Xantrex Technology Power Supply ACCB L L1 User Manual
ACCB-L  
ACCB-L-L1  
Owner’s Guide  
Sine Wave Plus Long  
AC Conduit Box  
Owner’s Guide  
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Sine Wave Plus Long AC Conduit  
Box  
Owner’s Guide  
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About Xantrex  
Xantrex Technology Inc. is a world-leading supplier of advanced power electronics and controls with products from  
50 watt mobile units to one MW utility-scale systems for wind, solar, batteries, fuel cells, microturbines, and backup  
power applications in both grid-connected and stand-alone systems. Xantrex products include inverters, battery  
chargers, programmable power supplies, and variable speed drives that convert, supply, control, clean, and distribute  
electrical power.  
Trademarks  
Sine Wave Plus Long AC Conduit Box is a trademark of Xantrex International. Xantrex is a registered trademark of  
Xantrex International.  
Other trademarks, registered trademarks, and product names are the property of their respective owners and are used  
herein for identification purposes only.  
Notice of Copyright  
Sine Wave Plus AC Conduit Box Long Owner’s Guide © June 2004 Xantrex International. All rights reserved.  
Disclaimer  
UNLESS SPECIFICALLY AGREED TO IN WRITING, XANTREX TECHNOLOGY INC. (“XANTREX”)  
(a) MAKES NO WARRANTY AS TO THE ACCURACY, SUFFICIENCY OR SUITABILITY OF ANY  
TECHNICAL OR OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION.  
(b) ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSS OR DAMAGE, WHETHER DIRECT,  
INDIRECT, CONSEQUENTIAL OR INCIDENTAL, WHICH MIGHT ARISE OUT OF THE USE OF SUCH  
INFORMATION. THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER’S RISK.  
Date and Revision  
June 2004 Revision A  
Part Number  
973-0031-01-01 Rev A  
Contact Information  
Telephone: 1 800 670 0707 (toll free North America)  
1 360 925 5097 (direct)  
Fax:  
1 800 994 7828 (toll free North America)  
1 360 925 5143 (direct)  
Email:  
Web:  
[email protected]  
www.xantrex.com  
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About This Guide  
Purpose  
The purpose of this Owner’s Guide is to provide explanations and procedures for  
installing, operating, maintaining, and troubleshooting the Sine Wave Plus Long  
AC Conduit Box.  
Scope  
The Guide provides safety guidelines, and procedures for installing and operating  
the Sine Wave Plus Long AC Conduit Box.  
Audience  
The Guide is intended for a skilled electrician or technician who needs to install  
and operate the Sine Wave Plus Long AC Conduit Box. Installers should be  
certified and familiar with all local and national codes regarding electrical  
installations of this nature.  
Organization  
This Guide is organized into three chapters.  
Chapter 1, “Introduction” provides a basic introduction to the design and purpose  
of the Sine Wave Plus Long AC Conduit Box (ACCB-L).  
Chapter 2, “Installation” provides installation and wiring instructions for the Sine  
Wave Plus Long AC Conduit Box.  
Chapter 3, “Operation” describes the different modes and operation of the AC  
Bypass Switch(es) on the ACCB-L-L1, or for the second AC Bypass Switch  
(ACCB-L-L2) if installed.  
Warranty and product information is provided at the end of the guide.  
Product Naming Conventions  
ACCB-L refers to the Long AC Conduit Box without AC Bypass Switch.  
ACCB-L-L1 refers to the Long AC Conduit Box with AC Bypass Switch.  
ACCB-L-L2 refers to the ACCB-L-L1 with the field-installed ACCB-L2-PCK  
(AC Bypass Switch assembly, with wiring, and an AC Bus Bar for Hot L2  
connections) and is usually configured for dual operation.  
Long AC Conduit Box refers to all products and is used in situations where all  
three products are treated the same.  
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About This Guide  
Conventions Used  
The following conventions are used in this guide.  
WARNING  
Warnings identify conditions that could result in personal injury or loss of life.  
CAUTION  
Cautions identify conditions or practices that could result in damage to the unit or other  
equipment.  
Important: These notes describe things which are important for you to know, but not as  
serious as a caution or warning.  
Abbreviations and Acronyms  
AC  
Alternating Current  
ACCB-L  
AC Conduit Box Long (with ground bar only)  
ACCB-L-L1  
ACCB-L-L2  
AC Conduit Box Long (adds internal components for wiring)  
AC Conduit Box Long (built on ACCB-L-L1 for dual configuration)  
ACCB-L2-PCK AC Bypass Switch Assembly only (includes wiring)  
ALM  
AHJ  
ASC  
AWG  
CEC  
CSA  
DC  
Auxiliary Load Module  
Authority Having Jurisdiction  
Authorized Service Center  
American Wire Gauge  
Canadian Electrical Code  
Canadian Standards Association  
Direct Current  
EPO  
GSM  
ICA  
Emergency Power Off  
Generator Start Module  
Inverter Communications Adapter  
Inverter Control Module  
Inverter Stacking Control – Series  
National Electrical Code  
Return Material Authorization  
Underwriters Laboratory  
ICM  
ISC-S  
NEC  
RMA  
UL  
Related Information  
You can find more information about Xantrex Technology Inc. as well as its  
products and services at www.xantrex.com.  
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Safety  
Important Safety Instructions  
WARNING  
This chapter contains important safety and operating instructions for the Sine Wave Plus  
Long AC Conduit Box (ACCB-L and ACCB-L-L1) and the ACCB-L-L2 (ACCB-L2-PCK  
add-on package). Read and keep this Sine Wave Plus AC Conduit Box Long Owner’s  
Guide for future reference.  
1. Before installing the Long AC Conduit Box, read all instructions and  
cautionary markings on the Long AC Conduit Box and all appropriate  
sections of this guide.  
2. Do not expose the Long AC Conduit Box to rain, snow, or spray.  
3. To reduce risk of fire hazard, do not cover or obstruct the ventilation  
openings.  
4. Do not install the Long AC Conduit Box in a zero-clearance compartment.  
Overheating may result. Minimum clearance for ventilation around the unit  
must be twelve inches above and around the sides of the unit. See “Ventilation  
Requirements” on page 2–5 for additional information.  
5. Do not store anything flammable near the unit. Relocate anything flammable  
to another location.  
6. Xantrex offers CSA “approved” parts for installation into this product. Parts  
purchased elsewhere are subject to approval by the local electrical authority.  
See Figure 2-11 on page 2–16 for details.  
7. The Long AC Conduit Box is designed to be permanently connected to your  
Sine Wave Plus inverter. Xantrex recommends that all wiring be done by a  
certified technician or electrician to ensure adherence to the local and national  
electrical codes applicable in your application.  
8. To avoid a risk of fire and electric shock, make sure that existing wiring is in  
good condition and that wire is not undersized. Do not operate the Long AC  
Conduit Box, or inverter, with damaged or substandard wiring.  
9. To reduce the risk of electrical shock, disconnect all power to the Long AC  
Conduit Box and the Sine Wave Plus Inverter/Charger before attempting any  
maintenance or cleaning or working on the Long AC Conduit Box.  
10. The Long AC Conduit Box is provided with an equipment-grounding bar  
which must be connected to the inverter/system equipment ground.  
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Safety  
Explosive gas precautions  
1. Working in the vicinity of lead-acid batteries is dangerous. Batteries generate  
explosive gases during normal operation. Therefore, you must read this guide  
and follow the instructions exactly before installing the Long AC Conduit  
Box.  
2. To reduce the risk of battery explosion, follow these instructions and those  
published by the battery manufacturer and the manufacturer of the equipment  
in which the battery is installed.  
