INTERNATIONAL
FX/VFX SERIES
INVERTER/CHARGER
FX2012ET FX 2024ET FX2348ET
VFX2612E VFX3024E VFX3048E
Installation Manual
Mounting and Installation
Warranty Introduction
Dear OutBack Customer,
Thank you for your purchase of OutBack products. We make every e ort to assure our power
conversion products will give you long and reliable service for your renewable energy system.
As with any manufactured device, repairs might be needed due to damage, inappropriate use, or
unintentional defect. Please note the following guidelines regarding warranty service of OutBack
products:
• Any and all warranty repairs must conform to the terms of the warranty.
• All OutBack equipment must be installed according to their accompanying instructions and manuals
with speci ed over-current protection in order to maintain their warranties.
• The customer must return the component(s) to OutBack, securely packaged, properly addressed,
and shipping paid. We recommend insuring your package when shipping. Packages that are not
securely packaged can sustain additional damage not covered by the warranty or can void warranty
repairs.
• There is no allowance or reimbursement for an installer’s or user’s labor or travel time required to
disconnect, service, or reinstall the damaged component(s).
• OutBack will ship the repaired or replacement component(s) prepaid to addresses in the continental
United States, where applicable. Shipments outside the U.S. will be sent freight collect.
• In the event of a product malfunction, OutBack cannot bear any responsibility for consequential
losses, expenses, or damage to other components.
• Please read the full warranty at the end of this manual for more information.
About OutBack Power Systems
OutBack Power Systems is a leader in advanced energy conversion technology. Our products include
true sine wave inverter/chargers, maximum power point charge controllers, system communication
components, as well as breaker panels, breakers, accessories, and assembled systems.
Notice of Copyright
International FX and VFX Series Inverter/Charger Installation Manual REV B © 2008 All rights reserved.
Disclaimer
UNLESS SPECIFICALLY AGREED TO IN WRITING, OUTBACK POWER SYSTEMS:
(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.
Contact Information
OutBack Power Systems
19009 62nd Ave. NE • Arlington, WA 98223
Phone (360) 435-6030 • Fax (360) 435-6019
www.outbackpower.com
TABLE OF CONTENTS
EU Declaration of Conformity ......................................................................................................................................................2
Welcome to the OutBack Power Systems FX Series Inverter/Charger System .............................................3
FX Series Inverter/Charger Models ...........................................................................................................................................3
Safety ...........................................................................................................................................................................................................4
System Protection.................................................................................................................................................... ...........................6
DC Wiring Origination....................................................................................................................................... ...............................6
AC Wiring Origination........................................................................................................................................ ...............................7
AC Wiring Compartment Board................................................................................................................... ..............................7
Low Voltage Terminals ......................................................................................................................................................................8
AC and DC Grounding Requirements............................................................................................. .......................................9
FX Parts and Accessories................................................................................................................... ...........................................10
Mounting........................................................................................................................................................... ....................................11
Wire Connections........................................................................................................................... ..................................................12
12V Battery Wiring Samples .......................................................................................................................................................13
AC Wiring Notes ...............................................................................................................................................................................20
Low Voltage Wiring..........................................................................................................................................................................21
Inverter and On/O ................................................................................................................................................. .... ..........21
Auxiliary Output (AUX+ / AUX-)......................................................................................................................... ............22
XCT+ / XCT-................................................................................................................................................................. ...............22
RTS, MATE/HUB Wiring................................................................................................................................................... .... ...........23
Sample Installations.......................................................................................................................................................... ... ...........24
Single FX System.................................................................................................................................................... .................24
Paralleled Dual FX System .................................................................................................................................................25
Paralleled Quad FX System ...............................................................................................................................................26
3-Phase System............................................................................................................................................. ...........................26
Generator Interfaces............................................................................................................................................ ..... ......................29
Installation Check List..................................................................................................................................... ..... ..........................30
Appendix............................................................................................................................................................ ............................31-33
Voltage, Current, and Frequency Ranges....................................................................................................................34-36
Maximum Overcurrent Protection Ampacity..................................................................................................................37
Wire Sizes............................................................................................................................................................ ............................37-38
Maintenance .......................................................................................................................................................................................38
FX Default Values ..............................................................................................................................................................................39
Warranty............................................................................................................................................................... ..................................40
Product Registration..................................................................................................................................... ..................................42
1
EU DECLARATION OF CONFORMITY
According to ISO / IEC Guide 22 and EN45014
Product Type: Inverter/Charger
Product Model Numbers:
• FX2012ET • FX2024ET • FX2348ET • VFX2612E • VFX3024E • VFX3048E
The OutBack Power Systems FX Series Inverter/Chargers export (“E”) models comply with the following
EU directives when installed in o -grid applications only:
• EU Declaration of Conformity regarding Electromagnetic Compatibility 89/336/EEC (“Council
Directive of 3 May 1989”)
• Low Voltage Directive 73/23/EEC (“Council Directive of 19 February 1973”).
