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3
Contents
1 Manual Information 4
2 Safety Information 4
3 Introduction 5
4 Scope of Delivery 5
5 Pre-Installation 6
5.1 Risk Assessment 6
5.2 Siting Considerations 6
5.3 Cold Water Supply 6
5.4 Building Regulation G3
Discharge Requirements 7
5.4.1 Discharge Pipe D2 7
5.4.2 Worked Example 8
5.4.3 Termination of Discharge
Pipe 8
5.5 Limitations 8
6 Installation 8
6.1 Cold Water Inlet with Inlet
Control Group 8
6.1.1 Correctly Site the Cylinder 8
6.1.2 Install the Inlet Group 8
6.1.3 Expansion Vessel 9
6.1.4 Balanced Cold Water Supply 9
6.1.5 Drain Valve 9
6.2 Hot Water Outlet 9
6.2.1 Thermostatic Mixing Valve 9
6.2.2 Pipe Insulation 9
6.3 Discharge Pipes from Safety
Devices 10
6.3.1 Discharge Pipe D1 10
6.3.2 Discharge Pipe D2 10
6.3.3 Tundish 10
6.4 Immersion Heaters 10
6.5 Electrical Connection 10
6.6 Connection of Secondary
Return 13
7 Commissioning 13
7.1 Verify Electronic Operation 14
7.2 Initialise System Settings and
Communications 14
7.2.1 Reset 14
7.2.2 Set Hygiene Mode 14
7.2.3 Set Communications Mode 14
7.2.4 Set Cylinder Size 14
7.2.5 RTC Calibration 14
7.2.6 Set Tariff 14
7.3 ConrmationofOperation 14
8 Maintenance 15
9 Spare Parts 17
10 Technical Data and
Product Fiche 18
CONTENTS
11 User Instructions 21
11.1 General 21
11.2 Operation 21
11.2.1 User Interface 21
11.2.2 Home Screen 21
11.2.3 Setting the Date and Time 22
11.2.4 Setting the Primary and Boost
Immersion Heater
Temperature 22
11.2.5 Activate Energy and
Temperature Information 22
11.2.6 Accessing Energy and
Temperature Information 22
11.2.7 Accessing and Setting Timer
Modes 22
12 Maintenance 22
13 Troubleshooting 27
14 Frequently Asked
Questions 28
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