Lochinvar SST Series, Installation, Commissioning, Maintenance And User Instructions

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Contents
1.0 INTRODUCTION ........................................................................................................................................................................................................................... 3
1.1 ANCILLARY OPTIONS .......................................................................................................................................................................................................... 3
2.0 SAFETY GUIDELINES .................................................................................................................................................................................................................. 4
2.1 GENERAL DESCRIPTION OF SAFETY SYMBOLS USED................................................................................................................................................. 4
2.2 DIMENSIONAL DRAWINGS ................................................................................................................................................................................................. 5
2.2.1 CONNECTION HEIGHTS AND DIMENSIONS ............................................................................................................................................................. 5
2.2.2 CONNECTION SIZES .................................................................................................................................................................................................... 5
3.0 TECHNICAL DATA ........................................................................................................................................................................................................................ 6
3.1.1 TECHNICAL SPECIFICATIONS .................................................................................................................................................................................... 6
4.0 GENERAL REQUIREMENTS ....................................................................................................................................................................................................... 6
4.1 RELATED DOCUMENTS ...................................................................................................................................................................................................... 6
5.0 WATER QUALITY ......................................................................................................................................................................................................................... 6
6.0 WATER CONNECTIONS .............................................................................................................................................................................................................. 7
6.1 GENERAL .............................................................................................................................................................................................................................. 7
6.2 OPEN VENTED SYSTEM ..................................................................................................................................................................................................... 7
6.2.1 RECOMMENDED PIPEWORK FOR A CONDENSING CIRCULATING APPLIANCE ................................................................................................ 7
6.2.2 RECOMMENDED PIPEWORK FOR A STORAGE APPLIANCE ................................................................................................................................. 7
6.3 UN-VENTED SYSTEM .......................................................................................................................................................................................................... 8
6.3.1 RECOMMENDED PIPEWORK FOR A CONDENSING CIRCULATING APPLIANCE ................................................................................................ 8
6.3.2 RECOMMENDED PIPEWORK FOR A STORAGE APPLIANCE ................................................................................................................................. 8
6.3.3 TEMPERATURE AND PRESSURE RELIEF VALVE.................................................................................................................................................... 9
6.3.4 RELIEF VALVE DISCHARGE PIPEWORK ................................................................................................................................................................... 9
6.3.5 RELIEF VALVE DISCHARGE PIPEWORK ................................................................................................................................................................. 10
6.3.6 EXPANSION VESSEL SIZING .................................................................................................................................................................................... 11
6.3.7 COEFFICIENT OF EXPANSION OF WATER AT 3.5 BAR INLET PRESSURE ....................................................................................................... 11
6.4 DE-STRATIFICATION ......................................................................................................................................................................................................... 11
6.4.1 GENERAL..................................................................................................................................................................................................................... 11
6.4.2 REQUIREMENTS......................................................................................................................................................................................................... 11
7.0 COMMISSIONING AND TESTING ............................................................................................................................................................................................. 12
7.1 ELECTRICAL INSTALLATION ............................................................................................................................................................................................ 12
7.2 WATER CONNECTION ....................................................................................................................................................................................................... 12
7.3 PRIMARY HEAT SOURCE ................................................................................................................................................................................................. 12
8.0 MAINTENANCE ........................................................................................................................................................................................................................... 12
8.1 GENERAL ............................................................................................................................................................................................................................ 12
8.2 MAINTENANCE SCHEDULE .............................................................................................................................................................................................. 12
8.3 DRAINING THE WATER SYSTEM ..................................................................................................................................................................................... 12
8.4 INSPECTION AND CLEANING ........................................................................................................................................................................................... 13
8.5 RE-FILLING THE SYSTEM ................................................................................................................................................................................................. 13
8.6 OTHER CHECKS ................................................................................................................................................................................................................. 13
8.6.1 RELIEF VALVE ............................................................................................................................................................................................................ 13
9.0 USER INSTRUCTIONS ............................................................................................................................................................................................................... 14
10.0 ERP DATA TABLE ...................................................................................................................................................................................................................... 14