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SMA SUNNY BOY 1100 - User Manual

SMA SUNNY BOY 1100
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SB11_12_17-IEN094131 | IMEN-SB11_17 | Version 3.1
EN
PV Inverters
SUNNY BOY 1100 / 1200 / 1700
Installation Guide

Table of Contents

Questions and Answers

  • C
    Crystal ClayAug 11, 2025
    What to do if the red LED is continuously on in my SMA SUNNY BOY 1100?
    • D
      dmortonAug 11, 2025
      If the red LED on your SMA Inverter is continuously illuminated, it indicates a ground fault in the PV generator or a defective varistor. The installer needs to fix the ground fault before you reconnect the string. Do not reconnect the faulty string. Close the Sunny Boy. It is also possible that one of the thermally monitored varistors is defective. In that case, check the varistors.
  • V
    Veronica HamptonAug 22, 2025
    Why is the red LED continuously on in my SMA SUNNY BOY 1100 Inverter?
    • R
      Richard FrazierAug 22, 2025
      If the red LED on your SMA Inverter is continuously on, it indicates a ground fault in the PV generator or a defect in one or more of the varistors for overvoltage protection. The installer of the PV generator must fix the ground fault in the affected string before you reconnect it to the Sunny Boy. Do not reconnect the faulty string. You should also check the varistors.
  • T
    trujillosaraSep 1, 2025
    What to do if there is no conducting connection between connectors B and C in SMA SUNNY BOY 1100?
    • T
      Tim RussellSep 1, 2025
      If there is no conducting connection between connectors B and C in your SMA Inverter, the varistor is not working and needs to be replaced. SMA Solar Technology recommends replacing both varistors, which can be ordered directly from SMA Solar Technology.

SMA SUNNY BOY 1100 Specifications

General IconGeneral
ModelSunny Boy 1100
TypeString Inverter
Output Power1100 W
Max. Input Voltage600 V
Min. Input Voltage80 V
Max. Input Current10 A
Max. AC Current5 A
AC Voltage230 V
Efficiency96.5%
TopologyTransformerless
Protection ClassIP65
Number of MPP Trackers1
Operating Temperature Range-25 °C to +60 °C
CoolingNatural convection
AC Voltage Range184 - 276 V
AC Frequency50/60 Hz
Input Voltage Range80 V - 600 V

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