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Installat
ion and User Instructions R01128
-8 09/15
Page
6
Contents
1 Contents
0 OVERALL VIEW ...........................................................................................3
1 CONTENTS .................................................................................................6
2 INTRODUCTION ........................................................................................ 11
3 SCOPE OF DELIVERY ................................................................................. 12
4 PRE-INSTALLATION ADVICE ....................................................................... 15
4.1 RISK ASSESSMENT ..................................................................................... 15
4.2 SITING CONSIDERATIONS ............................................................................. 15
4.3 COLD WATER SUPPLY .................................................................................. 16
4.4 BUILDING REGULATION G3 DISCHARGE REQUIREMENTS ......................................... 17
4.4.1 Discharge pipe D2 ........................................................................ 18
4.4.2 Worked example .......................................................................... 19
4.4.3 Termination of discharge pipe ........................................................ 20
4.5 LIMITATIONS ............................................................................................ 21
5 INSTALLATION .......................................................................................... 21
5.1 COLD WATER INLET WITH INLET CONTROL GROUP ............................................... 21
5.1.1 Correctly site the cylinder .............................................................. 21
5.1.2 Install the inlet group .................................................................... 21
5.1.3 Expansion vessel .......................................................................... 21
5.1.4 Balanced cold water supply ............................................................ 22
5.1.5 Drain valve .................................................................................. 22
5.2 HOT WATER OUTLET .................................................................................. 22
5.2.1 Thermostatic mixing valve ............................................................. 22
5.2.2 Pipe insulation .............................................................................. 22
5.3 DISCHARGE PIPES FROM SAFETY DEVICES .......................................................... 22
5.3.1 Discharge pipe D1 ........................................................................ 22
5.3.2 Discharge pipe D2 ........................................................................ 23
5.3.3 Tundish ....................................................................................... 23
5.4 IMMERSION HEATER.................................................................................... 24
5.5 SOLAR COIL CONNECTIONS ........................................................................... 25
5.6 AUXILIARY COIL CONNECTIONS ...................................................................... 25
5.7 THERMOSTAT CONNECTION ........................................................................... 26
5.7.1 Auxiliary loop wiring schematic (indirect cylinder only) ...................... 27
5.7.2 Solar loop wiring schematic (direct and indirect cylinders) ................. 28
5.7.3 Solar sensor connection ................................................................. 29
5.8 CONNECTION OF SECONDARY RETURN .............................................................. 34
6 COMMISSIONING ...................................................................................... 35
7 MAINTENANCE .......................................................................................... 36
8 SPARE PARTS ........................................................................................... 38
9 TECHNICAL DATA AND PRODUCT FICHE ...................................................... 39
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