Page 2 - CONTACT INFORMATION
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.c...
Page 3 - CONTENTS; INTRODUCTION
CONTE NTS WORCESTER BOSCH GREENSTAR HIGHFLOW 4406 720 611 731a (08.04) 1 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 cen...
Page 4 - EXCE LLE NCE COM ES AS STAN DAR D; EXCELLENCE COMES AS STANDARD; INTRODUC
EXCE LLE NCE COM ES AS STAN DAR D WORCESTER BOSCH GREENSTAR HIGHFLOW 440 6 720 611 731a (08.04) 2 EXCELLENCE COMES AS STANDARD Thank you for purchasing a Greenstar Highflow440 gas-fired condensing boiler manufacturedby Worcester Bosch. The company prides itselfon manufacturing boilers to the stricte...
Page 5 - SAFETY PR ECAUTIONS; IF YOU SMELL FUMES FROM THE APPLIANCE:; SAFETY PRECAUTIONS
SAFETY PR ECAUTIONS WORCESTER BOSCH GREENSTAR HIGHFLOW 4406 720 611 731a (08.04) 3 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: S...
Page 6 - G E N E RAL NOTES; GENERAL NOTES
G E N E RAL NOTES WORCESTER BOSCH GREENSTAR HIGHFLOW 440 6 720 611 731a (08.04) 4 To get the best from your appliance please readthese instructions carefully SEALED HEATING SYSTEMS The appliance is fitted to a sealed heatingsystem which is pressurised. Your installer willtell you of the minimum and ...
Page 7 - HOT AND COLD FLOW
G E N E RAL NOTES WORCESTER BOSCH GREENSTAR HIGHFLOW 4406 720 611 731a (08.04) 5 HOT AND COLD FLOW The flow of water demanded from both hot andcold service outlets is dependent on the mainssupply, it may not be possible in someinstallations to operate all outletssimultaneously. WATER MAINS FAILURE I...
Page 8 - BOILER LOCATION AND CLEARANCES; Minimum clearances must be maintained.; Minimum free air required for both vents:; For air directly from outside: 148cm
BOILER LOCATION AND CLEARANCES WORCESTER BOSCH GREENSTAR HIGHFLOW 440 6 720 611 731a (08.04) 6 BOILER LOCATION AND CLEARANCES This boiler is only suitable for installing internallywithin a property at a suitable location onto afixed, rigid non-combustable surface at least thesame size of the boiler ...
Page 9 - CONTROLS; SIN
CONTROLS 1. INDICATOR LAMP FOR “OFF/ON” 2. “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 HEATINGTEMPERATURE CONTROL 10. HOT WATER TEMPERATURE CON...
Page 10 - II; OPERATING THE APPLIANCE; OPE RATI NG TH E 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 operatingin the central heating mode. Note: If the display alternates between - II - &a...
Page 11 - Clockwise limit; “ECO” indicator
SETTING THE HOT WATER TEMPERATURE Hot water temperature The hot water temperature can be set tobetween approx. 45°C and 65°C using thetemperature control The domestic hot water temperature is notshown on the display. Control Setting Water Temperature Anti-clockwise limit approx. 45°C ● approx. 58°C ...
Page 12 - Leave master switch switched on.; FAULT CONDITION; If the button flashes:
SUMMER MODE, HOT WATER ONLY With room temperature controller fitted Turn temperature control on the appliance anti-clockwise as far as the stop. The central heating is now turned off. The hotwater function and the power supply for the programmer and thermostat remain switched on. FROST PROTECTION Le...
Page 13 - Heating economically; TIPS ON ENERGY SAVING; TI PS ON E N E RGY SAVI NG; ENER
Heating economically The boiler is designed to provide a high level ofcomfort while keeping gas consumption and theresulting environmental effect as low aspossible. The gas supply to the burner iscontrolled according to the level of demand forheat. The boiler continues to operate with a lowflame if ...
Page 14 - Room thermostats; New control systems
Roof insulation Around 30% of the heat loss from a property isthrough the roof. Replace any old insulationwith new insulation, preferably of around200mm thickness or more. Window frames Single glazed windows, particularly those withsteel frames, can lose a great deal of heat.Consideration should be ...
Page 15 - Radiators
Radiators More often than not radiators will be sitedunderneath a window, so the warm air from theradiator heats the colder incoming air from thewindow. The performance of the radiator will beaffected if the curtains are allowed to drapeover the radiator or shelves are fitted above it.The positionin...
Page 16 - MAINTAINING YOUR APPLIANCE; MAI NTAI N I NG YOU R APPLIANCE; MAI
Your new Greenstar Highflow 440 gas-firedappliance represents a long term investment ina reliable, high quality product. In order to realise its maximum working life, andto ensure it continues to operate at peakefficiency and performance, it is essential thatyour boiler receives regular, servicing a...
Page 17 - FAULT FINDING; Problem; Check setting; FAU LT FI N DI NG
FAULT FINDING Problem Cause Remedy Switch off appliance atmaster switch, wait a fewseconds then switch onagain Check setting Desired roomtemperature is notreached Thermostatic radiatorvalve(s) set too low Temperature control forCH flow on boiler set toolow Air trapped in heatingsystem Desired roomte...
Page 18 - FAULT OR BREAKDOWN; FAU LT OR B R EAKDOWN
This appliance is supported in the UK byWorcester Heat Systems Ltd. - part of theBosch Group. Specialist factory trained Service Engineers areavailable to attend a breakdown occurring onthis appliance. No charge will be made for parts and/orlabour providing: An appliance fault is found and the appli...
Page 19 - YOUR GUARANTEE; YOU R G UARANTE E; ARANTE
This appliance is guaranteed against faultymaterial or workmanship for a period of 24calendar months from the date of installationsubject to the following terms and conditions. During the period of this guarantee any components of the unit which are proven to be faulty or defective in manufacture wi...
Page 20 - This does not affect your statutory rights.; GUARANTEE REGISTRATION; Model; Date of installation; G UARANTE E R EG ISTRATION
You should complete and return the postpaidGuarantee Registration Card within 14 days ofpurchase. Returning the card will register you as theowner of your new Greenstar Highflow 440appliance and will assist us in maintaining aneffective and efficient customer service byestablishing a reference and p...