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Delios DLS 300 - User Manual

Delios DLS 300
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INSTRUCTION MANUAL
- OPERATION
- INSTALLATION
- MAINTENANCE
Carefully read this instruC-
tions before use.
DLS 300 / 450 / 450H / 600L / 600
DLS 300C / 450C / 600C
TRANSLATED FROM
THE ORIGINAL IN
ITALIAN LANGUAGE
Code: 240.010.0042
Date: 31/01/2022
Rev.: 01
GB

Table of Contents

Questions and Answers

  • E
    Eric ClarkAug 20, 2025
    What to do if my Delios DLS 300 Inverter shows high grid voltage?
    • M
      Mrs. Tammy DanielAug 20, 2025
      If your Delios Inverter indicates a high grid voltage, first ensure that the mains voltage is within the range allowed by local regulations. Check the network impedance. If the mains voltage is not within the permitted range due to local grid conditions, contact the grid operator to evaluate adapting the voltages or request approval for changing operating limits. If the mains voltage is within the allowed range, but the alarm persists, contact the technical support service.
  • F
    Frank BartonAug 22, 2025
    What to do if my Delios DLS 300 Inverter displays a high internal temperature?
    • J
      Joanna ShahAug 22, 2025
      If your Delios Inverter is showing a high internal temperature, check that the inverter is correctly positioned and installed according to the manual's "Positioning" and "Mounting" sections. Also, verify that the ambient temperature is within the allowed range, the cooling fans are working correctly, and there is no dust accumulation near the ventilation openings. If the problem persists, contact the technical support service.
  • L
    lloydchaseAug 25, 2025
    What to do if my Delios Inverter shows low grid voltage?
    • J
      Jeffrey TrevinoAug 25, 2025
      If your Delios Inverter indicates a low grid voltage, make sure that the mains voltage is within the range allowed by local regulations. Check the network impedance. If the mains voltage is not within the permitted range due to local grid conditions, contact the grid operator to evaluate adapting the voltages or request approval for changing operating limits. If the mains voltage is within the allowed range, but the alarm persists, contact the technical support service.
  • K
    kjonesAug 27, 2025
    What to do if my Delios DLS 300 Inverter shows AC overcurrent?
    • L
      Linda WeissAug 27, 2025
      If your Delios Inverter is showing an AC overcurrent error, check the sizing and output connections to the system. Refer to the section "Electrical connections". If the problem continues, contact the technical support service.
  • Q
    qchanAug 28, 2025
    Why is my Delios Inverter battery not recognized?
    • H
      hornterryAug 28, 2025
      If your Delios Inverter is not recognizing the battery, check the connections and polarity at the BATTERY inputs. Ensure the battery voltage is within the allowed operating limits. Refer to the section "Electrical connections". If the problem persists, contact the technical support service.
  • C
    Christopher SparksAug 30, 2025
    What to do if my Delios DLS 300 Inverter shows high grid frequency?
    • S
      Sarah WilliamsAug 30, 2025
      If your Delios Inverter indicates a high grid frequency, make sure that the grid frequency is within the range allowed by local regulations. If the grid frequency is not within the permitted range due to local grid conditions, contact the grid operator to request approval for the change to the operating limits. If the grid frequency is within the allowed range, but the alarm persists, contact the technical support service.
  • T
    Teresa ChavezSep 1, 2025
    What to do if my Delios DLS 300 Inverter shows NEUTRAL line wrongly connected?
    • S
      Stefanie MorseSep 1, 2025
      If your Delios Inverter indicates that the NEUTRAL line is wrongly connected, check that the connections of the AC input and output lines respect the assigned polarity. If the problem persists, contact the technical support service.
  • J
    Jacob CunninghamSep 3, 2025
    What to do if my Delios DLS 300 Inverter has communication fault with the external energy meter?
    • K
      Katherine BellSep 3, 2025
      If there is a communication fault with the external energy meter, check the communication cable and connection with the energy meter, and verify the energy meter configuration and system settings. Switch off and restart the system. Refer to the sections "System switching off" and "System switching on". Should the problem persist, contact our technical support service.
  • A
    afisherSep 5, 2025
    What to do if my Delios DLS 300 Inverter shows Internal current leakage?
    • J
      John HowardSep 5, 2025
      If your Delios Inverter is showing an internal current leakage, switch off and restart the system. Refer to the sections "System switching off" and "System switching on". Should the problem persist, contact our technical support service.
  • R
    Randall ChristensenSep 7, 2025
    What to do if my Delios DLS 300 shows Feeding in a direct current with a value higher than the admitted threshold?
    • I
      Isabella TorresSep 7, 2025
      If your Delios Inverter indicates that it's feeding in a direct current with a value higher than the admitted threshold, make sure that there is a direct current fed into the grid. If the direct current fed into the grid does not fall within the permitted range for reasons due to the local grid conditions, contact the grid operator to request approval for the modification to the operating limits. If the direct current fed into the grid it is within the allowed range, but the alarm persists, contact the technical support service.

Delios DLS 300 Specifications

General IconGeneral
Input Voltage12V DC
Continuous Power300W
Surge/Peak Power600W
Output WaveformModified Sine Wave
USB Output5V DC, 2.1A
EfficiencyUp to 90%
Frequency50Hz
Protection FeaturesOverload, Overheat, Short Circuit
CoolingFan Cooling
USB Port1 x USB Type-A