Xylem LOWARA e-SV Series - Maximum number of starts per hour; Protection class

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en - Original instructions

e-SV series - Installation, Operation and Maintenance Manual 45

11 Warranty

11.1 Information

For information on the warranty refer to the documentation of the sale contract.

Main Page

Table of Contents2
Introduction and Safety5
Introduction5
Safety5
Danger Levels and Safety Symbols5
User Safety6
Protection of the Environment6
Sites Exposed to Ionizing Radiations6
Handling and Storage7
Handling of the Packed Unit7
Unit Inspection Upon Delivery7
Unit Handling8
Storage9
Technical Description11
Designation11
Data Plate11
Names of the Main Components14
Intended Use14
Improper Use15
Use in Water Distribution Networks for Human Consumption15
Special Applications16
Installation17
Precautions17
Mechanical Installation17
Installation Area17
Permitted Positions18
Installation on Concrete Foundation18
Fastening of the Unit18
Reducing Vibrations19
Hydraulic Connection19
Guidelines for the Hydraulic System19
Flange Forces and Torques21
Electrical Connection22
Ground22
Guidelines for Electrical Connection22
Guidelines for the Control Electric Panel23
Motor Guidelines23
Operation with Frequency Converter25
Use and Operation26
Precautions26
Filling - Priming27
Positive Suction Head Installation27
Suction Lift Installation27
Checking the Direction of Rotation (Three-Phase Motors)28
Wrong Rotation Direction28
Start-Up29
Stopping30
Maintenance31
Precautions31
Maintenance Every 4000 Hours of Operation, or Every Year31
Long Periods of Inactivity31
Tightening Torques of the Threaded Connections32
Ordering Spare Parts32
Troubleshooting33
Precautions33
The Unit Does Not Start33
The Differential Protection Device (RCD) Is Activated33
The Thermal Overload Protection Triggers or the Fuses Trip34
The Thermal Overload Protection Triggers34
The Unit Runs but There Is Little or no Flow Rate34
When Switched Off, the Unit Turns in the Opposite Direction35
The Unit Produces Excessive Noise And/Or Vibrations35
The Unit Starts up too Frequently (Automatic Start/Stop)35
The Unit Never Stops (Automatic Start/Stop)35
The Unit Is Leaking37
The Motor Becomes Excessively Hot37
The Frequency Converter Is in Error Mode or Turned off37
Technical Information38
Operating Environment38
Permitted Liquid Temperatures for the Mechanical Seal38
Maximum Operating Pressure39
Maximum Number of Starts Per Hour39
Protection Class40
Electrical Specifications40
Permitted Tolerances for the Supply Voltage40
Noise Level40
Materials in Contact with the Liquid41
Mechanical Seal41
Disposal42
Precautions42
Declarations43
Pump Unit EC Declaration of Conformity (Original)43
EU Conformity Declaration (N. EMCD08)43
Pump EC Declaration of Conformity (Original)44
Warranty45
Information45

Xylem LOWARA e-SV Series - Maximum number of starts per hour; Protection class

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