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First Solar 7 TR1 Series User Manual

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REV 1.4
First Solar Series 7 TR1 Module - USER GUIDE
MPD-00752-07-US
Not Intended for Residential Use in USA or rooftop applications, including commercial and industrial.

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  • Page 1 REV 1.4 First Solar Series 7 TR1 Module - USER GUIDE MPD-00752-07-US Not Intended for Residential Use in USA or rooftop applications, including commercial and industrial.
  • Page 2 Information furnished by First Solar is believed to be accurate and reliable. However, no responsibility is assumed by First Solar or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties, which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of First Solar or its subsidiaries.

  • Page 3: Table Of Contents

    First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 2 of 27 TABLE OF CONTENTS INTRODUCTION SAFETY REGULATORY COMPLIANCE PRODUCT IDENTIFICATION & RATINGS 4.1 PRODUCT IDENTIFICATION & RATINGS 4.2 WIRING SYSTEM DERATING FACTORS HANDLING & STORAGE 5.1 TRUCK/CONTAINER UNLOADING 5.2 ON-SITE PACK HANDLING...

  • Page 4: Introduction

    User Guide. Read this User Guide thoroughly before beginning any work related to installation, operation, or maintenance. Please refer to your First Solar Module Warranty Terms & Conditions for module warranty terms and product return policies. Failure to follow this User Guide may void your warranty.

  • Page 5: Safety

    All instructions and safety information must be read and understood before attempting to handle, install, or electrically connect First Solar modules. Failure to follow safety, installation, and handling instructions may result in injury. Only qualified personnel must install, operate, or maintain PV modules or systems. PV modules or systems are not intended to be used in USA residential settings (Residential settings must mean and refer to any building or structure intended for human habitation).
  • Page 6 Incorporate measures to protect modules against RCOL for connections of parallel ► strings. Modules damaged because of system-induced RCOL are not covered under the First Solar Module Warranty. Module warranty eligibility is not affected by the presence, absence, or type of reverse current protection used in a system design.

  • Page 7: Regulatory Compliance

    It is the responsibility of the installer and/or system integrator to ensure compliance with all local structural and electrical codes, which may be applicable to the installation and use of First Solar Series 7 TR1 modules. For systems installed in North America, First Solar Series 7 TR1 modules are Listed by a Nationally Recognized Test Laboratory (NRTL) to UL 61730, the standard for Flat-Plate Photovoltaic Modules and Panels.

  • Page 8: Product Identification & Ratings

    First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 7 of 27 PRODUCT IDENTIFICATION & RATINGS 4.1 PRODUCT IDENTIFICATION & RATINGS Each module is equipped with a product label on the back and laser-etched identification on the front glass.

  • Page 9: Wiring System Derating Factors

    First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 8 of 27 Table 2: Temperature Characteristics TEMPERATURE CHARACTERISTICS Module Operating Temperature Range (°C) -40 to +85 Temperature Coefficient of P -0.32%/°C (Temperature Range: 25°C to 75°C) Temperature Coefficient of V -0.28%/°C...

  • Page 10: Handling & Storage

    Tilt angle between 0 and 10 degrees. CAUTION First Solar is not responsible for the transportation of modules from the original point of destination listed in the purchase order under which the modules are sold to another location. Any damage to the pack, pallet, or modules that are determined to be caused by transportation to an alternate location not specified in the purchase order shall be the sole responsibility of the owner.

  • Page 11: On-Site Pack Handling

    First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 10 of 27 5.2 ON-SITE PACK HANDLING • Requirements: Refer to table 3 below for minimum fork engagement requirements. All equipment handling packs must have a minimum mast width of 2.3m (92.5in) and minimum height of 1.1m (44in) or use a jig meeting these guidelines.

  • Page 12: On-Site Storage

    First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 11 of 27 CAUTION • Failure to meet fork engagement lengths may cause damage to the modules or pack. Make sure lifting equipment meets specifications based on the dimensions and weight of the pack.
  • Page 13 First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 12 of 27 Minimum Fork Engagement Figure 4: Series 7 TR1 Short Side Forklift Engagement Fig ure 4: Modules in a pack may lean or shift on a pallet during shipping. Ensure packs are stable prior to transporting.

