Worcester Greenstar Heatslave II External 12/18 User Instructions Download Page 16

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WORCESTER, BOSCH GROUP:

TECHNICAL SUPPORT:

0330 123 3366

APPOINTMENTS:

0330 123 9339

SPARES:

0330 123 9779

LITERATURE:

0330 123 9119

TRAINING:

0330 123 0166

SALES:

0330 123 9669

Worcester, Bosch Group
Cotswold Way, Warndon, Worcester WR4 9SW.
Tel. 0330 123 9559
Worcester, Bosch Group is a brand name of
Bosch Thermotechnology Ltd.

worcester-bosch.co.uk

6 720 813 722 (2014/09)

General checks before calling a Service engineer

1. Oil level in the tank?
2. Power to the boiler?
3. All control settings?

Please read the fault section of the manual before
contacting our service team.

No boiler fault is found on over 30% of
all service call outs.

Summary of Contents for Greenstar Heatslave II External 12/18

Page 1: ...nsing boiler conventional flue and room sealed flue GREENSTAR HEATSLAVE II External ErP 12 18 18 25 25 32 6 720 805 212 00 1TL For sealed central heating systems with mains fed domestic hot water For use with Kerosene Class C2 only 6 720 813 722 2014 09 ...

Page 2: ...umed into heat offering you economical running costs and value for money It sits in ErP heating efficiency 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 G...

Page 3: ...ch can corrode the boiler and invalidate any warranty Fitting and 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 assoc...

Page 4: ...ction manual after each service Have any work carried out only by a competent OFTEC registered engineer Always use original spares to help maintain the efficiency safety and reliability of the appliance 2 3 User caution Itisforbiddenforanyinterferencewiththeapplianceother than those actions allowed in this document 3 Using your boiler 3 1 Controls To access controls To access controls first remove...

Page 5: ...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 heat store temperature control L Diagnostic port service engineer M System pressure gauge N Burner service mode button service engineer 6 720 805 211 01 1TL A B C D E F G H I J K N L M ...

Page 6: ...rm 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 Fig 3 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 ou...

Page 7: ...e 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 homeis unoccupiedtosaveenergy Thetimershouldbesetfor 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 reclaim h...

Page 8: ...ewhenyourboileriscold areaA and thepumpisoff Theindicatedpressurewillchangeasthepump switches on for more accurate readings check pressure when the pump is not running Contact your installer or maintenance engineer if a permanent significant decrease or increase in pressure is indicated on the pressure gauge Filling loop If the sealed system pressure within your system drops to below 0 5 bar shown...

Page 9: ... the table below as an example see figure 8 fault codes E5 and 218 Contact Worcester Bosch Group for assistance and quote any fault codes displayed Fig 8 Boiler stops with no fault code In most cases these fault conditions will clear automatically when the associated fault clears e g waiting for an area of the boiler to cool down If the boiler fails to automatically reset itself after a period of ...

Page 10: ...r stops working blue light and warning triangle flashing and fault code displayed Internal error Press the Reset button and the boiler should restart if not call Worcester Bosch Group quoting fault codes Boiler stops with no fault codes Possible overheat Wait 30 minutes for boiler to cool Boiler stops working blue light and warning triangle flashing and fault codes 9F 855 are displayed Burner lock...

Page 11: ...nstalledonaflatlevelsurfacetoensurethat condensate does not enter the primary heat exchanger The cabinet is not load bearing and only provides weather protection for the boiler inside There must be sufficient hard standing and access around the boiler for servicing Installation servicing clearances Fig 9 WARNING External equipment operating at 230 Volts must not be serviced or repaired during adve...

Page 12: ...e boiler and system Use ofincompatible additives can cause damage andwillinvalidate the boiler guarantee Condensate drain This is a condensing boiler and the terminal will at times give out a plume of water vapour This is quite normal The boiler also produces quantities of condensate which is discharged regularly via a pipe to drain This pipe must not be blocked or altered in any way Clearances Se...

Page 13: ...tainable in any given room is dependent on all radiators being operated at the same time If you decide to turn off radiators in unused rooms spare bedrooms etc you may experienceslightlylowerroomtemperaturesinroomsadjacent to unheated rooms Heating economically The boiler is designed to provide a high level of comfort while keepingoilconsumptionandtheresultingenvironmentaleffect as low as possible...

Page 14: ... supplied by Bosch Thermotechnology Ltd Pleasereadthisguidecarefullytogainagoodunderstandingof the operation of your boiler In the case of a suspected fault refer to the fault finding section of this guide If in doubt contact our Technical Support In the event of an boiler fault or breakdown please contact our Service Department Your service administrator will arrange foranEngineertocallwiththemin...

Page 15: ...Record in the back of the Installation Commissioning and Servicing manual BoschThermotechnology Ltdwillnot accept responsibility fordamagecausedbyfaultyinstallation neglect misuseor accidentaldamage and non observance of theinstructions contained in the Installation and Users Instructions manuals The boiler has been used only for normal domestic purposes for which it was designed This guarantee ap...

Page 16: ...ndon Worcester WR4 9SW Tel 0330 123 9559 Worcester Bosch Group is a brand name of Bosch Thermotechnology Ltd worcester bosch co uk 6 720 813 722 2014 09 General checks before calling a Service engineer 1 Oil level in the tank 2 Power to the boiler 3 All control settings Please read the fault section of the manual before contacting our service team No boiler fault is found on over 30 of all service...

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