EasyManua.ls Logo

Danfoss DLX 3.8 UL

Danfoss DLX 3.8 UL
95 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
DLX
User Guide
DLX 2.0 UL - DLX 2.9 UL - DLX 3.8 UL - DLX 4.4 UL
MAKING MODERN LIVING POSSIBLE
SOLAR INVERTERS

Table of Contents

Other manuals for Danfoss DLX 3.8 UL

Question and Answer IconNeed help?

Do you have a question about the Danfoss DLX 3.8 UL and is the answer not in the manual?

Danfoss DLX 3.8 UL Specifications

General IconGeneral
UL StandardUL 1741
Frequency60 Hz
Protection ClassIP65
Cooling MethodConvection
AltitudeUp to 3000 m
TypeGrid-Tie Inverter
Maximum DC Power3800 W
AC Voltage208/240 V
Maximum DC Voltage600 V
Ambient Temperature-25 to 60°C
Storage Temperature-40°C to +70°C
Humidity0-100%

Summary

Important Safety Instructions

Safety Precautions and Qualified Persons

Covers general safety guidance, personnel qualifications, and safety protection features.

Warning Signs and Electrical Codes

Explains hazard warning symbols and requirements for electrical code compliance.

Introduction

DLX UL Series Overview

General description of the DLX UL inverter series, its features, and automatic operation.

Integrated Web Server

Details on the web server for data monitoring and the inverter's automatic start-up and shutdown.

Automatic System Operation

Describes the inverter's automatic start-up, MPPT function, and sleep mode.

Product Overview

Standards and Approvals

Lists the safety and EMC standards the DLX UL inverters comply with.

General Information: Variants and Options

Covers available product variations and optional features for DLX UL inverters.

Key Features

Highlights the inverter's main capabilities.

Warning Symbols Explained

Explains hazard warning symbols used in the guide.

Safety Precautions

General Preparations and Connections

Covers initial preparations, contacting the utility, and safe electrical connection warnings.

Site Preparations

Details requirements for mounting location and ventilation.

Required Safety Equipment

Specifies necessary safety equipment like disconnection and overcurrent protection devices.

Installation

Mechanical Installation

Guides on wall bracket assembly, inverter mounting, and ensuring correct spacing.

Checks Prior to Electrical Installation

Lists essential checks before proceeding with electrical connections for safety.

Electrical Installation: Conductors

Covers conductor sizing criteria: ampacity and voltage drop.

Electrical Installation: Connection Area

Identifies and explains the customer connection area terminals.

Electrical Installation: Conduits

Details how to use knock-outs for conduit fittings on the Stringbox.

Electrical Installation: Grounding

Explains the importance and procedure for proper PV system grounding.

Electrical Installation: DC Connections (PV)

Guides for connecting PV array wiring to the inverter's DC terminals.

Electrical Installation: AC Connections (Grid)

Details grid connection procedures for single-phase systems with and without neutral.

Network Connections

Explains Ethernet, CAN, and RS-485 interface connections for communication.

Checks Before Start Up

Final checklist to ensure all installation steps are correctly completed before powering on.

Start Up

Initial Start and Configuration

Procedure for the first power-up, including initial settings and installation menu.

User Interface and Settings Customization

Explains the LCD screen, LEDs, function keys, and how to customize settings.

Start Installation Process: Key Settings

Walkthrough of installation wizard for language, date, time, and grid configuration.

Operation

Access Levels and Passwords

Details the different user access levels (Guest, Owner, Installer) and password management.

Home Screen Display

Describes the inverter's standard display screens for single units and PV plants.

Status and Mode Information

Explains inverter status indicators (LEDs) and operational modes.

Setup Menu Options

Overview of setup categories including General, Network, Inverter, Plant, and Grid configuration.

Commands and Alarm Setup

Features for deleting data, managing alarms, and setting up email notifications.

Event Log and Statistics

Information on logged events, daily, monthly, and yearly performance statistics.

Inverter and PC Connectivity

Guides on connecting the inverter to a computer via Ethernet or network.

Internal Webserver Access

Instructions for accessing the inverter's web interface for detailed information and settings.

Troubleshooting

Checklist for Power Feed-in Issues

A guide to diagnose why the inverter is not feeding power to the grid.

Table of Events and Error Messages

Explains operational messages, warnings, and alarms with corresponding actions.

Maintenance

Switch-OFF and Discharge Procedures

Safe procedures for turning off and discharging the inverter before maintenance.

Regular System Inspections: Components

Covers checks for modules, cables, connections, fuses, and DC fuses/ground fuse.

Inverter Internal Checks and Ventilation

Procedure for checking inverter interior for humidity/dust and cleaning the heatsink.

Fan and Varistor (VDR) Maintenance

Instructions for fan replacement and regular inspection of varistors for protection.

Device Replacement Procedure

Step-by-step guide for dismounting and replacing the inverter unit.

Return and Disposal Guidelines

Procedures for returning the inverter for repair or for proper disposal.

Warranty

Warranty Service and Conditions

Details on warranty duration, service requirements, and disclaimer for misuse.

Damage Exclusions

Lists conditions under which Danfoss is not responsible for inverter damage.

Technical Data

Inverter Datasheet Specifications

Comprehensive technical specifications for DLX UL inverter models, including AC/DC parameters.

Field Adjustable Trip Levels

Adjustable voltage and frequency trip limits for different grid configurations.

Related product manuals