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EBARA EVM Series - User Manual

EBARA EVM Series
24 pages
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EN
EVM series
EVMS 1 - 3 - 5 - 10 - 15 - 20
EVM 32 - 45 - 64
Stampato su carta reciclata - Nessun albero è stata abbattuto -
Marchio “Angelo Blu” ⁄ Printed on resycled paper - no trees have
been cutted down - mark “Blue Angel”
EVM
series ..........................................................................................
TRANSLATION FROM ORIGINAL INSTRUCTIONS
Operating and maintenance manual
...........................................................................................................2
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Summary

INTRODUCTION

MANUFACTURER IDENTIFICATION DATA

Manufacturer Data Details

Manufacturer's official name, address, and contact information for EBARA Pumps Europe S.p.A.

GUARANTEE AND TECHNICAL ASSISTANCE

Warranty Conditions and Service

Conditions that void warranty and how to contact authorized service centers for product issues.

GENERAL SAFETY WARNINGS

User Preventive Safety Measures

Essential safety precautions and adherence to product specifications for safe operation by the user.

Protections and Cautions

Details on product guards, electrical insulation, and earth conductor for enhanced safety.

Surface Pump Residual Risks

Potential hazards like fan contact or unexpected restarts due to motor overheating.

HANDLING AND STORAGE

Handling Precautions

Guidelines for lifting and moving the pump to prevent crushing hazards and damage.

Storage Guidelines

Proper conditions for storing the pump to protect it from environmental factors and damage.

TECHNICAL-PRODUCTION CHARACTERISTICS

Product Description

Overview of vertical multi-stage non-self-priming pumps and model identification.

Intended Uses

Applications for which the pumps are designed, including water distribution and treatment.

Use for Drinking Water

Specific procedure for initial use with drinking water to ensure proper function.

Prohibited Uses

List of applications that are hazardous and will void the product warranty.

SPECIFICATIONS

Pump Specifications

Technical details including max temperature, solids handling, and pressure ratings.

Motor Specifications

Details on motor type, IP rating, insulation class, and duty cycle.

Pump Rating Plate Information

Explanation of the information found on the pump's technical specifications label.

Airborne Noise Information

Sound emission values for motor-driven pumps at different frequencies.

PREPARING FOR USE

Motor Coupling Procedure

Instructions for coupling the motor to the pump, ensuring correct alignment and fit.

General Installation Precautions

General guidelines for installing the pump safely and correctly.

Installation Site Requirements

Requirements for pump placement, ventilation, and protection from elements.

Fastening the Pump

Procedures for securely mounting the pump to a rigid base using appropriate fasteners.

Suction Pipework Requirements

Specifics on suction pipe diameter, foot valve, and immersion depth for efficient operation.

FLANGE LOADING AND TIGHTENING TORQUES

Flange Tightening Torques

Specified torque values for tightening flange bolts on various pump models.

Admissible Torque on Flange

Table of maximum admissible torque values for different flange connections.

Admissible Flange Strain

Information on permissible strain limits for pump flanges.

ELECTRICAL CONNECTION

Connection Requirements and Safety

Guidelines for safe electrical connection, including qualified personnel and protective devices.

FILLING THE PUMP

Suction Lift Filling Procedure

Step-by-step guide for filling the pump and suction line in a suction lift configuration.

Flooded Installation Filling

Procedure for filling the pump when installed in a flooded system with an open suction valve.

USE, STARTING AND RUNNING

General Operation Warnings

Critical warnings regarding pump operation, including avoiding dry running and excessive starts.

Starting Procedure

Steps for correctly starting the pump, including checking rotation direction and initial run parameters.

Running the Pump

Instructions for smooth and quiet operation, including pressure checks and gradual opening of the delivery valve.

Stopping the Pump

Procedure for safely stopping the pump to prevent overpressure and water hammering.

MAINTENANCE AND REPAIRS

Preventive Maintenance Checks

Regular checks for abnormal noise and vibration to anticipate potential repairs.

Common Maintenance Operations

List of typical maintenance tasks like seal, bearing, and capacitor replacement.

Inactivity and Frost Protection

Procedure for emptying and cleaning the pump for periods of inactivity or to prevent frost damage.

DISPOSAL

Waste Disposal Regulations

Guidance on complying with local regulations for scrapping the product and electrical waste.

TROUBLESHOOTING

Pump Not Working - Motor Not Turning

Diagnosing and resolving issues when the pump motor fails to start.

Pump Not Working - Motor Turns

Troubleshooting common problems when the motor runs but the pump does not operate correctly.

Reduced Flow Rate Issues

Identifying causes for reduced pump flow and potential solutions.

Pump Stops (Thermal Overload)

Addressing issues where the pump stops due to thermal overload protection tripping.

Pump Stops (Intermittent Thermal Protection)

Troubleshooting thermal protection intervention that causes the pump to stop intermittently.

Pump Fails to Stop (Pressure)

Resolving problems where the pump fails to stop in pressure-controlled applications.

Pump Vibrates or is Noisy

Diagnosing and fixing causes of excessive vibration or noise during pump operation.

Switch Issues and Circuit Breaker Tripping

Addressing problems related to switch operation, circuit breaker tripping, and leakage current.

SUPPLIED TECHNICAL DOCUMENTATION

Standard Voltages and Tolerances

Table detailing standard voltages and their tolerances for different pump models and frequencies.

Motor Output Reduction Factors

Factors affecting motor output based on ambient temperature and altitude, and how to compensate.

Maximum Working Pressure Chart

Chart showing maximum working pressures for various pump models across different frequencies.

Avoiding Cavitation

Explains cavitation, its causes, and how to prevent it through proper installation and operation.

PUMP INSTALLATION GUIDELINES

Fastening Hole Positioning

Dimensions for the positioning of holes used for securely fastening the pump down.

Correct Operation Warnings

Critical warnings and recommendations for ensuring correct operation of EVM motor-driven pumps.

Motor-Driven Pump ID Code

Explanation of the code used to identify motor-driven pump models.

EBARA EVM Series Specifications

General IconGeneral
ModelEVM Series
Protection DegreeIP55
Insulation ClassF
ApplicationWater supply, irrigation
Pump BodyCast Iron
ImpellerStainless Steel
MaterialCast Iron, Stainless Steel
Motor Voltage220-240V, 380-415V
Frequency50 Hz / 60 Hz
ConnectionFlanged
Seal TypeMechanical Seal
Motor Power0.37 kW to 15 kW

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