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Summary of Contents for Xantrex ACCB
- Page 1 ACCB Owner’s Guide Sine Wave Plus AC Conduit Box (ACCB) Owner’s Guide...
- Page 3 Sine Wave Plus AC Conduit Box (ACCB) Installation Guide...
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Page 4: Contact Information
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. -
Page 5: About This
Chapter 1, “Installation” provides installation and wiring instructions for the Sine Wave Plus AC Conduit Box (ACCB). Chapter 2, “Operating the ACCB” describes the different modes and operation of the Bypass Switch on the ACCB. Warranty and product information is provided at the end of the guide. -
Page 6: Abbreviations And Acronyms
Abbreviations and Acronyms ACCB ISC-S SP-1 SEMS Screw Related Information You can find more information about Xantrex Technology Inc. as well as its products and services at www.xantrex.com Alternating Current AC Conduit Box Auxiliary Load Module Authorized Service Center American Wire Gauge... -
Page 7: Important Safety Instructions
This chapter contains important safety and operating instructions for Plus AC Conduit Conduit Box (ACCB) Installation Guide 1. Before installing the ACCB, read all instructions and cautionary markings on the 2. Do not expose the fire hazard, do not cover or obstruct the ventilation openings. Do not install the result. -
Page 8: Explosive Gas Precautions
Therefore, you must read this guide and follow the instructions exactly before installing the ACCB. 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. -
Page 9: Table Of Contents
Internal Generator Disconnect- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–22 Wiring for Off-Grid Applications Using Additional Circuit Breakers in the ACCB Only 1–26 Wiring for On-Grid Applications Using an AC Distribution Panel and an Internal Generator Disconnect Breaker - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–30... - Page 10 2 Operating the ACCB The Bypass Switch- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–2 Operating the Bypass Switch - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–2...
- Page 11 Breakers in the ACCB - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–27...
- Page 12 ACCB Only - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–34...
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Page 13: Installation
For this topic: “Introduction” “Specifications” “Bypass Switch Assembly” “Code Compliance” “Installation Tools and Materials” “Wiring Scenarios” “Pre-installation” “Mounting the ACCB to the Inverter” “Pre-Wiring Preparation” “Off-Grid Wiring” “On-Grid Wiring” “Wiring for Dual Inverter Configurations” (ACCB). See: page 1–2 page 1–3 page 1–4... -
Page 14: Introduction
(for a single AC source) and AC disconnect breakers. Additional circuit breakers may be added to the ACCB. Use Square D, Type QOU, DIN rail mounted breakers which can be readily purchased from most electrical suppliers. -
Page 15: Specifications
Finish Color Regulatory 8 7/8" (225 mm) Figure 1-2 ACCB Dimensions (not to scale) 975-0046-01-01 15 1/8" (H) x 10 3/4" (W) x 8 7/8" (D) (384 mm x 273 mm x 225 mm) 12 pounds (5 kg) 15 pounds (7 kg) -
Page 16: Bypass Switch Assembly
Chapter 2, “Operating the ACCB will not be guarded from accidental touch. Be sure to install the for installation instructions for the Safety Plate. is designed for 120 Vac ACCB”, in this ACCB to prevent ACCB if the inverter is... -
Page 17: Code Compliance
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. -
Page 18: Wiring Scenarios
The following On-Grid scenarios are covered in this guide: • On-Grid Applications with generator backup using an AC Distribution Panel and an additional circuit breaker in the ACCB for a generator disconnect. • On-Grid Applications using additional circuit breakers in the ACCB for AC distribution (i.e., no sub panel). -
Page 19: Pre-Installation
Location Be sure to allow sufficient space for the adjacent to the inverter’s AC side. Also consider the additional weight and ventilation space requirements of the ACCB. Ventilation Requirements Minimum clearance for ventilation around 6 inches (152 mm) at the end and at the top. The minimum clearance is needed to prevent recirculating hot air from the inverter’s exhaust (DC... -
Page 20: Knockout Preparation
See ACCB. 3. If additional circuit breakers are to be added to the ACCB, remove one knockout on the top cover for each additional circuit breaker to be installed. See ACCB 4. -
Page 21: Accessory Cable Slots
Breakers Accessory Cable Slots Two slots on the top and bottom of the ACCB base are provided to route the cables for the Inverter Stacking Cable - Series (ISC-S) and the remote Inverter Control Module (ICM) if used. These slots are covered by small hole plugs if these accessories are not used. -
