Conext SW 4024-120 Install Guide
Table Of Contents
- Conextâ„¢ SW Inverter/Charger
- Exclusion for Documentation
- Document Number: 975-0639-01-03 Revision: Date: 5-2020
- Contact Information solar.schneider-electric.com
- Information About Your System
- About This Guide
- Important Safety Instructions
- Safety Information
- Precautions When Working With Batteries
- FCC Information to the User
- Installation
- Materials List
- Conext SW Front and Side Panels
- Conext SW Supplied Accessories
- Conext SW Required Accessory
- Installation Information
- Before You Begin the Installation
- Installation Codes
- Xanbus Network System
- Xanbus System
- Xanbus-enabled Products and Other Accessories
- Installation Planning
- Planning Preparations
- Components of the Inverter Power System
- Unpacking and Inspecting the Conext SW Inverter/Charger
- Installation Tools and Materials
- Inverter/Charger Installation
- Overview
- Step 1: Choosing a Location for the Inverter/Charger
- Step 2: Mounting the Inverter/Charger
- Step 3: Connecting the AC Input and AC Output Wires
- AC System Bonding
- Step 4: Installing the DC Switchgear and Connecting the DC Cables
- Step 5: Connecting the BTS and Xanbus-enabled Components
- Step 6: Performing Checks Prior to Initial Start-Up
- Step 7: Testing Your Installation
- Battery Information
- Battery Bank Sizing
- Estimating Battery Requirements
- Restrictions on Motor Size
- Battery Cabling and Hook-up Configurations
- Specifications
- Inverter Specifications
- Charger Specifications
- AC Transfer Specifications
- Physical Specifications
- Environmental Specifications
- Regulatory
- Wiring Diagrams
- Single-Inverter System (Off-Grid/Power Backup)
- Single-Inverter System Renewable Energy (Solar)
Inverter/Charger Installation
975-0639-01-03 1–23
This guide for use by qualified personnel only
AC System Bonding
System bonding refers to connection (bonding) of one of the current-carrying
conductors of an electrical system to ground. This creates a "grounded
conductor" or "neutral" that is at ground potential, but is separate from the
equipment ground conductor. System bonding must be done at only one
location. Procedures for system bonding vary between on-grid and off-grid
systems.
System bonding for
on-grid systems
The Conext SW does not connect the neutral to ground. The AC input neutral is
already bonded to ground by the incoming utility grid system. Do not connect the
neutral to ground in any additional location.
The Conext SW does not switch or disconnect the AC neutral in any mode of
operation, so even in invert (back-up) mode, the inverter load sub-panel neutral
is bonded to ground by the utility grid system. It must not be grounded again in
the inverter load sub-panel.
System bonding for
off-grid systems
In a system without a generator, or with a generator that does not provide a
grounded neutral, you must make the connection from neutral to ground in the
inverter load sub-panel or main distribution panel, as applicable.
In a system with a generator that provides a grounded neutral, no additional
connection from neutral to ground is needed. Do not connect neutral to ground in
the inverter load sub-panel or main distribution panel, as applicable.
WARNING
MULTIPLE AC NEUTRAL-TO-GROUND BONDS
Verify that only one neutral-to-ground bond exists in the system. Having more
than one neutral-to-ground bond in a system violates local electrical codes,
may create a shock or fire hazard, and may cause some sensitive equipment
to malfunction.
Failure to follow these instructions can result in death or serious injury.