Bosch Appliances 12/18, 18/25, 25/32kW instruction manual Central heating Open all radiator valves

Page 35

1

max

max

flue

boiler

reset

reset

CD

2

max

max

flue

boiler

reset

reset

3

max

max

flue

boiler

reset

reset

CD

on

service

lockout

GREENSTAR HEATSLAVE EXTERNAL

E

on

service

lockout

GREENSTAR HEATSLAVE EXTERNAL

E

on

service

lockout

GREENSTAR HEATSLAVE EXTERNAL

E

STARTING THE APPLIANCE

Central heating:

1Open all radiator valves.

Set room thermostat to maximum. Set programmer to ON for CH.

Turn the DHW thermostat control (C) fully anti-clockwise.

Turn the CH thermostat control (D) to max.

The burner should be ON with the circulating pump. The diverter valve (E) should open to port B for CH.

Ensure all radiators are heating up evenly and balance the system to the temperature difference required across the heating flow and return relevant to the heating load.

2Set the room thermostat to minimum.

The burner and circulating pump should be off. The diverter valve (E) should return to port A for DHW (default).

Domestic hot water & central heating:

3Set the room thermostat to maximum.

Set the programmer to ON for DHW & CH. Turn the DHW thermostat control (C) fully anti-clockwise.

Set the CH thermostat control (D) to max.

The burner should be ON with the circulating pump. The diverter valve (E) should open to port B for CH.

4 Set the DHW thermostat control (C) to max.

 

The diverter valve (E) should move to port A

 

and divert the flow to the Heatslave tank.

COMMISSIONING

 

4

max

max

on

service

 

 

lockout

flue

boiler

 

reset

reset

GREENSTAR HEATSLAVE EXTERNAL

 

 

CD

E

34

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

STARTING THE APPLIANCE

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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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