Page 22: Figure 1-7 Accb Knockout Locations
1/2" and 3/4" (13 mm and 19 mm) Dual Knockout 3/4" and 1" (19 mm and 25 mm) Dual Knockout Figure 1-7 ACCB Knockout Locations 1–10 Slots for optional ISC-S and ICM cables Vented End Knockouts 1/2" and 3/4" (13mm and 19 mm) Dual Knockout 3/4"... -
Page 23: Removing And Replacing The Accb Cover
Removing and Replacing the Remove the top cover to install additional breakers and to connect the AC wiring of the inverter to the ACCB. Figure 1-8 To remove the 1. Remove the three #12 Phillips screws and lock washers from the front of the cover and the two #8 Phillips head, Sems screws from the top and bottom of the cover. -
Page 24: Figure 1-8 Accb Cover Removal
Remove these #12 Phillips screws and lock washers from the front of the chassis. When replaced, torque to 26-28 in-lbs. Knockout panels for additional circuit breakers ACCB Base Hole Plugs for the ISC-S and ICM cable slots Figure 1-8 ACCB Cover Removal 1–12... -
Page 25: Installing Additional Breakers
DIN Rail. DIN Rail Figure 1-9 Installing Additional Breakers on the DIN rail 975-0046-01-01 ACCB DIN-Rail accepts Square-D, Type QOU These factory-installed wires will be routed and connected to the inverter. -
Page 26: Accb
Inverter/Charger Owner’s Manual for specific mounting instructions for the inverter. 2. Line up the rails are aligned together and the ACCB base is as close to the inverter as possible. The gap between the should be no more than 1/16 inch. -
Page 27: Pre-Wiring Preparation
Accessing the Terminal Blocks Consult the Sine Wave Plus Inverter/Charger Owner’s Manual for additional information on wire and disconnect requirements. To prepare the ACCB and Inverter for wiring installation: 1. Expose the terminal block in the cover, as described on 2. -
Page 28: Figure 1-11 Accb Ac Terminal Block Distribution Blocks
The 1:4 distribution blocks accept #2/0 - 14 AWG on the single terminal and #4-14 AWG on the quad terminals. The ground bar in the ACCB accepts #4 to 14 AWG wires. 1:1 distribution block Figure 1-11 ACCB AC Terminal Block Distribution Blocks... -
Page 29: Figure 1-12 Accb Internal Components And Factory-Installed Wiring
Assembly DIN Rail Factory-installed Hot IN Wire (labeled TO INV - AC1 GRID OR Ground Bar AC2 GEN) Figure 1-12 ACCB Internal Components and Factory-installed Wiring Bypass Switch Assembly includes: two 60-amp circuit breakers and a lockout rocker Figure 1-13... -
Page 30: Wiring For Off-Grid Applications Using An Ac Distribution Panel And An External Generator Disconnect
Panel and an External Generator Disconnect The following diagram shows the complete wiring diagram for wiring the ACCB and Sine Wave Plus Inverter inputs and outputs in an off-grid application using an AC distribution panel for the outputs and a 120 Vac generator for input. -
Page 31: Figure 1-15 Ground Connections For An Off-Grid Application With An Ac Distribution Panel And An External Generator Disconnect
2. Route cable(s) (hot, neutral, and ground) from the AC distribution panel through one of the knockouts prepared in the connect the ground wire (green) to the ground bar in the ACCB. 3. Connect the factory-installed ground wire (green) in the AC ground bar in the inverter. -
Page 32: Figure 1-16 Neutral Connections For An Off-Grid Application With An Ac Distribution Panel And An External Generator Disconnect
2. Connect the neutral (white) wire from neutral bar in the AC distribution panel to one of the neutral terminals in the ACCB. 3. Connect the factory-installed neutral wire (white) in the NEU2 terminal in the inverter. -
Page 33: Figure 1-17 Hot Connections For An Off-Grid Application With An Ac Distribution Panel And An External Generator Disconnect
AC Distribution Panel. 4. Connect a hot (black) wire from the generator disconnect to the AC IN terminal in the ACCB. Figure 1-17 Hot Connections for an Off-grid Application with an AC Distribution Panel and an External Generator Disconnect... -
Page 34: Wiring For Off-Grid Applications Using An Ac Distribution Panel And An Internal Generator Disconnect
Panel and an Internal Generator Disconnect The following diagram shows the complete wiring diagram for wiring the ACCB and Sine Wave Plus Inverter inputs and outputs in an off-grid application using an AC distribution panel for the outputs and a 120 Vac generator for input. -
Page 35: Figure 1-19 Ground Connections For An Off-Grid Application With An Ac Distribution Panel And An Internal Generator Disconnect Breaker
2. Route cable(s) (hot, neutral, and ground) from the AC distribution panel through one of the knockouts prepared in the connect the ground wire (green) to the ground bar in the ACCB. 3. Connect the factory-installed ground wire (green) in the AC ground bar in the inverter. -
