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Worcester GREENSTAR UTILITY 32/50

Worcester GREENSTAR UTILITY 32/50
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INSTRUCTION MANUAL
INSTALLATION, COMMISSIONING & SERVICING
FLOOR STANDING OIL-FIRED CONDENSING BOILER CONVENTIONAL
FLUE & ROOM SEALED FLUE
GREENSTAR UTILITY
32/50 & 50/70
FOR FULLY PUMPED OPEN VENT OR SEALED CENTRAL HEATING SYSTEMS
AND DOMESTIC HOT WATER CYLINDERS
UK
THE APPLIANCE IS FOR USE WITH KEROSENE
(28 SECOND OIL) ONLY
8 716 109 711 b 07.10 14/7/10 09:59 Page 1

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Worcester GREENSTAR UTILITY 32/50 Specifications

General IconGeneral
Output (heating)32 kW
Output (hot water)50 kW
Fuel TypeNatural Gas
Height780 mm
Max working pressure3 bar
Warranty5 years

Summary

SAFETY & REGULATIONS

IMPORTANT INFORMATION AND SYMBOLS

Key symbols and essential warnings for safe operation and installation.

SAFETY PRECAUTIONS AND INSTALLATION REGULATIONS

Mandatory safety measures and adherence to building codes for installation.

APPLIANCE INFORMATION

GENERAL INFORMATION

Overview of the boiler package contents and model features.

TECHNICAL DATA

Specifications including capacities, connections, and electrical details.

LAYOUT & COMPONENTS

Diagram and list of the boiler's internal and external parts.

PRE-INSTALLATION

CLEANING PRIMARY SYSTEMS

Procedures for flushing and preparing the heating system before boiler installation.

MAINS SUPPLY

Requirements for electrical connection, including voltage and cable specifications.

OIL SUPPLY

Guidelines for installing the oil storage tank and supply pipework.

WATER SYSTEMS & PIPEWORK

Requirements for open vented and sealed central heating system pipework.

CONDENSATE & PRESSURE RELIEF PIPEWORK

Installation details for condensate and pressure relief discharge pipes.

BOILER LOCATION & CLEARANCES

Recommended spacing around the boiler for installation and service.

FLUE TERMINAL POSITIONS

Minimum dimensions and siting requirements for flue terminals.

CONVENTIONAL FLUE

Specific installation requirements for conventional flue systems.

ROOM SEALED FLUE OPTIONS

Guidelines for installing room sealed and balanced flue configurations.

INSTALLATION

UNPACKING THE BOILER

Step-by-step instructions for safely removing the boiler from its packaging.

PIPEWORK POSITIONS & FLUE OPENING

Diagrams showing connection points and flue opening requirements.

BOILER INSTALLATION

Procedures for physically installing the boiler unit.

FLUE INSTALLATION

Instructions for connecting and installing the flue system.

COMBUSTION CHAMBER

Details on accessing and ensuring correct fitting of combustion chamber components.

PIPEWORK CONNECTIONS

Step-by-step guide for connecting water, oil, and condensate pipes.

OIL BURNER & PUMP RIELLO RDB BURNERS

Installation and settings for Riello oil burners.

OIL BURNER & PUMP BENTONE STERLING BURNERS

Installation and settings for Bentone Sterling oil burners.

REFITTING COMPONENTS

Procedures for reassembling boiler components after installation.

ELECTRICS

Instructions for connecting the boiler's electrical supply and controls.

COMMISSIONING

PRE-COMMISSIONING CHECKS - APPLIANCE

Final checks before starting the boiler.

FILLING THE SYSTEM

Steps for filling the central heating system with water.

STARTING THE APPLIANCE

Initial procedures for starting the boiler and priming the oil system.

RIELLO RDB BURNER STARTING

Specific starting sequence and checks for Riello RDB burners.

BENTONE STERLING BURNER STARTING

Specific starting sequence and checks for Bentone Sterling burners.

WATER TREATMENT

Instructions for flushing the system and adding inhibitor.

FINISHING COMMISSIONING - APPLIANCE

Final steps and handover procedures after commissioning.

SERVICING & SPARES

INSPECTION AND SERVICE

General procedures for annual boiler inspection and maintenance.

RIELLO RDB BURNER PARTS LIST

List of spare parts for Riello RDB burners.

BENTONE STERLING BURNER PARTS LIST

List of spare parts for Bentone Sterling burners.

FAULT FINDING & DIAGNOSIS

FAULT FINDING GUIDES

General troubleshooting table for common boiler problems.

RIELLO CONTROL BOX FAULT LOGIC

Diagnostic flowchart for Riello control box issues.

SATRONIC CONTROL BOX FAULT LOGIC

Diagnostic flowchart for Satronic control box issues.

COMMISSIONING AND SERVICE RECORDS

COMMISSIONING CHECKLIST

A checklist to ensure all commissioning steps are completed.

SERVICE INTERVAL RECORD

Log for recording routine boiler servicing history.

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