onga LTP750 User Manual

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1

Pool Pumps

Owner’s Manual

An earth leakage or residual current

protection device must be fitted to all installations.

Should you the installer or owner be unfamiliar with the cor-

rect installation or operation of this type of equipment you

should contact the distributor/manufacturer for the correct

advice before proceeding with the installation or operation

of the product.

Table of Contents

Questions and Answers:

S
Stephanie NicholsonAug 9, 2025
How to troubleshoot Onga Swimming Pool Pump that does not run?
- A
  Ariel BryantAug 9, 2025
  If your Onga Swimming Pool Pump does not run, begin by verifying that the power outlet is functioning correctly by testing it with another electrical appliance. Check the fuse and replace it if necessary. If the automatic thermal overload has tripped, switch off the power to the pump and allow the motor to cool before switching it back on. Ensure the pump and motor have adequate ventilation and that the pump isn't jammed with debris, allowing the motor shaft to spin freely. Also, ensure that the motor is not operating on a low voltage supply. Check for any blockages in the pump or suction strainer. The motor bearings may be seized.
V
Vicki RiosAug 18, 2025
What to do if onga LTP750 Swimming Pool Pump is leaking from the motor?
- N
  Nicole MclaughlinAug 18, 2025
  If your Onga Swimming Pool Pump is leaking from between the casing and the motor, switch off the pump and loosen the casing bolts. Check the alignment and condition of the casing ‘O’ring before re-tightening. Replace the ‘O’ring if leaking persists. Replace the mechanical seal and lip seal if fitted.

onga LTP750 Specifications

General

Model	LTP750
Category	Swimming Pool Pump
Power	750W
Horsepower	1.0HP
Frequency	50Hz
Suction Size	40mm
Discharge Size	40mm
Inlet/Outlet Size	40mm
Voltage	220-240V

Summary

Technical Data

Performance Specifications

Includes maximum pump pressure, working pressure, temperature ranges, and IP rating.

Electrical and pH Specifications

Installation Guidelines

General Installation Warnings

Pump Mounting Requirements

Specifies solid, level, rigid, vibration-free mounting and optimal suction inlet height.

Operation and Safety

Electrical Operation Details

Critical Operation Warnings

Highlights dangers of running pump dry and hazardous suction.

Pump Priming and Start-up

Priming Pump Procedure

Start-up Procedure Steps

Troubleshooting Guide

Pump Does Not Run Issues

Troubleshoots causes like no power, blown fuse, or tripped overload.

Reduced or No Flow Issues

Addresses causes such as pump jamming, motor issues, closed valves, or dirty filters.

Pump Leaking Issues

Diagnoses leaks between casing and motor, relating to bolts, O-rings, or seals.

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