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TABLE OF CONTENTS
1. THE BENCHMARK SCHEME Page 2
2. GENERAL INFORMATION Page 3
2.1 Guarantee Page 3
2,2 How the Appliance Works Page 3
2.3 Delivery Page 4
3. INSTALLATION Page 5
3.1 Water Regulations Page 5
3.2 Building Regulations Page 5
3.3 General Guidance Page 5
3.4 Cold Water Supply Page 5
3.6 Siting and Fixing Page 6
3.7 Overall Dimensions Page 7
3.8 Connection of Mains Supply Page 8
3.9 Cold Water Combination Valve Page 11
3.10 Connection to Services Page 14
3.11 Secondary Return Page 14
3.12 Discharge Pipework Page 14
3.13 Electrical Connection Page 17
3.14 Electrical Diagrams Page 19
4. COMMISSIONING Page 24
5. MAINTENANCE Page 26
5.1 ProTech Anti-corrosion System Page 26
5.2 Thermal Cut-out(s) Page 26
5.3 Immersion Heater(s) Page 26
5.4 Unvented Controls Page 26
5.5 Thermostats Page 27
5.6 Maintenance Page 27
6. FAULT FINDING Page 29
7. TECHNICAL INFORMATION Page 30
8. BENCHMARK COMMISSIONING CHECKLIST Page 34
9. BENCHMARK SERVICE RECORD Page 35
1. The Benchmark
Scheme
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 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.
Installers are required to carry out installation, commissioning and servicing
work in accordance with the Benchmark Code of Practice which is available
from the Heatinmg and Hotwater Industry Council who manage and promote
the Scheme. Visit www.centralheating.co.uk for more information.
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