ATX Hydrosmart L932/B User Manual

ATX Hydrosmart L932/B

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Intelligent Pump Controller

L932/B

Ver.1.1

Installation & Operation Manual

INTELLIGNET PUMP

CONTROL PANEL

IP54

Before carrying out any installation or maintenance

operation, controller must be disconnected from the

power supply;

Don't open the cover during running the controller;

Don't put wire,metal bar filaments etc into the

controller;

Don't splash water or other liquid over the controller;

INTELLIGNET PUMP

CONTROL PANEL

IP54

Before carrying out any installation or maintenance

operation, controller must be disconnected from the

power supply;

Don't open the cover during running the controller;

Don't put wire,metal bar filaments etc into the

controller;

Don't splash water or other liquid over the controller;

L932/B

STORE

SET

3 8 0

V

1 6 0

A

AUTO

A

0 8

Bar

A

PUMP

B

B

Controladores Inteligentes de bombas

Table of Contents

Questions and Answers:

J
Jose WilliamsAug 16, 2025
What to do if the ATX Hydrosmart L932/B Control Panel is flashing 'OVER LOAD'?
- M
  Megan TerrellAug 16, 2025
  If the ATX Control Panel displays a flashing 'OVER LOAD' message, it indicates that the real running ampere is higher than the calibrated running ampere, placing the pump in overload protection. The L932/B will attempt to restart the pump every 30 minutes until the running ampere returns to normal. Another possible cause is a jammed pump impeller, a dragging pump motor, or a broken pump bearing, in which case you should check the pump impeller or bearing.
M
Mary StoneAug 19, 2025
What to do if the ATX Hydrosmart L932/B Control Panel is flashing 'OPEN PHASE'?

ATX Hydrosmart L932/B Specifications

General

Brand	ATX
Model	Hydrosmart L932/B
Category	Control Panel
Language	English

Summary

Controller Components Overview

Identification of Controller Parts

2 Installation Procedures

Power and Pump Electrical Connections

Guide on wiring the controller to the main power supply and connecting it to the electrical pumps.

Parameter Calibration

Setting and Erasing Pump Calibration

Step-by-step guide for setting and erasing pump calibration parameters for optimal protection.

3 Electrical Connections

Liquid Probe and Float Switch Installation

Pressure Transmitter Installation

Pressure Transmitter Technical Data

Booster Pumping System Wiring

Electrical Connection Diagram

Illustrates the electrical connections for a pressure booster pumping system, including probes and pumps.

4 Setting Working Pressure Values

Cut-Off Pressure Setting

Procedure for configuring the pressure value at which the pump system will shut off.

1st Pump Cut-In Pressure Setting

Procedure for setting the pressure value for the first pump to start operation.

2nd Pump Cut-In Pressure Setting

5 Basic Operation Modes

Manual Operation Mode

Automatic Operation Mode

Auto Mode Logic Explained

Pump Protection Functions

Describes the controller's safety features against dry run, overload, and voltage issues.

6 Communication Link Features

Passive Dry Contact Connection

8 Troubleshooting Guide

Voltage and Phase Faults

Troubleshooting steps for under/over voltage, open phase, and phase reversal errors.

Overload and Calibration Faults

Dry Run and Phase Imbalance

Repeated Start and Communication Issues