ENGLISH
20
INDEX
1. SAFETY INSTRUCTIONS ......................................................................................................................... 21
KEY .......................................................................................................................................................... 21
WARNINGS ................................................................................................................................................ 21
SAFETY ...................................................................................................................................................... 21
RESPONSIBILITY ...................................................................................................................................... 22
POTENTIALLY EXPLOSIVE ENVIRONMENTS ........................................................................................ 22
2. GENERAL DESCRIPTION ........................................................................................................................ 22
TECHNICAL CHARACTERISTICS ............................................................................................................ 22
2.1
Product drawing ................................................................................................................................ 23
2.2
Operating conditions ......................................................................................................................... 23
2.3
Technical data ................................................................................................................................... 24
3. DELIVERY AND HANDLING ..................................................................................................................... 24
3.1
Transportation ................................................................................................................................... 24
3.2
Storage .............................................................................................................................................. 24
4. IDENTIFICATION ....................................................................................................................................... 25
4.1
Nameplate ......................................................................................................................................... 25
4.2
Information on products with the Ex marking .................................................................................... 25
4.3
Type key ............................................................................................................................................ 26
5. INSTALLATION ......................................................................................................................................... 26
5.1
Submerged installation on an automatic coupling device ................................................................. 27
5.2
Submerged installation on a support base ........................................................................................ 28
6. ELECTRICAL CONNECTION .................................................................................................................... 29
6.1
Wiring diagrams ................................................................................................................................ 30
6.2
Electric panel level switches ............................................................................................................. 30
6.3
Thermal switch .................................................................................................................................. 31
6.4
Sensor (water in the oil) (not available for explosion-proof versions) ............................................... 31
7. START-UP .................................................................................................................................................. 31
7.1
General start-up procedure ............................................................................................................... 32
7.2
Direction of rotation ........................................................................................................................... 32
8. MAINTENANCE AND SERVICE ............................................................................................................... 33
8.1
Routine Maintenance ........................................................................................................................ 33
8.2
Special maintenance ......................................................................................................................... 35
8.3
Contaminated pumps ........................................................................................................................ 35
9. FAULT FINDING ........................................................................................................................................ 35