ENGLISH
10
INDEX
1. SAFETY INSTRUCTIONS................................................................................................................................................................10
KEY .............................................................................................................................................................................................10
2. GENERAL DESCRIPTION...............................................................................................................................................................10
TECHNICAL CHARACTERISTICS .................................................................................................................................................11
2.1 PRODUCT DRAWING .........................................................................................................................................................11
2.2 OPERATING CONDITIONS ................................................................................................................................................12
3. DELIVERY AND HANDLING ...........................................................................................................................................................12
3.1 TRANSPORTATION ............................................................................................................................................................12
3.2 STORAGE ............................................................................................................................................................................12
4. INFORMATION ON PRODUCTS WITH THE EX MARKING ..........................................................................................................12
5. INSTALLATION ...............................................................................................................................................................................13
5.1 LEVEL SWITCHES ..............................................................................................................................................................13
5.2 INSTALLATION WITH ACCESSORIES ..............................................................................................................................13
6. ELECTRICAL CONNECTION ..........................................................................................................................................................13
6.1 WIRING DIAGRAMS ............................................................................................................................................................14
6.2 THERMAL SWITCH .............................................................................................................................................................14
7. START-UP........................................................................................................................................................................................14
7.1 GENERAL START-UP PROCEDURE .................................................................................................................................15
7.2 DIRECTION OF ROTATION (FOR THREE-PHASE PUMPS) ............................................................................................15
8. MAINTENANCE AND SERVICE......................................................................................................................................................15
8.1 ROUTINE MAINTENANCE ..................................................................................................................................................16
8.2 SPECIAL MAINTENANCE ...................................................................................................................................................17
8.3 CONTAMINATED PUMPS ...................................................................................................................................................17
9. TROUBLESHOOTING .....................................................................................................................................................................17
1. SAFETY INSTRUCTIONS
KEY
The following symbols have been used in the discussion:
Situation of general danger
Failure to respect the instructions that follow may cause harm to persons and property.
Situation of electric shock hazard.
Failure to respect the instructions that follow may cause a situation of grave risk for personal safety.
Notes
These instructions must be observed for explosion-proof pumps.
2. GENERAL DESCRIPTION
This manual contains the instructions for the installation, operation and maintenance of submersible pumps of the FX RANGE series. The
pumps are equipped with electric motors with power between 0.75 and 11 kW. The pumps in the FX RANGE series are designed and
suitable for pumping domestic and industrial sewage and waste waters compatible with the materials of which the pumps are made. The
pumps can be installed on an auto-coupling system or stand freely on the bottom of a tank. The booklet also includes specific instructions
for the explosionproof pumps.
back-
flowing impeller
with complete free
passage.
impeller and with anti-
disc.
ring impeller and grinder
device at the front.
Submersible pump with
ring impeller and with
wear disc in abrasion-
a
b
d
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