Xylem Bell & Gossett e-82SC User manual

INSTRUCTION MANUAL
P2004729
Series e-82

Table of Contents
1 Introduction and Safety..............................................................................................................3
1.1 Introduction.......................................................................................................................... 3
1.2 Safety..................................................................................................................................... 3
1.2.1 Safety terminology and symbols.................................................................................3
1.2.2 Safety instruction decals.............................................................................................. 4
1.3 User safety.............................................................................................................................5
1.3.1 Wash the skin and eyes................................................................................................6
1.4 Protecting the environment................................................................................................6
2 Transportation and Storage...................................................................................................... 7
2.1 Examine the delivery........................................................................................................... 7
2.1.1 Examine the package................................................................................................... 7
2.1.2 Examine the unit............................................................................................................7
2.2 Pump lifting...........................................................................................................................7
2.3 Long-term storage............................................................................................................... 8
3 Product Description....................................................................................................................9
3.1 General description............................................................................................................. 9
3.2 Operational specifications.................................................................................................. 9
4 Installation................................................................................................................................. 11
4.1 Preinstallation.....................................................................................................................11
4.1.1 Pump mounting guidelines.......................................................................................11
4.1.2 Pump location guidelines..........................................................................................11
4.1.3 Piping checklist........................................................................................................... 12
4.2 Typical pump installation..................................................................................................13
4.3 Typical system installation................................................................................................ 16
5 Commissioning, Startup, Operation, and Shutdown.......................................................... 17
5.1 Preparation for startup...................................................................................................... 17
5.1.1 Check the rotation...................................................................................................... 17
5.2 Prime the pump................................................................................................................. 18
5.3 Start the pump....................................................................................................................18
5.4 Pump operation precautions............................................................................................18
5.5 Shut down the pump.........................................................................................................19
5.6 Vibration..............................................................................................................................19
6 Maintenance..............................................................................................................................20
6.1 Standby operation............................................................................................................. 20
6.2 Flapper valve...................................................................................................................... 20
6.3 Lubrication..........................................................................................................................20
6.4 Disassembly........................................................................................................................20
6.4.1 Disassembly precautions...........................................................................................21
6.4.2 Drain the pump...........................................................................................................21
6.4.3 Remove the pump assembly.....................................................................................21
6.4.4 Remove the impeller.................................................................................................. 22
6.4.5 Remove the mechanical seal (e-82-F)...................................................................... 22
6.4.6 Remove the single mechanical seal (e-82-S)...........................................................22
6.4.7 Impeller trimming guidelines....................................................................................22
6.5 Pre-assembly inspections................................................................................................. 22
Table of Contents
Series e-82 INSTRUCTION MANUAL 1

6.5.1 Replacement guidelines............................................................................................ 23
6.5.2 Shaft inspection...........................................................................................................23
6.6 Reassembly.........................................................................................................................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
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
starts...................................................................................................................................... 27
7.5 The thermal overload protection of the motor is triggered occasionally, or after
the pump unit has been running for a few minutes........................................................ 28
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
Table of Contents
2 Series e-82 INSTRUCTION MANUAL

1 Introduction and Safety
1.1 Introduction
Purpose of this manual
The purpose of this manual is to provide necessary information for:
• Installation
• Operation
• Maintenance
CAUTION:
Read this manual carefully before installing and using the product. Improper use of the
product can cause personal injury and damage to property, and may void the warranty.
NOTICE:
Save this manual for future reference, and keep it readily available at the location of the
unit.
Requesting other information
Special versions can be supplied with supplementary instruction leaflets. See the sales
contract for any modifications or special version characteristics. For instructions,
situations, or events that are not considered in this manual or in the sales documents,
please contact the nearest Xylem representative.
Always specify the exact product type and identification code when requesting technical
information or spare parts.
1.2 Safety
WARNING:
• The operator must be aware of safety precautions to prevent physical injury.
• Operating, installing, or maintaining the unit in any way that is not covered in this
manual could cause death, serious personal injury, or damage to the equipment. This
includes any modification to the equipment or use of parts not provided by Xylem. If
there is a question regarding the intended use of the equipment, please contact a
Xylem representative before proceeding.
• Do not change the service application without the approval of an authorized Xylem
representative.
CAUTION:
You must observe the instructions contained in this manual. Failure to do so could result
in physical injury, damage, or delays.
1.2.1 Safety terminology and symbols
About safety messages
It is extremely important that you read, understand, and follow the safety messages and
regulations carefully before handling the product. They are published to help prevent
these hazards:
• Personal accidents and health problems
• Damage to the product and its surroundings
• Product malfunction
1 Introduction and Safety
Series e-82 INSTRUCTION MANUAL 3