SunPower SPR-X21-470-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-X21-470-COM Specifications

General

Brand	SunPower
Model	SPR-X21-470-COM
Category	Inverter
Language	English

Summary

Introduction to SunPower PV Modules

Disclaimer of Liability

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

UL Listing Information

Product meets or exceeds UL 1703, ULC/ORD-C1703-01, UL1741, and UL61730 standards for PV modules.

Limited Warranty Overview

Details warranty exclusions, including misuse, abuse, alteration, or improper installation by unauthorized parties.

Safety Precautions for PV Modules

Module Fire Rating

Module fire rating is Type 2 per UL1703 (2013) and Class C per UL1703 (2002).

Electrical Characteristics and System Monitoring

Equipment Grounding Procedures

Procedures to reduce electrical shock risk by grounding module frames per NEC before wiring.

System Grounding Guidelines

Refers to Table 2 for proper grounding techniques for specific SunPower modules.

Series Connection of Modules

Modules can be wired in series to achieve desired voltage output; do not exceed maximum system voltage.

Parallel Connection of Modules

Modules can be combined in parallel for desired current output; may require fusing.

Module Mounting and Installation

Site Considerations for Mounting

Requirements for mounting locations, including operating temperature and care for ventilation.

Mounting Configurations

Details various methods for mounting modules, including frame types and attachment locations.

Module Handling Instructions

Instructions for safe handling of modules, emphasizing avoiding contact with glass and lifting by cables.

Module Frame and Hole Details

Provides detailed diagrams of module frames and mounting hole locations for different series.

Maintenance and Cleaning of PV Modules