SunPower SPR-E20-330-COM-MLSD - 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-E20-330-COM-MLSD Specifications

General

Brand	SunPower
Model	SPR-E20-330-COM-MLSD
Category	Inverter
Language	English

Summary

Introduction to SunPower PV Modules

Disclaimer of Liability

SunPower assumes no responsibility for losses from improper installation, handling, or use.

UL Listing Information and Standards

Details UL 1703, ULC/ORD-C1703-01, UL1741, UL61730 compliance for PV modules.

SunPower Limited Warranty Overview

Summarizes warranty exclusions for misuse, abuse, neglect, or improper installation.

Safety Precautions for Module Installation

Fire Rating Compliance

Module fire rating is Type 2 per UL1703 and Class C per UL1703, dependent on mounting system.

Electrical Characteristics

Electrical Connections and System Monitoring

Equipment Grounding Procedures

Details methods for grounding module frames to prevent electrical shock and corrosion.

System Grounding Requirements

Series Connection of Modules

Parallel Connection of Modules

NEC 2017 Rapid Shutdown Compliance

Module Mounting Guidelines

Site Considerations for Module Mounting

Specifies requirements for mounting locations, operating temperatures, and design strength.

Module Mounting Configurations

Describes how modules should be integrated into roofing systems and general mounting angles.

Mounting Using Frame Holes

Instructions for securing modules using factory mounting holes and recommended hardware.

Mounting Using Clamps or Clips

Guidelines for using IFF clips and clamps, including torque and placement.

End Mounting Procedure

Details end mounting using IFF clips, torque, and rail requirements.

Helix Mounting System Installation

Refers to the UL2703 Helix system installation manual for details.

Module Handling Precautions

Module Maintenance and Cleaning