The compliance of the above-mentioned products with the directive and the following essential
requirements is hereby con rmed:
Emissions Immunity Safety
EN 61000-6-3 (2001) EN 61000-6-1 (2001) EN 61000-3-2 (2000) EN 61000-3-3 (1995)
These inverter/chargers are not to be connected to the mains under any circumstances.
The AC-IN connection on each E model inverter/charger is only approved for connection to an AC
generator.
All associated technical les are located in the Engineering Department at OutBack Power Systems, Inc.,
Arlington, Washington, USA.
As the manufacturer, we declare under our sole responsibility that the above-mentioned products
comply with the above-named directives.
19009 62nd Ave. NE
Arlington, WA. 98223 USA
(360) 435-6030
2
Welcome to the OutBack Power Systems FX Series Inverter/Charger System
The FX Series Inverter/Charger o ers a complete power conversion system—DC to AC, battery
charging, and an AC transfer relay—and can be used as a stand-alone or back-up application. It is
designed for indoor or enclosed locations.
OutBack Power Systems does everything possible to assure the components you purchase will
function properly and safely when installed as instructed according to local and national electrical
codes. Please read all of the following instructions and the instructions that come with any OutBack
components that make up your power system. Further instructions on individual FX set-ups as well as
system assemblies are included with the FLEXware manuals.
• The Export FX is CE tested (see “EU Declaration of Conformity” on the previous page).
The International FX and VFX Series Inverter/Charger Installation Manual covers the following information:
• Safety
• FX parts, standard and optional
• Initial inspection of the component
• Preparing the mounting surface
• Fastening the FX to the mounting surface
• General electrical information
E Series FX Series Inverter/Charger Models
Sealed Units (designed for harsher environments, but still require enclosed protection)
•
FX2012ET (12 VDC/2000 VA) 230VAC/50 Hz
•
FX2024ET (24 VDC/2000 VA) 230VAC/50 Hz
•
FX2348ET (48 VDC/2300 VA) 230VAC/50 Hz
Vented Units (designed for more protected environments)
•
VFX2612E (12 VDC/2600 VA) 230VAC/50 Hz
•
VFX3024E (24 VDC/3000VA) 230VAC/50 Hz
VFX3048E (48 VDC/3000VA) 230VAC/50 Hz
•
Each model FX has a single phase output marked with this symbol:
Each inverter puts out a sine wave waveform marked with this symbol:
Parts Included
• One E Series FX Series Inverter/Charger
• One “WARNING ELECTRICAL SHOCK” sticker to place on the exterior of the FX
• One packet of silicone grease to protect CAT 5 cable connections
• One installation manual
• One programming manual
• One Turbo Kit (sealed units)
• One DC Wiring Cover or DCC (vented units)
• DC terminal covers (one red and one black)
• AC Wire Compartment Plate
3
READ FIRST!
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
Read all instructions and cautionary markings on the FX, the batteries and all appropriate sections of
this installation and user manual as well as other component manuals before using the system.
Be cautious around electricity, electrical components, and batteries. Shocks, burns, injury, and even
death can occur if an installer comes in contact with electricity.
Install all components and wiring according to national and local electrical and building codes. This
includes:
• Submitting a plan to the local building department
• Passing inspection
• Requiring a licensed electrician to do the work when mandated
OutBack Power Systems cannot be responsible for system failure, damages, or injury resulting from
improper installation of their products.
Use only the recommended DC and AC wire sizes or greater. Be sure all wires are in good condition.
Install the FX in a dry location, preferably indoors.
• Install the FX in a shaded area out of direct
sunlight for best operation.
• For installations where the FX may be exposed to water spray, a sealed FX must be used and
mounted either with the base down (shelf mounting) or with the AC wiring compartment facing
down (wall mounting).
• If mounted with the base down, water cannot be allowed to accumulate around the FX’s base. There
is a drainage system on the base of the FX to dispel condensation. If submerged, water can enter this
drain and cause failure.
• The Vented FX (VFX) must be installed in a weather-proof enclosure or enclosed area.
It is not designed for exposure to water or excessive wind-blown dust and debris.
INITIAL INSPECTION
Your FX is stoutly packaged for secure shipping. Please inspect the packaging and component for
damage prior to installation. Retain this packaging in the unlikely event your FX is ever returned to
OutBack for servicing (see page 39).
