2
1 Preface 5
1.1 Regulation ....................................................................................................................5
1.2 Warnings .....................................................................................................................5
1.3 Manual handling ..............................................................................................................5
1.4 Pictograms ...................................................................................................................6
1.5 Warnings on the box ...........................................................................................................6
1.6 Abbreviations .................................................................................................................6
2 Safety regulations 7
2.1 General .......................................................................................................................7
2.2 The installation ...............................................................................................................7
3 General boiler information 8
3.1 General .......................................................................................................................8
3.1.1 ErP label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1.2 Gas category . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.3 Data plate ....................................................................................................................9
3.2 Operation ....................................................................................................................9
3.4 Control panel ................................................................................................................10
3.5 Operational modes ...........................................................................................................10
4 Main components 11
4.1 Standard scope of delivery ....................................................................................................12
4.2 Accessories ..................................................................................................................13
4 Installer important points 14
5 Installation 15
5.1 Overall dimensions of boiler + assembly bracket ...............................................................................15
5.1.1 Installing the wall bracket and assembly bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
5.2 Installation location ..........................................................................................................16
5.2.1 Installation in a kitchen cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
5.2.2 Removing/installing the front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
5.3 Installing the boiler ...........................................................................................................18
6 Connection 19
6.1 Connecting the central heating system ........................................................................................19
6.1.1 Expansion vessel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.1.2 Thermostatic radiator valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
6.1.3 Floor heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
6.1.4 LT/HT zone system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.1.5 Division of central heating system in groups with extra heat source 21
CONTENTS
Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are provided
with the correct equipment for their needs, that it is installed, commissioned and serviced in accordance with the manufacturer’s
instructions by competent persons and that it meets the requirements of the appropriate Building Regulations. The Benchmark
Checklist can be used to demonstrate compliance with Building Regulations and should be provided to the customer for future
reference. Please read the Benchmark Checklist carefully, page , and complete all sections, as required by law, relevant to the
appliance and installation. Failure to install and commission according to the manufacturer’s instructions and complete the
Benchmark Commissioning Checklist will invalidate the warranty for the Gas Boiler installation. The details within the Checklist
will be required in the event of any warranty work. On completion the Checklist must be le with the end user. The relevant
sections of the Service Record, page , must be completed on each subsequent Service visit.
Installers are required to carry out installation, commissioning and servicing work in accordance with the Benchmark Code of
Practice which is available from the Heating and Hotwater Industry Council who manage and promote the scheme. Visit www.
centralheating.co.uk for more information.
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