Johnson Controls SAB 355 - Page 8

Engineering manual - SAB 355 Screw compressor unit (including ATEX)
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004100 en 2020.10
7.13 Lifting accessories and equipment ....................................... 96
7.14 Preparing lifts ........................................................................ 96
7.15 Lifting and loading instructions............................................. 96
7.16 Unpacking and inspection ..................................................... 96
7.17 Disposal of non-reusable materials ...................................... 96
7.18 Moving the equipment to the mounting site......................... 96
7.19 Alignment of compressor and unit ........................................ 97
7.20 Alignment of unit against foundation ................................... 97
7.21 Laying the unit foundation .................................................... 98
7.22 Mounting directly on the foundation..................................... 98
7.23 Mass damping between unit and building ............................ 99
7.24 Damping using vibration dampers........................................ 99
7.25 VSD equipment.................................................................... 102
7.26 Calculation of centre of gravity, support reactions and
tipping angle
........................................................................ 104
7.27 Auxiliary tools for coupling alignment ................................ 107
7.28 Mounting of series 52 coupling ........................................... 108
7.29 Alignment procedure for coupling ...................................... 110
7.30 Piping connections............................................................... 112
7.31 Connecting electricity supply.............................................. 114
7.32 Pressure testing................................................................... 115
7.33 Evacuation of the refrigeration plant .................................. 116
7.34 Oil charging.......................................................................... 116
7.35 Final installation check ........................................................ 117
8. Components ................................................................................. 118
8.1 UniSAB III ............................................................................ 119
9. Settings ......................................................................................... 120
9.1 Control system .................................................................... 120
10. Operating instructions ............................................................... 121
11. Maintenance instructions.......................................................... 122
11.1 Safety precautions .............................................................. 122
11.2 Maintenance of compressor unit......................................... 122
11.3 Stopping routine.................................................................. 123
11.4 Long-term storage .............................................................. 123
11.5 Maintenance intervals ......................................................... 124
11.6 Visual inspection.................................................................. 125