APT Inverex XP Pro 750 User Manual

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Inverex Inverter

V. 1.0

Quick Guide

Table of Contents

Questions and Answers:

S
Susan BarkerAug 4, 2025
What to do if the APT Inverex XP Pro 750 buzzer beeps continuously and the red LED is on?
- K
  Kathryn StephensAug 4, 2025
  If the buzzer beeps continuously and the red LED is on, it could be due to several reasons: * A short circuit in the output: Check the wiring and remove any abnormal load. * An overload error: Reduce the connected load by turning off some equipment. * Output voltage is too high or too low: Return the unit to a repair center. * Fan fault: Replace the fan.
L
lwatersAug 15, 2025
Why does my APT Inverex XP Pro 750 work in battery mode when mains exist?
- J
  Jeff SimmonsAug 15, 2025
  The APT Inverter might be working in battery mode even when mains are available due to: * A tripped input protector: Check if the AC breaker is tripped and ensure the AC wiring is properly connected. * Insufficient AC power quality: Inspect the AC wires for being too thin or long. Also, if using a generator, verify it's functioning correctly and that the input voltage range setting (Narrow/Wide) is appropriate.
M
Michael HortonAug 25, 2025
What to do if there is no LED display on the APT Inverter when the utility power is normal?
- R
  roberto12Aug 25, 2025
  If there is no LED display on the front panel when the utility power is normal, the possible causes are: * Poor battery connection: Check the external battery cable and terminal to ensure all battery connections to the unit are correct. * Defective battery: Replace the batteries.

APT Inverex XP Pro 750 Specifications

General

Model	XP Pro 750
Capacity	750VA / 600W
Rated Power	600W
Output Waveform	Pure Sine Wave
Battery Voltage	12V
Charging Current	10A
Input Voltage	220VAC
Frequency	50/60Hz
Operating Temperature	0°C to 40°C

Summary

Important Safety Warnings

General Safety Precautions

General safety measures for indoor use, battery handling, cable selection, and unit disassembly.

Personnel Safety Precautions

Safety measures for personnel working with batteries, focusing on avoiding metal objects and sparks.

Installation Guide

Mounting the Unit

Step-by-step instructions for vertically mounting the inverter unit to a wall surface.

Connecting to Utility and Charging

Instructions for connecting the inverter to the AC power outlet for charging.

Connecting External Battery

Detailed steps for connecting the external battery, including cable polarity and terminal connections.

Installing DC Breaker

Instructions for installing a DC breaker in the positive battery line with the correct rating.

Connecting Battery Cables

Guides for connecting battery cables to external batteries, detailing series and parallel configurations.

Operation Guide

LED Indicators and Audible Alarms

Details the meaning of LED indicators and buzzer alarms for different operating states.

LCD Display Information

LCD Settings

Operating Mode Descriptions

Fault and Warning Indicators

Fault Reference Codes

Warning Indicator Codes

Troubleshooting Common Issues

Short Backup Time

Unit Operates in Battery Mode Unexpectedly

No LED Display with Utility Power

Buzzer and Red LED Active

Technical Specifications

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