Xylem Bell & Gossett e-82SC Instruction Manual page 4

Table of Contents
6.6 Reassembly.........................................................................................................................23
7 Troubleshooting....................................................................................................................... 27
7.1 Precautions......................................................................................................................... 27
7.2 The pump unit is turned on but does not work............................................................. 27
7.3 The differential protection device (RCD) is activated....................................................27
7.4 The thermal overload protection of the motor is triggered when the pump unit
7.5 The thermal overload protection of the motor is triggered occasionally, or after
7.6 The pump unit runs but delivers too little or no liquid................................................. 28
7.7 The pump unit turns the other way when turned off.....................................................28
7.8 The pump unit produces excessive noise and/or vibrations....................................... 28
7.9 The pump starts up too frequently (automatic start/stop)............................................29
7.10 The pump unit never stops (automatic start/stop)...................................................... 29
7.11 The mechanical seal is leaking.......................................................................................29
7.12 The motor becomes excessively hot.............................................................................30
7.13 The frequency converter (if present) is in error mode or turned off......................... 30
8 Product Warranty......................................................................................................................31
2
6.5.1 Replacement guidelines............................................................................................ 23
6.5.2 Shaft inspection...........................................................................................................23
6.6.1 Assemble the standard mechanical seal (e-82-F)...................................................23
6.6.2 Assemble the box type single mechanical seal (e-82-S)....................................... 24
6.6.3 Install the impeller...................................................................................................... 24
6.6.4 Reinstall the pump assembly.....................................................................................25
6.6.5 Assemble the flapper valve....................................................................................... 25
6.6.6 Blind flange use.......................................................................................................... 25
6.6.7 Screw torque values................................................................................................... 26
6.6.8 Dealer servicing ......................................................................................................... 26
starts...................................................................................................................................... 27
the pump unit has been running for a few minutes........................................................ 28
Series e-82 INSTRUCTION MANUAL