Certifications  
CSA certified to the following standards:  
•
•
UL 1741-2001 (First Edition), and  
CSA C22.2 No. 107.1-01  
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Contents  
Important Safety Instructions- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -v  
1
Introduction  
Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–2  
Specifications - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–4  
AC Bypass Switch Assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–6  
Blockoff Plates - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–7  
2
Installation  
Preparing for the Installation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–2  
Code Compliance - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–2  
Installation Tools and Materials - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–2  
Configuration Planning - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–3  
Off-Grid Configurations - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–3  
On-Grid Configurations - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–3  
Pre-Installation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–4  
Location - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–4  
Service Planning - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–4  
Ventilation Requirements - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–5  
Removing and Replacing the Cover - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–6  
Installing or Removing the Blockoff Plates - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–7  
Knockout Preparation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–8  
Installing Additional Breakers - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–10  
Mounting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–11  
Mounting on the Xantrex Back Plate (XBP) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–11  
Mounting on Plywood - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–13  
Wiring - General - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–14  
Accessing the AC Input/Output Terminal Block in the ACCB-L-L1 - - - - - - - - - - - - - - - - - 2–14  
Wire Sizes and Disconnect Requirements - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–15  
Wiring for Off-Grid Applications- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–19  
Single Inverter Configurations (120 Vac) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–19  
Step-down Configurations (240 Vac to 120 Vac) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–21  
Step-up Configuration (Deep Well Pump) (120 Vac to 240 Vac) - - - - - - - - - - - - - - - - - - - 2–23  
Dual Inverter Configurations (120 Vac and 240 Vac) - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–24  
Wiring for On-Grid Applications - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–25  
Single Inverter Configurations (120 Vac) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–25  
Step-up Configurations (Utility Backup) (120 Vac to 240 Vac) - - - - - - - - - - - - - - - - - - - - 2–27  
Dual Inverter Configurations (120 Vac and 240 Vac) - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–28  
Additional Accessory Wiring - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–29  
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Contents  
3
Operation  
The AC Bypass Switch - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–2  
Operating the AC Bypass Switch - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–2  
Normal Operation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–3  
Bypass Operation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–3  
AC Input/Output Off - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–4  
Dual Inverters: 240 Vac Loads - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–4  
Warranty and Return Information - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - WA–1  
Index - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - IX–1  
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Figures  
Figure 1-1 The Sine Wave Plus ACCB-L Basic- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–2  
Figure 1-2 The Sine Wave Plus Long AC Conduit Box (ACCB-L-L1, and ACCB-L-L2)- - - - - - - - 1–3  
Figure 1-3 ACCB-L Dimensions (not to scale) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–5  
Figure 1-4 Bypass Switch Assembly in the ACCB-L-L1- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–6  
Figure 1-5 Blockoff Plates - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–7  
Figure 2-1 Shock Hazard Warning Label - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–4  
Figure 2-2 Clearance Requirements for Ventilation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–5  
Figure 2-3 Cover Removal and Replacement - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–6  
Figure 2-4 The Blockoff Plate on the Long AC Conduit Box- - - - - - - - - - - - - - - - - - - - - - - - - - - 2–7  
Figure 2-5 SW Plus Inverter, AC Side Showing Knockout Location- - - - - - - - - - - - - - - - - - - - - - 2–8  
Figure 2-6 Knockouts Locations - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–9  
Figure 2-7 Installing Additional Breakers on the DIN Rail - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–10  
Figure 2-8 The Xantrex Back Plate - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–11  
Figure 2-9 Installing the ACCB-L on the Backplate - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–12  
Figure 2-10 Installing the ACCB-L to the SW Plus Inverter on Plywood- - - - - - - - - - - - - - - - - - - 2–13  
Figure 2-11 ACCB-L Approved Internal Components - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–16  
Figure 2-12 ACCB-L-L1 Internal Components (Factory installed) - - - - - - - - - - - - - - - - - - - - - - - 2–17  
Figure 2-13 ACCB-L-L1 Internal Components with the Optional ACCB-L2-PKG Installed - - - - - 2–18  
Figure 2-14 Wiring an Off-grid Application Using a Single Inverter - - - - - - - - - - - - - - - - - - - - - 2–19  
Figure 2-15 Wiring an Off-grid Application Using a Single Inverter (No Sub Panel) - - - - - - - - - - 2–20  
Figure 2-16 Wiring an Off-grid Application Using a Single Inverter and TX Autotransformer  
in a Step-Down Configuration- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–21  
Figure 2-17 Wiring an Off-grid Application Using a Single Inverter and TX Autotransformer  
for a Step-Down Configuration (No Sub Panel) - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–22  
Figure 2-18 Wiring an Off-grid Application Using a Single Inverter and TX Autotransformer  
for a Step-Up Configuration for a Deep Well Pump Application- - - - - - - - - - - - - - - - 2–23  
Figure 2-19 Wiring an Off-grid Application Using Dual Inverters (ACCB-L-L2)- - - - - - - - - - - - - 2–24  
Figure 2-20 Wiring an On-grid Application Using a Single Inverter - - - - - - - - - - - - - - - - - - - - - - 2–25  
Figure 2-21 Wiring an On-grid Application Using a Single Inverter (No Sub Panel) - - - - - - - - - - - 2–26  
Figure 2-22 Wiring an On-grid Application Using a Single Inverter and TX Autotransformer  
for a Step-Up Configuration for Utility Backup - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–27  
Figure 2-23 Wiring an On-grid Application Using Dual Inverters (ACCB-L-L2) - - - - - - - - - - - - - 2–28  
Figure 2-24 Accessory Wiring for Single-Inverter Configurations - - - - - - - - - - - - - - - - - - - - - - - 2–29  
Figure 2-25 Accessory Wiring for Dual-Inverter Configurations - - - - - - - - - - - - - - - - - - - - - - - - 2–30  
Figure 3-1 AC Bypass Switch Mode Summary - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–2  
Figure 3-2 Normal Operation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–3  
Figure 3-3 Bypass Operation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–3  
Figure 3-4 AC Output OFF - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–4  
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Tables  
Table 1-1  
Table 2-1  
Operational and Environmental Specifications for the ACCB-L, ACCB-L-L1,  
and ACCB-L-L2 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–4  
Torque Values for Wiring- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–15  
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Introduction  
1
Chapter 1, “Introduction” provides a basic introduction to the  
design and purpose of the Sine Wave Plus Long AC Conduit  
Box (ACCB-L).  
The following topics are covered in this chapter.  
For this topic:  
See:  
“Introduction”  
page 1–2  
page 1–4  
page 1–6  
“Specifications”  
“AC Bypass Switch Assembly”  
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Introduction  
Introduction  
The Sine Wave Plus Long AC Conduit Box (ACCB-L and ACCB-L-L1) connects  
to the AC side of a Sine Wave Plus inverter and accepts AC conduit runs. It is  
designed to protect the wiring connections to the inverter and provides room for  
up to nine additional AC disconnect breakers (Square D, Type QOU, DIN rail  
mounted) to protect user-specified loads.  
There are three models of ACCB-L:  
•
•
•
the ACCB-L Basic,  
the ACCB-L-L1, and  
the ACCB-L-L2.  
The ACCB-L contains a ground bar only and provides no wiring.  
The ACCB-L-L1 includes a ground wire attached to the ground bar, an AC bypass  
switch (for a single AC input source) and input/output wiring attached to the AC  
Input/output Terminals, a Neutral bar with neutral wire installed, and an isolated  
HOT bar.  
The ACCB-L-L2 configuration is created by field-intalling an ACCB-L2-PCK  
into an ACCB-L-L1. The ACCB-L2-PCK consists of another field-installable AC  
Bypass Switch with wiring and an isolated AC Bus Bar.  
This guide provides instructions for connecting the Long AC Conduit Box to the  
inverter and other system components (i.e., utility panel, AC distribution panel,  
grounding, and generator). It also provides instructions for installing additional  
Square D™, Type QOU, DIN rail-mounted circuit breakers.  
ACCB-L includes:  
A
Front Cover  
B
Blockoff Plates  
C Ground Bar  
Din Rail  
B
C
D
A
Blockoff  
Plates  
D
Knockoutpanelsfor  
additional Bypass  
Switch Assembly  
for additional circuit  
breakers  
B
Cover  
Base  
Figure 1-1 The Sine Wave Plus ACCB-L Basic  
1–2  
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Introduction  
ACCB-L-L1  
ACCB-L-L2  
G
N
J
I
F
M
K
E
K
H
ACCB-L-L2 is created by installing  
the ACCB-L2-PCK to the ACCB-L-L1.  
ACCB-L2-PCK consists of the  
following:  
ACCB-L-L1 includes the  
components of the ACCB-L and  
adds the following:  
E
One AC Bypass Switch Assembly  
❐ Second AC Bypass Switch Assembly  
K
(including wiring)  
Only (including wiring)  
F
AC Bus Bar (Neutral)  
L
AC Bus Bar (HOT L2)  
G
AC Bus Bar (HOT L1)  
M
One length white NEUTRAL wire  
H
AC Input/output Terminal Block  
N
One length green GROUND wire  
I
One length white NEUTRAL wire  
J
One length green GROUND wire  
*This package is field-installed. The illustration above  
shows where it would be located when installed in the  
ACCB-L-L1.  
Figure 1-2 The Sine Wave Plus Long AC Conduit Box (ACCB-L-L1, and ACCB-L-L2)  
973-0031-01-01 Rev A  
1–3  
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Introduction  
Specifications  
The following table contains the specifications for the ACCB-L, the ACCB-L-L1,  
and the ACCB-L-L2. The ACCB-L-L2 is not available pre-built from the factory,  
but is created by field-installing an ACCB-L2-PCK into a ACCB-L-L1 model.  
Table 1-1 Operational and Environmental Specifications for the ACCB-L, ACCB-L-L1, and ACCB-L-L2  
a
ACCB-L  
ACCB-L-L1  
ACCB-L-L2  
Dimensions  
33" (H) x 11" (W) x 8 3/4" (D) 33" (H) x 11" (W) x 8 3/4" (D) This configuration is created  
(84 cm x 28 cm x 23 cm)  
(84 cm x 28 cm x 23 cm)  
by field-installing an ACCB-  
L2-PCK into an ACCB-L-  
L1.  