4
WARNING: WORKING NEAR LEAD ACID BATTERIES CAN BE DANGEROUS. BATTERIES
GENERATE EXPLOSIVE GASES DURING NORMAL OPERATION.
Design the battery enclosure to prevent accumulation and concentration of hydrogen gas in “pockets”
at the top of the enclosure. Vent the battery compartment from the highest point to the outside. A
sloped lid can also be used to direct the ow of hydrogen to the vent opening.
CAUTION
To reduce risk of injury, charge only deep-cycle lead acid, lead antimony, lead calcium, gel cell or
absorbed glass mat type rechargeable batteries. Other types of batteries may burst, causing personal
injury and damage. Never charge a frozen battery.
PERSONAL PRECAUTIONS
• Someone should be within range of your voice to come to your aid if needed.
• Keep plenty of fresh water and soap nearby in case battery acid contacts skin, clothing, or eyes.
• Wear complete eye protection. Avoid touching eyes while working near batteries. Wash your hands
with soap and warm water when done.
• If battery acid contacts skin or clothing, wash immediately with soap and water. If acid enters an
eye, ood the eye with cool running water at once for at least 15 minutes and get medical attention
immediately following.
• Baking soda neutralizes lead acid battery electrolyte. Keep a supply on hand in the area of the
batteries.
• NEVER smoke or allow a spark or ame in vicinity of a battery or generator.
• Be extra cautious to reduce the risk of dropping a metal tool onto batteries. It could short-circuit the
batteries or other electrical parts which can result in re or explosion.
• Remove personal metal items such as rings, bracelets, necklaces, and watches when working with
a battery or other electrical current. A battery can produce a short circuit current high enough to
weld a ring or the like to metal, causing severe burns.
5
SYSTEM PROTECTION
Electrical systems are designed to protect you, the wires, the components, and the devices served by
the system.
Each FX must be part of a permanently grounded
electrical system (see page 9). Grounding protects
people and equipment from electrical shock.
Grounding must be done according to local and
national electrical codes.
OutBack circuit breakers—rated at 100% duty
cycle— protect wiring by limiting the amount
of current entering a system. All wired electrical
systems require circuit breakers or fuses for
protection.
OutBack o ers both breakers and fuses for overcurrent protection. If they are provided by other
vendors, they must be properly rated.
DC WIRING ORIGINATION
DC brass battery terminals with 8M x 1.00 stainless steel threaded studs
Red terminal=battery positive
Black terminal = battery negative
Battery terminal covers
6
AC WIRING ORIGINATION
Lexan cover protects AC Wiring
Compartment Board
AC WIRING COMPARTMENT BOARD
AC Wiring Board
AC HOT OUT
AC NEUTRAL OUT
CHASSIS GROUND/PE
CHASSIS GROUND/PE
AC NEUTRAL IN
AC HOT IN
AUX+
ON/OFF
INVERTER ON/OFF
INVERTER
BATTERY TEMP
MATE/HUB
FULLOKLOW
BATTERY
AUX-
XCT+
XCT-
STATUS
INVERTER
AC IN
ERROR
AC Terminal Block secures AC
connections to the FX using set screws
AC HOT (PHASE) OUT supplies power to the
loads.
AC NEUTRAL OUT acts as neutral leg for loads
supplied by the FX and is common with the AC
NEUTRAL IN.
CHASSIS GROUND connections are common
and act as grounds for both the incoming and
outgoing AC circuits.
AC NEUTRAL IN acts as the neutral leg for AC
power supplied by a generator to the FX and is
common with the AC NEUTRAL OUT.
AC HOT (PHASE) IN connects incoming AC from
the a generator to the FX through an internal AC
transfer relay. This AC is used to run loads and
recharge batteries.
NOTE: 16.0 mm
2
(6 AWG) is the largest wire
size the AC Wiring Compartment Board can
accommodate.
7
LOW VOLTAGE TERMINALS
CHASSIS GROUND/PE
CHASSIS GROUND/PE
Control Terminal
Wiring Block
Jumper
INVERTER ON/OFF
INVERTER ON/OFF:
Allows for manual
switch to control the
FX (default operation
is “ON”); controlled by
the MATE when the
jumper is present.
BATTERY TEMP
AC HOT OUT
AC NEUTRAL OUT
AC NEUTRAL IN
AC HOT IN
AUX+
ON/OFF
INVERTER
MATE/HUB
FULLOKLOW
BATTERY
AUX-
XCT+
XCT-
STATUS
INVERTER
AC IN
ERROR
NOTE: Keep Control
Wiring Terminal Block
screws tight and the
block itself secured tightly
to AC Board. Otherwise,
the FX can malfunction.
The Terminal Block can be
unplugged for easier wire
installation and removal/
reinstallation of the FX.
