1. DL manuals
  2. Worcester
  3. Boiler
  4. 41-311-63
  5. User Instructions & Customer Care Manual

Worcester 41-311-63 User Instructions & Customer Care Manual

Manual is about: WALL HUNG GAS-FIRED CONDENSING COMBINATION BOILER

Summary of 41-311-63

  • Page 1

    Greenstar 24i junior / 28i junior wall hung gas-fired condensing combination boiler for sealed central heating systems & domestic hot water user instructions & customer care guide this appliance is for use with natural gas or lpg (cat ii 2h3p type c13 & c33) 24i junior natural gas: 47 311 86 24i jun...

  • Page 2: Plumbnation.Co.Uk

    The nation’s favourite for plumbing & heating supplies secure payments shop online with confidence free shipping on all orders over £100 to mainland uk finance available spread the cost with low interest rates price match always get the best deals available boilers radiators heating controls pipes &...

  • Page 3

    Contact information worcester bosch: technical: 08705 266241 service: 08457 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 4

    Contents worcester bosch greenstar 24i/28i junior 8 716 107 338b (11.05) 1 contents introduction excellence comes as standard 2 safety precautions 3 general notes 4 using your appliance controls 6 operating the appliance 7 switching the appliance on/off 7 setting the central heating temperature 7 co...

  • Page 5

    Excellence comes as standard worcester bosch greenstar 24i/28i junior 8 716 107 338b (11.05) 2 excellence comes as standard thank you for purchasing a greenstar 24i junior / 28i junior gas-fired condensing combination boiler manufactured by worcester bosch. The company prides itself on manufacturing...

  • Page 6

    Safety precautions worcester bosch greenstar 24i/28i junior 8 716 107 338b (11.05) 3 if you smell gas: ✗ don’t smoke or strike matches ✗ don’t turn electrical switches on or off ✓ do put out naked flames ✓ do open doors and windows ✓ do keep people away from the area affected ✓ do turn off the contr...

  • Page 7

    General notes worcester bosch greenstar 24i/28i junior 8 716 107 338b (11.05) 4 to get the best from your appliance please read these instructions carefully. Sealed heating systems this appliance is fitted to a sealed heating system which is pre-pressurised. Your installer will advise you of the min...

  • Page 8

    Safety precautions worcester bosch greenstar 24i/28i junior 8 716 107 338b (11.05) 5 boiler clearances - unventilated compartment the diagram opposite shows the minimum space required to install and service the boiler inside an unventilated compartment. ** space required for unventilated areas with ...

  • Page 9

    Controls worcester bosch greenstar 24i/28i junior 8 716 107 338b (11.05) 6 controls 1. Master switch for on/off 2. Central heating temperature control 3. Mains on/off indicator + fault diagnostic light 4. Burner on indicator light (green) 5. Eco button (domestic hot water pre-heat on/off) 6. Fault r...

  • Page 10

    Operating the appliance worcester bosch greenstar 24i/28i junior 8 716 107 338b (11.05) 7 switching the appliance on/off switching on switch on the appliance by pressing the master switch. The indicator light shows blue switching off switch off the appliance by pressing the master switch. The blue i...

  • Page 11

    Hot water temperature the hot water temperature is fixed at 55°c and can not be adjusted. Domestic hot water pre-heat pre-heat reduces the time taken to produce hot water at the tap and is controlled by the eco button. Press the eco button to select either: when the eco button is not illuminated the...

  • Page 12

    Fault condition in the unlikely event of a fault occurring while the appliance is in operation: the reset button will flash once per second and the mains indicator (blue light) will flash at different speeds dependent on fault. To reset boiler press the reset button. The reset button will no longer ...

  • Page 13

    Heating economically the boiler is designed to provide a high level of comfort while keeping gas consumption and the resulting environmental effect as low as possible. The gas supply to the burner is controlled according to the level of demand for heat. The boiler continues to operate with a low fla...

  • Page 14

    Roof insulation around 30% of the heat loss from a property is through the roof. Replace any old insulation with new insulation, preferably of around 200mm thickness or more. Window frames single glazed windows, particularly those with steel frames, can lose a great deal of heat. Consideration shoul...

  • Page 15

    Radiators more often than not radiators will be sited underneath a window, so the warm air from the radiator heats the colder incoming air from the window. The performance of the radiator will be affected if the curtains are allowed to drape over the radiator or shelves are fitted above it. The posi...

  • Page 16

    Your new greenstar 24i junior / 28i junior gas- fired appliance represents a long term investment in a reliable, high quality product. In order to realise its maximum working life, and to ensure it continues to operate at peak efficiency and performance, it is essential that your boiler receives reg...

  • Page 17

    Fault finding problem cause remedy switch off appliance at master switch, wait a few seconds then switch on again check setting reduce flow rate at tap desired room temperature is not reached thermostatic radiator valve(s) set too low temperature control for ch flow on boiler set too low air trapped...

  • Page 18

    This appliance is supported in the uk by worcester, bosch group. Specialist factory trained service engineers are available to attend a breakdown occurring on this appliance. No charge will be made for parts and/or labour providing: an appliance fault is found and the appliance has been installed wi...

  • Page 19

    This appliance is guaranteed against faulty material or workmanship for a period of 2 years from the date of installation subject to the following terms and conditions. Your guarantee registration card must be returned within 30 days for the second year of you guarantee to become valid. During the p...

  • Page 20

    You should complete and return the postpaid guarantee registration card within 14 days of purchase. Returning the card will register you as the owner of your new greenstar 24i junior / 28i junior appliance and will assist us in maintaining an effective and efficient customer service by establishing ...

  • Page 21

    User instructions & customer care guide worcester, bosch group cotswold way, warndon, worcester wr4 9sw. Tel. 01905 754624 fax. 01905 754619 www.Worcester-bosch.Co.Uk worcester bosch group is a trading name of bbt thermotechnology uk ltd. 8 716 107 338b (11.05).