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YOUR
SUNPOWER
®
SOLAR SYSTEM
GUIDE

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Do you have a question about the SunPower and is the answer not in the manual?

Questions and answers

Preston Morgan
March 6, 2025

I have a E a Sunfire inverter the largest 110. I think I can’t find my manual. I do not know how to operate. Can you please help me?

1 comments:
Mr. Anderson
May 14, 2025

To operate a SunPower inverter:

1. Turn the PV Array DC Isolator to the “ON” position.
2. Ensure any external DC or AC disconnects are also in the “ON” position.
3. Move the inverter AC Main Switch (Inverter Supply) to the “ON” position. This may be labeled “I” on some models.

To check if it’s working properly, use the inverter’s LCD display and LED lights. During daylight, it shows:

- “E-Today”: Energy produced today (in kWh)
- “Pac” and “Upv”: Instant AC power output and DC input voltage
- “E-Total” and “h-Total”: Total energy and operating hours since installation

For emergencies, turn off the inverter only after reaching safety, and contact SunPower or your SunPower Partner for assistance restarting the system.

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Summary of Contents for SunPower SunPower

  • Page 1 YOUR SUNPOWER ® SOLAR SYSTEM GUIDE...
  • Page 2 Please do not hesitate to contact your SunPower retailer with questions about your system. We are excited to welcome you to the SunPower family as you are making a change that benefits you and the environment for decades to come.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Getting Started How Your System Works Your Solar Panels Your Inverter SunPower Monitoring System Electrical Utilities General Safety Precautions Frequently Asked Questions...
  • Page 5: Getting Started

    · Worry-free Operation: With no moving parts, your SunPower system is durable and virtually maintenance free. · Clean Power Generation: Your SunPower system produces clean, emission-free solar electricity that helps to reduce air pollution.
  • Page 7 © 2012 SunPower Corporation. All Rights Reserved. SUNPOWER and the SUNPOWER Logo are registered trademarks of SunPower Corporation in the U.S. and other countries. iPhone, iPod, iPad and iTunes are registered trademarks of Apple Inc., registered in the U.S. and other countries. Android is a registered trademark of Google, Inc, registered in the U.S.
  • Page 8 SHADING · SunPower panels should be shade free: trees, plants, or other obstructions – including rooftop antennas or satellite dishes, should be removed if possible. · If necessary, safely trim any vegetation that might shade the panels during daylight hours.
  • Page 9 LED on the LCD screen should be lit. If the LED light is Red or Yellow, please contact your SunPower installer. If no LED light is on during daytime, please follow the steps below. (Please note that it is normal for the LEDs to be off during night time) 1.
  • Page 10 E- today 3.86kwh Mode MMP Message #2: Actual instantaneous AC power output and DC input voltage. 3200W 380V Message #3: System total energy production and total hours of operation since installation. E-total 724. 4kwh h-total 512h YOUR SUNPOWER SOLAR SYSTEM GUIDE...
  • Page 11 · The inverter is designed to shut down in the event of a grid outage or blackout. This feature protects your home from power surges and the utility workers who might be working to restore power to the area. Your SunPower system will not be able to produce electricity during such conditions.
  • Page 12: Your Inverter

    TECHNICAL QUESTIONS OR PROBLEMS RELATED TO YOUR SYSTEM PERFORMANCE If you have technical questions about the your monitoring system visit the troubleshooting guide at your solar inverter monitoring site. Or please call your SunPower retailer speak with a customer care representative. YOUR SUNPOWER SOLAR SYSTEM GUIDE...
  • Page 13: Electrical Utilities

    Your electrical switchboard uses the electricity produced by your solar system to power your home. If your home needs more power than your solar system provides, your local utility will supply the balance. And, if your SunPower ® system generates more energy than your home...
  • Page 14: General Safety Precautions

    GENERAL SAFETY PRECAUTIONS Your SunPower system is fully automatic and comes with built-in safety features. Do not attempt to work on, alter, or repair the system; doing so could expose you to dangerous electrical currents and void manufacturer warranties. · Do not attempt to service any portion of the system. Only a trained and certified professional should service the system.
  • Page 15: Frequently Asked Questions

    ® System? Your SunPower Partner will turn on the system for the first time to test it at installation. Once permission has been given from your utility you need to start it, please follow these steps. Move the PV Array DC Isolator to the “ON” position, make sure that any external DC or AC disconnects are also on the “ON”...
  • Page 16 Can I Increase the Size of My System? Increasing the size of your SunPower system is possible subject to local regulations. Please contact your Partner for additional information. How Long Will My Sunpower Panels Last? The combined 25-year warranty on materials, workmanship and power output protects your system for decades to come.
  • Page 17 In the 1970s, they were used for remote telecommunications and navigational aids. In the 1980s, they were used for roadside emergency telephones and traffic signs. Now in the 21st century, they help power your home. Currently, over 100,000 homeowners worldwide enjoy a SunPower solar system. YOUR SUNPOWER...
  • Page 19 NOTES YOUR SUNPOWER SOLAR SYSTEM GUIDE...
  • Page 20 SunPower Corporation © 2013 SunPower Corporation. All Rights Reserved. SUNPOWER, the SUNPOWER Logo, MORE ENERGY. FOR LIFE, MAXEON and OASIS are trademarks or registered trademarks of SunPower Corporation in the US and other countries.
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