AUX OUTPUT
(AUX+/AUX-):
at 0.7 amps (8.4 watts)
maximum is available at
these terminals; the AUX’s
default is to drive cooling
fans or the Turbo Fan.
12VDC
XCT+/XCT- are nonoperational terminals (do
not connect).
8
AC AND DC GROUNDING REQUIREMENTS
• Connect only to a grounded, permanent wiring system. Ensure there is only one neutral-ground
connection in the system at any time. Some codes require this connection be made at the main
panel only.
• Some generators have their own neutral ground connection. If a generator is used, its neutral-
ground connection will need to be disengaged for proper system operation.
• For all installations, the negative battery conductor should be bonded to the grounding system at
one (and only one) point in the system.
• OutBack products are not designed for use in a positive grounded system. Please contact OutBack
Technical Support for further information.
The equipment ground on each is marked with this symbol:
Box lug for grounding the FX chassis
9
FX PARTS AND ACCESSORIES
AC CONDUIT PLATE*
• AC conduit connects to the AC
Conduit Plate for installations which
do not utilize an optional ACA.
BATTERY TERMINAL COVERS
• The caps are made of sti plastic with a snap-on
design; remove them carefully using a at-blade
screwdriver inserted into the slots on the sides of
each cover.
• DC conduit may be required for exposed
installations.
• The DCA cover option (see below) allows conduit
connection.
• Always keep the battery terminal covers installed.
DCC (DC COMPARTMENT COVER)
• Covers the DC terminal area and provides
space to mount other components such as a
DC current shunt
• Can be used with or without the DCA)
• This is an optional accessory.
FX-ACA (AC CONDUIT ADAPTER)
• Extends the AC wiring compartment
• Connects to OutBack’s FLEXware enclosures
• Protects and secures exible cable with strain
relief
• Houses the OutBack Surge Protector (FW-SP)
• Knockouts are intended for cables/strain relief
• This is an optional accessory.
TURBO FAN COVER
Included in place of a DCC on sealed FXs
•
DCA (DC CONDUIT ADAPTER)
• Allows the connection of two-inch TSC (Trade
Size Conduit) to the FX
• Connects to OutBack’s FLEXware enclosures
10
13.02” (33.07 CM)
SIDE VIEW
22” (55.99 CM)
8.25” (20.95 CM)
TOP VIEW
Weight is approximately 56 lbs (25.40 kg)
MOUNTING
• The E Series FX Series Inverter/Charger is approved for indoor or enclosed protected mounting only.
• An FX weighs approximately
a sturdy mounting surface capable of supporting its weight. It is easier for two people to install the
FX due to its weight.
• OutBack FXs can be mounted in any position, but they perform better in locations o ering plenty of
air circulation.
56 lbs (25.40 kg)
and must be secured with appropriate fasteners to
• NOTE: If using an OutBack FLEXware Mounting Plate, avoid large air gaps behind the plate which
can result in louder mechanical noise during inverting/charging under heavy loads.
• Due to the variance in other mounting methods, OutBack only endorses the use of FLEXware or
previous versions of its mounting plate for installing the FX and associated system components
using M6 X 20 mm machine screws (stainless steel for FLEXware and self-tapping for older
mounting plates), one per corner. Follow the instruction manual that comes with each mounting
system.
• If mounting the FX on other surfaces such as plywood, wall studs, or masonry, use appropriate
fasteners to support approximately its weight. OutBack cannot be responsible for damage to the FX
if it is attached with inadequate fasteners.
• Install and secure each FX before attaching any wiring.
11
WIRE CONNECTIONS
NOTE: A system’s individual voltage requirements (230 or 3-phase) as well as how each FX is to
function all determine how the FXs are wired. Each FX must be wired to the logical leg or phase of the
system. Each FX must be programmed or “stacked” according to this phase. Please see the International
FX and VFX Series Inverter/Charger Programming Manual before connecting any wires to or from the FX.
AC
Follow these steps to wire the FX to your system:
1. Shut all AC breakers o or remove any fuses before connecting any wiring.
2. Shut o all DC breakers, including the PV breakers.
3. With all power o , run lengths of 6 AWG (16.0 mm
Board AC out terminals and su cient over current protection via an AC circuit breaker whose
ampacity matches or exceeds the maximum AC input current of the FX model used in the system
(see FX product speci cations). The breaker should be installed inside of a metal chassis such as
OutBack’s FLEXware series or an existing panel.
