Cod. 985719 – 00 / July 2004
2
SUMMARY
1. GENERAL INFORMATION.................................................................................. 4
1.1. ATEX VERSIONS..................................................................................................................... 4
2. RECEIVING AND INSPECTING THE PRODUCT................................................ 4
2.1. DATA ON THE RATING PLATE.............................................................................................. 5
2.2. WEIGHTS OF THE PRODUCTS.............................................................................................. 6
2.3. HANDLING AND LIFTING THE FAN ...................................................................................... 7
2.4. STORAGE ................................................................................................................................ 8
3. FUNCTION AND DESIGN OF THE FAN ............................................................ 8
3.1. OPERATING CONDITIONS..................................................................................................... 8
3.2. OPERATING LIMITS................................................................................................................ 8
3.2.1. Max installed power 8
3.2.2. Maximum speed 8
3.2.3. Operating temperature 9
3.3. BALANCING ............................................................................................................................ 9
3.4. BEARINGS ............................................................................................................................... 9
3.4.1. Bearing life 9
3.5. SHAFTS.................................................................................................................................... 9
4. INSTALLATION ................................................................................................... 9
4.1. FIXING THE FAN ..................................................................................................................... 9
4.2. INSTALLING THE DRIVE SYSTEM ...................................................................................... 11
4.2.1. Problems due to a too low belt tension 11
4.2.2. Problems due to a too high belt tension 11
4.2.3. Belt tension 12
4.3. SAFETY ACCESSORIES....................................................................................................... 13
4.3.1. Protection of moving components 13
4.3.2. Electrical insulation 13
4.4. INSPECTION AFTER INSTALLATION ................................................................................. 13
4.5. STARTING THE FAN ............................................................................................................. 13
5. MAINTENANCE ................................................................................................. 14
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