Bosch Appliances 25/32kW, 18/25, 12/18 instruction manual Electrical, Schematic

Bosch Appliances 12/18, 18/25, 25/32kW Br Brown, Blue Green/Yellow, Red, White, Grey, Bk Black, Orange Pk Pink Bosch Appliances 18/25, 25/32kW, 12/18 instruction manual PRE-COMMISSIONING Checks Appliance, Pre-Commissioning Bosch Appliances 25/32kW, 18/25, 12/18 instruction manual Filling the System Bosch Appliances 12/18, 18/25, 25/32kW instruction manual Starting the Appliance, Safely dispose of the container/discharge Bosch Appliances 18/25 Bleed & pressure gauge port, Pressure adjustment Vacuum gauge port 25/32, Holder with oil, 40900 Bosch Appliances 25/32kW, 18/25, 12/18 instruction manual Burner should be OFF and the circulating pump on Bosch Appliances 12/18, 18/25, 25/32kW Central heating Open all radiator valves, Set the room thermostat to minimum Bosch Appliances 18/25, 25/32kW, 12/18 instruction manual Water Treatment, Pump and all radiators Bosch Appliances 25/32kW, 18/25, 12/18 instruction manual Finishing Commissioning, Appliance Bosch Appliances 12/18, 18/25, 25/32kW Inspection and Service, Routine servicing, Loosen clip D to detach air duct Bosch Appliances 18/25 Clean the Burner, Fan impeller, These parts and replace if necessary, Freely, Remove the nozzle E Bosch Appliances 25/32kW, 18/25, 12/18 instruction manual Front Bosch Appliances 12/18 50 80EH, 11.5 18.6, 55 80EH, 12.0 22.2, 65 80EH, 12.5 25.8, Back of this manual and a CD11 or an Bosch Appliances 18/25, 25/32kW instruction manual Short Parts List 12/18, Burner Sterling, Flexible oil line kit Bosch Appliances 25/32kW, 12/18 instruction manual Short Parts List 18/25, Manifold access cover seal Bosch Appliances 12/18, 18/25, 25/32kW instruction manual Short Parts List 25/32 Bosch Appliances 18/25, 25/32kW, 12/18 instruction manual Fault Finding Bosch Appliances 25/32kW Problem Cause Remedy, Faulty Boiler Operation, Noisy operation Pump noise from air in pump or Bosch Appliances 12/18, 18/25 Base of the control box before replacing any components, Measure all 230V tests between Bosch Appliances 18/25, 25/32kW, 12/18 instruction manual 535 SE/LD RDB Fault Finding, Control BOX Logic for Bosch Appliances 25/32kW, 18/25, 12/18 instruction manual Electrical, Schematic Bosch Appliances 12/18, 18/25, 25/32kW instruction manual OIL Boiler Combustion Record Bosch Appliances 18/25, 25/32kW, 12/18 instruction manual Service 1 Date Bosch Appliances 25/32kW, 18/25, 12/18 instruction manual General checks, Excellence Comes AS Standard
Page 49

INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE EXTERNAL 12/18-18/25-25/32 8 716 106 252b (07/06ELECTRICAL

MAINS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

X1 (PIN 5)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

LOCKOUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BOILER MODE

 

 

 

 

 

 

 

 

 

INDICATOR

 

 

 

 

X1 (PIN 6)

INDICATOR

 

 

 

 

 

 

 

 

X11 (PIN 2)

X11 (PIN 3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1

X12 (PIN 3)

 

 

 

 

 

X9 (PIN 1)

X9 (PIN 2)

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X7 (PIN 1)

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

X3 (PIN 3 (L))

white

brown

 

X7 (PIN 4)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FROST THERMOSTATS

 

 

 

 

 

 

4

 

 

 

X7 (PIN 3)

PUMP

 

 

 

 

 

 

 

 

 

 

 

 

brown

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X2 (FR)

 

RELAY 1

 

 

 

 

 

3

 

 

 

N

 

X8 (PIN 6)

 

 

 

X2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MODE

X2 (FR)

 

4

 

 

 

 

 

 

 

 

 

 

 

MOTORISED

 

(FS)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X8 (PIN 3)

 

 

SWITCH

PROGRAMMER

 

1

X8 (PIN 5)

 

 

X8 (PIN 2)

N RELAY 2

 

 

brown

 

DIVERTER

 

 

 

X2

 

 

 

 

 

 

 

VALVE X8 (PIN 4)

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

X1 (PIN 1)

CH

grey

(NS)

orange

 

 

grey

 

 

 

 

 

 

 

 

 

 

N

 

DIVERTER

 

4

 

 

 

LOCKOUT

 

 

 

brown

X4 (PIN 1)

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X2

 

END SWITCH

 

3

 

 

 

RESET SWITCH

N

 

 

X4 (PIN 3)

white

(LS)

X2

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

SERVICE

DHW

X4 (PIN 2)

 

(LR)

 

 

 

 

 

 

 

