Xylem Bell & Gossett 15GDS User manual

Models 15GDS/20GDS
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
INSTRUCTION MANUAL
IM214R02

2 15GDS/20GDS Installation, Operation and Maintenance Manual

15GDS/20GDS Installation, Operation and Maintenance Manual 1
Table of Contents
Introduction and Safety ........................................................................................................................2
Data Plate Interpretation ......................................................................................................................7
Product Description..............................................................................................................................8
General Design of a 15GDS/20GDS Pump............................................................................................9
Installation..........................................................................................................................................11
Electrical Connections ........................................................................................................................13
Cable Chart ........................................................................................................................................15
Colors and Markings of Leads ............................................................................................................16
Transportation and Storage .................................................................................................................17
Operation ...........................................................................................................................................18
Care and Maintenance........................................................................................................................19
Oil Change .........................................................................................................................................20
Service Log .........................................................................................................................................22
Owners Information
Complete this information for your records.
Model number and serial number may be found
on the tag mounted to the motor adapter.
Model Number ___________________________
Serial Number ____________________________
Dealer ___________________________________
Dealer phone number ______________________
Date of purchase __________________________
Date of installation ________________________
Table of Contents

2 15GDS/20GDS Installation, Operation and Maintenance Manual
I. Introduction and Safety
Introduction
Description
This manual provides instructions for the Installation, Operation and Maintenance of the
Bell & Gossett 15GDS/20GDS pumps.
Requirement
This manual must be read and understood before installation and start-up. Bell & Gossett
shall not be liable for physical injury, damage or delays caused by a failure to observe the
instructions for installation, operation and maintenance contained in this manual.
Content
This instruction manual covers several different pump models that all have similar power
end configurations. Most assembly, disassembly and inspection procedures are the same for
all the pumps. However, where there are differences, they are called out separately within
the manual. The design, materials and workmanship incorporated in the construction
of Bell & Gossett makes them capable of giving long, trouble free service. The life and
satisfactory service of any mechanical unit, however, is enhanced and extended by correct
application, proper installation, periodic inspection, condition monitoring and careful
maintenance. This instruction manual was prepared to assist operators in understanding the
construction and the correct methods of installing, operating and maintaining these pumps.
Key Topics
Data Plate Interpretation
Product Description
General Design
Installation
Electrical Connections
Cable Chart
Transportation and Storage
Operation
Care and Maintenance
Oil Change
Introduction and Safety

15GDS/20GDS Installation, Operation and Maintenance Manual 3
Safety
It is extremely important that you read, understand, and follow the safety messages and
regulations carefully before handling an Bell & Gossett product. They are published to help
prevent
• personal accidents and health problems
• damage to the product
• product malfunction
Observe all safety messages highlighted in other sections of this manual.
A pump is a pressure-containing device with rotating parts that can be dangerous.
Caution: You must observe the instructions for installation, operation, and main-
tenance contained in this manual. Failure to do so could result in physical injury,
damage, or delays.
Safety message levels
Table 1: Definitions
Safety message level Indication
Danger: Indicates a hazardous situation which, if not
avoided, will result in death or serious injury.
Warning: Indicates a hazardous situation which, if not
avoided, could result in death or serious injury.
Caution: Indicates a hazardous situation which, if not
avoided, could result in minor or moderate injury.
Note: Indicates a potential situation which, if not avoided,
may result in undesirable results or state. Indicates a
practice not related to personal injury.
Electrical Hazard: Indicates the possibility of electrical risks if
direction are not applied in a proper manner.
Environmental safety
Preventive measures for the working area
Always keep the pump station clean to avoid and/or discover emissions.
Recycling guidelines
Always recycle according to the guidelines listed below:
1. Follow local laws and regulations regarding recycling if the unit or parts are accepted by
an authorized recycling company.
2. If the first guideline is not applicable then return the unit or parts to the nearest Bell &
Gossett representative.
Introduction and Safety (continued)