4. With the over current protection connected, run lengths of 6 AWG (13.3 mm
AC Wiring Compartment Board AC IN terminals and the AC input breaker. The breaker should be
installed inside of a metal chassis such as OutBack’s FLEXware series or an existing panel. The AC
input hot conductor must be supplied through an AC branch-rated circuit breaker whose ampacity
matches or exceeds the maximum AC input current of the FX model used in the system (see FX
product speci cations)
2)
wire between the AC Wiring Compartment
2
) wire between the
DC
• Use crimped and sealed copper ring terminal lugs with 5/16” (8 mm) hole or compression-type lug to
connect battery cables to DC terminals. Soldered cable lugs are also acceptable.
• Use recommended cable sizes (see page 36) to reduce losses and ensure high performance of FX (smaller
cables can reduce performance and possibly damage the unit).
• Keep cables together (e.g., using a tie-wrap) as much as possible.
• Ensure cables pass through the same knockout and conduit ttings to allow inductive currents to cancel.
TORQUE REQUIREMENTS
CONNECTION TORQUE IN POUND MEASURES
AC and PV breakers to 22 inch-lbs = 2.5 Nm
DC shunt to 15 foot-lbs = 20.4 Nm
DC battery connections to 10 foot-lbs = 13.6 Nm
FX’s DC Terminals to 10 foot-lbs = 13.6 Nm
FX’s AC Terminals to 30 inch-lbs = 3.38 Nm
12
Table 1 Torque Values for Installation
Battery Wiring Examples
In renewable energy systems, batteries are connected to each other in one of three ways:
• Series (voltage increases, amperage stays the same as a single battery)
• Parallel (voltage stays the same as a single battery, amperage increases)
• Series/Parallel (both voltage and amperage increase)
SERIES
PARALLEL
+ -
12V/200 Amp Hours
12V + 12V + 12V + 12V = 48 V Amp Hours remain at 200
+ -
12V/200 Amp Hours
Voltage remains at 12V 200AH + 200AH + 200AH + 200 AH=800 AH
+ -
12V/200 Amp Hours
+ -
+ -
12V/200 Amp Hours
+ -
12V/200 Amp Hours
+ -
12V/200 Amp Hours
+ -
+ -
12V/200 Amp Hours
+ -
12V/200 Amp Hours
+ -
12V/200 Amp Hours
+ -
+ -
12V/200 Amp Hours
+ -
12V/200 Amp Hours
+ -
SERIES/PARALLEL
Lock Washer
Flat Washer
12V/200 Amp Hours
Two strings of batteries in series are connected in parallel. The voltage increases to 48V and the
amp hours increase to 400
Stud
Nut
12V/200 Amp Hours
Battery Cable Lug
12V/200 Amp Hours
12V/200 Amp Hours
• Never install extra washers between the
terminal mounting surface and the battery
cable lug—the connection must be direct and
secure.
• Always install breakers or fuses within the
positive battery cable.
Insulator
• Torque 2/0, (67.4 mm
2
) 4/0 (107 mm2), or larger
code-approved cables rated 75°C or higher to
60-inch pounds/6.77Nm.
13
6V Battery Wiring Examples
6 VOLT
DC DISCONNECT (FUSE OR CIRCUIT
BREAKER)
-
-
6 VOLT
-
12 VOLT INVERTER/CHARGER
-
-
SERIES/12 VOLT FX
6 VOLT
SERIES STRING 1 CONNECTS TO
INVERTER/CHARGER’S POSITIVE
TERMINAL
-
6 VOLT
SERIES STRING 2
DC DISCONNECT (FUSE OR CIRCUIT
BREAKER)
6 VOLT
SERIES STRING 1
-
6 VOLT
12 VOLT INVERTER/CHARGER
-
SERIES/PARALLEL/12 VOLT FX
14
-
-
-
-
6 VOLT
DC DISCONNECT (FUSE OR CIRCUIT
BREAKER)
-
6 VOLT
6 VOLT
24 VOLT INVERTER/CHARGER
-
6 VOLT
6 VOLT 6 VOLT
-
SERIES/24 VOLT FX
-
6 VOLT 6 VOLT
-
SERIES STRING 1 CONNECTS TO
INVERTER/CHARGER’S POSITIVE
TERMINAL
-
6 VOLT
DC DISCONNECT (FUSE OR CIRCUIT
BREAKER)
SERIES STRING 1
-
6 VOLT
SERIES STRING 2
24 VOLT INVERTER/CHARGER
-
6 VOLT 6 VOLT
SERIES STRING 2 CONNECTS
TO INVERTER/CHARGER’S
NEGATIVE TERMINAL
-
SERIES/PARALLEL/24 VOLT FX