Weight  
19 pounds (8.6 kg)  
23 pounds (10.4 kg)  
24 pounds (10.9 kg)  
27 pounds (12.2 kg)  
~2 pounds  
~2 pounds  
Shipping Weight  
Operating Voltage 120/240 Vac,  
60 Hz split-phase  
120/240 Vac,  
60 Hz split-phase  
120/240 Vac,  
60 Hz split-phase  
Factory-installed  
hardware  
• Din Rail  
• Ground Bar  
• Din Rail  
• Ground Bar  
• Din Rail  
• Ground Bar  
• AC Bus Bar (Neutral)  
• AC Bus Bar (HOT L1)  
• AC Input/Output Terminals  
• AC Bypass Breaker  
• AC Bus Bar (Neutral)  
• AC Bus Bar (HOT L1)  
• AC Input/Output  
Terminals  
• AC Bypass Breaker  
Factory-installed  
wiring  
None  
N/A  
#6 THHN AWG, rated to  
105 °C, stranded copper  
• One - Ground Wire  
• One - Neutral Wire  
• One - HOT IN  
#6 THHN AWG, rated to  
105 °C, stranded copper  
• One - Ground Wire  
• One - Neutral Wire  
• One - HOT IN  
• One - HOT OUT  
• One - HOT OUT  
Field-installed  
hardware  
ACCB-L2-PCK (needed to  
create ACCB-L-L2)  
• AC Bypass Breaker (Din  
Rail-mountable) (w/HOT In  
and HOT Out wiring)  
• AC Bus Bar (HOT L2)  
AC Bypass Switch  
Bypass  
None  
None  
60 Amp (SPST)  
60 Amp (DPST)  
60 Amp (SPST)  
60 Amp (DPST)  
Inverter  
Input/Output  
Rated Temperature 0 to 25 °C  
(32 to 77 °F)  
0 to 25 °C  
(32 to 77 °F)  
0 to 25 °C  
(32 to 77 °F)  
Storage  
Temperature  
-55 to +100 °C  
(-67 to 212 °F)  
-55 to +100 °C  
(-67 to 212 °F)  
-55 to +100 °C  
(-67 to 212 °F)  
Enclosure  
Indoor rated, White,  
Powdercoat Finish  
Indoor rated, White,  
Powdercoat Finish  
Indoor rated, White,  
Powdercoat Finish  
1–4  
973-0031-01-01 Rev A  
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Specifications  
Table 1-1 Operational and Environmental Specifications for the ACCB-L, ACCB-L-L1, and ACCB-L-L2  
a
ACCB-L  
ACCB-L-L1  
ACCB-L-L2  
Ratings  
120/240 Vac/60 hz., split-  
phase, 60 Amp pass-thru  
120/240 Vac/60 hz., split-  
phase, 60 Amp pass-thru  
120/240 Vac/60 hz., split-  
phase, 60 Amp pass-thru  
Regulatory  
Certified by CSA to UL 1741- Certified by CSA to UL 1741- Certified by CSA to UL  
2001 (First Edition) and  
CSA C22.2 No. 107.1-01  
2001 (First Edition) and  
CSA C22.2 No. 107.1-01  
1741-2001 (First Edition)  
and CSA C22.2 No. 107.1-  
01  
a.The ACCB-L-L2 is not available pre-built from the factory, but is created by field-installing an ACCB-L2-PCK into a ACCB-L-L1  
model.  
Mounting Hole Size =  
.265 x 1" (Obround)  
Slot Size = .188"  
(fits up to #8 screw)  
ACCB-L Base  
Outside  
Inverter Side  
Slot Size = .188"  
(fits up to #8 screw)  
Mounting Hole Size =  
.265 x 1" (Obround)  
Figure 1-3 ACCB-L Dimensions (not to scale)  
973-0031-01-01 Rev A  
1–5  
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Introduction  
AC Bypass Switch Assembly  
The AC bypass switch assembly in the ACCB-L-L1 is designed for 120 Vac  
applications and comes with two 60-amp circuit breakers (one SPST and one  
DPST). The breaker pair is equipped with a lockout rocker that allows only one  
breaker to be ON at any given time.  
The AC bypass switch allows the generator or grid to provide power to the  
inverter loads in the event that the inverter is disabled for battery maintenance or  
removed for service.  
Factory-installed  
AC Bypass Breaker  
Figure 1-4 Bypass Switch Assembly in the ACCB-L-L1  
A second AC bypass switch assembly (ACCB-L2-PCK) is available for dual-  
inverter installations (ACCB-L-L2 configuration). This field-installed, add-on  
package includes pre-cut wires for wiring a second inverter in the lower position  
and provides an additional Isolated Hot Bar for optional installation.  
CAUTION: Equipment Damage  
Although it is possible to use the second AC Bypass Switch for a second AC input  
(i.e., generator and grid) to the same inverter, using the AC Bypass Switch for this  
purpose is not recommended. Switching ON both Bypass switches can cause the two AC  
sources to short each other out.  
For more information see Chapter 3, “Operation” in this guide.  
WARNING: Electrical Hazard  
If the inverter is removed from service while the bypass is used, live circuits inside the  
Long AC Conduit Box will not be guarded from accidental contact. Be sure to install the  
Blockoff Plates to prevent accidental electrocution if the inverter is removed from the  
system.  
1–6  
973-0031-01-01 Rev A  
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Blockoff Plates  
Blockoff Plates  
Upper and Lower Blockoff Plates are included to enclose the open portions of the  
Long AC Conduit Box chassis. In the event that an inverter is removed for  
service, the Blockoff Plates secure the enclosure to prevent accidental contact  
with any AC power within the Long AC Conduit Box.  
Remove the Blockoff Plate (upper or lower) from its position for the inverter used  
in your installation. The Blockoff Plates will not be needed at all in a dual SW  
Plus inverter installation.  
See page 2–7 for installation instructions for the Blockoff Plates.  
Upper Blockoff Plate  
Back  
Front  
Lower Blockoff Plate  
Rectangular  
Knockout  
Figure 1-5 Blockoff Plates  
973-0031-01-01 Rev A  
1–7  
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1–8  
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Installation  
2
Chapter 2, “Installation” provides installation and wiring instructions  
for the Sine Wave Plus Long AC Conduit Box.  
The following topics are covered in this chapter.  
For this topic:  
See:  
“Preparing for the Installation”  
“Configuration Planning”  
“Installing or Removing the Blockoff Plates”  
“Mounting”  
page 2–2  
page 2–3  
page 2–7  
page 2–11  
page 2–14  
page 2–19  
page 2–25  
page 2–29  
“Wiring - General”  
“Wiring for Off-Grid Applications”  
“Wiring for On-Grid Applications”  
“Additional Accessory Wiring”  
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Installation  
Preparing for the Installation  
Important: Before installing the Long AC Conduit Box, read all instructions and  
cautionary markings located in this guide and in your inverter manual.  
Code Compliance  
Governing installation codes vary depending on the location and type of  
installation. Electrical installations must meet local and national wiring codes.  
Installations of this equipment should only be performed by skilled personnel  
such as qualified electricians and Certified Renewable Energy (RE) System  
Installers. For a list of Xantrex Certified RE dealers, please visit our website at  
www.XantrexREdealers.com.  
Important: Be sure to obtain the appropriate permits, if necessary, prior to starting this  
installation.  
Installation Tools and Materials  
Tools Required  
The following tools may be required for installing this equipment:  
❐ Wire strippers  
❐ Assorted open-end wrenches or socket wrench and fittings  
❐ Torque wrench  
❐ Electrical tape  
❐ Multimeter (AC/DC volts, frequency)  
❐ Assorted Phillips screw drivers  
❐ Allen/Hex head driver set  
❐ Slotted screw driver  
❐ Level  
❐ Pencil  
❐ Utility knife  
Hardware /  
The following materials may be required for completing this installation:  
Materials Required  
❐ Conduits (flexible conduit is recommended), bushings, wire nuts, and  
appropriate fittings for wire runs  
❐ Electrical wire of appropriate size and length  
❐ Breaker panels (if used)  
❐ Additional circuit breakers (if required)  
❐ Ground busses, bars, and/or rods  
❐ Six appropriately sized wood screws or lag bolts and washers  
2–2  
973-0031-01-01 Rev A  
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Configuration Planning  
Configuration Planning  
Wiring scenarios will depend upon the configuration of the overall system  
(i.e., Off Grid or On Grid, and output requirements).  
Pre-installation and mounting instructions apply to all configurations. Follow the  
instructions from page 2–4 to page 2–19 for all installations.  
After the pre-installation procedures have been completed, select the wiring  
scenario that applies to your configuration. Once you have completed the wiring  
instructions for your specific application, proceed to the Operation section.  
Off-Grid Configurations  
The following Off-Grid scenarios are covered in this guide:  
•
Single inverter (120 Vac)  
See Figure 2-14 on page 2–19 for a wiring diagram for this application.  
See Figure 2-15 on page 2–20 for a wiring diagram for this application using  
the Long AC Conduit Box as a sub panel.  
•
Single inverter and a TX Autotransformer for a Step-down application  
(240 Vac to 120 Vac)  
See Figure 2-16 on page 2–21 for a wiring diagram for this application.  
See Figure 2-17 on page 2–22 for a wiring diagram for this application using  
the Long AC Conduit Box as a sub panel.  
•
•
Single inverter and a TX Autotransformer for a Step-up application  
(120 Vac to 240 Vac with Water Pressure Switch) for Deep Well Pump  
Applications  
See Figure 2-18 on page 2–23 for a wiring diagram for this application.  
Dual inverters  
See Figure 2-19 on page 2–24 for a wiring diagram for this application.  
On-Grid Configurations  
The following On-Grid scenarios are covered in this guide:  
•
•
•
Single inverter  
See Figure 2-20 on page 2–25 for a wiring diagram for this application.  
Single inverter and a TX Autotransformer for a Step-up application  
See Figure 2-22 on page 2–27 for a wiring diagram for this application.  
Dual inverters  
See Figure 2-23 on page 2–28 for a wiring diagram for this application.  
973-0031-01-01 Rev A  
2–3  
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Installation  
Pre-Installation  
WARNING: Shock Hazard  
Ensure that no DC voltage is being supplied to the inverter and that no AC voltage is  
present on the AC wiring. Failure to do so could cause serious injury or death. A warning  
label is provided to inform all personnel that multiple sources of power are available  
inside. This label should be installed on the outside cover to be clearly visible. Ensure all  
sources are OFF or disconnected before servicing.  
WARNING  
ELECTRICAL SHOCK  
HAZARD  
THIS ELECTRICAL SYSTEM IS EQUIPPED WITH A  
DC TO AC POWER INVERTE R. DISCONNECT THE  
DC AND AC SOURCES BEFORE SERVICING.  
