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Installat
ion and User Instructions R
01127
-
2 06
/11
Page 5
Contents
1 Contents
0
OVERALL VIEW .......................................................................................... 3
1 CONTENTS ................................................................................................ 5
2 INTRODUCTION ......................................................................................... 7
3 SCOPE OF DELIVERY .................................................................................. 7
4 PRE-INSTALLATION ADVICE ........................................................................ 9
4.1 RISK ASSESSMENT ...................................................................................... 9
4.2 SITING CONSIDERATIONS.............................................................................. 9
4.3 COLD WATER SUPPLY ..................................................................................10
4.4 BUILDING REGULATION G3 DISCHARGE REQUIREMENTS .........................................10
4.4.1 Discharge pipe D2............................................................................11
4.4.2 Worked example..............................................................................12
4.4.3 Termination of discharge pipe ...........................................................13
4.5 LIMITATIONS............................................................................................13
5 INSTALLATION..........................................................................................14
5.1 COLD WATER INLET WITH INLET CONTROL GROUP ...............................................14
5.1.1 Correctly site the cylinder .................................................................14
5.1.2 Install the inlet group .......................................................................14
5.1.3 Expansion vessel .............................................................................14
5.1.4 Balanced cold water supply ...............................................................14
5.1.5 Drain valve .....................................................................................14
5.2 HOT WATER OUTLET ..................................................................................15
5.2.1 Thermostatic mixing valve ................................................................15
5.2.2 Pipe insulation.................................................................................15
5.3 DISCHARGE PIPES FROM SAFETY DEVICES ..........................................................15
5.3.1 Discharge pipe D1............................................................................15
5.3.2 Discharge pipe D2............................................................................15
5.3.3 Tundish ..........................................................................................16
5.4 IMMERSION HEATER....................................................................................16
5.5 COIL FLOW CONNECTIONS (INDIRECT MODELS ONLY) ............................................17
5.6 COIL RETURN CONNECTIONS (INDIRECT MODELS ONLY) .........................................17
5.7 THERMOSTAT CONNECTION (INDIRECT MODELS ONLY) ...........................................18
5.8 CONNECTION OF SECONDARY RETURN..............................................................21
6 COMMISSIONING ......................................................................................22
7 MAINTENANCE..........................................................................................23
8 SPARE PARTS ...........................................................................................24
9 TECHNICAL DATA......................................................................................25
10 USER INSTRUCTIONS ................................................................................29
10.1 GENERAL .............................................................................................29
10.2 OPERATION ..........................................................................................30
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