 

white

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

CONNECTION

 

 

LINK

 

 

 

 

 

 

 

 

grey

 

grey

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FUSE F1

 

 

(REMOVE)

 

X10 (PIN 3)

 

 

X10 (PIN 1)

 

 

 

 

4

BURNER

 

 

 

 

ROOM

 

 

 

 

 

X12 (PIN 4)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.15A

 

 

 

white

3

2

white

 

 

 

 

 

 

2

 

 

 

 

 

THERMOSTAT

N

 

 

 

 

 

red

 

 

 

FAST

 

 

DHW CONTROL

RELAY

X13 (PIN 1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CERAMIC

 

 

 

 

THERMOSTAT

3

N

 

yellow

 

PLUG IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

CONNECTOR

 

 

 

 

 

 

 

 

 

 

 

 

X13 (PIN 3)

2

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

pink

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 (C)

 

CENTRAL HEATING

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X13 (PIN 2)

 

 

CONTROL THERMOSTAT

 

 

 

 

 

 

X6 (PIN 2)

 

 

X6 (PIN 4)

 

 

orange

orange

 

 

 

 

 

X1 (PIN 3)

 

 

 

 

 

 

 

 

RELAY

(C) 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

brown

 

 

blue

 

 

4

 

AUTO RESET HIGH LIMIT

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

WATER FLOW

 

 

 

 

THERMOSTAT

 

 

 

 

 

 

 

R1 C1 N

NO

2

NC

 

 

 

C1

 

 

 

SWITCH

 

 

red

 

 

 

 

N

 

 

 

 

MANUAL RESET BOILER

 

 

 

 

 

 

 

 

OVERHEAT THERMOSTAT

 

X13 (PIN 5)

grey

 

 

 

 

 

red

 

 

 

 

 

X3 (PIN 3)

 

 

 

 

MANUAL RESET FLUE

 

 

 

 

 

 

 

 

 

OVERHEAT THERMOSTAT

 

 

 

 

 

ELECTRICAL

X8 (PIN 1)

red

SCHEMATIC

48

LIVE SUPPLY FOR ALTERNATIVE DIVERTER VALVE

FAULT FINDING

& DIAGRAMS

SCHEMATIC

Page 48 Page 50
Image 49 Bosch Appliances 25/32kW, 18/25, 12/18 instruction manual Electrical, Schematic
Page 48 Page 50
Contents Greenstar Heatslave External 12/18, 18/25, 25/32kW Installation & Servicing Instructions Installation & Servicing InstructionsContents Installation Regulations Safety PrecautionsSafety Precautions Installation Regulations OIL SMELLS, Leaks or Fumes from the ApplianceGeneral Information General InformationStandard Package Technical Data Technical DataDescription BSPLayout & Components Layout & ComponentsCleaning Primary Systems Cleaning Primary SystemsMains Supplies Mains SuppliesMains Water Expansion Vessel Electric SupplyOIL Supply OIL SupplyG J HeadWater Systems & Pipework Water Systems & PipeworkSHOWERS/BIDETS Filling Primary Sealed SystemsDomestic HOT Water Condensate Pressure Relief Pipework Condensate Pressure Relief PipeworkCondensate Pipework Pressure Relief PipeworkBoiler Location Boiler Location ClearancesClearances FrontCabinet Mounted LOW Level Flue Terminal Positions Cabinet Mounted LOW Level Flue Terminal PositionsTerminal Position Positions High Level Flue TerminalHigh Level Flue Terminal PositionsBalanced External Oilfit Balanced External Oilfit Flue OptionsFlue Options AC DHorizontal 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 Combustion Chamber Combustion ChamberHor Plan sectional view Hook the retainer J over the end two bafflesPipework Connections Pipework ConnectionsWater Connections OIL Supply ConnectionsPressure Relief Connection Condensate ConnectionOIL Burner & Pump OIL Burner & PumpOIL Burner OIL PumpRefitting Components Refitting ComponentsPlug burner lead E into control box F Programmer External Electrics MainsBoard ElectricsBlue Green/Yellow Br BrownRed WhitePRE-COMMISSIONING PRE-COMMISSIONING Checks ApplianceChecks Appliance Filling the System Filling the SystemStarting the Appliance Starting the ApplianceSafely dispose of the container/discharge Boiler lockout indicator on Pressure adjustment Vacuum gauge port 25/32Bleed & pressure gauge port Holder with oilBurner 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 Inspection and Service Inspection and ServiceRoutine servicing Loosen clip D to detach air duct3.0mm Clean both sides of the fan impeller Clean the BurnerThoroughly clean any deposits Any debris and clean if necessaryFront 11.5 18.6 50 80EH55 80EH 12.0 22.2Short Parts List 12/18 Short Parts List 12/18Auto reset High Limit thermostat Part Number 8 716 107 640 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 FindingFaulty Boiler Operation Problem Cause RemedyNoisy operation Pump noise from air in pump or OIL SmellsBase 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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