Figure 2-1 Shock Hazard Warning Label  
Location  
Be sure to allow sufficient space for the Long AC Conduit Box to be mounted  
directly adjacent to the inverter’s AC side. Be sure to leave room for expansion if  
necessary. Also consider the additional weight and ventilation space requirements  
of the Long AC Conduit Box.  
Service Planning  
If for any reason the inverter may need service or needs to be removed from the  
position where it’s mounted, the following recommendations should be  
considered to make this task easier.  
To make servicing the inverter easier to accomplish:  
•
•
Use flexible conduit.  
When mounting the components such as the ACCB-L or DCCB-L next to the  
inverter, bias the mounting screws away from the inverter. This will allow  
"sliding" room within the mounting holes, so that the ends can slide apart  
without being removed from their mounted position.  
Figure 2-10, “Installing the ACCB-L to the SW Plus Inverter on Plywood” on  
page 2–13 for details.  
2–4  
973-0031-01-01 Rev A  
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Pre-Installation  
Ventilation Requirements  
Minimum clearance for ventilation around the Long AC Conduit Box must be at  
least 12 inches (305 mm) at the top, the ends, and in front. This clearance is  
needed to prevent recirculating hot air from the inverter’s exhaust (DC side) from  
going back into the inverter’s intake (AC side).  
Please refer to the Sine Wave Plus Inverter/Charger Owner’s Guide for additional  
location considerations.  
12" (305 mm)  
Required  
WARNING  
ELECTRICAL SHOCK  
HAZARD  
THIS ELECTRICAL SYSTEM IS EQUIPPED WITH  
A
DC TO AC POWER INVERTE R. DISCONNECT THE  
DC AND AC SOURCES BEFORE SERVICING.  
12"  
(305 mm)  
Shock Hazard  
Warning Label  
Figure 2-2 Clearance Requirements for Ventilation  
973-0031-01-01 Rev A  
2–5  
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Installation  
Removing and Replacing the Cover  
Remove the top cover to install additional breakers and to connect the AC wiring  
of the Long AC Conduit Box to the Sine Wave Plus Inverter. Follow the diagram  
below to locate and remove, or replace, the appropriate screws and washers on the  
cover of the Long AC Conduit Box. Be sure to put the screws in a safe place when  
removed, so they don’t get lost. Torque to the values provided in Figure 2-3 when  
replacing them.  
Remove these 3 #8 phillips screws  
from the top of the cover.  
When replacing these #8 phillips  
screws, torque to 19-21 in-lb.  
Slide these 3 cover tabs  
in-to or out-of the cover  
slots on the SW Plus  
Inverter.  
Remove these 8 #12 phillips  
screws from the front of the cover.  
When replacing these #12 phillips  
screws, torque to 26-28 in-lb.  
Slide these 3 cover tabs  
in-to or out-of the cover  
slots on the 2nd SW Plus  
Inverter (if used).  
Remove these 3 #8 phillips  
screws from the bottom of the  
cover.  
When replacing these #8 phillips  
screws, torque to 19-21 in-lb.  
Figure 2-3 Cover Removal and Replacement  
2–6  
973-0031-01-01 Rev A  
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Pre-Installation  
Installing or Removing the Blockoff Plates  
The unit is shipped with both upper and lower blockoff plates installed. If you are  
installing a single-inverter system, remove the upper blockoff plate only. If you  
are installing a dual-inverter system, then remove the lower blockoff plate also.  
If a TX Autotransformer is to be installed in the lower position, remove the  
rectangular knockout in the lower blockoff plate. Do not remove the lower  
blockoff plate from that position.  
Store the unused blockoff plates in a safe place, where they can be easily retrieved  
and reinstalled in the event that the inverter is removed for service.  
WARNING: Shock Hazard  
Be sure to disconnect all DC and AC power before removing the inverter and installing the  
blockoff plates.  
Align the holes on the  
Blockoff Plate behind the  
holes provided from the  
inside of the ACCB-L  
chassis.  
Secure with the eight 6x32  
phillips screws provided.  
Torque to 9-10 in-lb.  
Figure 2-4 The Blockoff Plate on the Long AC Conduit Box  
973-0031-01-01 Rev A  
2–7  
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Installation  
Knockout Preparation  
Knockout preparation should be done before mounting either the inverter or the  
Long AC Conduit Box.  
1. Remove the appropriate knockouts from the AC side of the inverter for  
cabling from the Long AC Conduit Box terminal block to the inverter  
terminal block. See Figure 2-5 for the size and locations of the knockouts on  
the Sine Wave Plus Inverter Charger.  
2. Remove the appropriate knockouts from the Long AC Conduit Box for wire  
runs from utility and/or inverter panels, a generator, and/or additional  
inverters. See Figure 2-6 for the locations of the knockouts on the Long AC  
Conduit Box.  
3. If additional circuit breakers are to be added to the Long AC Conduit Box,  
remove one knockout on the top cover for each additional circuit breaker to be  
installed. See Figure 2-6 for the locations of the knockouts on the Long AC  
Conduit Box top cover.  
4. Ensure that there are no metal shavings in the Long AC Conduit Box or  
inverter before proceeding with the rest of the installation.  
5. Install bushings in the knockout holes to protect the wires from damage.  
Slots for ACCB-L  
Cover Tabs  
3/4" and 1"  
(19 mm and 25 mm)  
Dual Knockouts  
Figure 2-5 SW Plus Inverter, AC Side Showing Knockout Location  
Important: If larger knockouts are required in the Long AC Conduit Box, an  
electricians knockout punch may be used for larger size knockout holes if  
necessary.  
Square D™ filler plates (QOFP) may be used to refill a knockout panel if the  
knockout is no longer used or removed in error.  
2–8  
973-0031-01-01 Rev A  
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Pre-Installation  
Base  
Inside wall of ACCB-L  
(closest to inverter)  
Outside wall of ACCB-L  
3/4 and 1"  
Dual-Knockouts  
(x2)  
3/4 and 1"  
Dual-Knockouts  
(x2)  
2" Knockout  
2" Knockout  
3/4 and 1"  
Dual-Knockout  
(x4)  
UpperBlockoff  
Plate  
Front Cover  
Top  
Accessory Wiring  
Pass-thru slots (x2)  
Rectangle  
knockouts for  
Square D Circuit  
Breakers (x12)  
3/4" and 1"  
Dual-Knockouts (x6 ea)  
2" Knockout (x1 ea)  
Lower Blockoff  
Plate  
2" Knockout (x1 ea)  
1/2" Knockouts (x3 ea)  
3/4" and 1"  
Rectangular  
Knockout  
Dual-Knockouts (x6 ea)  
Accessory Wiring  
Pass-thru slots (x2)  
Bottom  
Figure 2-6 Knockouts Locations  
973-0031-01-01 Rev A  
2–9  
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Installation  
Installing Additional Breakers  
If additional AC circuit breakers are to be installed for specific AC loads or a  
generator disconnect, then install them per the manufacturer’s instructions on the  
DIN Rail in the space to the left of the factory-installed AC Bypass Breaker. The  
Long AC Conduit Box DIN Rail supports Square-D™, Type QOU, circuit  
breakers.  
To install additional Square-D™, Type QOU, circuit breakers in the Long  
AC Conduit Box:  
1. Remove the top cover as described on page 2–6.  
2. Loosen the screw in the DIN Rail End Clamp and slide the clamp away from  
the existing breaker.  
3. Install the circuit breaker(s) on the DIN Rail to the right of the factory-  
installed AC Bypass Switch. Be sure to align them to fit into the spaces made  
by the knockouts that were removed on the top cover.  
4. Slide the clamp tight against the last circuit breaker on the right and tighten  
the screw to secure the clamp on the DIN Rail.  
DIN Rail  
Factory-installed  
AC Bypass Breaker  
DIN Rail End Clamp  
Figure 2-7 Installing Additional Breakers on the DIN Rail  
If creating an ACCB-L-L2 using the ACCB-L2-PCK add-on package, install the  
second AC Bypass Switch to the right of the factory-installed AC Bypass Switch.  
See the instructions provided with the package. Ensure the DIN Rail End clamp is  
tight against the last breaker installed.  
2–10  
973-0031-01-01 Rev A  
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Mounting  
Mounting  
The Long AC Conduit Box is designed to mount directly to the AC side of a Sine  
Wave Plus inverter. However, the SW Plus inverter can weigh up to 136 pounds  
(62 kg). The ACCB-L weighs up to 27 lbs (12.2 kg). Ensure the supporting  
surface is strong enough to hold twice the total weight being installed. Remember  
to include the weight of any other accessory, such as the DC Conduit Box, when  
considering the strength of the supporting surface.  
Xantrex provides a steel back plate (XBP) that provides the additional support. A  
sheet of 3/4" plywood could also provide adequate support.  
Mounting on the Xantrex Back Plate (XBP)  
A two-piece, steel back plate is available for providing extra support to the  
mounting surface. The back plate comes with mounting hooks that can be  
attached to the panel to hang the components on as they’re installed.  
Pass-thru holes for  
conduits running  
through the back of  
the back plate  
Side View  
XBP  
XBP  
Left Side  
Right Side  
Mounting Hook  
Location for the  
ACCB-L  
Hand Holds  
Hand Holds  
35"  
(89 cm)  
Pass-thru holes for  
conduits running  
through the back of  
the back plate  
46"  
(117 cm)  
Figure 2-8 The Xantrex Back Plate  
To mount the Long AC Conduit Box on the Back Plate (XBP):  
1. Install the mounting hook (if used) onto the backplate in the position indicated  
in Figure 2-8 for the Long AC Conduit Box. See the XBP Installation  
Instructions for details.  
