Afore Residential HNS Series User Manual

Afore Residential HNS Series

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Residential HNS series:

HNS 1000/ 1500/ 2000/ 2500/ 3000 / 3600 TL-1

HNS 3000/ 3600/ 4000/ 5000 TL

Installation and Operation Manual

On-Grid PV Inverter

Version：03.610100050113-V0.01

Questions and Answers:

C
Cassie RosalesAug 4, 2025
What to do if my Afore Inverter shows 'No Utility'?
- L
  Lindsay CalderonAug 4, 2025
  If your Afore Inverter displays a 'No Utility' error, it could be due to several reasons: a utility loss, the AC side circuit breaker being turned off, a poor connection on the AC side, or an inverter fault. First, if the grid returns to normal, the inverter will restart automatically. If not, replace the AC circuit breaker and check the AC connector for a secure connection. If the fault persists after several restarts, the inverter may need replacement.
S
Scott WalkerAug 10, 2025
How to fix Bus High Fault/Bus Fault on Afore Inverter?
- J
  Joseph WheelerAug 10, 2025
  A 'Bus High Fault' or 'Bus Fault' on your Afore Inverter can be caused by high PV input voltage or a poor AC side connection. To resolve this, check that the PV input voltage is within the acceptable range: 450Vdc for models up to 3.0kW, or 500Vdc for models up to 5.0kW. Also, ensure the AC connector and circuit breaker are well connected.
M
Michael MccartyAug 15, 2025
What to do if Afore Inverter shows Over Temperature Fault?
- J
  Jamie TurnerAug 15, 2025
  If your Afore Inverter displays an 'Over Temperature Fault', it may be due to the inverter enclosure being too hot or a temperature sensor fault. Turn off the inverter and allow it to cool down to a normal temperature. Consider relocating the inverter to a well-ventilated area. If the problem persists, the temperature sensor may need to be replaced.
S
Sharon KleinAug 22, 2025
Why does my Afore Inverter show a Ground Current Fault?
- S
  Seth WoodardAug 22, 2025
  A 'Ground Current Fault' on your Afore Inverter can occur due to poor earthing leading to high leakage current, or if the PV(+) or PV(-) is earthed. To address this: 1. Check the AC output wiring and restart the inverter. 2. Check the PV array wiring.
K
Kimberly BarberAug 28, 2025
How to resolve PV Over Fault on Afore Inverter?
- T
  Tracy PierceAug 28, 2025
  A 'PV Over Fault' on your Afore Inverter typically indicates that the PV array's Voc (open-circuit voltage) is too high. You should re-design the PV array configuration. Also, measure the PV array voltage to ensure it matches what the inverter displays.

Afore Residential HNS Series Specifications

General

Max. DC Voltage	550V
Start Voltage	80V
MPPT Voltage Range	70V-500V
Number of MPPT	1
Nominal AC Voltage	230V (220V/240V)
AC Voltage Range	160V-280V
Nominal Grid Frequency	50/60Hz
Power Factor	>0.99
THDi	<3%
Max. Efficiency	97.8%
European Efficiency	97%
DC Connection	MC4
AC Connection	Plug
Protection Degree	IP65
Operating Temperature Range	-25~+60°C
Cooling	Natural convection
Dimensions (W x H x D)	305420158mm
Weight	7.5kg
Storage Temperature	-40~+70°C
Humidity	0~100%
Altitude	4000m

Summary

Inverter Installation Guide

Selecting the Mounting Location

Connecting PV Panels

Details requirements and steps for connecting PV panels to the inverter.

Connecting to the AC Grid

Explains the procedure and requirements for connecting the inverter to the AC grid.

Establishing Communication Connection

Describes how to establish communication using monitoring modules and ports.

Inverter Operation Procedures

Inverter Control Panel Explained

Initial Inverter Startup Settings

Guides the initial configuration of the inverter.

Adjusting Inverter Parameters

Details how to adjust various operational parameters of the inverter.

Inverter Commissioning Process

Commissioning Steps and Checks

Inverter Shutdown and Restart

Safe Inverter Shutdown Procedures

Inverter Restart Instructions

Inverter Maintenance and Troubleshooting

Routine Inverter Maintenance

Troubleshooting Fault Codes

Explains fault codes displayed by the inverter and provides troubleshooting guidance.

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