ABB TRIO-20.0/27.6-TL-OUTD

ABB solar inverters
Product manual
TRIO-20.0/27.6-TL-OUTD
(20.0 to 27.6 kW)

ABB TRIO-20.0/27.6-TL-OUTD Specifications

General

Model	TRIO-20.0/27.6-TL-OUTD
Category	Inverter
Manufacturer	ABB
Number of MPPT	2
Cooling	Natural convection
Protection Class	IP65
Max. AC Voltage	400 V
AC Frequency	50 / 60 Hz
MPPT Voltage Range	200 - 800 V
Maximum DC Input Voltage	1000 V
AC Output Voltage	400 V
Operating Temperature Range	-25°C to +60°C
Max AC Power	20 kW
Rated Power Output	20 kW

Summary

Characteristics

Models and range of equipment

Wiring Box components

Identifies and illustrates the components within the inverter's wiring box.

Principal wiring box components

Characteristics and technical data

Provides detailed technical specifications and data for the inverter models.

Power derating

Explains conditions leading to automatic power reduction by the inverter.

Derating due to environmental conditions

Derating due to the altitude of the installation

Derating due to the input voltage

Protective devices

Details the integrated protective devices ensuring safe operation of the inverter.

Safety and Accident Prevention

Safety instructions and general information

General safety guidelines and information for operating the equipment.

Hazardous areas and operations

Thermal hazard

Clothing and protective devices for staff

Installation

Environmental checks

Installation position

Provides guidelines for selecting the optimal installation location and minimum distances.

Wall mounting

Details the procedure for mounting the inverter bracket and unit on a wall.

Operations preparatory to PV generator connection

Describes checks required before connecting the PV generator.

Checking the correct polarity of the strings

Procedure to verify correct polarity of PV strings using a voltmeter.

Checking of leakage to ground of the photovoltaic generator

Choice of differential protection downstream of the inverter

Independent or parallel input channels configuration

Explains how to configure input channels for independent or parallel operation.

Input connection to the PV generator (DC side)

Guides on connecting the PV generator to the inverter's DC input.

Connection of inputs on the Standard and S2 models

Details DC input connection for Standard and S2 models using cable glands.

Connection of inputs on the S2 F S2 X model

Details DC input connection for S2F/S2X models using quick fit connectors.

Installation procedure for quick fit connectors

String protection fuses (-S2 F S2 X models only)

Details the use and sizing of string protection fuses for specific models.

Grid output connection (AC side)

Provides instructions for connecting the inverter to the AC grid.

Load protection switch (AC disconnect switch)

Recommends protection devices for the AC connection line against overcurrent.

Communication card

Describes the communication card and its various ports and settings.

Serial Communication Connection (RS485)

Monitoring and control systems

Procedure for connection to a monitoring system

Operation

Preliminary operations before commissioning

Grid standard setting of the country and language display

Checking the polarity of the strings (models S2 F and S2 X only)

Procedure for checking string polarity using the "Strings self-test" function.

Commissioning

Step-by-step guide for commissioning the inverter after installation, including checks.

Display access and settings

LED behaviour

AUTOTEST procedure in accordance with standard CEI 0-21

Details the automatic test procedure required by standard CEI 0-21 for grid compliance.

Turning off the inverter

Provides safety procedures for turning off the inverter before maintenance or work.

Maintenance

Routine maintenance

Troubleshooting

Guidance on understanding and resolving error/warning messages displayed by the inverter.

Alarm Messages

Power limitation messages

Dismantling the inverter

Step-by-step instructions for safely dismantling the inverter unit.

Registration on Registration website and calculation of second level password (Service Menu)

Replacing the string fuses (versions S2 F S2 X)

Replacing the back-up battery

Measuring the insulation resistance of photovoltaic generator