Name: Worcester Greenstar 1000 GR1000W 24 C NG
Brand: Worcester
Rating: 5 (1 reviews)

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6721835943 (2023/08) UK

Installation and Maintenance Instructions

Gas-fired condensing combi appliance

Greenstar 1000

GR1000W 24 C NG | GR1000W 30 C NG

Table of Contents2
Explanation of Symbols and Safety Instructions4
Explanation of Symbols4
General Safety Instructions4
Regulations6
Product Information7
Scope of Delivery7
Declaration of Conformity7
Appliance Type Overview7
Product Identification8
Pipe Work Positions and Flue Outlet8
Product Overview9
Product Data for Energy Consumption10
Standard Accessories10
Appliance Accessories10
Programmer/Timer Accessories10
Pre-Installation11
System Preparation11
Artificially Softened Water11
Water Systems and Pipework11
System Layouts Examples12
System Fill12
Mains Supply13
Electrical Supply13
Gas Supply13
Water Supply13
Appliance Location and Clearances14
Appliance Location14
Rooms Containing a Bath or Shower15
Appliance Clearances15
Flue Systems Considerations17
Flue Length17
Flue Options17
Plume Management System19
Flue Terminal Positions20
Plume Re-Direct and Plume Management Terminal Positions24
Condensate Discharge25
Condensate Pipework26
Condensate Production26
Internal Connections26
External Connections27
Pressure Relief Discharge30
Pressure Relief Pipework30
Alternative PRV Connections - Combined Prv/Condensate30
Cleaning Primary Systems31
Flushing the System31
Installation32
Position the Appliance33
Mounting Bracket Fixing33
Appliance Connections34
Hanging the Appliance35
Flue Turret/Adaptor Installation36
Electrical Connection37
Installer Connections39
Cable Preparations40
External Controls - Domestic Installations41
Commissioning41
Pre-Commissioning Checks41
Water Treatment41
Filling the Appliance and Adding Inhibitor42
Starting the Appliance42
Control Panel Overview42
Screen Display43
Switching on the Device43
Setting the Flow Temperature43
Setting the DHW Heating43
Setting the Heating Control Device43
Setting Summer Mode44
Manual Mode44
Chimney Sweep Mode44
Setting the Appliance to Maximum44
Setting the Appliance to Minimum44
Exiting Chimney Sweep Mode44
Checking Gas Inlet Pressure44
Checking the Gas Rate45
Checking for Gas Leaks During Operation45
CO and Combustion Check45
Checking Flue Integrity46
Flue Gas Analysis46
Finishing Commissioning47
Fitting the Casing47
Appliance/Product Guarantee48
Shutdown48
Setting Frost Protection48
Anti-Seize Protection48
Settings in the Service Menu49
Operating the Service Menu49
Service Functions Overview49
Menu 149
Menu 350
Menu 451
Menu 552
Menu 652
Menu 052
Inspection and Maintenance53
Inspection and Maintenance Considerations53
Service Functions53
Component Access53
Check Working Gas Inlet Pressure54
Flue Gas Analysis54
Checking the Flue Integrity54
Cleaning the Heat Exchanger54
Checking the Electrodes and Cleaning the Heat Exchanger55
Cleaning/Checking the Burner58
Cleaning the Condensate Trap58
Checking the Ionization and Ignition Electrode59
Checking the NTC Position on the Flow and Return Pipes59
Setting the Air/Gas Ratio59
Cleaning the Rainguard60
Checking the Expansion Vessel61
Replacement Parts62
Component Access62
Draining the Appliance62
Replace the Insulation on the Burner Door62
Disassembly of the Ignition Electrode on the Burner Door63
Replace the Lip Seal on the Burner Door63
Replace Insulation Disk on the Heat Exchanger64
Replace the Burner Door Seal65
Replace the Back Flow Prevention Valve67
Replace the Gas Hose68
Replace the Fan68
Replace the Gas Valve69
Replace the Temperature Limiter70
Replace the Heat Exchanger71
Replace the Ignition Transformer73
Replace the Air Intake Pipe73
Replace the Venturi74
Replace the Gas Air Pipe75
Replace the Restrictor76
Replace the Burner Door Assembly77
Replace the Ignition Cable78
Replace the NTC78
Replace the Lip Seal on the Flue Outlet79
Replace the Expansion Vessel80
Replace the Control Unit81
Replace the Auto Air Vent81
Replace the Silencer81
Replace the Plate Heat Exchanger82
Replace the Pressure Relief Valve (PRV)82
Replace the Rainguard83
Reassemble the Burner Door84
Checking/Replacing the Motor of the 3-Way Valve84
Replace the Pump85
Adjusting the Operating Pressure of the Heating85
System85
Tightening the Flue Adaptor85
Fault Finding and Diagnosis86
General Information86
Fault Code Table87
Faults that Are Not Displayed95
Environmental Protection and Disposal96
Data Protection Notice96
Technical Specifications/Logs97
Technical Data97
Component Resistance Characteristics98
Heating Curve98
Internal Wiring of the Appliance99
Electrical Wiring99
Setting Values for Output100
Gas Setting Values (Natural Gas)100
Gas Boiler System Commissioning Checklist and Warranty Validation Record101
Inspection and Maintenance Checklist102
Service and Interim Boiler Work Record103

Worcester Greenstar 1000 GR1000W 24 C NG User Manual

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Worcester Greenstar 1000 GR1000W 24 C NG Specifications

Related product manuals

Brand	Worcester
Model	Greenstar 1000 GR1000W 24 C NG
Category	Boiler
Language	English