Page 36: Figure 1-20 Neutral Connections For An Off-Grid Application With An Ac Distribution Panel And An Internal Generator Disconnect
2. Connect the neutral (white) wire from the neutral bar in the AC distirbution palen to one of the neutral terminals in the ACCB. 3. Connect the factory-installed neutral wire (white) in the NEU2 terminal in the inverter. -
Page 37: Figure 1-21 Hot Connections For An Off-Grid Application With An Ac Distribution Panel And An Internal Generator Disconnect
HOT IN on the AC distribution panel. 4. Connect another hot (black) wire from the generator disconnect breaker to the AC IN terminal in the ACCB. 5. Connect the hot (black) wire from the generator to the top of the generator disconnect breaker. -
Page 38: Wiring For Off-Grid Applications Using Additional Circuit Breakers In The Accb Only
120V AC Generator AC Loads To Primary System Ground Figure 1-22 Wiring an Off-Grid Application Using Additional Circuit Breakers in the ACCB Only WARNING: Shock Hazard Ensure that all AC and DC power is not “live” before proceeding. 1–26 (page 1–28), and hot connections last... -
Page 39: Figure 1-23 Ground Connections For An Off-Grid Application With Additional Circuit
To make the ground connections: 1. Prepare the primary system ground and, routing it through one of the knockouts prepared in the ACCB, connect it to the ground bar in the ACCB. See the Sine Wave Plus Inverter/Charger Owner’s Manual for information regarding preparing the primary system ground. -
Page 40: Figure 1-24 Neutral Connections For An Off-Grid Application With Additional Circuit
ACCB. 4. Route and connect a neutral wire from one of the neutral connections in the ACCB to the outlet that will support the AC load. Figure 1-24 Neutral Connections for an Off-grid Application with Additional Circuit Breakers in the ACCB 1–28... -
Page 41: Figure 1-25 Hot Connections For An Off-Grid Application With Additional Circuit Breakers
Output Breaker in the 3. Connect another hot (black) wire from the generator disconnect breaker to the AC IN terminal in the ACCB. Connect the other end of that same hot (black) wire to the bottom of the generator disconnect breaker. -
Page 42: Wiring For On-Grid Applications Using An Ac Distribution Panel And An Internal Generator Disconnect Breaker
Panel and an Internal Generator Disconnect Breaker The following diagram shows the complete wiring diagram for wiring the ACCB and Sine Wave Plus Inverter inputs and outputs in an on-grid application using an AC distribution panel for the outputs and a 120 Vac generator for input. -
Page 43: Figure 1-27 Ground Connections For An On-Grid Application With An Ac Distribution Panel (Sub Panel) And A Generator Disconnect Breaker In The Accb
Panel SubPanel Figure 1-27 Ground Connections for an On-Grid Application with an AC Distribution Panel (sub panel) and a Generator Disconnect Breaker in the ACCB 975-0046-01-01 Wiring for On-Grid Applications Using an AC Distribution Panel and connect the ground wire (green) to the ground bar in the... -
Page 44: Figure 1-28 Neutral Connections For An On-Grid Application With An Ac Distribution Panel And Internal Generator Disconnect Breaker In The Accb
2. Connect the neutral (white) wire from the neutral bar in the main AC distribution panel to one of the neutral terminals in the ACCB. 3. Connect a neutral (white) wire from the sub panel to one of the neutral terminals in the ACCB. -
Page 45: Figure 1-29 Hot Connections For An On-Grid Application With An Ac Distribution Panel And An Internal Generator Disconnect
Output Breaker in the 3. Connect the hot (black) wire from the main AC distribution panel to the AC IN terminal in the ACCB. 4. Connect the hot (black) wire from the generator to the top of the generator disconnect breaker in the ACCB. -
Page 46: Wiring For On-Grid Applications Using Additional Circuit Breakers In The Accb Only
AC Load To Primary System Ground Figure 1-30 Wiring an On-Grid Application Using Additional Circuit Breakers in the ACCB Only WARNING: Shock Hazard Ensure that all AC and DC power is not “live” before proceeding. Important: and work with, a single AC source. In a system that has multiple AC sources, you must decide which AC source will be wired through the inverter bypass circuit breaker and which will not. -
Page 47: Figure 1-31 Ground Connections For An On-Grid Application Using Additional Circuit
Wiring for On-Grid Applications Using Additional Circuit Breakers in the ACCB Only To make the ground connections: 1. Prepare the primary system ground and connect it to the ground bar in the main AC distribution panel. See the Sine Wave Plus Inverter/ Charger Owner’s Manual for information regarding preparing the... -