2. Mount the backplate to the supporting surface according to the instructions  
provided with the XBP Installation Instructions.  
973-0031-01-01 Rev A  
2–11  
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Installation  
3. Lift the inverter and place the mounting holes in the rail directly over the  
mounting hooks on the panel and lower into place.  
4. Install four ¼-20 phillips screws provided with the panel, into the mounting  
holes of the Long AC Conduit Box, but do not fully tighten.  
5. Lift the second inverter (if used) and place the mounting holes in the rail  
directly over the mounting hooks on the panel and lower into place.  
6. Install four ¼-20 phillips screws on the second inverter (if used) into the  
mounting holes of the Long AC Conduit Box, but do not fully tighten.  
7. Next, lift the Long AC Conduit Box and place the mounting hole in the rail  
directly over the mounting hooks on the panel and lower into place.  
Important: Ensure the mounting hooks are visible through the holes in the mounting  
rails. If you can not see the hooks, the unit is not installed properly and will not be secure  
to the wall.  
8. Push the Long AC Conduit Box as close to the inverter(s) as it will possibly  
go and secure it to the panel using four of the ¼-20 phillips screws provided  
with the back plate hard ware kit. Torque to 76 in-lbs.  
9. Tighten the mounting screws on the inverter(s) to the panel.  
Torque to 76 in-lbs.  
Be sure the mounting hooks  
are visible in the mounting rail  
holes.  
Mounting hook  
from back plate  
for Long AC  
Conduit Box  
Secure the Long AC  
Conduit Box to the  
back plate with  
4 ¼-20 phillips  
screws (provided).  
Figure 2-9 Installing the ACCB-L on the Backplate  
2–12  
973-0031-01-01 Rev A  
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Mounting  
Mounting on Plywood  
Important: Ensure that the factory-installed cables in the Long AC Conduit Box are  
not pinched, crushed, removed, or damaged during the installation to the inverter.  
To mount the Long AC Conduit Box on plywood:  
1. With the help of another person, lift the inverter and mount it into place.  
Secure it to the plywood with #10 wood screws (14 total - length to penetrate  
1½ inches or more into the studs.) See the Sine Wave Plus Inverter/Charger  
Owner’s Manual for more specific mounting instructions for the inverter.  
2. Line up the Long AC Conduit Box at the AC end of the inverter, so that the  
mounting rails are aligned together and the Long AC Conduit Box base is as  
close to the inverter as possible. The gap between the Long AC Conduit Box  
and the inverter should be no more than 1/16 inch.  
3. Secure the Long AC Conduit Box in place with six #10 wood screws of an  
appropriate length (or lag bolts) in the six mounting and keyhole slots on the  
mounting rails of the ACCB. Bias the screws away from the inverter.  
4. Leave the top cover off the Long AC Conduit Box to proceed with wire  
connections.  
Mounting holes  
and keyhole slots  
for ACCB-L (x6)  
Align Mounting Rails  
Plywood  
ACCB-L Base with  
top cover removed  
Bias the screws  
(top and bottom)  
away from theinverter  
for easier servicing if  
necessary  
Figure 2-10 Installing the ACCB-L to the SW Plus Inverter on Plywood  
973-0031-01-01 Rev A  
2–13  
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Installation  
Wiring - General  
The ACCB-L comes with a ground bar only. The ACCB-L-L1 is pre-wired at the  
factory and ready for connection to one Sine Wave Plus Inverter/Charger. The  
factory-installed wires are labeled to assist with the installation procedure.  
See Figure 2-12 on page 2–17 for an illustration of the ACCB-L-L1.  
See Figure 2-13 on page 2–18 for an illustration of the ACCB-L2-PCK installed  
in the ACCB-L-L1 to create the ACCB-L-L2.  
WARNING: Shock Hazard  
Any changes to factory wiring must meet local and national electrical codes.  
WARNING: Fire Hazard  
A possible fire hazard can exist if 120 Vac only sources (such as inverters and generators)  
are wired incorrectly into 120/240 Vac distribution panels containing multi wire branch  
circuits. For more information on multi-branch wiring, see the Xantrex website  
(www.xantrex.com).  
WARNING: Shock Hazard  
Be sure to connect the ground wires first when connecting AC wiring to prevent a  
potential shock hazard.  
WARNING: Shock Hazard  
While installing the components, ensure that no DC or AC voltage is being supplied to the  
inverter.  
Accessing the AC Input/Output Terminal Block in the ACCB-L-L1  
Consult the Sine Wave Plus Inverter/Charger Owner’s Manual for additional  
information on wire and disconnect requirements.  
To prepare the ACCB-L-L1 and inverter for wiring installation:  
1. Expose the AC Input/Output Terminal Block in the ACCB-L-L1 by removing  
the front cover, as described on page 2–6.  
2. Expose the terminal block in the SW Plus Inverter by removing the AC access  
cover, as described in your inverter’s owner’s guide.  
2–14  
973-0031-01-01 Rev A  
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Wiring - General  
Wire Sizes and Disconnect Requirements  
The AC Input/Output Terminal block in the ACCB-L-L1 accept wires sized  
#2/0 to 14 AWG.  
The ground bar in both models has nine holes and accepts #4 to 14 AWG wires.  
The AC Bus Bar (for neutral and hot connections) has dual sizes. The smaller nine  
holes accept #6 to 14 AWG wire and the larger two holes accept #1/0 to 14 AWG.  
Determine the wire sizes and disconnect sizes required for the installation. See  
Table 2-1 for torque values.  
The full AC pass-thru capacity is 60 amps. For full pass-thru capability of this  
unit, a maximum fuse/breaker of 60 amps is recommended, which corresponds to  
a cable size of #6 AWG (THHN) in conduit. If you are using other wire sizes,  
please refer to your local electrical code for fuse/breaker requirements.  
Important: Only use copper conductors rated for 75 °C (167 °F). All wiring within the  
Long AC Conduit Box enclosure, except low voltage control wiring, shall be rated at least  
300 V or a combination of 300 V (e.g., 150 V cable enclosed with 150 V insulation/heat  
shrink). Control wiring can be rated for 150 V.  
Table 2-1 Torque Values for Wiring  
Wire Gauge  
#14 to 10 AWG  
#8 AWG  
Torque Value  
35 in-lb  
40 in-lb  
#6 to 2/0 AWG  
120 in-lb  
CAUTION: Equipment Damage  
The inverter’s AC output must never be wired to the utility or generator output. This will  
cause severe damage to the inverter which is not covered under warranty.  
Important: These instructions assume that the DC connections have already  
been made and that the system ground has already been established. Consult the  
Sine Wave Plus Owner’s Manual for additional wiring information.  
Important: Be sure to use wire-ties as needed to keep field and factory-  
installed wiring neat and tidy so it does not interfere with airflow through the  
Long AC Conduit Box into the Sine Wave Plus Inverter/Charger. This also helps  
keep wiring away from potentially hot surfaces.  
The following illustration provides the part numbers and placement location for  
all field-installable parts. Parts shown in this illustration have been approved by  
CSA. Some are available at Xantrex. Others are available at your local electrical  
supply distributor. Similar parts purchased from other vendors may be subject to  
approval from your local electrical authority.  
973-0031-01-01 Rev A  
2–15  
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Installation  
IMPORTANT: Always use  
approved wiring per  
NEC/CEC.  
AC Bus Bar (for L1 HOT)  
Xantrex P/N:  
• ACBUSBAR)  
Includes two 10x32 phillips  
screws and nuts, the bus bar and  
plastic stand-offs to isolate it from  
the chassis. Can be used for HOT  
(L1 or L2), and/or neutral  
connections.  
AC Bus Bar (for Neutral)  
Xantrex P/N:  
• ACBUSBAR  
Torque to 31 in-lb when installing.  
Includes two 10x34 phillips  
screws and nuts, the bus  
bar and plastic stand-offs  
to isolate it from the  
Ground Bar  
(factory-installed)  
chassis. Can be used for  
HOT (L1 or L2), and/or  
neutral connections.  
AC Bypass Switch Assembly  
(if not purchased at Xantrex)  
Torque to 31 in-lb when  
installing.  
Square D P/Ns:  
•
•
•
QOU160 (Single Breaker -  
DIN Rail Mount)  
QOU260 (Dual Breaker -  
DIN Rail Mount)  
QOU2DTILA (Mechanical  
Interlock Attachment)  
DIN Rail  
(part of chassis -  
all models)  
ILSCO P/Ns:  
•
SX-6 (x2) Service Crimps  
DIN Rail End Clamp  
Square D P/N:  
• 999NT10 (10 pieces), or  
IDEC P/N :  
• BNL5  
AC Input/Output Terminals  
Marathon P/Ns:  
Note: The ACCB-L comes  
with the Ground bar only.  
Some other mechanical  
components can be pur-  
chased from Xantrex (if part  
numbers were given above)  
or from the local electrical  
distributor.  