-
15
-
-
-
-
6 VOLT
-
6 VOLT
DC DISCONNECT
(FUSE OR CIRCUIT BREAKER)
6 VOLT
-
6 VOLT
48 VOLT INVERTER/CHARGER
6 VOLT 6 VOLT
-
6VOLT 6 VOLT
-
-
SERIES/48 VOLT FX
16
12V Battery Wiring Examples
12 VOLT
DC DISCONNECT (FUSE OR CIRCUIT
BREAKER)
-
12 VOLT
-
24 VOLT INVERTER/CHARGER
-
SERIES/24 VOLT FX
-
12 VOLT
DC DISCONNECT (FUSE OR
CIRCUIT BREAKER)
-
12 VOLT
12 VOLT INVERTER/CHARGER
-
12 VOLT
-
PARALLEL/12VOLT FX
17
-
-
-
-
12 VOLT
DC DISCONNECT (FUSE OR CIRCUIT
BREAKER)
12 VOLT
12 VOLT
12VOLT 12 VOLT
-
48 VOLT INVERTER/CHARGER
-
12 VOLT
SERIES/48 VOLT FX
-
SERIES STRING 1 CONNECTS TO
INVERTER/CHARGER’S POSITIVE
TERMINAL
-
12 VOLT
SERIES STRING 2
DC DISCONNECT (FUSE OR CIRCUIT
BREAKER)
SERIES/PARALLEL/24 VOLT FX
SERIES STRING 1
-
12 VOLT
-
24 VOLT INVERTER/CHARGER
18
-
-
-
-
12 VOLT
SERIES STRING 1 CONNECTS TO
INVERTER/CHARGER’S POSITIVE
TERMINAL
-
12 VOLT
DC DISCONNECT (FUSE OR CIRCUIT
BREAKER)
12 VOLT
SERIES STRING 1
-
12 VOLT
SERIES STRING 2
48 VOLT INVERTER/CHARGER
12 VOLT 12 VOLT
-
12 VOLT 12 VOLT
SERIES STRING 2 CONNECTS
TO INVERTER/CHARGER’S
NEGATIVE TERMINAL
-
-
SERIES/PARALLEL/48 VOLT FX
19
AC WIRING NOTES
AC HOT (PHASE) OUT
• Supplies the AC hot output conductors
through a 30 amp maximum AC branch
rated circuit breaker using 6 AWG (16.0 mm2)
wire and connect to the AC
AC NEUTRAL OUT/AC NEUTRAL IN
• Connects the AC neutral input conductor to
the AC NEUTRAL IN terminal.
• Connects the AC neutral output conductor
to the AC NEUTRAL OUT terminal.
AC HOT (PHASE) IN
• The AC hot input conductor (brown) must
be supplied through a 30 amp maximum AC
branch rated circuit breaker and connected
to the AC HOT IN.
• 6 AWG (16.0 mm2) wire is required for the
FX’s AC transfer relay.
AC HOT OUT
AC NEUTRAL OUT
CHASSIS GROUND/PE
CHASSIS GROUND/PE
AC NEUTRAL IN
AC HOT IN
AUX+
ON/OFF
INVERTER ON/OFF
INVERTER
BATTERY TEMP
MATE/HUB
FULLOKLOW
BATTERY
AUX-
XCT+
XCT-
STATUS
INVERTER
AC IN
ERROR
20
LOW-VOLTAGE WIRING
This six-position terminal block can be
unplugged to make wiring easier and to
simplify the removal and reinstallation of an FX.
It must be securely and completely plugged
in for proper FX functioning. Otherwise,
operational errors can occur.
AC HOT OUT
AC NEUTRAL OUT
CHASSIS GROUND/PE
CHASSIS GROUND/PE
Control Wiring Terminal Block
AC NEUTRAL IN
AC HOT IN
12 VDC at 0.7 amps (8.4 w) is available at
the AUX+/AUX- terminals
A switch can be wired to the INVERTER
and ON/OFF terminals to manually
control the FX
XCT+/XCT- are not operational
ON/OFF
INVERTER ON/OFF
INVERTER
BATTERY TEMP
MATE/HUB
FULLOKLOW
BATTERY
STATUS
INVERTER
AC IN
ERROR
XCT+
XCT-
AUX+
AUX-
INVERTER and ON/OFF
• Replacing the pre-installed jumper connecting the ON/OFF terminals with a switch allows manual control of
the FX.
• Without an ON/OFF switch, the inverter(s) will always be ON due to a factory-installed, removable jumper.
• Cycling the switch again returns the inverter to the ON mode.
Jumper
INVERTER ON/OFF
Control Wiring Terminal Block,
side view
21
Prior to installing an ON/OFF switch, if the FX’s AC output is o , check that the jumper is
present and well-connected before installing a switch. You want to con rm the system is
in good working order. Suggested switches include push on/push o style.
Should you decide to install an OutBack MATE at a later date, bear in mind the installed
switch overrides the control provided by the MATE if the switch is set to OFF. If the switch
is set to ON, the MATE will function normally and control the inverter(s).
