Bosch GREENSTAR HIGHFLOW 440 Bedienungsanleitung

Greenstar Highflow 440

FLOOR STANDING RSF GAS-FIRED COMBINATION BOILER

FOR SEALED CENTRAL HEATING SYSTEMS AND MAINS FED DOMESTIC HOT WATER

USER INSTRUCTIONS &

CUSTOMER CARE GUIDE

THIS APPLIANCE IS FOR USE WITH

NATURAL GAS OR LPG (Cat II 2H3P TYPE C13 & C33)

NATURAL GAS: 47 311 82

LIQUID PETROLEUM GAS: 47 311 83

GB/IE

CONTACT INFORMATION

WORCESTER BOSCH:

TECHNICAL: 08705 266241

SERVICE: 08547 256206

SPARES: 01905 752571

LITERATURE: 01905 752556

TRAINING: 01905 752526

SALES: 01905 752640

WEBSITE: www.worcester-bosch.co.uk

WATER TREATMENT:

FERNOX 01799 550811

www.fernox.com

SENTINEL 0151 420 9595

www.betzdearborn.com/sentinel

FLUE TERMINAL GUARDS:

TOWER FLUE COMPONENTS

Vale Rise, Tonbridge TN9 1TB

USER INSTRUCTIONS & CUSTOMER

CARE GUIDE

PLEASE READ THESE INSTRUCTIONS

CAREFULLY BEFORE OPERATING YOUR

APPLIANCE

THESE INSTRUCTIONS ARE APPLICABLE TO

THE WORCESTER BOSCH APPLIANCE

MODEL(S) STATED ON THE FRONT COVER OF

THIS MANUAL ONLY AND MUST NOT BE USED

WITH ANY OTHER MAKE OR MODEL OF

APPLIANCE

THE INSTRUCTIONS APPLY IN THE UK ONLY

AND SHOULD BE FOLLOWED EXCEPT FOR

ANY STATUTORY OBLIGATION.

IF YOU ARE IN ANY DOUBT CONTACT

WORCESTER BOSCH TECHNICAL HELPLINE.

DISTANCE LEARNING AND TRAINING

COURSES ARE AVAILABLE FROM

WORCESTER BOSCH.

THIS APPLIANCE MUST BE INSTALLED BY A

COMPETENT PERSON. FAILURE TO INSTALL

CORRECTLY COULD LEAD TO PROSECUTION.

PLEASE LEAVE THIS GUIDE, THE

INSTALLATION INSTRUCTIONS AND THE

COMPLETED BENCHMARK LOG BOOK WITH

THE USER OR AT THE GAS METER AFTER

INSTALLATION.

DO NOT INTERFERE WITH ANY SEALED

COMPONENTS.

ABBREVIATIONS USED IN THIS BOOK:

NG - Natural Gas

LPG - Liquid Petroleum Gas

CH - Central Heating

DHW - Domestic Hot Water

SEDBUK - Seasonal Efficiency of Domestic

Boilers in the United Kingdom

USER INSTRUCTIONS &

CUSTOMER CARE GUIDE

WORCESTER BOSCH GREENSTAR HIGHFLOW 440

6 720 611 731a (08.04)

CONTENTS

WORCESTER BOSCH GREENSTAR HIGHFLOW 440

6 720 611 731a (08.04)

CONTENTS

INTRODUCTION

EXCELLENCE COMES AS STANDARD 2

SAFETY PRECAUTIONS 3

GENERAL NOTES 4

Boiler location and clearances 6

USING YOUR APPLIANCE

CONTROLS 7

OPERATING THE APPLIANCE

Switching the appliance on/off 8

Setting the central heating temperature 8

Controlling central heating 8

Setting the hot water temperature 9

Summer mode, hot water only 10

Frost protection 10

Fault condition 10

ENERGY SAVING

TIPS ON ENERGY SAVING 11

MAINTENANCE

MAINTAINING YOUR APPLIANCE 14

FAULT FINDING 15

FAULT OR BREAKDOWN 16

GUARANTEE

YOUR GUARANTEE 17

GUARANTEE REGISTRATION 18

INTRODUCTION

USING YOUR

APPLIANCE

MAINTENANCE ENERGY

SAVING

GUARANTEE

EXCELLENCE COMES AS STANDARD WORCESTER BOSCH GREENSTAR HIGHFLOW 440

6 720 611 731a (08.04)

EXCELLENCE COMES AS STANDARD

Thank you for purchasing a Greenstar Highflow

440 gas-fired condensing boiler manufactured

by Worcester Bosch. The company prides itself

on manufacturing boilers to the strictest quality

control standards throughout every stage of

production. Worcester Bosch has led the field

in innovative appliance design and performance

for more than 40 years This heritage means all

products are of exceptional quality and proven

reliability.

The Greenstar range in particular, is extremely

energy efficient converting up to 97% of gas

consumed into heat offering you economical

running costs and value for money. It sits in the

SEBUK Band A – amongst the top energy

rated appliances 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.

To find out more about Worcester Bosch log

onto www.worcester-bosch.co.uk .

