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Bosch Worcester Greenstar CDi Compact ErP Series User Manual

Bosch Worcester Greenstar CDi Compact ErP Series
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INSTALLATION, COMMISSIONING, AND SERVICING INSTRUCTIONS
WALL HUNG RSF GAS FIRED CONDENSING COMBINATION BOILER
Greenstar CDi Compact
ErP
6720646608-00.1Wo
FOR SEALED CENTRAL HEATING SYSTEMS AND MAINS FED DOMESTIC HOT WATER
6 720 813 276 (2015/07)
If you smell gas:
Well away from the building: call the National Gas
Emergency Service on 0800 111 999.
L.P.G. boilers: Call the supplier’s number on the
side of the gas tank.
These appliances are for use with:
Natural Gas or L.P.G.
(Cat. II 2H 3P type C13, C33 & C53)
Model GC Number
Natural Gas 28CDi Compact
ErP
47-406-77
32CDi Compact
ErP
47-406-79
36CDi Compact
ErP
47-406-81
LPG 28CDi Compact
ErP
47-406-78
32CDi Compact
ErP
47-406-80
36CDi Compact
ErP
47-406-82

Table of Contents

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Bosch Worcester Greenstar CDi Compact ErP Series Specifications

General IconGeneral
Efficiency94%
ErP RatingA
MountingWall-mounted
ModelWorcester Greenstar CDi Compact ErP Series
TypeCombi Boiler
Fuel TypeNatural Gas

Summary

Safety and Symbols

Key to Symbols

Explains symbols used throughout the manual for clarity and understanding.

Safety Precautions

Crucial safety warnings and guidelines for installation, operation, and maintenance.

Appliance Information

Appliance Overview and Package Contents

Details the boiler's features, dimensions, and standard package contents.

Technical Data and Energy Efficiency

Specifications, performance data, and energy ratings for Natural Gas and LPG models.

Pre-Installation Requirements

System Preparation and Mains Supply

Steps for cleaning the system and connecting electrical and gas supplies.

Pipework and Connections

Guidance on water, condensate, and pressure relief pipework installation.

Boiler Location and Clearances

Specifies required clearances for safe installation and servicing.

Flue Systems and Terminal Positions

Details flue options, lengths, and correct terminal positioning.

Installation Procedures

Unpacking and Wall Mounting

Steps for unpacking the boiler and fixing the wall mounting frame.

Boiler Connections and Hanging

Instructions for connecting pipework and hanging the boiler.

Electrical and Control System Installation

Wiring guidelines for the boiler and external controls.

Commissioning and Handover

Initial System Checks and Filling

Procedures for pre-commissioning checks, system filling, and water treatment.

Appliance Start-up and Combustion Checks

Steps for starting the boiler, checking gas rates, and performing combustion analysis.

Handover to Customer and Guarantee

Final checks, customer demonstration, and guarantee registration.

Service and Spares

Routine Inspection and Flue Integrity

Essential checks for regular maintenance and flue system integrity.

Gas Pressure and Fan Performance Testing

Procedures for testing gas pressure and fan performance.

Heat Exchanger Cleaning Procedures

Detailed steps for cleaning the heat exchanger and siphon.

Key Component Replacements

Instructions for replacing critical parts like fan, gas valve, and heat exchanger.

Expansion Vessel Replacement

Procedures for removing and fitting the expansion vessel.

Short Parts List

A list of common spare parts and their part numbers.

Fault Finding and Diagnosis

Wiring, Functions, and Protection

Understanding wiring diagrams, operational functions, and protection mechanisms.

Service Menus and Parameter Adjustment

Navigating menus to view status, adjust parameters, and reset settings.

Component Testing Procedures

Step-by-step guides for testing individual boiler components.

Fault Codes and Troubleshooting Guide

Identifying and resolving boiler faults using status and cause codes.

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