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Worcester Greenstar 24Ri User Manual

Worcester Greenstar 24Ri
56 pages
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UK/IE
INSTRUCTION MANUAL
INSTALLATION, COMMISSIONING & SERVICING
WALL HUNG RSF GAS FIRED CONDENSING BOILER
FOR OPEN VENTED AND SEALED CENTRAL HEATING SYSTEMS AND
INDIRECT MAINS FED DOMESTIC HOT WATER
THIS BOILER IS USED WITH
NATURAL GAS OR LPG (Cat II 2H3P TYPE C13, C33 & C53)
NATURAL GAS 12 Ri GC NUMBER: 41 311 63
15 Ri GC NUMBER: 41 311 75
18 Ri GC NUMBER: 41 311 77
24 Ri GC NUMBER: 41 311 65
LIQUID PETROLEUM GAS 12 Ri GC NUMBER: 41 311 64
15 Ri GC NUMBER: 41 311 76
18 Ri GC NUMBER: 41 311 78
24 Ri GC NUMBER: 41 311 66
GREENSTAR 12Ri, 15Ri, 18Ri & 24Ri

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Worcester Greenstar 24Ri Specifications

General IconGeneral
ModelGreenstar 24Ri
CategoryBoiler
Output24 kW
Fuel TypeNatural Gas
Boiler TypeRegular
MountingWall-mounted
ERP RatingA
Warranty5 years
Efficiency RatingA
Flue OptionsHorizontal or vertical

Summary

Safety and Regulations

Safety Precautions

Safety warnings and procedures for gas leaks and general safety.

Installation Regulations

Compliance with UK/IE regulations, British Standards, and specific building types.

Health and Safety

Precautions regarding materials, modifications, and servicing advice.

Appliance Information

General Information

Standard package contents and key boiler specifications.

Technical Data

Detailed technical specifications for different boiler models and fuels.

Layout and Components

Diagram and list of internal and external boiler components.

Pre-Installation

Cleaning Primary Systems

Procedure for flushing and cleaning heating systems before boiler installation.

Mains Supply

Electrical supply requirements and gas supply considerations for installation.

Water Systems and Pipework

Guidelines for connecting pipework, valves, and system types.

Condensate Pipework

Requirements and methods for routing condensate drainage pipes.

Boiler Location and Clearances

Minimum clearances for installation and servicing, including ventilation.

Plumbing Manifold

Details on connecting heating system and gas pipes to the manifold.

Flue Options

Various flue configurations and maximum total flue lengths for different models.

Flue Terminal Positions

Guidelines for flue terminal placement and clearances to avoid nuisance.

Installation

Unpacking the Boiler

Instructions and precautions for safely unpacking the boiler and checking contents.

Wall Mounting Plate and Flue Opening

Steps for fixing the wall mounting plate and creating the flue opening.

Outer Case Removal

Procedure for removing the boiler's outer casing for access.

Boiler Connections

How to connect gas and water pipes to the boiler.

Flue Installation

Instructions for installing horizontal flue components and plume redirection.

Condensate, Gas & Water Connections

Details on connecting condensate, gas, and water pipes.

Electrics

Wiring instructions for connecting the boiler to mains supply and external controls.

Position of Wired Components

Diagram showing electrical component locations and wiring terminals.

Commissioning

Pre-Commissioning Checks

Initial checks before commissioning, including pipe and gas connections.

Filling the System

Steps for filling the heating system and venting air from the boiler.

Starting the Appliance

Procedure for switching on the boiler and setting controls for initial operation.

Water Treatment

Guidelines for system flushing, inhibitor addition, and water quality.

Gas Inlet Pressure and Boiler Setting

Verifying gas inlet pressure and setting the boiler to maximum output.

Finishing Commissioning

Final steps for commissioning, including handover and controls setup.

Servicing and Spares

Inspection and Service

General guidance on routine inspection and servicing procedures.

Setting the Air/Gas Ratio (SIT Valve)

Procedure for adjusting CO/CO2 settings for the SIT valve.

Setting the Air/Gas Ratio (Dungs Valve)

Procedure for adjusting CO/CO2 settings for the Dungs valve.

Replacement of Parts

Instructions for removing casing and replacing sensors, thermostats, and components.

Short Parts List

A list of common replacement parts with part numbers and GC numbers.

Conversion Kits

Gas Conversion

Procedure for converting the boiler to LPG, including code plugs.

Fault Finding and Diagrams

Electrical Wiring Diagram

Schematic diagram of the boiler's electrical connections and components.

Fault Finding

Table listing common faults, their indications, and possible solutions.

Main Function

Flowchart illustrating the boiler's operational sequence and protection systems.

Contact Information

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