INTRODUCTION

SAFETY PRECAUTIONS

WORCESTER BOSCH GREENSTAR HIGHFLOW 440

6 720 611 731a (08.04)

IF YOU SMELL GAS:

DO NOT operate any electrical switches

Extinguish any naked flame

Turn off the gas service cock at the meter

Open windows and doors

Telephone your gas company

IF YOU SMELL FUMES FROM THE APPLIANCE:

Switch off the appliance, as shown in Fig. a.

Open windows and doors

BENCHMARK STANDARD

‘Benchmark’ is a code of practice for correctly

installing, commissioning and servicing of

domestic water heating appliances

A Benchmark Log Book is provided by the

manufacturer for the installer to complete ALL

details together with their CORGI registration

number and sign to confirm that the boiler has

been installed and commissioned according to

the manufacturer’s instructions

IMPORTANT: The completed Benchmark Log

Book will be required in the event of any

warranty work and may be required by the local

Building Control Inspector.

HEALTH & SAFETY

The appliance contains no asbestos and no

substances used in the construction process to

contravene the COSHH Regulations (Control

of Substances to Hazardous Health

Regulations 1988)

COMBUSTIBLE AND CORROSIVE MATERIALS

Do not store or use any combustible materials

(paper, thinners, paints etc.) inside or within the

vicinity of the appliance

Chemically aggressive substances, such as

halogenated hydrocarbons containing chlorine

or fluorine compounds can corrode the

appliance and invalidate any warranty.

FITTING & MODIFICATIONS

Fitting the appliance and any controls to the

appliance may only be carried out by a

competent engineer in accordance with the

Gas Safety (Installation and Use) Regulations.

Flue systems must not be modified in any way

other than as described in the fitting

instructions and any misuse or unauthorised

modifications to the appliance, flue or

associated components and systems could

invalidate the warranty. The manufacturer

accepts no liability arising from any such

actions. This does not effect your statutory

rights

SERVICING

The user is recommended to have the system

regularly serviced by a competent, qualified

engineer (such as British Gas or CORGI

registered personnel) using original spares, to

help maintain the economy, safety and reliability

of the appliance and to have the Service

Record completed in the Benchmark Log Book

The appliance should be serviced once each

year after installation unless the particular

installation conditions and usage demand more

frequent services

IMPORTANT - ensure that the service engineer

completes the Service Record in the

Benchmark Log Book after each service

INTRODUCTION

SAFETY PRECAUTIONS

Fig. a.

GENERAL NOTES WORCESTER BOSCH GREENSTAR HIGHFLOW 440

6 720 611 731a (08.04)

To get the best from your appliance please read

these instructions carefully

SEALED HEATING SYSTEMS

The appliance is fitted to a sealed heating

system which is pressurised. Your installer will

tell 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 permanent significant drop

in pressure. If the system loses pressure it

should be repressurised and the cause of the

fall 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 appliance.

Should water leaks be found in the system or

excessive venting is required then a service

engineer must be contacted to inspect the

installation and rectify any fault.

Only additives that are compatible with

aluminium may be used in the system. Any

incompatible additive used will invalidate the

guarantee.

FLUE OUTLET

This is a condensing appliance and the terminal

will, at times give out a plume of water vapour.

This is quite normal.

CONDENSATE DRAIN

The appliance also produces quantities of

condensate which is discharged regularly by a

pump within the boiler to drain.

ROOM THERMOSTAT

A room temperature controller (eg. Worcester

TR2 room temperature controller with night

setback module) should be fitted to control the

central heating. Refer to the 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 accommodations). The

remaining radiator, which must be where the

room thermostat is located, should be un-

controlled and must be left open. They should

conform to the requirements of BS2767:10.

SHOWERS, BIDETS, TAPS & MIXING VALVES

Standard hot and cold taps and mixing valves

must be suitable for operating at mains

pressure. Thermostatically controlled or

pressure equalising shower valves will guard

against the flow of water at too high a

temperature.

Hot and cold mains fed water can be supplied

directly to an over-rim flushing bidet subject to

local water company requirements.

With all mains fed systems the flow of water

from individual taps will vary with the number of

outlets operated simultaneously and the cold

water mains supply pressure to the property.

Flow balancing using “ball-o-fix” type valves is

recommended to avoid an excessive reduction

in flow to individual outlets.

For further information contact Worcester Heat

Systems Ltd. Technical Department.

GENERAL NOTES

INTRODUCTION

GENERAL NOTES

WORCESTER BOSCH GREENSTAR HIGHFLOW 440

6 720 611 731a (08.04)

HOT AND COLD FLOW

The flow of water demanded from both hot and

cold service outlets is dependent on the mains

supply, it may not be possible in some

installations to operate all outlets

simultaneously.

WATER MAINS FAILURE

If there is a failure of the mains water supply

then no water will be available at a tap or

shower until the mains supply is restored. The

appliance will still operate in the central heating

mode.

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.

Alternatively the maximum temperature of the

domestic hot water may be reset to about 45°C

which will reduce the risk of scale formation in

these hard water areas.

