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KSB UQD 112 - User Manual

KSB UQD 112
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

  • M
    Michelle AndersonAug 13, 2025
    Why won't my KSB Water Pump motor start?
    • M
      Maria PriceAug 13, 2025
      There are several reasons why your KSB water pump motor might not start. It could be due to voltage issues, such as too low or no voltage. Try retightening loose connections or contacting your electrical supply authority. Another reason could be damaged motor winding or supply cable, which would need repair or replacement. Also, check if the fuses or automatic switches are suitable and replace them if necessary. In the case of a three-phase motor, failure of a phase can cause this issue; rectify loose connections, replace fuses, or consult an electrical authority.
  • V
    Valerie MartinezAug 16, 2025
    What to do if KSB UQD 112 Water Pump motor does not start due to low voltage?
    • M
      Michael PriceAug 17, 2025
      If your KSB Water Pump motor isn't starting because of low or no voltage, retighten any loose connections. If the problem persists, contact your electrical supply authority for assistance.
  • P
    Parker RobertsAug 20, 2025
    How to fix a KSB UQD 112 Water Pump motor that won't start because of a damaged cable?
    • J
      John BellAug 20, 2025
      If your KSB Water Pump motor won't start due to a damaged motor winding or supply cable, the solution is to repair or replace the motor or cable.
  • S
    Sarah MccoyAug 25, 2025
    What to do if fuses are unsuitable for KSB UQD 112 and the motor does not start?
    • C
      Craig HallAug 25, 2025
      If your KSB Water Pump motor isn't starting and you suspect the fuses or automatic switches are not suitable, replace the fuse or switch with a more appropriate one.
  • A
    Amber UnderwoodAug 28, 2025
    What to do if my KSB UQD 112 motor does not start because of single phasing?
    • R
      rita77Aug 28, 2025
      If your KSB Water Pump motor isn't starting due to failure of a phase (single phasing in 3 phase motor), rectify any loose connections, replace fuses, or consult with your electrical authority.
  • M
    Mitchell RyanAug 31, 2025
    Why KSB Water Pump motor could not start because of high temperature?
    • M
      mchristensenAug 31, 2025
      If the switchgear is positioned in a place that is too warm, this can prevent your KSB Water Pump motor from starting. Protect the switchgear from heat to resolve this issue.
  • L
    Laura HarrisSep 4, 2025
    What to do if the KSB Water Pump motor does not start due to leakage?
    • M
      Mary FergusonSep 4, 2025
      If leakage in the unit or a faulty pressure gauge is preventing your KSB Water Pump motor from starting, trace the leakage and seal it.
  • O
    orogersSep 8, 2025
    What to do if KSB Water Pump motor does not start due to clogged components?
    • J
      johnswilliamSep 8, 2025
      If pump components are clogged, which prevents your KSB Water Pump motor from starting, the pump should be repaired to prevent such incidents. To prevent this, the pumpset should not be idle for a long time and should be operated at least once a week.

Summary

General

Safety of Pumpset

Essential safety precautions and guidelines for operating the pumpset.

Safety checks of Pumpset

Procedures for inspecting the pumpset upon receipt and before operation.

Labeled instruction on pumpset

Instructions and labels affixed to the motor and pump for correct usage.

Unauthorized spare parts and modifications

Policy on using only authorized spare parts and prohibiting modifications.

Unauthorized mode of operation

Conditions under which the warranty is voided due to improper operation.

Unauthorized site condition

Situations where the warranty is invalidated by site conditions or liquid handling.

Water characteristics

Specifications for clean water quality required for pumpset operation.

Preparation for Installation

Installation and operational accessories

List of essential accessories required for installation and commissioning.

Auxiliary equipment required for installation and dismantling

Tools and equipment needed for safe installation and removal of the pumpset.

Motor preparations for installation

Procedures for preparing the motor before connecting it to the pump.

Motor filling

Instructions for filling the motor with clean potable water.

Insulation resistance (IR)

Measuring and checking the motor's insulation resistance.

Selection of Extended Cable

Guidelines for selecting appropriate extended cables based on voltage drop.

Extended Cable connection

Method for making watertight and secure connections for extended cables.

Preparation of Pump set for installation

Steps to couple and prepare the pump and motor for installation.

Vertical installation

Horizontal Installation

Cable connection to the Switchgear

Motor with 1 cable

Wiring details for connecting a motor with a single cable for DOL starting.

Motor with two cables

Distinguishing and connecting motors with two cables, either open circuit or parallel.

Submersible motor with open circuit

Connection options for motors with open circuit wiring.

Motor with two cables in parallel

Connection methods for motors with two cables in parallel.

Commissioning and start up

Verification of power supply

Checking the main supply voltage and frequency against motor specifications.

Trip circuit for over current

Setting the over-current relay in the control panel for motor protection.

Protection against electric shock

Ensuring proper earthing connection for safety.

Installation of water level guard

Installing a device to prevent dry running of the pumpset.

Checking the direction of rotation

Methods to verify the correct rotation direction of the pump.

Discharge valve position during initial start-up

Recommended valve opening for initial startup to check sand content.

Operation against a closed discharge valve

Limitation on running the pumpset against a closed discharge valve.

Operation against a throttled discharge valve

Guidelines for operating against a throttled discharge valve to avoid issues.

Operating limits of pump

Adhering to specified flow rate and head limits for safe operation.

Start-up frequency

Limiting the number of start-ups per hour to prevent motor overheating.

Interruptions; Shutdown periods

Recommendations for pump operation during idle periods to prevent damage.

Services

Dismantling

Pump set

Procedure for dismantling the main pump set components.

Pump U type (UQD)

Specific dismantling steps for UQD type pumps.

Pump B type (BPD, BPI & BPHA)

Specific dismantling steps for BPD, BPI, and BPHA type pumps.

Motors

Instructions for dismantling the motor components.

Trouble shooting

Motor

Troubleshooting guide for common motor starting and operation problems.

Pump

Troubleshooting guide for common pump performance issues.

Recommended spare parts for 2 years of operation

Pump

Recommended spare parts for the pump section.

Motor

Recommended spare parts for the motor section.

Pump Construction (Schematic)

Radial flow pump (150 mm) - UQD 112, 152, 182 & 212

Detailed construction schematic for specific radial flow pump models.

Mixed flow pump (150;175;200 mm) - BPD 242, 273, 302, BPI 333 & BPHA 333, 384

Motor Construction (Schematic)

UMAI 150 (Up to 15 HP)

Detailed construction schematic for the UMA I 150 motor.

UMAG 150; UMAH 150 (Above 15 HP)

Annexure I - Environment Protection - Product Disposal after useful life

KSB UQD 112 Specifications

General IconGeneral
BrandKSB
ModelUQD 112
CategoryWater Pump
LanguageEnglish

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