Astralpool HALO DOSER User Manual

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H0740100_REVA

INSTALLATION MANUAL

FOR YOUR SAFETY - This product must be installed in accordance with AS/NZ 3000 - 2018 and any other local

applicable regulations. Before installing this product, read and follow all warning notices and instructions that

accompany this product. Failure to follow warning notices and instructions may result in property damage,

personal injury, or death. Improper installation and/or operation may void the warranty.

Improper installation and/or operation can create unwanted electrical hazard which can cause serious injury,

property damage, or death.

WARNING

halo

®

doser

TM

pH Dosing Module

Table of Contents

Questions and Answers:

B
Benjamin LopezAug 6, 2025
How to fix Astralpool Control Unit when pool pH level is too high?
- D
  Donald MillerAug 7, 2025
  If the pH level in your Astralpool Control Unit pool is rising above the set level, consider the following: * Ensure the acid drum isn’t empty. * Verify the tube going into the acid drum reaches the bottom. * Check for leaks when the filter pump is running. * Confirm the acid pump rotates during manual dosing. * Look for leaks during manual dosing. * Manually dose acid and recheck the pH. * Ensure the acid injection point isn’t blocked.
S
Sandra CrawfordAug 16, 2025
What to do if Astralpool Control Unit acid pump doesn’t rotate?
- N
  nlesterAug 17, 2025
  If the acid pump on your Astralpool Control Unit doesn’t seem to rotate, keep in mind that in automatic mode, it only activates when needed, potentially for as little as 3 seconds every 12 minutes. To check its rotation, use the manual dose option in the maintenance menu.
B
brian82Aug 27, 2025
Why water returns to the chemical drum in Astralpool Control Unit?
- D
  Danny RowlandAug 27, 2025
  If water returns to the chemical drum of your Astralpool Control Unit, check for damage to the squeeze tube and splitting in the white rigid tube inside the acid drum. Also, make sure the non-return valve is correctly installed or replace it if faulty.

Astralpool HALO DOSER Specifications

General

Brand	Astralpool
Model	HALO DOSER
Category	Control Unit
Language	English

Summary

Equipment Information Record

Important Safety Instructions

System Overview

Kit Contents

Lists all components included in the Halo Doser and mounting kit.

Installation

Plumbing and Mounting

Details how to connect the Halo Doser and mount it to the wall.

Installing the Vent Kit

Explains the steps to install the vent kit for the acid drum.

Enabling Dosing on the Halo Chlorinator

Guides on activating the acid dosing function within the Halo Chlorinator.

Control Using the Halo Chlorinator

Automatic Operation

Explains how the acid dosing is controlled automatically based on pH settings.

Manual Operation

Details how to manually run the acid dosing pump for priming or specific doses.

Operation Via the Halo ChlorGo App

Describes how to control dosing functions through the mobile application.

Regular Maintenance

Troubleshooting

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