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Eaton Bussmann Series User Manual

Eaton Bussmann Series
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Manual MN019001EN
Effective November 2015
Supersedes September 2014
Bussmann series
PV Combiner box
Contents
Important . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Signal words used in this manual . . . . . . . . . 3
Skilled worker definitions . . . . . . . . . . . . . . . . . 3
Electrically instructed person . . . . . . . . . . . . . 3
Electrically skilled person . . . . . . . . . . . . . . . . 3
Skills of qualified persons . . . . . . . . . . . . . . . . . 3
Competent person . . . . . . . . . . . . . . . . . . . . . 3
Safety precautions . . . . . . . . . . . . . . . . . . . . . . . 3
Anatomy of an Eatons Bussmann series
combiner box . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
The PV combiner box . . . . . . . . . . . . . . . . . . . . 6
Product description . . . . . . . . . . . . . . . . . . . . 6
Supplied components . . . . . . . . . . . . . . . . . . 7
Maintaining the IP rating . . . . . . . . . . . . . . . . 8
Handle operation . . . . . . . . . . . . . . . . . . . . . . 8
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . 9
Electric shock . . . . . . . . . . . . . . . . . . . . . . . . . 9
Burn hazards . . . . . . . . . . . . . . . . . . . . . . . . . 9
Damage to the Eatons Bussmann series
combiner box . . . . . . . . . . . . . . . . . . . . . . . . . 9
Product warning labels . . . . . . . . . . . . . . . . . . 9
Service and maintenance . . . . . . . . . . . . . . . . 9
Interlocking door and switch . . . . . . . . . . . . 10
Installation instructions . . . . . . . . . . . . . . . . . . 11
Unpacking and inspection . . . . . . . . . . . . . . 11
Electrical connections . . . . . . . . . . . . . . . . . 11
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Monitoring solutions . . . . . . . . . . . . . . . . . . . . 14
8 string monitoring units . . . . . . . . . . . . . . . 15
16 string monitoring units . . . . . . . . . . . . . . 16
24 string monitoring units . . . . . . . . . . . . . . 17
Monitoring unit configurations . . . . . . . . . . 19
Optional external connection port . . . . . . . . 19
Replaceable parts . . . . . . . . . . . . . . . . . . . . . . 20
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
SPD modules . . . . . . . . . . . . . . . . . . . . . . . 20
Service items . . . . . . . . . . . . . . . . . . . . . . . . 20

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Eaton Bussmann Series Specifications

General IconGeneral
SeriesBussmann series
Voltage RatingUp to 600V AC/DC
Current RatingUp to 600A
Interrupting RatingUp to 200kA
TypeDisconnect Switch
Enclosure TypeNEMA 1, 3R
StandardsUL Listed, CSA Certified

Summary

Introduction to the PV Combiner Box

Signal Words Used in Manual

Defines signal words like DANGER, WARNING, CAUTION, and NOTICE used throughout the manual.

Skilled Worker Definitions

Provides definitions for electrically instructed, skilled, and competent persons.

Safety Precautions

Recommends consulting IEC and NFPA for safety precautions and procedures.

Anatomy of the Combiner Box

The PV Combiner Box

Product Description

Details the features and design options of the Eaton's Bussmann series combiner boxes.

Standard Configurable Products

Explains how part numbers are determined for standard and custom configurable products.

Custom Designs

Outlines the process for specifying custom combiner box designs using project numbers.

Rating Plate Information

Details the information found on the combiner box rating plate for identification.

Supplied Components

Lists the standard components included with every combiner box order.

Maintaining IP Rating

Handle Operation

Safety Instructions

Electric Shock Hazards

Warns about high voltages and the need for skilled personnel and safety precautions.

Burn Hazards

Alerts users that combiner box components can become hot during operation.

Preventing Combiner Box Damage

Advises on preventing damage from untrained personnel and electrostatic discharge.

Product Warning Labels

Describes the hazard and warning labels applied internally and externally to the box.

Service and Maintenance Procedures

Details the steps for safe service and maintenance, emphasizing isolation and lockout/tagout.

Interlocking Door and Switch

Padlocking the Handle

Illustrates the procedure for fitting a lockout/tagout padlock to the handle.

Installation Instructions

Unpacking and Inspection

Provides guidance on carefully inspecting the unit upon receipt for any shipping damage.

Electrical Connections

Details the procedures for making electrical connections, including bottom and side entry.

Wiring Preparation for Gland Inputs

Specifies cable stripping distances for connecting cables via glands.

MC4 Connectors

Explains the correct use of MC4 connectors for PV string connections, noting gender.

Torque Values

PV String Connection Details

Explains connecting PV strings via glands and MC4 connectors, including torque.

Ancillary Cable Connection Details

Details connecting ancillary cables through glands and to terminal blocks.

Mounting the Combiner Box

Mounting Brackets

Details the use and fitting of supplied mounting brackets for wall or stand mounting.

Mounting Location Requirements

Specifies ideal locations for mounting, considering ventilation, accessibility, and load bearing.

Monitoring Solutions

Connecting Multiple Interfaces

Explains how to connect various interfaces, including bus wiring for RS-485 or Modbus.

Bus Wiring for RS-485 or Modbus

Details bus wiring practices, including screen connection and bus termination.

Monitoring Unit Specifications

8-String Monitoring Units

Provides interface parameters and register lists for the S1 string monitoring module PVCBM-GR8.

16-String Monitoring Units

Lists interface parameters and registers for the S1 string monitoring module PVCBM-GR16.

24-String Monitoring Units

Details interface parameters and registers for the S1 string monitoring module PVCBM-GR24.

Monitoring Unit Configuration and Operation

Advanced Configuration Options

Details options for measurement modes, operating modes, data collection, and delay settings.

EcoMode Configuration

Explains how to activate EcoMode to reduce power demand of the monitoring module.

Module Synchronization and Data Acquisition

Describes methods to ensure synchronous data acquisition from PV strings.

Optional External Connection Port

Details the external 9-pin D-Sub port for Modbus communication without opening the enclosure.

Optional Wireless Communications

Mentions options for industrial or zigbee wireless units for remote connection.

Replaceable Parts

Fuse Replacements

Lists recommended Eaton's Bussmann series PV fuse links for replacement.

SPD Module Replacements

Details available Surge Protection Device (SPD) types and their replacement modules.

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