Bosch GREENSTAR HEATSLAVE II EXTERNAL 12/18 Bedienungsanleitung

GREENSTAR HEATSLAVE II EXTERNAL

12/18, 18/25 & 25/32

FLOOR STANDING OIL FIRED CONDENSING BOILER

CONVENTIONAL FLUE & ROOM SEALED FLUE

FOR SEALED CENTRAL HEATING SYSTEMS WITH MAINS FED DOMESTIC

HOT WATER

THE BOILER IS FOR USE WITH

KEROSENE (28 SECOND OIL) ONLY

USER INSTRUCTIONS & CUSTOMER CARE GUIDE

USER INSTRUCTIONS &

CUSTOMER CARE GUIDE

GREENSTAR HEATSLAVE II EXTERNAL 12/18, 18/25 & 25/32

6 720 805 212a (07.2013)

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

NOTE: NO BOILER FAULT IS FOUND ON

OVER 30% OF ALL SERVICE CALL OUTS.

Please read the fault section of the manual

before contacting our service team.

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.

CONTENTS

GREENSTAR HEATSLAVE II EXTERNAL 12/18, 18/25 & 25/32

6 720 805 212a (07.2013)

INTRODUCTION

USING YOUR

BOILER

GENERAL

INFORMATION MAINTENANCE

ENERGY

SAVING

GUARANTEENOTES

CONTENTS

INTRODUCTION

SAFETY PRECAUTIONS 2

USING YOUR BOILER

CONTROLS 3

OPERATING THE BOILER

Switching the boiler on/off 5

Setting the heating temperature 5

Controlling central heating 5

Setting the hot water temperature 6

Domestic hot water (DHW) 6

Eco mode 7

Frost protection 7

Boiler Alert state 8

System pressure & filling loop 9

Fault finding 10

MAINTENANCE

MAINTAINING YOUR BOILER 11

SERVICING 12

GENERAL INFORMATION

IMPORTANT INFORMATION 13

GENERAL NOTES 14

ENERGY SAVING

TIPS ON ENERGY SAVING 15

GUARANTEE

FAULT OR BREAKDOWN 16

YOUR GUARANTEE AND REGISTRATION 17

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 50 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.

SAFETY PRECAUTIONS GREENSTAR HEATSLAVE II EXTERNAL 12/18, 18/25 & 25/32

6 720 805 212a (07.2013)

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.

CONTROLS

GREENSTAR HEATSLAVE II EXTERNAL 12/18, 18/25 & 25/32

6 720 805 212a (07.2013)

TO ACCESS CONTROLS:

To access controls first remove the front panel:

4Unscrew the two screws (A) on the bottom

of the front panel using the tool (B) provided.

The panel will drop down and can be

carefully removed.

4Pull control drawer (C) fully forwards.

To r e p l a c e :

4Push control drawer (C) firmly back into place.

4Push the front panel up behind the top panel,

push in and secure in place with the screws (A)

using tool (B).

CONTROLS:

CONTROLS

USING YOUR

BOILER

A B C D E F G H I J K L M

A Spanner/return button

B Reset button

C ECO button

D Boiler LCD display

E Central heating temperature control

F Scroll up button

G OK - Select/confirmation button

H Scroll down button

I Demand/fault indicator (blue)

J Position for optional programmer

K Hot water temperature control

L Diagnostic port (service engineer)

M System pressure guage

N Burner service mode button (service engineer)

CONTROLS GREENSTAR HEATSLAVE II EXTERNAL 12/18, 18/25 & 25/32

6 720 805 212a (07.2013)

USING YOUR

BOILER

CONTROLS

DISPLAY SYMBOLS:

SCREEN DISPLAY DESCRIPTION EXPLANATION

All possible screen

symbols (including

greyed out symbols)

All possible screen symbols are

displayed briefly during start up. The

greyed out symbols are not required for

the operation of this appliance.

Numerical display Displays a temperature setting or boiler

status code.

Text display Displays ECO or Alert code

Hot water Displays during a hot water demand

and when the heat store is reheating.

Central heating Displays during central heating demand.

Alert Displays during a fault condition

with diagnostic and status code.

Service mode Displays when in the service menus.

Centigrade indication Displays next to temperature reading.

Confirmation Confirms a manual change.

Weather Compensation Displays only if Weather Compensation

sensor is fitted and is active.

OPERATING THE BOILER

GREENSTAR HEATSLAVE II EXTERNAL 12/18, 18/25 & 25/32

6 720 805 212a (07.2013)

USING YOUR

BOILER

OPERATING THE BOILER

SWITCHING THE BOILER ON/OFF:

4To switch on the boiler; turn on the water, oil and electricity supply to the boiler.

4Check the programmer/timer is correct and is set to ON.

4Set the room thermostat to the desired setting.

4Open and set thermostatic radiator valves as required.

4Turn the boiler water temperature control to the required setting.

4To switch off the boiler; turn the programmer/timer to OFF for heating and hot water.

SETTING CENTRAL HEATING TEMPERATURE:

1. Turn the central heating temperature control knob to the desired flow temperature between 50

and 82°C, this will be indicated on the digital display. This is not the room temperature but the flow

temperature through the radiators.

