Name: Worcester GR2300iW C
Brand: Worcester
Rating: 5 (1 reviews)

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Bosch Thermotechnology Ltd.

Cotswold Way, Warndon

Worcester WR4 9SW

United Kingdom

Tel. 0330 123 9559

worcester-bosch.co.uk

TECHNICAL SUPPORT: 0330 123 3366

RENEWABLE SUPPORT: 0330 123 9229

CONTROLS AND CONNECTIVITY TEAM: 0330 123 3641

APPOINTMENTS: 0330 123 9339

SPARES: 0330 123 9779

LITERATURE: 0330 123 9119

TRAINING: 0330 123 0166

SALES: 0330 123 9669

Table of Contents2
Explanation of Symbols and Safety Instructions4
Explanation of Symbols4
General Safety Instructions4
Regulations7
Product Information8
Scope of Delivery8
Declaration of Conformity8
Appliance Type Overview9
Product Identification9
Pipe Work Positions and Flue Outlet9
Product Overview10
Product Data for Energy Consumption11
Standard Accessories11
Appliance Accessories11
Programmer/Timer Accessories11
Pre-Installation12
System Preparation12
Artificially Softened Water12
Water Systems and Pipework12
System Layouts Examples13
System Fill14
Mains Supply14
Electrical Supply14
Gas Supply14
Gas Supply15
Water Supply16
Appliance Location and Clearances16
Appliance Location16
Rooms Containing a Bath or Shower17
Appliance Clearances18
Flue Systems Considerations19
Flue Length19
Flue Options20
Plume Management System22
Flue Terminal Positions22
Plume Re-Direct and Plume Management Terminal Positions26
Condensate Discharge28
Condensate Pipework28
Condensate Production28
Internal Connections28
External Connections30
Pressure Relief Discharge33
Pressure Relief Pipework33
Alternative PRV Connections - Combined Prv/Condensate33
Cleaning Primary Systems34
Flushing the System34
Installation35
Position the Appliance36
Mounting Bracket Fixing36
Appliance Connections37
Hanging the Appliance38
Flue Turret/Adaptor Installation39
Electrical Connection40
Installer Connections41
Cable Preparations43
External Controls - Domestic Installations43
Commissioning44
Pre-Commissioning Checks44
Water Treatment44
Filling the Appliance and Adding Inhibitor45
Circulation Pump45
Starting the Appliance46
Control Panel Overview46
Screen Display46
Switching on the Device46
Setting the Flow Temperature47
Setting the DHW Heating47
Setting the Heating Control Device47
After Commissioning47
Setting Summer Mode47
Manual Mode47
Chimney Sweep Mode48
Setting the Appliance to Maximum48
Setting the Appliance to Minimum48
Exiting Chimney Sweep Mode48
Checking Gas Inlet Pressure48
Checking the Gas Rate49
Checking for Gas Leaks During Operation49
CO and Combustion Check50
Checking Flue Integrity51
Flue Gas Analysis51
Finishing Commissioning52
6.12.1 Fitting the Front Panel52
6.12.2 Fitting the Infills52
6.12.3 Appliance/Product Guarantee52
Shutdown53
Setting Frost Protection53
Anti-Seize Protection53
Settings in the Service Menu53
Operating the Service Menu53
Service Functions Overview54
Menu 154
Menu 254
Menu 355
Menu 456
Menu 557
Menu 658
Menu 058
Inspection and Maintenance59
Inspection and Maintenance Considerations59
Service Functions59
Component Access60
Fan Pressure Test60
Checking Heat Exchanger Assembly60
Check Working Gas Inlet Pressure60
Flue Gas Analysis61
Checking the Flue Integrity61
Cleaning the Siphon and Heat Exchanger61
Cleaning the Heat Exchanger61
Cleaning the Siphon64
Setting the Air/Gas Ratio66
Replacement Parts67
Component Access67
Draining the Appliance67
Checking the Strainer in the Cold Water Pipe68
Checking the Plate Heat Exchanger68
Checking the Expansion Vessel68
Adjusting the Operating Pressure of the Heating System68
Removing the Gas Valve69
Removing the Pump69
Removing the Automatic Air Vent Valve69
10.10 Removing the Motor of the Diverter Valve70
10.11 Removing the Heat Exchanger70
10.12 Replacing the Control Unit71
10.13 Replacing the 230V Interface Box71
10.14 Reattaching the Casing on the Side72
Fault Finding and Diagnosis73
General Information73
Fault Code Table74
Pump Operation and Diagnosis84
Faults that Are Not Displayed85
Environmental Protection and Disposal86
Technical Specifications/Logs87
Technical Data87
Component Resistance Characteristics90
Heating Curve90
Internal Wiring of the Appliance91
13.4.1 Electrical Wiring91
Setting Values for Output92
Gas Setting Values (Natural Gas)92
Gas Boiler System Commissioning Checklist and Warranty Validation Record93
Inspection and Maintenance Checklist94
Service and Interim Boiler Work Record95
Data Protection Notice97

Worcester GR2300iW C Installation And Maintenance Instructions

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Brand	Worcester
Model	GR2300iW C
Category	Boiler
Language	English