Table of Contents
1.0 INTRODUCTION ................................................................................................................................................................................................... 4
2.0 PRINCIPLE PARTS ............................................................................................................................................................................................... 5
3.0 TECHNICAL DATA ................................................................................................................................................................................................ 8
4.0 GENERAL REQUIREMENTS ............................................................................................................................................................................. 10
4.1 RELATED DOCUMENTS ............................................................................................................................................................................. 10
5.0 WATER QUALITY ............................................................................................................................................................................................... 11
6.0 LOCATION ........................................................................................................................................................................................................... 11
6.1 PLANT ROOM REQUIREMENTS ................................................................................................................................................................ 11
6.2 GENERAL REQUIREMENTS ....................................................................................................................................................................... 11
6.3 CLEARANCES .............................................................................................................................................................................................. 12
6.4 CONDENSATE DRAIN ................................................................................................................................................................................. 12
7.0 GAS SUPPLY ...................................................................................................................................................................................................... 12
7.1 SERVICE PIPES ........................................................................................................................................................................................... 12
7.2 METERS ....................................................................................................................................................................................................... 12
7.3 GAS SUPPLY PIPES .................................................................................................................................................................................... 12
7.4 BOOSTED SUPPLIES .................................................................................................................................................................................. 12
7.5 PLANT-ROOM CONTROL VALVE ............................................................................................................................................................... 12
7.6 EQUIPMENT GAS SYSTEM LEAK CHECK ................................................................................................................................................ 13
8.0 FLUE SYSTEM .................................................................................................................................................................................................... 13
8.1 FLUE SYSTEM GENERAL REQUIREMENTS............................................................................................................................................. 14
8.2 APPROVED FLUE SYSTEM ........................................................................................................................................................................ 14
8.3 INSTALLATION PRECAUTIONS ................................................................................................................................................................. 14
8.4 MAXIMUM LENGTH ..................................................................................................................................................................................... 14
8.5 FLUE DISCHARGE ....................................................................................................................................................................................... 14
8.6 CONDENSATE DRAIN ................................................................................................................................................................................. 14
8.7 CONCENTRIC FLUE CONNECTION ASSEMBLY ...................................................................................................................................... 15
8.7.1 SHW45-325CE & SHW60-325CE .......................................................................................................................................................... 15
8.7.2 SHW85-435CE, SHW115-435CE & SHW145-435CE ........................................................................................................................... 16
8.8 FLUE TERMINAL INSTALLATION ............................................................................................................................................................... 17
8.8.1 TYPE B
23
................................................................................................................................................................................................ 17
8.8.2 TYPE C
13
................................................................................................................................................................................................ 18
8.8.3 TYPE C
33
................................................................................................................................................................................................ 18
8.8.4 TYPE C
43
................................................................................................................................................................................................ 19
8.8.5 TYPE C
53
................................................................................................................................................................................................ 20
8.9 FLUE TERMINAL GUARDING ..................................................................................................................................................................... 20
9.0 AIR SUPPLY ........................................................................................................................................................................................................ 20
9.1 COMBUSTION VENTILATION ..................................................................................................................................................................... 20
9.2 COOLING VENTILATION ............................................................................................................................................................................. 21
10.0 WATER CONNECTIONS .................................................................................................................................................................................... 21
10.1 GENERAL ..................................................................................................................................................................................................... 21
10.2 OPEN VENTED SYSTEM ARRANGEMENT ............................................................................................................................................... 21
10.3 UNVENTED SYSTEM ARRANGEMENT ..................................................................................................................................................... 21
10.3.1 TEMPERATURE AND PRESSURE RELIEF VALVE ..................................................................................................................... 21
10.3.2 RELIEF VALVE DISCHARGE PIPEWORK .................................................................................................................................... 22
10.3.3 EXPANSION VESSEL SIZING ........................................................................................................................................................ 23
11.0 ELECTRICAL SUPPLY ....................................................................................................................................................................................... 23
11.1 EXTERNAL CONTROLS .............................................................................................................................................................................. 23
11.1.1 REMOTE ENABLING ...................................................................................................................................................................... 23
11.2 HIGH VOLTAGE CONNECTOR STRIP ....................................................................................................................................................... 24
11.3 LOW VOLTAGE CONNECTOR STRIP ........................................................................................................................................................ 25
11.4 ELECTRICAL CONNECTIONS .................................................................................................................................................................... 25
11.5 FUSES .......................................................................................................................................................................................................... 25
11.6 ARC WELDING PRECAUTIONS.................................................................................................................................................................. 26
11.7 WIRING DIAGRAM ....................................................................................................................................................................................... 27
11.8 LADDER DIAGRAM ...................................................................................................................................................................................... 28
12.0 USER CONTROL INTERFACE ........................................................................................................................................................................... 29
12.1 GENERAL ..................................................................................................................................................................................................... 29
12.2 USER CONTROL INTERFACE PANEL ....................................................................................................................................................... 29
12.3 SEQUENCE OF OPERATION ...................................................................................................................................................................... 30
12.4 STATUS DISPLAY SCREENS ..................................................................................................................................................................... 31
13.0 COMMISSIONING AND TESTING ..................................................................................................................................................................... 32
13.1 ELECTRICAL INSTALLATION ..................................................................................................................................................................... 32
13.2 GAS INSTALLATION .................................................................................................................................................................................... 32
13.3 WATER CONNECTIONS.............................................................................................................................................................................. 32
13.4 COMMISSIONING THE EQUIPMENT ......................................................................................................................................................... 32
13.4.1 GENERAL CHECKS PRIOR TO LIGHTING ................................................................................................................................... 32
13.4.2 EQUIPMENT CHECKS PRIOR TO LIGHTING............................................................................................................................... 32
13.4.3 PROCEDURE FOR INITIAL LIGHTING .......................................................................................................................................... 33
13.4.4 GAS PRESSURE ADJUSTMENT AND COMBUSTION CHECKS ................................................................................................ 33
13.5 TEMPERATURE ADJUSTMENT PROCEDURE ......................................................................................................................................... 33
13.6 INSTALLATION NOISE ................................................................................................................................................................................ 33
14.0 LPG FUEL ............................................................................................................................................................................................................ 34
14.1 RELATED DOCUMENTS ............................................................................................................................................................................. 34
14.2 CONVERSION TO LPG ................................................................................................................................................................................ 34