  • Page 14: Mechanical Specifications

    First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 13 of 27 MECHANICAL SPECIFICATIONS Table 4: Module Mechanical Specifications SPECIFICATION Series 7 TR1 (FS-7XXXA-TR1) Module Weight 38.4 / 39.7 kg ± 3.5 kg (84.66 / 87.5 lbs. ± 7.7 lbs.) Height 56 mm (2.2 in)

  • Page 15: Installation & Mounting

    First Solar is not responsible for bonding failure, breakage, damage, wear, corrosion, or module performance issues that are deemed to be caused by design or installation practices that do not comply with this User Guide.
  • Page 16 User Guide (Such as - asymmetric mounting, higher load ratings, alternative clamp geometry, etc.) may be permitted, but require evaluation by First Solar (technicalsupport@firstsolar.com). First Solar reserves the right to reasonable access to validate proper installation.

  • Page 17: Backrail Mounting

    First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 16 of 27 7.3 BACKRAIL MOUNTING Series 7 TR1 module back rails include 4 or 6 slotted holes through each rail. Mounting Clips must extend beyond either side of the mounting bracket or have a retention feature to prevent module back rail dislodgement under load.

  • Page 18: Module Orientation

    First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 17 of 27 7.4 MODULE ORIENTATION PV performance modeling software, such as PlantPredict software by Terabase Energy Inc.(http://www.plantpredict.com), should be used to determine the optimum orientation and tilt angle for each location.

  • Page 19: Wire Management

    First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 18 of 27 7.6 WIRE MANAGEMENT All wire management must comply with the applicable NEC/IEC codes and standards for maintaining and managing wires, as well as any applicable local requirements determined by local authorities having jurisdiction.

  • Page 20: Electrical Interconnection

    Module-to-module and module-to-harness interconnection must utilize the same manufacturer and type of connectors. First Solar cannot guarantee that connectors from different manufacturers or type of connectors will be mateable. Any damage to the module resulting from any such interconnection will not be covered by the First Solar module warranty.

  • Page 21: Inverter Compatibility

    First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 20 of 27 Wiring harnesses are recommended in system designs. The shorter string size and low string current of Series 7 TR1 modules make it possible to connect multiple strings together in parallel and return a single pair of DC cables to the combiner box or string inverter.

  • Page 22: Grounding Method

    Functional grounding of one current carrying pole ► First Solar recommends Series 7 TR1 modules be used in negative-grounded systems. Modules must not be subjected to negative voltage bias conditions that can occur in voltage floating or bi- polar systems (subjecting modules to conditions that could drive potential induced degradation).
  • Page 23 First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 22 of 27 Slide the flat washer on the screw, followed by the cupped washer with the smaller end of the cup washer closest to the cap bolt head. Affix the copper grounding wire between the flat washer and the cupped toothed washer and tighten the screw securely into the frame grounding hole.

  • Page 24: Maintenance

    Varying snow conditions may be cleared from the modules when using dry cloths or mops. Other snow clearing methods, such as blowers, may be used depending on snow conditions and if approved by First Solar. To prevent pile up and overload, periodically clearing snow from the bottom modules first in an array is a critical process.

  • Page 25: Module Cleaning Guidance

    First Solar does not warrant against breakage, damage, wear, or module Important performance issues that are determined to be caused by module cleaning.
  • Page 26 First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 25 of 27 Cleaning Requirements When dry cleaning, it is required to use soft mops or soft cloths only. ► When using water, RO water provides the best results. When RO water is not available, tap water with low mineral ►...

  • Page 27: Module Disposal

    First Solar Series 7 TR1 Module - USER GUIDE FIRST SOLAR 26 of 27 Robotic Cleaning Requirements Minimize vibration from the cleaning apparatus to prevent shifting of the modules in their ► mounting hardware. Edges of Series 7 modules are unsupported and unprotected, and as such must not be used to ►...

  • Page 28: Revision History

    New mounting location 09/03/2024 First Solar and the First Solar logo are trademarks of First Solar, Inc., registered in the U.S and other countries. Series 7 and Series 7 TR1 are trademarks of First Solar, Inc FIRST SOLAR, INC. | MPD-00752-07-US Rev 1.4...

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