•
•
1323572 (3 pole)  
1320572 (1 pole)  
or equivalent  
Figure 2-11 ACCB-L Approved Internal Components  
2–16  
973-0031-01-01 Rev A  
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Wiring - General  
AC Bus Bar (L1 HOT)  
GROUND Wire - Connects to the  
SW Plus Inverter GROUND Bar  
Ground Bar  
NEUTRAL Wire - Connects to the  
SW Plus Inverter NEU1 terminal  
AC Bus Bar  
(Neutral)  
HOT OUT Wire - Connects to the  
SW Plus Inverter INV OUT  
terminal  
HOT IN Wire - Connects to the SW  
Plus Inverter AC1 GRID or AC2  
GEN terminal  
AC Bypass  
Switch Assembly  
DIN Rail  
(part of chassis - all models)  
DIN Rail End Clamp  
AC Input/Output  
Terminals  
Figure 2-12 ACCB-L-L1 Internal Components (Factory installed)  
973-0031-01-01 Rev A  
2–17  
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Installation  
Optional Field-installed, AC Bus Bar (L2 HOT)  
Factory-installed GROUND Wire - Connects to the  
SW Plus Inverter #1 GROUND Bar  
Field-installed GROUND Wire - Connects to the SW  
Plus Inverter #2 GROUND bar*  
Factory-installed NEUTRAL Wire - Connects to the  
SW Plus Inverter #1 NEU1 terminal  
Field-installed NEUTRAL Wire - Connects to SW  
Plus Inverter #2 NEU1 terminal*  
Factory-installed HOT IN Wire - Connects to the SW  
Plus Inverter #1 INV OUT terminal  
Factory-installed HOT OUT Wire - Connects to the  
SW Plus Inverter #1 AC1 GRID or AC2 GEN  
terminal  
ACCB-L2-PCK - Field-installed  
AC Bypass Switch Assembly (for Inverter #2) (L2)*  
Field-installed HOT Wire - Connects to SW Plus  
Inverter #2 INV OUT terminal*  
Field-installed HOT Wire - Connects to SW Plus  
Inverter #2 AC1 GRID or AC2 GEN terminal*  
*Provided with the ACCB-L2-PCK  
IMPORTANT: This configuration is created by field-  
installing an ACCB-L2-PCK into an ACCB-L1. This  
configuration is not available, fully assembled, from the  
factory.  
Figure 2-13 ACCB-L-L1 Internal Components with the Optional ACCB-L2-PKG Installed  
2–18 973-0031-01-01 Rev A  
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Wiring for Off-Grid Applications  
Wiring for Off-Grid Applications  
The following illustrations show the wiring examples for six basic off-grid  
configurations using the ACCB-L-L1 with a minimum number of breakers  
installed for clarity. For other possible configurations, consult a qualified  
electrician or a Xantrex certified dealer. (See www.xantrexREdealer.com).  
Single Inverter Configurations (120 Vac)  
The following illustration shows the complete wiring for the ACCB-L-L1 and  
SW Plus Inverter in an off-grid configuration. This illustration includes the use of  
a separate AC Distribution Panel.  
*IMPORTANT: To use both legs of a  
120/240 Vac generator in a single-inverter  
configuration, a Step-DownAutotransformer  
should be installed.  
See Figure 2-16 or Figure 2-17 for wiring a  
Step-Down Application depending on your  
specific installation.  
Figure 2-14 Wiring an Off-grid Application Using a Single Inverter  
973-0031-01-01 Rev A  
2–19  
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Installation  
The following illustration shows the complete wiring for the ACCB-L-L1 and  
SW Plus Inverter in an off-grid configuration. This illustration includes the use of  
field-installed circuit breakers in the ACCB-L-L1 for AC distribution, instead of  
using a separate sub panel.  
*IMPORTANT: To use both legs of a 120/240 Vac generator in  
a single-inverter configuration, a Step-Down Autotransformer  
should be installed.  
See Figure 2-16 or Figure 2-17 for wiring a Step-Down  
Application depending on your specific installation.  
Figure 2-15 Wiring an Off-grid Application Using a Single Inverter (No Sub Panel)  
2–20  
973-0031-01-01 Rev A  
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Wiring for Off-Grid Applications  
Step-down Configurations (240 Vac to 120 Vac)  
The following illustration shows the complete wiring for the ACCB-L-L1,  
TX Autotransformer, and a SW Plus Inverter for a Step-down Configuration to  
use a 240 Vac-Only Generator.  
Figure 2-16 Wiring an Off-grid Application Using a Single Inverter and TX Autotransformer in a Step-  
Down Configuration  
973-0031-01-01 Rev A  
2–21  
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Installation  
The following illustration shows the complete wiring for the ACCB-L-L1,  
TX Autotransformer, and a SW Plus Inverter for a Step-down Configuration to  
use a 240 Vac-Only Generator. This configuration uses the ACCB-L-L1 as the  
sub panel.  
Note: Because there is only one circuit breaker installed (other than  
the AC Bypass Switch), the output for the ACCB-L doesn’t not need  
to be connected to the L1 HOT Bus Bar. It can be connected to the  
line side of the field-installed circuit breaker.  
Figure 2-17 Wiring an Off-grid Application Using a Single Inverter and TX Autotransformer for a Step-  
Down Configuration (No Sub Panel)  
2–22  
973-0031-01-01 Rev A  
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Wiring for Off-Grid Applications  
Step-up Configuration (Deep Well Pump) (120 Vac to 240 Vac)  
The following illustration shows the complete wiring for the ACCB-L-L1,  
TX Autotransformer, and a SW Plus Inverter for a Step-up Configuration to  
provide power for a 240 Vac Load.  
Figure 2-18 Wiring an Off-grid Application Using a Single Inverter and TX Autotransformer for a Step-  
Up Configuration for a Deep Well Pump Application  
973-0031-01-01 Rev A  
2–23  
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Installation  
Dual Inverter Configurations (120 Vac and 240 Vac)  
The following illustration shows the complete wiring for the ACCB-L-L2  
(ACCB-L-L1 with ACCB-L2-PCK installed) and dual SW Plus Inverters in an  
off-grid application. In this configuration, the generator’s output (L1 and L2) is  
connected to the AC Bypass breakers, then to the SW Plus input and output.  
Figure 2-19 Wiring an Off-grid Application Using Dual Inverters (ACCB-L-L2)  
2–24  
973-0031-01-01 Rev A  
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Wiring for On-Grid Applications  
Wiring for On-Grid Applications  
The following illustrations show the complete wiring to the six basic on-grid  
configurations. For other possible configurations, consult a qualified electrician or  
a Xantrex certified dealer (See www.xantrexREdealer.com).  
Single Inverter Configurations (120 Vac)  
The following illustration shows the complete wiring for the ACCB-L-L1 and  
SW Plus Inverter in an on-grid configuration. This diagram also includes the use  
of a generator disconnect breaker in the ACCB-L-L1.  
*IMPORTANT: To use both  
legs of a 120/240 Vac  
generator in a single-inverter  
configuration, a Step-Down  
Autotransformer should be  
installed.  
See Figure 2-16 or Figure 2-17  
for wiring a Step-Down  
Application depending on your  
specific installation.  
Figure 2-20 Wiring an On-grid Application Using a Single Inverter  
973-0031-01-01 Rev A  
2–25  
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Installation  
The following illustration shows the complete wiring for the ACCB-L-L1 and  
SW Plus Inverter in an on-grid configuration. This diagram includes the use of a  
generator disconnect breaker and load breakers in the ACCB-L-L1.  
*IMPORTANT: To use both legs of a 120/240 Vac generator in a single-  
inverter configuration, a Step-Down Autotransformer should be installed.  
See Figure 2-16 or Figure 2-17 for wiring a Step-Down Application depending  
on your specific installation.  
Figure 2-21 Wiring an On-grid Application Using a Single Inverter (No Sub Panel)  
2–26  
973-0031-01-01 Rev A  
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Wiring for On-Grid Applications  
Step-up Configurations (Utility Backup) (120 Vac to 240 Vac)  
The following illustration shows the complete wiring for the ACCB-L-L1, TX  
Autotransformer, and a SW Plus Inverter for a Step-up Configuration to provide  
power for a 240 Vac Load.  
Figure 2-22 Wiring an On-grid Application Using a Single Inverter and TX Autotransformer for a Step-  
Up Configuration for Utility Backup  
973-0031-01-01 Rev A  
2–27  
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Installation  
Dual Inverter Configurations (120 Vac and 240 Vac)  
The following illustration shows the complete wiring for the ACCB-L-L2  
(ACCB-L-L1 with ACCB-L2-PCKinstalled) and dual SW Plus Inverters in an on-  
grid application. In this configuration, the utility grid is connected to the AC  
Bypass Breakers, then to the SW Plus input and output.  
Figure 2-23 Wiring an On-grid Application Using Dual Inverters (ACCB-L-L2)  
2–28  
973-0031-01-01 Rev A  
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Additional Accessory Wiring  
Additional Accessory Wiring  
If you have any of the following accessories connected (or to be connected) to  
your inverter, then you will also need to pass their connecting cables through the  
Long AC Conduit Box to the AC side of the inverter:  
•
•
Generator Start Module (GSM) for automatic generator control  
Auxiliary Load Module (ALM) for controlling auxiliary loads such as  
alarms or ventilator fans  
•
•
Emergency Power Off (EPO) switch (not supplied by Xantrex)  
Inverter Control Module (ICM), or an Inverter Communications Adapter  
(ICA) for remote control and monitoring of the inverter  
•
Inverter Stacking Control – Series (ISC-S) Cable for connecting to another  
inverter in a dual-inverter, series-stacked configuration.  
See your inverter owner’s guide and the appropriate accessory guide for further  
information about the installation and configuration of these accessories.  
IMPORTANT: Route the accessory  
cables away from the Bypass breaker(s)  
or terminal blocks. Wire ties may also be  
helpful in preventing the cables from  
resting against the circuit breaker(s) or  
AC Input/output Terminal blocks.  