VENTILATION

This is a room sealed appliance and does not

require any air for combustion from inside the

house. If the appliance is fitted into a cupboard

or a compartment is built around the appliance

after installation then the compartment must be

separated from the boiler space by a perforated

non-combustible partition as described in BS

6798 and BS 5440.

Notwithstanding the requirements of BS 6798,

there is no need for ventilation openings to be

provided in the compartment because of the

low heat loss from the appliance casing if

clearances on the next page are observed.

Do not operate the appliance if the flue terminal

fitted on the outside wall or roof is obstructed

or damaged.

PUMP

The pump is set by the manufacturer and must

not be adjusted.

PUMP ANTI-SEIZURE

If there has been no heating demand for 24

hours, the pump will run for a few seconds to

reduce the possibility of pump seizure, which is

possible during long periods of inactivity.

GENERAL NOTES

INTRODUCTION

BOILER LOCATION AND CLEARANCES WORCESTER BOSCH GREENSTAR HIGHFLOW 440

6 720 611 731a (08.04)

BOILER LOCATION AND CLEARANCES

This boiler is only suitable for installing internally

within a property at a suitable location onto a

fixed, rigid non-combustable surface at least the

same size of the boiler and capable of

supporting the boiler weight.

Compartments:

Follow the requirements of BS6798 and

BS5440 Part 2 and note:

Minimum clearances must be maintained.

An access door is required for servicing and

maintenance of the boiler.

If fitting the boiler into an airing cupboard use

a non-combustable perforated material

(maximum hole sizes of 13mm) to separate the

boiler from the air space.

Service clearances. See Fig. a.

The diagram opposite shows the minimum

space required to service the boiler only.

Unvented compartment clearances. See Fig. b.

The diagram opposite shows the minimum

space required to install and service the boiler

inside an unvented compartment.

*Space required for unvented areas with a

removable door or panel.

**This space can be reduced to 50mm for one

side only as long as both the side clearances

add up to the total of both the side

measurements shown or more.

Airing cupboard clearances. See Fig. c.

The diagram opposite shows the minimum

space required to install and service the boiler

within an airing cupboard.

Venting compartments. See Fig. d.

If the clearances are less than those stated for

options c & d then ventilation must be provided

as described in BS5440:

A minimum of 2 air vents (C) must be fitted,

one at low level and another at high level onto

the same wall using the same air for circulation.

Minimum free air required for both vents:

For air directly from outside: 148cm2per vent.

For air from internal space/room: 296cm2per vent.

GENERAL NOTES

Fig. a.

Fig. b.

Fig. c.

Fig. d.

INTRODUCTION

CONTROLS

1. INDICATOR LAMP FOR “OFF/ON”

“INSTALLER SERVICE FUNCTION” BUTTON

(For use only by service engineer)

3. RESET BUTTON

4. DISPLAY

5. SERVICE BUTTON

6. “ECO” MODE INDICATOR

7. INDICATOR LAMP FOR “BURNER ON”

8. MASTER SWITCH

9. CENTRAL HEATING

TEMPERATURE CONTROL

10. HOT WATER TEMPERATURE

CONTROL

11. SYSTEM PRESSURE GAUGE

12. FILLING LOOP CONNECTION

123 4 5 67

8910

REMOVE THE BOILER CASING FRONT PANEL

TO GAIN ACCESS TO THE SYSTEM PRESSURE

GAUGE & FILLING LOOP CONNECTION

LIFT

2. PULL

CONTROLS

WORCESTER BOSCH GREENSTAR HIGHFLOW 440

6 720 611 731a (08.04)

USING YOUR

APPLIANCE

SWITCHING THE APPLIANCE ON/OFF

Switching on

Switch on the appliance at the master switch (I).

The indicator lamp shows green and the

display will show the central heating flow

temperature, when the appliance is operating

in the central heating mode.

Note: If the display alternates between -II-&

the central heating flow temperature, the

condensate trap filling programme is active. If

the display shows “t” the tank heat up

programme is running.

The condensate trap filling programme ensures

that the condensate trap is filled after the

appliance has been installed or after the appliance

has been out of use for a long period. For that

reason, the appliance remains at minimum heating

output for approximately 15 minutes.

Switching off

Switch off the appliance at the master switch (0).

The green indicator lamp goes out. The

display on the optional timer (if fitted) will

continue to operate until the battery back-up

is exhausted.

SETTING THE CENTRAL HEATING TEMPERATURE

Turn the central heating temperature control

to the desired level:

When the burner is lit, the red indicator lamp is

illuminated.

CONTROLLING CENTRAL HEATING

Set the timer (if fitted) to the correct time.

Set room thermostat to the desired room

temperature.

Set temperature driven control unit, if fitted.

Refer to the instructions with the control.

Set the thermostatic radiator valves to the

desired settings.

OPERATING THE APPLIANCE

Control Setting Water Temperature

Anti-clockwise limit approx. 35°C

'E' approx. 75°C

Clockwise limit approx. 88°C

OPERATING THE APPLIANCE WORCESTER BOSCH GREENSTAR HIGHFLOW 440

6 720 611 731a (08.04)

USING YOUR

APPLIANCE

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