Bosch Appliances 12/18, 18/25, 25/32kW Combustion Chamber, Hor Plan sectional view

Page 23

COMBUSTION CHAMBER

F E

4

A

B

2

3 1

Combustion chamber:

1Release retaining nuts and washers (B).

Remove combustion chamber access door (A).

2Ensure the baffles (C) and baffle retainer

(D)are correctly fitted for the boiler output as shown in the plan views opposite.

3Refit combustion chamber door (A). Secure with nuts and washers (B) and tighten until the door is firmly secured, do not over tighten the nuts.

4Unscrew screws (E) and remove flue manifold access cover (F).

5Check that all the baffles (G) and baffle retainer (H) or ( J ) are correctly fitted to the secondary heat exchanger.

5

INSTALLATION

G

Hor

J

Plan sectional view

Plan sectional view

12/18 & 18/25kW

25/32kW

 

C

C

 

D

D

FRONT

FRONT

Hook the retainer ( J ) over the end two baffles

22

INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE EXTERNAL 12/18-18/25-25/32 8 716 113 389b (09/07)

COMBUSTION CHAMBER

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Contents Greenstar Heatslave External 12/18, 18/25, 25/32kW Installation & Servicing Instructions Installation & Servicing InstructionsContents OIL SMELLS, Leaks or Fumes from the Appliance Safety PrecautionsInstallation Regulations Safety Precautions Installation RegulationsStandard Package General InformationGeneral Information BSP Technical DataTechnical Data DescriptionLayout & Components Layout & ComponentsCleaning Primary Systems Cleaning Primary SystemsElectric Supply Mains SuppliesMains Supplies Mains Water Expansion VesselHead OIL SupplyOIL Supply G JWater Systems & Pipework Water Systems & PipeworkDomestic HOT Water Filling Primary Sealed SystemsSHOWERS/BIDETS Pressure Relief Pipework Condensate Pressure Relief PipeworkCondensate Pressure Relief Pipework Condensate PipeworkFront Boiler Location ClearancesBoiler Location ClearancesTerminal Position Cabinet Mounted LOW Level Flue Terminal PositionsCabinet Mounted LOW Level Flue Terminal Positions Positions High Level Flue TerminalPositions High Level Flue TerminalAC D Balanced External Oilfit Flue OptionsBalanced External Oilfit Flue OptionsBalanced Flue Options Cabinet Mounted BalancedHorizontal Flue Options Unpacking the Boiler Lifting and Carrying PrecautionsUnpacking the Boiler Pipework & Flue Positions SafetyPipework & Flue Positions Boiler Installation Boiler InstallationInstallation Notes Flue InstallationFlue Installation Hook the retainer J over the end two baffles Combustion ChamberCombustion Chamber Hor Plan sectional viewOIL Supply Connections Pipework ConnectionsPipework Connections Water ConnectionsPressure Relief Connection Condensate ConnectionOIL Pump OIL Burner & PumpOIL Burner & Pump OIL BurnerPlug burner lead E into control box F Refitting ComponentsRefitting Components Electrics MainsProgrammer External Electrics BoardWhite Br BrownBlue Green/Yellow RedChecks Appliance PRE-COMMISSIONING Checks AppliancePRE-COMMISSIONING Filling the System Filling the SystemSafely dispose of the container/discharge Starting the ApplianceStarting the Appliance Holder with oil Pressure adjustment Vacuum gauge port 25/32Boiler lockout indicator on Bleed & pressure gauge portBurner should be OFF and the circulating pump on Set the room thermostat to minimum Central heating Open all radiator valvesPump and all radiators Water TreatmentWater Treatment Appliance Finishing CommissioningFinishing Commissioning Loosen clip D to detach air duct Inspection and ServiceInspection and Service Routine servicingAny debris and clean if necessary Clean the Burner3.0mm Clean both sides of the fan impeller Thoroughly clean any depositsFront 12.0 22.2 50 80EH11.5 18.6 55 80EHBurner Sterling Short Parts List 12/18Short Parts List 12/18 Auto reset High Limit thermostat Part Number 8 716 107 640Manifold access cover seal Short Parts List 18/25Short Parts List 18/25 Short Parts List 25/32 Short Parts List 25/32Fault Finding Fault FindingOIL Smells Problem Cause RemedyFaulty Boiler Operation Noisy operation Pump noise from air in pump orMeasure all 230V tests between Neutral N and the pin, wire orBase of the control box before replacing any components Control BOX Logic for 535 SE/LD RDB Fault FindingElectrical SchematicOIL Boiler Combustion Record Service 1 Date Excellence Comes AS Standard General checks

25/32kW, 12/18, 18/25 specifications

Bosch Appliances has carved out a reputation for engineering high-performance heating solutions, particularly with their range of heating systems including the 18/25, 12/18, and 25/32 kW models. These systems are designed to meet the diverse needs of residential and commercial spaces while maintaining energy efficiency and sustainability.

The Bosch 18/25 kW model excels in providing an optimal heating solution for medium to large residential properties. It is equipped with a highly efficient condensing boiler that extracts additional heat from flue gases, achieving significant energy savings. The built-in, user-friendly interface allows for easy programming and monitoring, which maximizes user convenience.

The 12/18 kW model provides a versatile opportunity for smaller homes or apartments. Its compact design ensures that it fits seamlessly into tighter spaces without sacrificing performance. The unit operates quietly, making it an excellent choice for residential areas where noise can be a concern. Additionally, it features the latest modulation technology, optimizing energy usage and maintaining consistent temperatures.

Finally, the 25/32 kW model is ideal for larger installations, offering robust performance even in high-demand scenarios. This model benefits from advanced heating management systems that enable intelligent control of heating zones, ensuring efficiency and comfort throughout the property. With its enhanced energy rating, the 25/32 kW model significantly reduces the carbon footprint, aligning with modern sustainability goals.

Across the board, Bosch Appliances integrates advanced technologies such as intelligent diagnostics, smart home compatibility, and eco-friendly materials. All models are constructed with durability in mind, featuring corrosion-resistant heat exchangers and high-quality components designed for longevity.

The customer-focused features, including comprehensive warranty packages and responsive customer service, further exemplify Bosch's commitment to quality. Overall, Bosch Appliances 18/25, 12/18, and 25/32 kW heating systems stand out for their innovative technology, efficient performance, and reliability, making them an excellent choice for those looking to upgrade their heating solutions.
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