AC Bypass Breaker(s)  
AC Input/output Terminal Block  
Figure 2-24 Accessory Wiring for Single-Inverter Configurations  
973-0031-01-01 Rev A  
2–29  
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Installation  
See "IMPORTANT"  
note in Figure 2-24.  
Inverter Stacking  
Cable - Series  
(ISC-S)  
Figure 2-25 Accessory Wiring for Dual-Inverter Configurations  
2–30  
973-0031-01-01 Rev A  
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Operation  
3
Chapter 3, “Operation” describes the different modes and operation of  
the AC Bypass Switch(es) on the ACCB-L-L1, or for the second AC  
Bypass Switch (ACCB-L-L2) if installed.  
The following topics are covered in this chapter.  
For this topic:  
See:  
“The AC Bypass Switch”  
“Operating the AC Bypass Switch”  
“Dual Inverters: 240 Vac Loads”  
page 3–2  
page 3–2  
page 3–4  
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Operation  
The AC Bypass Switch  
During normal operation (Figure 3-2 on page 3–3), AC power passes from the  
single external AC source (generator or grid) through the inverter to the AC loads.  
The inverter monitors the incoming power and uses this power to keep the  
batteries charged.  
When this external source of AC power is not available, the inverter switches to  
external DC power (e.g., batteries, generator, solar, wind, hydro) and continues to  
power the load.  
When performing inverter maintenance, the breakers can be switched to the  
Bypass Operation (Figure 3-3 on page 3–3) which allows the AC loads to be  
powered directly from the external AC source without affecting connected AC  
loads.  
To de-energize both circuits, switch the breaker pair to the OFF position (Figure  
3-4 on page 3–4).  
Operating the AC Bypass Switch  
Once the AC voltage has been applied, the bypass switch is ready for operation.  
Under normal operation the Inverter Output breaker is ON.  
There are three possible modes of operation for the bypass switch:  
•
•
•
“Normal Operation”  
“Bypass Operation”  
“AC Input/Output Off”  
ON  
ON  
60  
ON  
ON  
60  
ON  
ON  
60  
60  
60  
60  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
INVERTER  
Bypass 1  
on to bypass  
INVERTER  
DISCONNECT 1  
on for normaloperation  
INVERTER  
Bypass 1  
on to bypass  
INVERTER  
DISCONNECT 1  
on for normaloperation  
INVERTER  
Bypass 1  
on to bypass  
INVERTER  
DISCONNECT 1  
on for normaloperation  
BOTH OFFTO DISCONNECTAC OUTPUT  
BOTH OFFTO DISCONNECTAC OUTPUT  
BOTH OFFTO DISCONNECTAC OUTPUT  
BYPASS OPERATION:  
Left Breaker = ON  
Right Breaker = OFF  
AC OFF OPERATION:  
Left Breaker = OFF  
Right Breaker = OFF  
NORMAL OPERATION:  
Left Breaker = OFF  
Right Breaker = ON  
Utility or Generator AC  
power available to Inverter  
AC Distribution Panel  
Utility/Generator/Inverter AC  
power disconnected to Inverter  
AC Distribution Panel  
Inverter AC power  
available to Inverter  
AC Distribution Panel  
Figure 3-1 AC Bypass Switch Mode Summary  
3–2  
973-0031-01-01 Rev A  
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Operating the AC Bypass Switch  
Normal Operation  
External AC power passes to the AC Bypass Switch through the inverter to power  
the load (Figure 3-2).  
In this configuration, power passes from the inverter, through the AC Bypass  
Switch, to the connected load. When external AC power is not available, power  
from the external DC source is used by the inverter to power the AC loads.  
‘
ON  
60  
ON  
60  
Inverter in Circuit  
OFF  
OFF  
INVERTER  
Bypass 1  
on to bypass  
INVERTER  
DISCONNECT 1  
on for normaloperation  
BOTH OFF TO DISCONNECT AC OUTPUT  
Figure 3-2 Normal Operation  
Bypass Operation  
External AC power routed through the AC Bypass Switch directly to the AC loads  
(Figure 3-3).  
In this configuration, power passes directly to the connected load, bypassing the  
inverter (via the AC Bypass Switch). This allows the inverter to be removed from  
service without affecting the connected load. If the external source of AC  
becomes unavailable while the Bypass Operation is selected, the load will be  
dropped.  
‘
ON  
ON  
60  
60  
Inverter out of Circuit  
OFF  
OFF  
INVERTER  
By pa ss 1  
on to bypass  
INVERTER  
DISCONNECT 1  
on for normaloperation  
BOTH OFFTO DISCONNECTAC OUTPUT  
Figure 3-3 Bypass Operation  
973-0031-01-01 Rev A  
3–3  
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Operation  
AC Input/Output Off  
No power to the load or inverter (Figure 3-4).  
In this configuration, power from both the external sources of AC and the inverter  
is removed from the loads. This allows the inverter that is connected to the AC  
Bypass breaker to be removed for service.  
‘
ON  
ON  
Both external AC source and  
the Inverter are OFF  
60  
60  
OFF  
OFF  
AC Input from  
Grid or Gen  
AC Output to Loads  
INVERTER  
Bypas s 1  
on to bypass  
INVERTER  
DISCONNECT 1  
on for normaloperation  
BOTH OFFTO DISCONNECTAC OUTPUT  
Figure 3-4 AC Output OFF  
Dual Inverters: 240 Vac Loads  
WARNING: Fire Hazard  
In a series-stacked, inverter installation (120/240 Vac) with an AC Bypass switch for each  
inverter, both AC Bypass switches must be in the same position.  
If the AC Bypass switches are not in the same position, the resulting AC output of the two  
AC Bypass switches may not be 180° out-of-phase from each other. This can result in  
excess current on the neutral wire creating a potential fire hazard.  
This can also result in less than 240 Vac output. Loads requiring 240 Vac will not run.  
Some 240 Vac equipment may also be damaged if one AC “leg” is lost.  
3–4  
973-0031-01-01 Rev A  
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Warranty and Return Information  
Warranty  
What does this warranty cover? This Limited Warranty is provided by Xantrex Technology, Inc. ("Xantrex")  
and covers defects in workmanship and materials in your Sine Wave Plus Long AC Conduit Box. This warranty  
period lasts for two (2) years from the date of purchase at the point of sale to you, the original end user customer. You  
require proof of purchase to make warranty claims.  
This Limited Warranty is transferable to subsequent owners but only for the unexpired portion of the Warranty  
Period. Subsequent owners also require proof of purchase.  
What will Xantrex do? Xantrex will, at its option, repair or replace the defective product free of charge,  
provided that you notify Xantrex of the product defect within the Warranty Period, and provided that Xantrex through  
inspection establishes the existence of such a defect and that it is covered by this Limited Warranty.  
Xantrex will, at its option, use new and/or reconditioned parts in performing warranty repair and building  
replacement products. Xantrex reserves the right to use parts or products of original or improved design in the repair  
or replacement. If Xantrex repairs or replaces a product, its warranty continues for the remaining portion of the  
original Warranty Period or 90 days from the date of the return shipment to the customer, whichever is greater. All  
replaced products and all parts removed from repaired products become the property of Xantrex.  
Xantrex covers both parts and labor necessary to repair the product, and return shipment to the customer via a  
Xantrex-selected non-expedited surface freight within the contiguous United States and Canada. Alaska and Hawaii  
are excluded. Contact Xantrex Customer Service for details on freight policy for return shipments outside of the  
contiguous United States and Canada.  
How do you get service? If your product requires troubleshooting or warranty service, contact your merchant. If  
you are unable to contact your merchant, or the merchant is unable to provide service, contact Xantrex directly at:  
Telephone: 1 800 670 0707 (toll free North America)  
1 360 925 5097 (direct)  
Fax:  
1 800 994 7828 (toll free North America)  
1 360 925 5143 (direct)  
Email:  
[email protected]  
Direct returns may be performed according to the Xantrex Return Material Authorization Policy described in your  
product manual. For some products, Xantrex maintains a network of regional Authorized Service Centers. Call  
Xantrex or check our website to see if your product can be repaired at one of these facilities.  
What proof of purchase is required? In any warranty claim, dated proof of purchase must accompany the  
product and the product must not have been disassembled or modified without prior written authorization by Xantrex.  
Proof of purchase may be in any one of the following forms:  
•
•
•
The dated purchase receipt from the original purchase of the product at point of sale to the end user, or  
The dated dealer invoice or purchase receipt showing original equipment manufacturer (OEM) status, or  
The dated invoice or purchase receipt showing the product exchanged under warranty  
973-0031-01-01 Rev A  
WA–1  
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Warranty and Return  
What does this warranty not cover? This Limited Warranty does not cover normal wear and tear of the  
product or costs related to the removal, installation, or troubleshooting of the customer's electrical systems. This  
warranty does not apply to and Xantrex will not be responsible for any defect in or damage to:  
a) the product if it has been misused, neglected, improperly installed, physically damaged or altered, either inter-  
nally or externally, or damaged from improper use or use in an unsuitable environment;  
b) the product if it has been subjected to fire, water, generalized corrosion, biological infestations, or input voltage  
that creates operating conditions beyond the maximum or minimum limits listed in the Xantrex product specifi-  
cations including high input voltage from generators and lightning strikes;  
c) the product if repairs have been done to it other than by Xantrex or its authorized service centers (hereafter  
"ASCs");  
d) the product if it is used as a component part of a product expressly warranted by another manufacturer;  
e) the product if its original identification (trade-mark, serial number) markings have been defaced, altered, or  
removed.  
