
Table of contents
Operating_Manual_Fan_KXE_04_en.docx
7.3.2 Screw connections ................................................................................................... 38
7.4 Securing the fan .................................................................................................................... 39
7.4.1 Anti-vibration mount ................................................................................................. 40
7.4.2 Spring phonolators (spring type anti-vibration mounts) ............................................ 41
7.4.3 Stone bolts ............................................................................................................... 41
7.5 Insulation of the fan ............................................................................................................... 42
8. Measures prior to commissioning ................................................................................... 43
8.1 Aligning the coupling ............................................................................................................. 44
8.2 Checking the impeller gap ..................................................................................................... 47
8.3 Connecting the duct work ...................................................................................................... 49
8.4 Fitting the flexible connections ............................................................................................... 51
8.5 Activating the re-lubrication devices ....................................................................................... 53
8.5.1 Bearings .................................................................................................................. 54
8.5.2 Shaft seal ................................................................................................................. 56
8.6 Connecting the shaft seal ...................................................................................................... 57
8.7 Electrical connection .............................................................................................................. 59
8.8 Connecting the monitoring devices ........................................................................................ 62
8.9 Monitoring devices limit values .............................................................................................. 63
8.9.1 Vibrations ................................................................................................................. 64
8.9.2 Temperatures .......................................................................................................... 65
8.10 Connecting the cooler fan ...................................................................................................... 66
8.11 Checking the lubricant ........................................................................................................... 67
8.12 Connecting the external oil supply system ............................................................................. 70
8.13 Checking the final installation condition ................................................................................. 71
9. Start-up .............................................................................................................................. 73
9.1 Switching on the fan .............................................................................................................. 74
9.2 Checking the sense of rotation .............................................................................................. 74
9.3 Powering up the fan ............................................................................................................... 75
9.3.1 Direct connection ..................................................................................................... 77
9.3.2 Star-delta starting..................................................................................................... 77
9.3.3 Variable speed control ............................................................................................. 77
9.4 Switching off the fan .............................................................................................................. 80
10. Operation ........................................................................................................................... 81
10.1 Regulation via variable speed control .................................................................................... 83
10.2 Emergency shutdown ............................................................................................................ 83
10.3 Exceeding limit values ........................................................................................................... 83
10.4 Minimum duration of operation .............................................................................................. 84
10.5 Minimum speeds ................................................................................................................... 85
10.6 Maximum speeds .................................................................................................................. 86
11. Fault and rectification ....................................................................................................... 87
12. Inspecting the fan ............................................................................................................. 91
12.1 Weekly inspections ................................................................................................................ 92
12.2 Monthly inspections ............................................................................................................... 93