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Installation and User Instructions R02889-3 04/14
Page 4
Contents
1 Contents
0 Overall View ............................................................................................ 3
1 Contents.................................................................................................. 4
2 Introduction ............................................................................................ 7
3 Scope of Delivery .................................................................................... 7
4 Pre-Installation Advice ........................................................................... 8
4.1 Risk Assessment ......................................................................................8
4.2 Siting Considerations ................................................................................8
4.3 Cold Water Supply ...................................................................................9
4.4 Building Regulation G3 Discharge Requirements ........................................ 10
4.4.1 Discharge Pipe D2 .......................................................................... 10
4.4.2 Worked Example ............................................................................ 11
4.4.3 Termination of Discharge Pipe ......................................................... 12
4.5 Limitations ............................................................................................ 13
5 Installation ........................................................................................... 13
5.1 Cold Water Inlet with Inlet Control Group .................................................. 13
5.1.1 Correctly Site the Cylinder ............................................................... 13
5.1.2 Install the Inlet Group .................................................................... 13
5.1.3 Expansion Vessel ........................................................................... 13
5.1.4 Balanced Cold Water Supply ............................................................ 14
5.1.5 Drain Valve ................................................................................... 14
5.2 Hot Water Outlet .................................................................................... 14
5.2.1 Thermostatic Mixing Valve ............................................................... 14
5.2.2 Pipe Insulation ............................................................................... 14
5.3 Discharge Pipes from Safety Devices ........................................................ 14
5.3.1 Discharge Pipe D1 .......................................................................... 14
5.3.2 Discharge Pipe D2 .......................................................................... 15
5.3.3 Tundish......................................................................................... 15
5.4 Immersion Heaters ................................................................................ 15
5.5 Electrical Connection .............................................................................. 16
5.6 Connection of Secondary Return .............................................................. 20
6 Commissioning ...................................................................................... 21
6.1 Verify Electronic Operation ...................................................................... 21
6.2 Initialise System Settings and Communications ......................................... 22
6.2.1 Reset ............................................................................................ 22
6.2.2 Set Hygiene Mode .......................................................................... 22
6.2.3 Set Communications Mode .............................................................. 22
6.2.4 Set Cylinder Size ............................................................................ 22
6.2.5 RTC Calibration .............................................................................. 22
6.2.6 Set Tariff....................................................................................... 23
6.3 Confirmation of Operation ....................................................................... 23
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