4 15GDS/20GDS Installation, Operation and Maintenance Manual
Waste and emissions
Observe these safety regulations regarding waste and emissions:
• Dispose appropriately of all waste.
• Handle and dispose of the pumpage in compliance with applicable environmental
regulations.
• Clean-up all spills in accordance with safety and environmental procedures.
• Report all environmental emissions to the appropriate authorities.
Reference for electrical installation
For electrical installation recycling requirements, consult your local electric utility.
User health and safety
Safety equipment
Use safety equipment according to the company regulations. The following safety
equipment should be used within the working area depending on the fluid being pumped:
• helmet
• safety goggles (with side shields)
• protective shoes
• protective gloves
• gas mask
• hearing protection
Note: The noise level of the product is lower than 70 dB. However, the
noise level of 70 dB may be exceeded in some installations and at certain
operating points on the performance curve. Make sure that you understand
the noise level requirements in the environment where the pump is
installed. Failure to do so may result in hearing loss or violation of local
laws.
The working area
Observe these regulations and warnings in the working area:
• Always keep the work area clean.
• Pay attention to the chemical and physical characteristics of the gas and vapors present
in hazardous areas.
• Avoid all electrical dangers. Pay attention to the risks of electric shock or arc flash
hazards.
Product and product positioning requirements
Observe these requirements for the product and the product positioning:
• Never operate a pump unless safety devices are installed.
• Three-phase motors must have a properly sized starter with properly sized heaters
to provide overload and under voltage protection. Single-phase motors have built-in
overload protectors.
• Never start a pump without the proper priming.
• Never run a pump below the minimum rated flow or with any suction or discharge
valve closed.
Electrical connections
Electrical connections must be made by authorized electricians in compliance with all
international, national, state and local rules.
Introduction and Safety (continued)

15GDS/20GDS Installation, Operation and Maintenance Manual 5
Observe the following regulations and warnings for electrical connections.
• Make sure that the product is isolated from the power supply and can not be
energized by mistake. This rule applies to the control circuit as well.
• Make sure that the thermal contacts are connected to a protection circuit according
to the product approvals, and that they are in use.
Observe the following regulations for grounding connections.
Table 2: Grounding
Grounding regulation Comment
All electric equipment must be grounded. This rule applies to pumps and mixers as
well as monitoring equipment.
Precautions before work
Observe the following safety precautions before working with or in connection with the
product:
• Make sure that there are no poisonous gases within the work area.
• Provide a suitable barrier around the work area, for example a guard rail.
• Make sure that all safety guards are in place and secure.
• Make sure that the equipment is properly insulated when operating at extreme
temperatures.
• Allow all system and pump components to cool before you handle them.
• Make sure that you have a clear path of retreat.
• Make sure that the product cannot roll or fall over and injure people or damage
property.
• Make sure that the lifting equipment is in good condition.
• Use a lifting harness, a safety line, and a breathing device as required.
• Make sure that the product has been thoroughly cleaned.
• Make sure that a first-aid kit is close at hand.
• Check the explosion risk before welding or using electric hand tools.
Precautions during work
Observe the following safety precautions when working with or in connection with the
product:
• Never work alone.
• Stay clear of suspended loads.
• Always lift the product by its lifting device.
• Beware of the risk of a sudden start if the product is used with an automatic level
control.
• Beware of the starting jerk, which can be powerful.
• Rinse the components in water after disassembling the pump.
• Do not exceed the maximum working pressure of the pump.
• Do not open any vent or drain valves or remove any plugs while the system is
pressurized. Ensure that the pump is isolated from the system and that pressure is
relieved before you disassemble the pump, remove plugs, or disconnect piping.
Introduction and Safety (continued)

