Bosch Worcester GREENSTAR HEATSLAVE EXTERNAL 12/18 Bedienungsanleitung

GREENSTAR HEATSLAVE EXTERNAL

12/18, 18/25, 25/32

EXTERNAL OIL FIRED CONDENSING COMBINATION BOILER

BALANCED 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

USER INSTRUCTIONS & CUSTOMER CARE GUIDE

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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.

USER INSTRUCTIONS &

CUSTOMER CARE GUIDE

GREENSTAR HEATSLAVE EXTERNAL 12/18 - 18/25 - 25/32

8 716 113 390e (03.2010)

8 716 113 390e 30/3/10 14:05 Page 2

CONTENTS

GREENSTAR HEATSLAVE EXTERNAL 12/18 - 18/25 - 25/32

8 716 113 390e (03.2010)

CONTENTS

INTRODUCTION

DEDICATED TO HEATING COMFORT 1

SAFETY PRECAUTIONS 2

USING YOUR BOILER

CONTROLS 3

OPERATING THE BOILER

Switching the boiler on/off 4

Central heating temperature control 4

Controlling central heating 4

Setting the hot water temperature 5

Frost protection 5

Pressure gauge 6

Filling loop 7

Fault conditions 8

Fault finding 10

MAINTENANCE

LOCATION & CLEARANCES 11

MAINTAINING YOUR BOILER 12

SERVICING 13

GENERAL INFORMATION

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

INFORMATION

ENERGY

SAVING

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

worcester-bosch.co.uk.

MAINTENANCE

GUARANTEE

8 716 113 390e 30/3/10 14:05 Page 3

SAFETY PRECAUTIONS GREENSTAR HEATSLAVE EXTERNAL12/18 - 18/25 - 25/32

8 716 113 390e (03.2010)

INTRODUCTION

SAFETY PRECAUTIONS

OIL FUMES OR LEAKS FROM THE BOILER:

Extinguish any naked flames.

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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To remove the front panel, undo the screws on each side of the base of the front panel using the tool

provided (see diagram below). The panel can then be removed by pulling out at the base and then sliding

down to disengage from the lid.

A Reset button - lock out*. *The alternative reset is accessed by reaching under the fascia and pressing

the reset button on the control box of the burner (see diagram below).

B Reset button - boiler.

C Reset button - flue thermostat.

D Hot water temperature control.

E Central heating temperature control.

F Lock-out indicator.

G Boiler mode indicator.

H Mode switch, Boiler ON or Service.

I Pressure gauge.

Lockout reset button locations

All Models

Remove front panel to access

Burner Reset Button (A)

Thermostat Reset Buttons

(B and C) are common to all

models.

*Alternative reset location

If the reset button under the control

panel does not reset the burner,

press the alternative Burner Reset

Button (A).

CONTROLS

GF H

GREENSTAR HEATSLAVE EXTERNAL

max

flue

reset boiler

reset

max

lockout

service

CONTROLS

GREENSTAR HEATSLAVE EXTERNAL 12/18 - 18/25 - 25/32

8 716 113 390e (03.2010) 1

USING YOUR

BOILER

NOTE: Only attempt two burner

resets, then call your

service engineer for advice

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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 mode switch is in boiler ON position with the indicator illuminated.

Check the programmer/timer is correct and it 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.

CENTRAL HEATING TEMPERATURE CONTROL

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.

GREENSTAR HEATSLAVE EXTERNAL

max

flue

reset boiler

reset

max

lockout

service

GREENSTAR HEATSLAVE EXTERNAL

max

flue

reset boiler

reset

max

lockout

service

OPERATING THE BOILER GREENSTAR HEATSLAVE EXTERNAL12/18 - 18/25 - 25/32

8 716 113 390e (03.2010)

USING YOUR

BOILER

8 716 113 390e 30/3/10 14:05 Page 6

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.

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 are fitted to the boiler to protect the boiler and system from the risk of freezing.

The boiler mode indicator light MUST be illuminated for the frost protection to operate.

In the unlikely event that there is no hot water or heating, check pages 9 and 10 for fault

condition guidance.

GREENSTAR HEATSLAVE EXTERNAL

max

flue

reset boiler

reset

max

lockout

service

GREENSTAR HEATSLAVE EXTERNAL

max

flue

reset boiler

reset

max

lockout

service

OPERATING THE BOILER

GREENSTAR HEATSLAVE EXTERNAL 12/18 - 18/25 - 25/32

8 716 113 390e (03.2010)

USING YOUR

BOILER

8 716 113 390e 30/3/10 14:05 Page 7

OPERATING THE BOILER

bar

Sealed System pressure when

boiler is operating

OPERATING THE BOILER

PRESSURE GAUGE:

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.

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.

GREENSTAR HEATSLAVE EXTERNAL12/18 - 18/25 - 25/32

8 716 113 390e (03.2010)

USING YOUR

BOILER

8 716 113 390e 30/3/10 14:05 Page 8

OPERATING THE BOILER

FILLING LINK: Sealed systems only

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.

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.

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.

OPERATING THE BOILER

GREENSTAR HEATSLAVE EXTERNAL 12/18 - 18/25 - 25/32

8 716 113 390e (03.2010)

USING YOUR

BOILER

8 716 113 390e 30/3/10 14:05 Page 9

OPERATING THE BOILER

FAULT CONDITIONS:

The Boiler mode and Lockout lights can indicate some basic fault conditions.

(1) Accessing Controls:

Undo the screws on the bottom of the front panel using the tool provided. The panel can be

removed by pulling out at the base and then sliding down to disengage from the lid.

If button A does not reset the boiler press the alternative burner reset button (D).

(2) “Boiler mode” light ON, “Lockout” light off:

Normal operation

Mains power supply to boiler and the boiler is switched to the “boiler ON mode”.

OPERATING THE BOILER

GREENSTAR HEATSLAVE EXTERNAL

max

flue

reset boiler

reset

max

lockout

service

GREENSTAR HEATSLAVE EXTERNAL12/18 - 18/25 - 25/32

8 716 113 390e (03.2010)

USING YOUR

BOILER

8 716 113 390e 30/3/10 14:05 Page 10

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