SunPower SPR-A450-COM User Manual

Safety and Installation Instructions
United States and Canada
This document applies to all SunPower modules
listed in Table 1.
Contents of this manual are subject to change without notice.
For the latest US & Canada manual please refer to www.sunpower.com/PVInstallGuideUS
SunPower Corporation
www.sunpower.com
For the latest for Europe, Asia, Australia, Latin America and Africa manual please refer to
www.sunpower.com/PVInstallGuideIEC
For the latest US & Canada technical specifications please refer to
www.sunpower.com/PVResidentialSTS (for residential modules)
www.sunpower.com/PVCommericalSTS (for commercial and utility modules)
Document 001-14158 Rev AG
P/N 100345
P/N 518350
This document includes references to SunPower E-Series, X-Series, P-Series, A-
Series, MAX2, MAX3 and NE modules. These modules do not have grounding
restrictions and all are compatible with high-efficiency transformerless
inverters.

SunPower SPR-A450-COM Specifications

General

Brand	SunPower
Model	SPR-A450-COM
Category	Inverter
Language	English

Summary

Introduction and Disclaimer

Disclaimer of Liability

Company assumes no responsibility for loss or damage from improper installation, handling, or use.

UL Listing and Compliance

Details UL listing and compliance standards for PV modules and panels, including specific standards met.

Limited Warranty Terms

Outlines conditions under which SunPower's limited warranty for modules does not apply, such as misuse or alteration.

Safety and Fire Rating

General Safety Precautions

Covers critical safety warnings, installation compliance with codes, handling, and maintenance advice to prevent injury.

Fire Rating Specifications

Specifies module fire rating (Type 2 per UL1703, Class C per UL1703) and its relation to system integration.

Electrical Characteristics and Connections

Electrical Characteristics Overview

Details electrical characteristics of the modules, including rated power, voltage, current, and system voltage.

Equipment Grounding Procedures

Details methods for grounding module frames to prevent electrical shock and ensure UL listing compliance.

System Grounding Guidance

Provides guidance on proper grounding techniques based on module type and NEC requirements for system safety.

Series and Parallel Connections

Explains how modules can be wired in series or parallel to achieve desired voltage or current output.

NEC 2017 Rapid Shutdown Compliance

Covers NEC 2017 rapid shutdown requirements for modules with the MLSD product name.

Module Mounting

Site Considerations for Mounting

Specifies requirements for mounting locations, including operating temperatures and site conditions for optimal performance.

Mounting Configuration Methods

Describes various mounting configurations and methods: Frame Holes, Clamps/Clips, End Mount, and Helix™.

Module Handling and Maintenance

Module Handling Guidelines

Provides guidelines for safely handling modules to prevent damage, scratches, and contact with abrasive surfaces.

Maintenance and Cleaning Procedures

Details annual inspection requirements and procedures for cleaning module glass to improve performance.