Page 48: Figure 1-32 Neutral Connections For An On-Grid Application Using Additional Circuit
2. Connect the neutral (white) wire from the neutral bar in the main AC distribution panel to one of the neutral terminals in the ACCB. 3. Connect the factory-installed neutral wire (white) in the NEU1 terminal in the inverter. -
Page 49: Figure 1-33 Hot Connections For An On-Grid Application Using Additional Circuit Breakers
Wiring for On-Grid Applications Using Additional Circuit Breakers in the ACCB Only To make the hot connections: 1. Connect the factory-installed hot (black) wire from the Inverter Input Breaker in the 2. Connect the factory-installed hot wire (black) from the Inverter Output Breaker in the 3. -
Page 50: Additional Accessory Wiring
Inverter Stacking Control – Series (ISC-S) Cable for connecting to another inverter in a dual inverter configuration. See your inverter owner’s guide and the appropriate accessory guide for further information about the installation and configuration of these accessories. 1–38 ACCB to the AC side of the inverter: 975-0046-01-01... -
Page 51: Wiring For Dual Inverter Configurations
1. All NEUTRAL IN wiring goes only to the neutral terminals in the L1 ACCB 2. A neutral bond between the inverters is created by connecting an owner supplied #6 AWG THHN neutral wire (white) from the... -
Page 52: Installing The Safety Plate
Sems screws that attach the top cover. To install the safety plate: 3. Remove the two #8 Sems screws on the top and bottom of the ACCB. Put these screws is a safe place. 4. Slide the safety plate over the open end of the conduit box inserting the cover tabs into the slots on the safety plate. -
Page 53: Figure 1-36 Installing The Safety Plate Sp-1 On The Accb
Top Cover Replace the #8 Sems screw from the bottom of the chassis. Figure 1-36 Installing the Safety Plate SP-1 on the ACCB 975-0046-01-01 Installing the Safety Plate Safety Plate Ensure the top cover tabs protrude through the cover tab slots. - Page 54 1–42...
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Page 55: Operating The
Operating the Chapter 2, “Operating the ACCB” modes and operation of the Bypass Switch on the ACCB. The following topics are covered in this chapter. For this topic: “The Bypass Switch” “Operating the Bypass Switch” “Dual Inverters: 240 Vac Loads”... -
Page 56: Normal Operation
Operating the ACCB The Bypass Switch During normal operation from the external AC source (generator or grid) through the inverter to the AC loads. The inverter monitors the incoming power and can keep the batteries charged. When external sources of AC power are not available, the inverter switches to external DC power (e.g., batteries, generator, solar, wind,... -
Page 57: Normal Operation
Normal Operation Inverter AC power passes through the inverter to the load In this configuration, power passes through the inverter 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. ‘... -
Page 58: Ac Input/Output Off
Operating the ACCB AC Input/Output Off No power to the load or charger In this configuration, power from both the external sources of AC and the inverter is removed from the loads. This allows the inverter, the connected loads, or any other installed equipment beyond the ‘... -
Page 59: Return Material Authorization Policy
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. 975-0046-01-01 This Limited Warranty is provided by Xantrex Technology, Inc. Sine Wave Plus AC Conduit two (2) years... - Page 60 Warranty and Product Information 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 •...
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Page 61: Return Procedure
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. -
Page 62: Out Of Warranty Service
Warranty and Product Information Out of Warranty Service If the warranty period for your Sine Wave Plus AC Conduit Box 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. -
Page 63: Index
1–2 introduction 1–3 specifications 1–13 AC load breakers 1–39 AC wiring for dual inverters 1–38 additional accessory wiring 1–13 additional breakers in the ACCB Auxiliary Load Module (ALM), wiring for 1–3 breakers 1–13 DIN-rail 1–13 owner-installed 1–4 bypass switch 2–4 AC output OFF 2–3... - Page 64 RMA number v–vi safety instructions 1–40 Safety Plate (SP-1) see dual inverters series stacked inverters, 1–3 specifications for the ACCB telephone number for Customer Service 1–5 tools required for installation warranty WA–4 out of warranty service return material authorization policy WA–3...
- Page 66 Xantrex Technology Inc. 360 435 8826 Tel 360 435 3547 Fax 800 670 0707 Toll Free North America customerservice@xantrex.com www.xantrex.com 975-0046-01-01 Printed in usa...
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