• When a system is ordered with a MATE, the MATE handles all FX ON/OFF functions.
AUXILIARY OUTPUT ( AUX + / AUX - )
The Auxiliary output system uses the AUX + and AUX – terminals. It is programmed through the MATE
to do a variety of tasks:
• The default use for these terminals drives the OutBack FX Turbo Kit or DC12-FAN fan for external
cooling.
NOTE: These terminals should not be connected to any type of DC load greater than .7 amps.
• The FX includes internal electronic over-current protection for the AUX 12 VDC output circuit which
auto resets if it is short-circuited. No additional fuses are required.
• For automatic or advanced generator start functions, the Auxiliary Output can drive a 12V relay for
the two-wire starting circuitry of a generator. OutBack recommends a good quality gold-plated
relay.
NOTE:
(1) The FLEXnet DC comes with an internal relay for this use.
(2) OutBack Power Systems does not support three-wire start generators; however, a three-wire to
two-wire conversion kit is available from an electronic control manufacturer such as Atkinson
Electronics (www.atkinson.com)
(3) Either the MATE or the FLEXnet DC can be programmed for Auto-GenStart (please refer to
component manuals for more information).
XCT + / XCT -
These terminals are not operational at this time.
22
RTS, MATE/HUB WIRING
AC HOT OUT
AC NEUTRAL OUT
CHASSIS GROUND/PE
CHASSIS GROUND/PE
AC NEUTRAL IN
AC HOT IN
XCT+
XCT-
AUX+
AUX-
ON/OFF
INVERTER ON/OFF
INVERTER
BATTERY TEMP
MATE/HUB
STATUS
INVERTER
AC IN
Status Lights
YELLOW
GREEN
RED
FULLOKLOW
BATTERY
Battery Lights
ERROR
RJ-11 modular jack connects the RTS, the
external battery temperature sensor.
RJ-45 jack is used for external communications.
• RJ-11 modular jack connects RTS, the optional
external battery temperature sensor.*
• RJ-45 jack connects MATE or HUB to FX using CAT5
cable.**
*When a HUB is used, plug the RTS into the Master
FX, which should be plugged into HUB’s Port 01.
The RTS cable is folded and routed under the AC
Wiring Compartment’s Lexan cover, tting into a
small indentation in the aluminum casting between
the battery terminals. ONLY USE THE OUTBACK RTS;
OTHER BRANDS YIELD INCORRECT READINGS.
** If the system has multiple FXs and/or OutBack
Charge Controllers, a HUB is required.
LED Color LED Action LED indicates
GREEN GREEN Inverer ON
Flashing GREEN Search mode or
O Inverter OFF
YELLOW Solid YELLOW AC source is con-
Flashing
YELLOW
O No AC input
RED Solid RED Fatal Error,
Flashing RED Warning, a non-
Slave power
nected
AC input live,
waiting to connect to OBX-IC
present
contact OutBack
Power Systems
critical error has
occurred
LED Color 12 VDC 24 VDC
GREEN (FULL) 12.5 or higher 25.0 or higher
YELLOW (OK) 11.5 to 12.5 23.0 to 25.0
RED (LOW) 11.5 or lower 23.0 or lower
WARN(ING) Screens
• acin freq too high: AC source is above 56 Hz (upper limit) and will be dropped if frequency gets much higher
• acin freq too low: AC source is under 44 Hz (lower limit) and will be dropped if frequency gets much lower
• acin voltage too high: AC source’s voltage is over 270 VAC (default limit) and risks loss of FX connection
• acin voltage too low: AC source’s voltage is under 207 VAC (default limit) and risks loss of FX connection
• acin input current exceeds max: AC loads are drawing more current than the rating of the FX allows
• temperature sensor fault: an internal FX temperature sensor is malfunctioning
• internal comm. error detected: there is a communication problem between the MATE and the FX
• internal fan failure detected: the FX’s internal cooling fan is not operating properly
• airtemp: displays a numeric value representing the air temperature around the FX*
• fettemp: displays a numeric value representing the temperature of the FETs (Field E ect Transistors)*
• captemp: displays a numeric value representing the temperature of the ripple capacitors*
*These values are used for troubleshooting purposes. The higher the numerical value, the cooler the temperature.
48 VDC
50.0 or higher
46.0-49.6
46.0 or lower
23
SAMPLE INSTALLATIONS
GROUND TBB
MECHANICAL
INTERLOCK
INVERTER/CHARGER
AC HOT IN AC HOT OUT
HUB/MATE
30 AMP
BYPASS
BREAKER
30 AMP
OUTPUT
BREAKER
AC NEUTRAL OUT
CHASSIS GROUND
DISPLAY
30 AMP
INPUT
BREAKER
BROWN
BROWNBROWN
BROWN
BROWN
BLUE
GREEN
NOTE:
1. All cables are to be
8AWG THHN or larger.
