Worcester 440CDi Manuel de service

1The Greenstar Highflow CDi gas-firedcondensing combi boiler seriesTechnical and specification informationNEWPRODUCT

1918Flue terminal positioning600mm minimumclearance froma skylight to avertical flue500mmVertical flue clearance 500mmto non-combustible buildingmater

2120Greenstar Highflow CDi combi boilerhorizontal fluing options Greenstar Highflow CDi combis offer a choice of 2 differentsized horizontal RSF flue

2322Greenstar Highflow CDi combi boilervertical fluing options Greenstar Highflow CDi combis offer a choice of 2 differentsized vertical RSF systems,

2524Plume management system optionsStandard plume management systemThe flue terminal outlet has built-in stops to limit rotationfor horizontal fluing

2726Plume management optionsSee tables below for details of components required.*NOTE: You must refer to the table on page 25 to calculateyour horizon

2928Natural gas supplyAppliances, when on a full output demand, will require upto 3.1m3/hr of gas for the 440CDi and 4.4m3/hr of gas forthe 550CDi. Th

3130Greenstar Highflow CDi series accessoriesDT20 twin channeldigital programmerWorcester Part No. 7 716 192 038RT10 room thermostatWorcester Part No.

A complete after-sales serviceAll the technical advice you needSparesGenuine replacement parts for all Worcester boilers arereadily available from sto

The very best training programmes from Worcester Worcester has always placed great emphasis on technicalsupport and training for installers and servic

Worcester, Bosch Group is a brand name of Bosch Thermotechnology Ltd.This leaflet is accurate at the date of printing, but may be superseded and shoul

32Worcester and you. Making a difference.Contents PageThe Greenstar Highflow CDi gas-fired 4 - 7condensing combi boiler seriesOptional plug-in control

54The Greenstar Highflow CDi condensing combi boiler seriesThe Greenstar Highflow CDi series is part of a marketleading range of energy-saving condens

A condensing boiler is more efficient due to its ability toextract more heat from the flue gases normally lost to theenvironment through the flue syst

DT20RF digital RF thermostat with twin channel programmerA wall-mounted RF room thermostat with digital display, combined with a twin channeldigital t

1110Technical data – Greenstar Highflow CDi seriesModelGreenstar Highflow 440CDi Greenstar Highflow 550CDiHeight (mm)850 850Width (mm) 600 600Depth (m

1312Installing the Greenstar Highflow CDi seriesSiting of applianceGeneralThe appliance is not suitable for external installation. Thefloor on which t

1514External condensate pipeworkThe Worcester Greenstar Highflow CDi appliances have acondensate pump rather than a syphonic condensate trap.Rather th

1716Airing cupboard clearancesThe diagram below shows the minimum space required toinstall and service the boiler within an airing cupboard.Venting co