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KSB BPD 242 User Manual

KSB BPD 242
20 pages
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Submersible Motor pumps
Operating Instructions
3300.8115 / 04 - 85 G3
Submersible Motor Pumps (50 Hz)
150 mm + 150 mm
175 mm + 150 mm
200 mm + 150 mm

Table of Contents

Questions and Answers:

KSB BPD 242 Specifications

General IconGeneral
BrandKSB
ModelBPD 242
CategoryWater Pump
LanguageEnglish

Summary

Safety of Pumpset

Preparation for Installation

Motor Preparations

Insulation Resistance Check

Details required insulation resistance values for safe motor operation.

Extended Cable Selection

Guidance on selecting extended cables, including voltage drop calculation.

Extended Cable Connection

Procedure for making watertight and protected cable joints.

Pump Set Preparation

Vertical Installation Guidelines

Recommendations for checking borewell trueness and ensuring sufficient clearance for vertical installation.

Horizontal Installation

Horizontal Installation Requirements

Details on supporting systems, alignment, and inclination limits for horizontal pump installation.

Cable Connection to Switchgear

Commissioning and Start-up

Protection Against Electric Shock

Ensure proper connection of the earth conductor to the motor's earthing lug.

Operation Against Closed Discharge Valve

Limit operation against a closed discharge valve to 5 minutes to prevent motor damage.

Pump Operating Limits

Operate pump continuously within specified flow rate and head limits.

Start-up Frequency

Restrict start-ups to 15 per hour with a minimum 3-minute downtime.

Services and Repairs

Authorized Service

Contact authorized service centers or dealers for repairs; do not attempt self-repair.

Dismantling Procedures

Reassembly Guidelines

Troubleshooting - Motor Issues

Motor Fails to Start

Possible causes include low voltage, damaged winding/cable, or unsuitable switches.

Motor Trips or Overloads

Addresses issues like overload protection, phase failure, or switchgear problems.

Motor Issues: Other Causes

Covers leakage, contaminated filters, incorrect control coordination, and clogged pump components.

Troubleshooting - Pump Issues

Pump Fails to Deliver Water

Possible causes: power unavailability, defective motor/cable, worn coupling, or silted pump.

Low Flow or Pressure

Addresses issues like low rotational speed, excessive discharge pressure, or worn internals.

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