6 15GDS/20GDS Installation, Operation and Maintenance Manual
• Always bear in mind the risk of:
• electrical accidents
• burn injuries
Clean chemicals from the eyes
1. Forcibly hold the eyelids apart with the fingers.
2. Rinse the eyes for at least 15 minutes. Use an eyewash or running water.
3. Seek medical attention.
Clean chemicals from the body
1. Remove contaminated clothing.
2. Wash the skin with soap and water for at least 1 minute.
3. If required, seek medical attention.
Product approval standards
Regular standards
All electrical ratings and performance of the motors comply with UL, CSA and NEMA
standards.
Product warranty
Personnel requirements
All work on the product must be carried out by certified electricians and Bell & Gossett
authorized service centers.
Bell & Gossett disclaims all responsibility for work done by untrained and unauthorized
personnel.
Modification and spare parts
Modifications or changes to the product/installation should only be carried out after
consulting with Bell & Gossett. Original spare parts and accessories authorized by Bell &
Gossett are essential for compliance. The use of other parts can invalidate any claims for
warranty or compensation and explosion-proof approvals.
Warranty claim
For warranty claim, contact your Bell & Gossett representative.
Introduction and Safety (continued)

15GDS/20GDS Installation, Operation and Maintenance Manual 7
II. Data Plate Interpretation
General Data Plate
A Internal L Operating duty, cont./int.
B Serial number M Impeller/propeller diameter
C Shaft power N Factory code
D Rated speed Q Temperature class
E Product number R/U Rated voltage
F Weight S/V Rated current
H Curve code, first digit = number of poles T/X Stator connection
J Number of phases, type of current, frequency W Special order number
K Power factor Y Motor number
Approval Plate
This approval plate applies to an explosion-proof submersible Bell & Gossett pump. The
plate is used together with the general data plate on the pump.
FM: Factory Mutual
Class I, Division I, Group C and D
Class II and III, Division I, Group E, F and G
Maximum Operating Temperature T4
Explosion Proof for use in
Class I, Division 1, Group C and D
Dust Ignition Proof for use in
Class II, Division 1, Group E, F and G
Suitable for use in Class III, Division 1
Hazardous Locations
104º F (40º C) Ambient Limits
CAUTION: DEENERGIZE PUMP BEFORE OPENING
Data Plate Interpretation
FM
APPROVED
B
A
H
N
M
Y
K
L
D
F
J
Q
E
W
C
T/X
R/U
S/V
A
vHz
mm
%
IEC 34-1 1969 cl.F kg
r/min
cos �

8 15GDS/20GDS Installation, Operation and Maintenance Manual
III. Product Description
Introduction
Thank you for buying a submersible Bell & Gossett pump. In this Installation, Care and
Maintenance manual, you will find general information on how to install and service the
15GDS or 20GDS pump to give it a long and reliable life. In the Parts List you will find all
the specific technical data for your pump.
Application
This Installation, Care and Maintenance manual applies to a submersible Bell & Gossett
15GDS or 20GDS pump. If you have bought an explosion proof pump (please see approval
plate on your pump or Parts List) special handling instructions apply as described in this
document.
The pump is intended to be used for pumping of sewage for high head application.
The pumps must not be used in highly corrosive liquids. See pH limits below.
The pump is available for permanent installation in a sump or portable installation.
For further information on applications, contact your nearest Bell & Gossett wastewater
representative.
Specic Technical Data
For specific technical data regarding your pump, please see Parts List.
General Technical Data
Liquid Temperature: Maximum 104º F (40º C). The pump can be operated at full load only
if fully submerged.
Liquid Density: Maximum 9.2 lb per US gallon (1100 kg/m3)
The pH of the Pumped Liquid: 6-13 (cast iron pumps)
Depth of Immersion: Maximum 65 ft (20 m)
In some installations and at certain operating points on the performance curve,
the noise level of 70 dB or the noise level specified for the actual pump may be
exceeded.
Only ex-approved pumps may be used in an explosive or flammable
environment.
Warranty Claim
The pumps are high quality products with expected reliable operation and long life.
However, should the need arise for a warranty claim, please contact your Bell & Gossett
representative.
Product Description