Disclaimer  
Product  
THIS LIMITED WARRANTY IS THE SOLE AND EXCLUSIVE WARRANTY PROVIDED BY XANTREX IN CONNECTION WITH YOUR  
XANTREX PRODUCT AND IS, WHERE PERMITTED BY LAW, IN LIEU OF ALL OTHER WARRANTIES, CONDITIONS,  
GUARANTEES, REPRESENTATIONS, OBLIGATIONS AND LIABILITIES, EXPRESS OR IMPLIED, STATUTORY OR OTHERWISE IN  
CONNECTION WITH THE PRODUCT, HOWEVER ARISING (WHETHER BY CONTRACT, TORT, NEGLIGENCE, PRINCIPLES OF  
MANUFACTURER'S LIABILITY, OPERATION OF LAW, CONDUCT, STATEMENT OR OTHERWISE), INCLUDING WITHOUT  
RESTRICTION ANY IMPLIED WARRANTY OR CONDITION OF QUALITY, MERCHANTABILITY OR FITNESS FOR A PARTICULAR  
PURPOSE. ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TO THE EXTENT  
REQUIRED UNDER APPLICABLE LAW TO APPLY TO THE PRODUCT SHALL BE LIMITED IN DURATION TO THE PERIOD  
STIPULATED UNDER THIS LIMITED WARRANTY.  
IN NO EVENT WILL XANTREX BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL  
DAMAGES, LOSSES, COSTS OR EXPENSES HOWEVER ARISING WHETHER IN CONTRACT OR TORT INCLUDING WITHOUT  
RESTRICTION ANY ECONOMIC LOSSES OF ANY KIND, ANY LOSS OR DAMAGE TO PROPERTY, ANY PERSONAL INJURY, ANY  
DAMAGE OR INJURY ARISING FROM OR AS A RESULT OF MISUSE OR ABUSE, OR THE INCORRECT INSTALLATION,  
INTEGRATION OR OPERATION OF THE PRODUCT.  
Exclusions  
If this product is a consumer product, federal law does not allow an exclusion of implied warranties. To the extent you  
are entitled to implied warranties under federal law, to the extent permitted by applicable law they are limited to the  
duration of this Limited Warranty. Some states and provinces do not allow limitations or exclusions on implied  
warranties or on the duration of an implied warranty or on the limitation or exclusion of incidental or consequential  
damages, so the above limitation(s) or exclusion(s) may not apply to you. This Limited Warranty gives you specific  
legal rights. You may have other rights which may vary from state to state or province to province.  
Warning: Limitations On Use  
Please refer to your product manual for limitations on uses of the product.  
SPECIFICALLY, PLEASE NOTE THAT THE SINE WAVE PLUS LONG AC CONDUIT BOX SHOULD NOT BE USED IN  
CONNECTION WITH LIFE SUPPORT SYSTEMS OR OTHER MEDICAL EQUIPMENT OR DEVICES. WITHOUT LIMITING THE  
GENERALITY OF THE FOREGOING, XANTREX MAKES NO REPRESENTATIONS OR WARRANTIES REGARDING THE USE OF THE  
XANTREX SINE WAVE PLUS LONG AC CONDUIT BOX IN CONNECTION WITH LIFE SUPPORT SYSTEMS OR OTHER  
MEDICAL EQUIPMENT OR DEVICES.  
Please note that the Sine Wave Plus Long AC Conduit Box is not intended for use as an uninterruptedly power supply  
and Xantrex makes no warranty or representation in connection with any use of the product for such purposes.  
WA–2  
973-0031-01-01 Rev A  
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Warranty and Return  
Return Material Authorization Policy  
Before returning a product directly to Xantrex you must obtain a Return Material Authorization (RMA) number and  
the correct factory "Ship To" address. Products must also be shipped prepaid. Product shipments will be refused and  
returned at your expense if they are unauthorized, returned without an RMA number clearly marked on the outside of  
the shipping box, if they are shipped collect, or if they are shipped to the wrong location.  
When you contact Xantrex to obtain service, please have your instruction manual ready for reference and be prepared  
to supply:  
•
•
•
•
The serial number of your product  
Information about the installation and use of the unit  
Information about the failure and/or reason for the return  
A copy of your dated proof of purchase  
Record these details in on page WA–4.  
Return Procedure  
1. Package the unit safely, preferably using the original box and packing materials. Please ensure that your product  
is shipped fully insured in the original packaging or equivalent. This warranty will not apply where the product is  
damaged due to improper packaging.  
2. Include the following:  
•
•
•
•
The RMA number supplied by Xantrex Technology, Inc. clearly marked on the outside of the box.  
A return address where the unit can be shipped. Post office boxes are not acceptable.  
A contact telephone number where you can be reached during work hours.  
A brief description of the problem.  
3. Ship the unit prepaid to the address provided by your Xantrex customer service representative.  
If you are returning a product from outside of the USA or Canada In addition to the above, you MUST  
include return freight funds and are fully responsible for all documents, duties, tariffs, and deposits.  
If you are returning a product to a Xantrex Authorized Service Center (ASC) A Xantrex return  
material authorization (RMA) number is not required. However, you must contact the ASC prior to returning the  
product or presenting the unit to verify any return procedures that may apply to that particular facility.  
Out of Warranty Service  
If the warranty period for your Sine Wave Plus Long AC Conduit Box has expired, if the unit was damaged by misuse  
or incorrect installation, if other conditions of the warranty have not been met, or if no dated proof of purchase is  
available, your inverter may be serviced or replaced for a flat fee.  
To return your Sine Wave Plus Long AC Conduit Box for out of warranty service, contact Xantrex Customer Service  
for a Return Material Authorization (RMA) number and follow the other steps outlined in “Return Procedure” on  
page WA–3.  
Payment options such as credit card or money order will be explained by the Customer Service Representative. In  
cases where the minimum flat fee does not apply, as with incomplete units or units with excessive damage, an  
additional fee will be charged. If applicable, you will be contacted by Customer Service once your unit has been  
received.  
973-0031-01-01 Rev A  
WA–3  
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Warranty and Return  
Information About Your System  
As soon as you open your Sine Wave Plus Long AC Conduit Box package, record the following information and be  
sure to keep your proof of purchase.  
_________________________________  
_________________________________  
_________________________________  
❐ Serial Number  
❐ Purchased From  
❐ Purchase Date  
If you need to contact Customer Service, please record the following details before calling. This information will help  
our representatives give you better service.  
__________________________________  
__________________________________  
__________________________________  
__________________________________  
__________________________________  
__________________________________  
__________________________________  
__________________________________  
__________________________________  
❐ Type of installation (e.g. residential, mobile)  
❐ Length of time inverter has been installed  
❐ Battery/battery bank size  
❐ Battery type (e.g. flooded, sealed gel cell, AGM)  
❐ DC wiring size and length  
❐ Alarm sounding?  
❐ Description of indicators on front panel  
❐ Appliances operating when problem occurred  
❐ Description of problem  
______________________________________________________________________________________  
______________________________________________________________________________________  
WA–4  
973-0031-01-01 Rev A  
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Index  
inverter  
purchase date WA–4  
serial number WA–4  
A
abbreviations and acronyms iv  
AC Bypass Switch Assembly 1–6  
AC conduit box - Long (ACCB-L)  
introduction 1–2  
Inverter Communications Adapter (ICA) 2–29  
Inverter Communications Adapter (ICA), wiring for 2–  
29  
Inverter Control Module (ICM) 2–29  
Inverter Control Module (ICM), wiring for 2–29  
Inverter Stacking Control - Series (ISC-S) cable  
additional accessory wiring 2–29  
grommets for ACCB-L slots 2–6  
ISC-S/ICM cable slots 2–6  
specifications 1–4  
AC disconnect breakers 1–2  
AC load breakers 2–10  
additional accessory wiring 2–29  
additional breakers in the ACCB-L 2–10  
Auxiliary Load Module (ALM), wiring for 2–29  
B
K
Blockoff Plates (BP-1) 1–7  
breakers 1–4  
Knockout Preparation 2–8  
knockouts  
owner-installed 2–10  
bypass switch 1–6  
AC output OFF 3–4  
bypass operation 3–3  
location on the inverter 2–8  
preparation 2–8  
L
Location 2–4  
C
Code Compliance 2–2  
Customer Service  
preparing to call WA–4  
M
materials required for installation 2–2  
E
O
Emergency Power Off (EPO), wiring for 2–29  
Off-Grid Configurations 2–3  
On-Grid Configurations 2–3  
operation of bypass switch 3–2  
G
Generator Start Module (GSM), wiring for 2–29  
P
preparation for installation 2–2  
proof of purchase WA–4  
purchase date WA–4  
I
Important Safety Instructions v  
Information about Your System form WA–4  
installation  
additional breakers in ACCB-L 2–10  
codes 2–2  
knockout preparation 2–8  
materials 2–2  
S
serial number WA–4  
specifications for the ACCB-L 1–4  
removing cover 2–6  
tools 2–2  
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Index  
T
tools required for installation 2–2  
V
Ventilation Requirements 2–5  
W
warranty  
out of warranty service WA–3  
terms and conditions WA–1  
wiring  
additional accessories 2–29  
X
Xantrex  
web site iv  
IX–2  
973-0031-01-01 Rev A  
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Xantrex Technology Inc.  
1 800 670 0707 Tel toll free NA  
1 360 925 5097 Tel direct  
1 800 994 7828 Fax toll free NA  
1 360 925 5143 Fax direct  
[email protected]  
www.xantrex.com  
PC Printed in USA  
973-0031-01-01  
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