KSB BPHA 333 User Manual

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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:

F
floresbillyAug 13, 2025
Why won't my KSB Water Pump motor start?
- M
  morganstephenAug 14, 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.
A
Amy HansenAug 18, 2025
What to do if KSB BPHA 333 motor does not start due to low voltage?
- J
  John ReyesAug 18, 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.
K
kbaileyAug 21, 2025
How to fix a KSB BPHA 333 Water Pump motor that won't start because of a damaged cable?
- R
  Ryan WigginsAug 22, 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.
G
griceAug 25, 2025
What to do if fuses are unsuitable for KSB BPHA 333 Water Pump and the motor does not start?
- M
  Michael GarciaAug 26, 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.
J
Justin GarciaAug 28, 2025
What to do if my KSB BPHA 333 Water Pump motor does not start because of single phasing?
- O
  oloveAug 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.
H
harrislawrenceSep 1, 2025
Why KSB BPHA 333 motor could not start because of high temperature?
- S
  Suzanne DavisSep 2, 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.
D
Dana BarberSep 5, 2025
What to do if the KSB Water Pump motor does not start due to leakage?
- M
  Mark GaySep 5, 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.
H
Henry FordSep 8, 2025
What to do if KSB BPHA 333 Water Pump motor does not start due to clogged components?
- K
  Kathryn LloydSep 9, 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.

KSB BPHA 333 Specifications

General

Max Flow Rate	Up to 800 m³/h
Max Head	Up to 100 m
Seal Type	Mechanical Seal
Application	Water supply, irrigation
Speed	1450-2900 rpm
Material	Cast iron, stainless steel
Impeller Type	Closed
Connection Type	Flange
Standard	EN 733

Summary

Pumpset Safety

Safety Checks and Instructions

Ensuring pumpset safety through pre-operation checks and adherence to labeled instructions.

Installation Preparation

Installation Accessories and Equipment

Lists necessary accessories and auxiliary equipment for pump installation and dismantling.

Motor Preparation and Cable Selection

Covers motor filling, insulation checks, and selection/connection of extended cables.

Vertical Installation Procedure

Horizontal Installation Guide

Horizontal Installation Requirements

Details requirements for horizontal installation, including support and alignment.

Horizontal Execution Limits

Cable Connection to Switchgear

Motor with Single Cable Connection

Instructions for connecting a motor with a single cable for DOL starting.

Motor with Two Cables Connection

Commissioning and Start-up Procedures

Power Supply Verification

Trip Circuit and Electric Shock Protection

Ensuring overcurrent protection and protection against electric shock during start-up.

Water Level Guard and Rotation Check

Discharge Valve Position and Operation Limits

Pumpset Dismantling Procedures

Dismantling Pump Set Components

Dismantling UQD Pump Type

Dismantling BPD, BPI & BPHA Pump Types

Dismantling Motor Components

Reassembly Guidelines

General Reassembly Practices

Reassembly Sequence

Troubleshooting Motor Issues

Motor Start-up and Operation Problems

Common causes and remedies for motor not starting, tripping, or having operational issues.

Troubleshooting Motor Protection and Wiring

Addresses issues related to overload protection, wiring, and switchgear positioning.

Troubleshooting Pump Issues

Pump Fails to Deliver Water

Diagnosing and resolving issues where the pump fails to deliver water or has low flow.

Pump Vibration and Noise

Identifying causes and solutions for pumps exhibiting vibrations and noise during operation.

Pump Performance Issues

Addressing problems like low head, excessive discharge pressure, and leakage in pipes.

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