Bosch Appliances 18/25, 25/32kW, 12/18 PRE-COMMISSIONING Checks Appliance, Pre-Commissioning

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COMMISSIONING

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3

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5

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12/18 & 18/25

0.6

0.5

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Bar

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0200 400 600 800 1000 1200 1400 1600

Litres per hour

25/32

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0200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400

Litres per hour

PRE-COMMISSIONING CHECKS -

APPLIANCE

CAUTION: ISOLATE THE MAINS SUPPLIES BEFORE STARTING ANY WORK AND OBSERVE ALL RELEVANT SAFETY PRECAUTIONS.

1Check that the service and water pipes are connected correctly.

Check that all unused sockets are capped.

2Check that the oil supply is kerosene and that the pipework is connected correctly to the oil pump via the supplied flexible oil hose.

Turn on the main oil supply valve at the tank, check the oil supply pipework and connections. Rectify any leaks.

3Check the flue is correctly fitted and the connections are secure.

4Check the condensate pipework is correctly fitted and connected.

Check the condensate trap is filled with water.

5Check the CH circulating pump is set to 3.

NOTE: The CH circulating pump is preset to number 3 and should not be altered. The diagrams opposite show the pump outputs.

NOTE: The cabinet is not load bearing, it only provides weather protection for the boiler inside.

IMPORTANT: If the boiler is not to be commissioned immediately then:

After successfully completing all of the checks and any rectification work, close the water valves, shut off the oil supply and electrically isolate the boiler.

Complete the installation part of the Guarantee Registration Card, and complete a CD10 or its equivalent, to inform the LABC of the installation.

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PRE-COMMISSIONING

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

CHECKS - APPLIANCE

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Contents Greenstar Heatslave External 12/18, 18/25, 25/32kW Installation & Servicing Instructions Installation & Servicing InstructionsContents Safety Precautions Installation Regulations Safety PrecautionsInstallation Regulations OIL SMELLS, Leaks or Fumes from the ApplianceGeneral Information General InformationStandard Package Description Technical DataTechnical Data BSPLayout & Components Layout & ComponentsCleaning Primary Systems Cleaning Primary SystemsMains Water Expansion Vessel Mains SuppliesMains Supplies Electric SupplyG J OIL SupplyOIL Supply HeadWater Systems & Pipework Water Systems & PipeworkFilling Primary Sealed Systems SHOWERS/BIDETSDomestic HOT Water Condensate Pipework Condensate Pressure Relief PipeworkCondensate Pressure Relief Pipework Pressure Relief PipeworkClearances Boiler Location ClearancesBoiler Location FrontCabinet Mounted LOW Level Flue Terminal Positions Cabinet Mounted LOW Level Flue Terminal PositionsTerminal Position High Level Flue Terminal High Level Flue TerminalPositions PositionsFlue Options Balanced External Oilfit Flue OptionsBalanced External Oilfit AC DCabinet Mounted Balanced Horizontal Flue OptionsBalanced Flue Options Lifting and Carrying Precautions Unpacking the BoilerUnpacking the Boiler Safety Pipework & Flue PositionsPipework & Flue Positions Boiler Installation Boiler InstallationFlue Installation Flue InstallationInstallation Notes Hor Plan sectional view Combustion ChamberCombustion Chamber Hook the retainer J over the end two bafflesWater Connections Pipework ConnectionsPipework Connections OIL Supply ConnectionsCondensate Connection Pressure Relief ConnectionOIL Burner OIL Burner & PumpOIL Burner & Pump OIL PumpRefitting Components Refitting ComponentsPlug burner lead E into control box F Board MainsProgrammer External Electrics ElectricsRed Br BrownBlue Green/Yellow WhitePRE-COMMISSIONING Checks Appliance PRE-COMMISSIONINGChecks Appliance Filling the System Filling the SystemStarting the Appliance Starting the ApplianceSafely dispose of the container/discharge Bleed & pressure gauge port Pressure adjustment Vacuum gauge port 25/32Boiler lockout indicator on Holder with oilBurner should be OFF and the circulating pump on Central heating Open all radiator valves Set the room thermostat to minimumWater Treatment Water TreatmentPump and all radiators Finishing Commissioning Finishing CommissioningAppliance Routine servicing Inspection and ServiceInspection and Service Loosen clip D to detach air ductThoroughly clean any deposits Clean the Burner3.0mm Clean both sides of the fan impeller Any debris and clean if necessaryFront 55 80EH 50 80EH11.5 18.6 12.0 22.2Auto reset High Limit thermostat Part Number 8 716 107 640 Short Parts List 12/18Short Parts List 12/18 Burner SterlingShort Parts List 18/25 Short Parts List 18/25Manifold access cover seal Short Parts List 25/32 Short Parts List 25/32Fault Finding Fault FindingNoisy operation Pump noise from air in pump or Problem Cause RemedyFaulty Boiler Operation OIL SmellsNeutral N and the pin, wire or Base of the control box before replacing any componentsMeasure all 230V tests between 535 SE/LD RDB Fault Finding Control BOX Logic forSchematic ElectricalOIL Boiler Combustion Record Service 1 Date General checks Excellence Comes AS Standard

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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