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Schüco SUNNY BOY Series - User Manual

Schüco SUNNY BOY Series
48 pages
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User Manual
PV Inverters SUNNY BOY
SUNNY MINI CENTRAL
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Summary

Notes on this Manual

Area of Validity

Lists applicable SMA inverters.

Target Group

Identifies the manual's intended user.

Additional Information

Points to installation guides and online resources.

Symbols Used

Explains safety symbols and information icons.

Safety

Appropriate Usage

Defines the inverter's intended use and restrictions.

Safety Precautions

Details high voltage dangers, hot surfaces, and overvoltage risks.

Identifying the product

Explains how to identify the inverter via its type plate.

Operating Modes

Activating the Display Illumination

Describes how to turn on the display illumination.

Initial Phase

Describes the inverter initialization phase with LEDs.

Normal Operation

Describes normal operation states indicated by LEDs.

Failures

Introduces failure conditions indicated by LEDs.

Red LED Continuously On

Indicates insulation fault or defective varistor.

Red LED Blinking

Indicates a fault on the DC side.

Yellow LED Continuously On

Indicates "Permanent Disable" mode.

Yellow LED Blinks Twice

Indicates a grid fault.

Yellow LED Blinks 3 Times

Indicates grid impedance issues.

Yellow LED Blinks 4 Times

Indicates input voltage limit exceeded or generator error.

Yellow LED Blinks 5 Times

Indicates a device fault.

Yellow LED Blinks 6 Times

Indicates high discharge current.

Yellow LED Blinks 7 Times

Indicates drastic change in differential current.

Information on the Display

Startup Phase Display Messages

Shows initial device type and firmware versions.

Operation and Fault Display Messages

Details operational data, warning, and disturbance messages.

DC Overvoltage Display

Indicates DC overvoltage via rapid blinking.

Maintenance and Cleaning

Checking Heat Dissipation

Instructions for ensuring proper heat dissipation.

Cleaning Cooling Fins and Fans

How to clean cooling fins and fans on specific models.

Cleaning the Display

How to clean the display and LEDs.

Measurement Channels and Messages

Measuring Channels

Lists and defines measured parameters and their abbreviations.

Status Messages

Explains various status messages and corrective actions.

Error Messages and Corrections

Lists error messages and their descriptions/corrections.

Glossary

Inverter

Device converting DC to AC power.

Maximum Power Point MPP

Operating point for maximum PV generator performance.

Grid Impedance

Characteristic grid specification affecting operation.

Derating

Controlled reduction in performance due to temperature.

Varistor

Protects electronics from energy peaks.

Unbalanced Load

Difference in power fed into grid phases.

Contact

Schüco SUNNY BOY Series Specifications

General IconGeneral
BrandSchüco
ModelSUNNY BOY Series
CategoryInverter
LanguageEnglish

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