Bosch Appliances 25/32kW, 18/25, 12/18 Unpacking the Boiler, Lifting and Carrying Precautions

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IIMPORTANT: All the previous Pre-Installation sections must be read and requirements met before starting boiler or flue installation.

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UNPACKING THE BOILER

LIFTING AND CARRYING PRECAUTIONS:

•Lift only a manageable weight, or ask for help.

•When lifting or putting things down, bend the knees, and keep the back straight and feet apart.

•Do not lift and twist at the same time.

•Lift and carry objects close to the body.

•Wear protective clothing and gloves to protect from any sharp edges.

Unpacking:

It is advised that two or more persons are involved in the transfer of the packaged boiler from the van to the point of delivery.

1Once the packaged boiler has been delivered, the outer carton is removed first. Care should be taken when releasing the straps. If a sharp implement is used make sure the outer carton is not pierced and that the implement is used in such a way so that it may not cause personal injury. All sharp objects must be covered or the blade retracted after use and put away in a safe place.

2Lift carton up and away from the boiler.

Remove the plastic bag from the boiler and place safely aside.

INSTALLATION

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

UNPACKING THE BOILER

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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 RegulationsGeneral Information General InformationStandard Package 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 & PipeworkSHOWERS/BIDETS Filling Primary Sealed SystemsDomestic HOT Water Pressure Relief Pipework Condensate Pressure Relief PipeworkCondensate Pressure Relief Pipework Condensate PipeworkFront Boiler Location ClearancesBoiler Location ClearancesCabinet Mounted LOW Level Flue Terminal Positions Cabinet Mounted LOW Level Flue Terminal PositionsTerminal Position Positions High Level Flue TerminalPositions High Level Flue TerminalAC D Balanced External Oilfit Flue OptionsBalanced External Oilfit Flue OptionsHorizontal Flue Options Cabinet Mounted BalancedBalanced Flue Options Unpacking the Boiler Lifting and Carrying PrecautionsUnpacking the Boiler Pipework & Flue Positions SafetyPipework & Flue Positions Boiler Installation Boiler InstallationFlue Installation Flue InstallationInstallation Notes 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 BurnerRefitting Components Refitting ComponentsPlug burner lead E into control box F Electrics MainsProgrammer External Electrics BoardWhite Br BrownBlue Green/Yellow RedPRE-COMMISSIONING PRE-COMMISSIONING Checks ApplianceChecks Appliance Filling the System Filling the SystemStarting the Appliance Starting the ApplianceSafely dispose of the container/discharge 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 valvesWater Treatment Water TreatmentPump and all radiators Finishing Commissioning Finishing CommissioningAppliance 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 640Short Parts List 18/25 Short Parts List 18/25Manifold access cover seal 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 orBase of the control box before replacing any components Neutral N and the pin, wire orMeasure all 230V tests between 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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