How to fix PM isolation LT error on REFU REFUsol 13K Inverter?
If your REFU Inverter shows a PM isolation LT error, it means the power section detects an isolation error on activation. Check system isolation. If you consider the isolation resistance to be in order, contact Service.
What does Keep Alive mean on REFU Inverter?
If your REFU Inverter displays Keep Alive error, it means internal communication monitoring has determined a fault. Please contact Service.
What to do if REFU REFUsol 13K Inverter displays SR parameter error?
If your REFU Inverter displays an SR parameter error, it signifies an error in parameter initialization, and the device has been permanently shut down. Please contact Service.
What to do if REFU Inverter showing update fault?
If your REFU Inverter displays an update fault, it means the update has failed. Contact Service.
What to do if REFU REFUsol 13K Inverter shows Supply voltage LT error?
If your REFU Inverter displays a Supply voltage LT error, it means the supply voltage at the power section is too low. Please contact Service.
What does Activation LT 4 mean on REFU Inverter?
If your REFU Inverter displays Activation LT 4 error, it means balancing has failed. Please contact Service.
How to resolve Initialisation C1 error on REFU Inverter?
If your REFU Inverter displays an Initialisation C1 error, restart the inverter. If this does not rectify the error, contact Service.
What to do if REFU REFUsol 13K shows DC-voltage measurement error?
If your REFU Inverter displays a DC-voltage measurement error (DC link 3), wait for the measurements to become stable again. If this takes more than 2-3 hours, please contact Service.
What does Communication LT mean on REFU REFUsol 13K Inverter?
If your REFU Inverter shows Communication LT error, it means there is a communication malfunction between the power section and the control and regulation unit. The inverter will acknowledge the error automatically. If the problem occurs repeatedly, contact Service.
What to do if REFU REFUsol 13K shows RCD fault?
If the AFI-Board unit in your REFU Inverter detects a residual current, it will lead to an immediate shutdown. Check the system isolation. If you believe the isolation impedance is fine, contact Service.
Specifies the required qualifications for personnel working with the inverter.
Highlights risks associated with incorrect operation or handling.
Details safety measures for preventing electrical shock.
Warns about and advises on handling hot surfaces.
Outlines safety precautions for handling and assembly.
Lists important checks and conditions before initial operation.
Highlights key features and specifications of the inverter models.
Details the connection points and procedures for DC input.
Specifies conditions and safety requirements for the installation location.
Details the physical mounting and installation process.
Explains the importance and method of grounding the inverter.
Details how to connect the inverter to the power supply.
Provides guidance on selecting and connecting the power supply line.
Explains how to connect the PV generator to the inverter.
Instructions for initial configuration of country, language, and acceptance.
Details how faults are detected, indicated, and stored.
Comprehensive list of error codes, their descriptions, and actions.
Step-by-step instructions for safely removing the inverter.
Detailed technical specifications for the inverter models.
General| Model | REFUsol 13K |
|---|---|
| AC nominal voltage | 400 V |
| AC voltage range | 320-480 V |
| Nominal grid frequency | 50/60 Hz |
| Max. DC voltage | 1000 V |
| Output Voltage | 400 V |
| Frequency | 50/60 Hz |
| Communication | RS485, Ethernet |
| Rated Power | 13000 W |
| MPP voltage range | 470 - 800 V |
| MPPT Voltage Range | 470 - 800 V |
| Operating Temperature Range | -25°C to +60°C |
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