check there is not a power cut and the

power supply to the boiler is switched on.

Check the programmer is set to on.

Check the room thermostat and where fitted,

the radiator thermostats are set correctly.

Remove upper front panel and check the

thermostat control knob (A) is turned on.

If the above checks prove satisfactory and the

boiler remains off, then a safety device in the

boiler control system may have been activated to

prevent the boiler from operating.

Automatic reset:

An excessive boiler operating temperature

can activate a thermostat to switch off the

boiler. This thermostat automatically resets

when the boiler has cooled down sufficiently.

Do not attempt to repeatedly start the boiler

using the manual reset buttons as persistent

failure indicates a fault requiring the attention

of a service engineer.

Boiler overheat (manual reset):

Should the boiler temperature rise beyond

the automatic reset level, a high limit

thermostat will switch the boiler off,

indicated by button (B) standing proud.

When the boiler has cooled down, press

and release (B) to reset the thermostat.

Flue overheat (manual reset):

Excessive combustion gas temperatures can

activate a thermostat to switch off the boiler,

indicated by button (C) standing proud.

Press and release (C) to reset thermostat.

Burner lockout (manual reset):

Flame failure, for any reason, will cause the

burner to go safely to a lockout condition.

Remove the boiler top panel and check the

lockout button (D). If this is illuminated it

indicates a ‘lockout’ condition. To cancel

lockout, wait 2 minutes, then press and

release button (D).

ACCESSING RESET BUTTONS:

Reset buttons (A B & C):

To remove upper front panel pull panel

squarely away from the front of the boiler.

To replace, realign ball studs and push back

into place.

Burner lockout reset button (D):

Pull top panel squarely upwards to

remove.

To replace, realign ball studs and push

back into place.

Always keep pressure to the edges of the

panels to avoid accidental damage.

8 716 109 712b 07.10 12/7/10 12:28 Page 8

FAULT FINDING

Problem Cause Remedy

Desired room temperature

is not reached

Thermostatic radiator

valve(s) set too low

Room thermostat set too Increase room thermostat

low setting

Temperature control on

boiler set too low

Air trapped in heating

system

Desired room temperature

exceeded by large amount

Temperature rises instead

of falling

Radiators are too hot

Clock is incorrectly set

Increase thermostatic

radiator valve setting(s)

Increase temperature

control setting

Bleed radiators and

recharge heating system

Turn down thermostatic

radiator valves / room

thermostat / boiler

temperature control setting

Check setting

FAULT FINDING

GREENSTAR UTILITY 32/50 - 50/70

8 716 109 712b (07.2010)

USING YOUR

BOILER

8 716 109 712b 07.10 12/7/10 12:28 Page 9

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 .

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.

Do not obstruct the flue outlet or the air inlet.

MAINTAINING YOUR BOILER GREENSTAR UTILITY 32/50 - 50/70

8 716 109 712b (07.2010)

MAINTENANCE

8 716 109 712b 07.10 12/7/10 12:28 Page 10

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