2. The radiator symbol will be displayed to confirm that the a central heating setting is being

changed.

3. The value is displayed during this process, press to exit or after five seconds of inactivity

the boiler display will return to the default screen.

CONTROLLING CENTRAL HEATING:

4Set the programmer/timer to the correct time with the required ON/OFF periods.

4Turn the room thermostat to the temperature required.

4Set thermostatic radiator valves to the required temperature for each room.

TURNING THE CENTRAL HEATING OFF DURING THE SUMMER:

4Turn your programmer/timer to the off position.

4Please refer to the programmer/timer manufacturer's instructions.

OPERATING THE BOILER GREENSTAR HEATSLAVE II EXTERNAL 12/18, 18/25 & 25/32

6 720 805 212a (07.2013)

USING YOUR

BOILER

OPERATING THE BOILER

SETTING THE HOT WATER TEMPERATURE:

The hot water temperature control knob sets the temperature of the heat store. A high setting will

give a higher hot water temperature and greater quantities of hot water.

1. Turn the hot water temperature control knob to the desired level between 1 and 8, this will be

shown on the digital display.

2. The tap symbol will be displayed to confirm that the hot water setting is being changed.

3. The value is displayed during this process, press to exit or after five seconds of inactivity

the boiler display will return to the default screen.

DOMESTIC HOT WATER (DHW):

The GREENSTAR HEATSLAVE II is microprocessor controlled and at low DHW flow rates

(washing hands etc), the burner will not fire up when the tap is opened as the heat store will meet

the demand, but at high flow rates (filling a bath for example) the burner will fire up to boost the heat

store and meet the demand.

If DHW is OFF on the programmer, the appliance will still supply DHW using heat stored in the

tank, but it will not reheat the tank, therefore the amount of water available is limited but is adequate

for washing up, filling basins etc.

We recommend that DHW is timed off overnight and when the home is unoccupied to save energy.

The timer should be set for at least half an hour before normal hot water demands are expected to

reheat the heat store.

When reheating the heat store the controls will scavenge heat from the boiler for the tank, this

means that the pump will run (and the blue light will be on) for some time after the burner has

turned off whilst heat scavenging takes place.

WARNING: care should be taken when washing your hands as in some circumstances 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 at the start of the demand.

OPERATING THE BOILER

GREENSTAR HEATSLAVE II EXTERNAL 12/18, 18/25 & 25/32

6 720 805 212a (07.2013)

USING YOUR

BOILER

OPERATING THE BOILER

DOMESTIC HOT WATER ECO MODE:

Eco mode is an energy saving feature which alters the cycling function of the burner for heating the

heat store tank. In normal operation the burner will fire more frequently between demands in order to

maintain a stored temperature close to the hot water set point you have entered. In Eco mode, the

burner fires less frequently between demands meaning that the heat store temperature is maintained

at a lower average level, but the tank set point remains the same.

By selecting Eco mode you will be using less energy as the tank is allowed to cool a little more

before reheating to the set point.

SELECTING ECO MODE:

1. Press and hold for at least four seconds to enter the energy saving Eco mode, when Eco

mode is active, “Eco” will be displayed.

EXIT ECO MODE:

4To exit ECO mode, press and hold for at least four seconds, ‘Eco’ will disappear.

FROST PROTECTION:

4The boiler has built in frost protection to protect the boiler, the boiler must have power for this

to operate.

4If you are leaving the property unoccupied during cold weather, please leave your programmer

on constant and your room thermostat set to 15°C.

4If the temperature within the boiler falls below 8°C the pump will run to circulate water and

prevent the system freezing.

4If the temperature within the boiler falls below 4.5°C the boiler will fire immediately, bringing the

boiler temperature up to 12°C to avoid the possibility of the system freezing.

4This process will be repeated until such time that the boiler temperature does not drop below

4.5°C.

If there is no hot water or heating, check page 8 and 10 for fault condition guidance.

OPERATING THE BOILER GREENSTAR HEATSLAVE II EXTERNAL 12/18, 18/25 & 25/32

6 720 805 212a (07.2013)

USING YOUR

BOILER

OPERATING THE BOILER

BOILER ALERT STATE:

Should a fault develop with this boiler (or the system), the boiler will enter into a Locking or Blocking

condition. In the event of a Lockout condition, the blue operation/fault light and the alert triangle

symbol will flash, an alpha numeric fault code and a 3 digit cause code will be displayed.

BOILER RESET:

1. Press the button on the fascia to clear the fault.

4‘Reset’ and the spanner symbol are briefly displayed.

4If the reset was successful the boiler will return to normal operation.

4If the reset was not successful then the alert code will be displayed again, and the blue

operation/fault light will continue to flash.

Should the boiler enter into a Blocking condition, the boiler will stop operating and no fault

code will be displayed. In most cases the condition will clear automatically when the associated fault

clears e.g. waiting for an area to cool. In some cases a Blocking error has a defined time duration prior

to changing to a Locking condition.

If the fault remains and cannot be cleared by pressing the reset button, contact Worcester, Bosch

Group for assistance on 0844 892 3000.

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