AC SOURCE
AC LOADS
BLUE
BLUE
AC NEUTRAL IN
BLUE
BROWN
BROWN
GREEN
GREEN
SINGLE FX SYSTEM
• All E Series FX AC wiring must handle 30 amps AC or more.
• A 30A input breaker (maximum) must be used.
• A single FX can continuously power two to three KW of loads depending on which model is used.
)
2
10 AWG (6.0 mm
or larger
All cables must be
24
PARALLELED DUAL FX SYSTEM
• All AC wiring from the AC source and to the AC loads must collectively handle 60 amps AC or more.
• All other AC wiring capacity must equal 30 amps AC.
• A paralleled dual FX system can continuously power 4-6kW of loads depending on which model is
used.
NOTE: Program the lowest-installed FX as Master (1-2ph MASTER) and the second FX as an OutBack
L1 Slave (OB SLAVE L1). The Master FX must be plugged into Port 1 of the HUB.
)
2
(16.0 mm
Parallel/Dual System with Two FXs
25
PARALLELED QUAD FX SYSTEM
• All AC wiring from the AC source and to the AC loads must collectively handle 100 amps AC or more.
• All other AC wiring must handle a capacity of 30 amps AC.
• This system can continuously power 8-12kW of loads depending on which model is used.
• Connecting more load than the continuous rating of the FX may cause breakers to trip or the FX to
shut o its AC output.
NOTES: Program the lowest-installed FX as Master (1-2ph MASTER) and the three remaining FXs as
OutBack L1 Slaves (OB SLAVE L1). The Master FX must be plugged into Port 1 of the HUB.
3-PHASE FX SYSTEM
• This system produces 230VAC per phase and 400VAC from phase to phase. There can only be one
FX per phase on a 3-phase system for a maximum of three FXs total.
• The AC wiring from the AC source and to the AC loads must handle 30 amps AC.
• All AC wiring must handle a capacity of 30 amps AC.
• This system can power continuously up to 6-9kW of loads depending on which model is used.
• Connecting more load than the continuous rating of the FX may cause breakers to trip or the FX to
shut o its AC output.
• The jumper in the HUB must be moved for 3-phase con guration (please see the HUB Installation
and User Guide). The Master FX must be plugged into Port 1 of the HUB.
26
Program the bottom FX as Master (3ph MASTER) and the upper two FXs as 3-phase Slaves
NOTE:
(3ph SLAVE). Keep the phases in order: phase one is connected to the FX programmed L1; phase
two is connected to L2; and phase three to L3 (or phases A, B, and C to inverters A, B, and C) as
shown in the diagram on the following page.
)
2
(16.0 mm
Parallel/Quad System with Four FXs
27
)
2
(16.0 mm
28
Three-Phase System
GENERATOR AUTO START
The following schematic shows how to hook up a relay that interfaces with the two-wire start
generator. Three-wire start generators require an adapter like the Atkinson GSCM available at
www.atkinsonelectronics.com.
TWO WIRE START
GENERATOR
HOOK UP
GENERATOR
12V
RELAY
NO
NC
Most 12V relays will work for generator starting.
Select one between 5 and 30 amp contacts. Relays
with gold-plated contacts are recommended.
COM
COIL
INVERTER
ON/OFF
AUX +
AUX -
XCT -
XCT +
29
INSTALLATION CHECK LIST
ITEM YES NO
All manuals read and reviewed?
FX
OutBack Charge Controller
MATE
HUB
System mounted with the recommended number and sized fasteners?
System installed according to local codes?
System inspected?
System permanently grounded?
Did the installer use OutBack recommended wire type and gauge adjusted for
temperature ratings and length?
All AC wiring rated for 75° C or higher?
Battery cables rated 75° C or higher?
6.0 mm2 (10 AWG) wire used for AC Input Hot?
6.0 mm2 (10 AWG)or larger wire used for AC HOT OUT?
FX connected to AC circuit with 30 amp maximum branch-circuit
over-current protection?
All cables torqued to OutBack speci cations?
AC and PV breakers to 22 inch-lbs/2.48 Nm?
All DC connections to 10 foot-lbs/13.6 Nm?
FX AC terminals to 30 inch-lbs/3.38 Nm?
FX battery breaker to 45 inch-lbs/5.07 Nm?
All terminal block screws torqued to 2.5 foot-lbs/3.4 Nm?
30
APPENDIX RATINGS
FX2012ET
Nominal DC Input Voltage Range 12VDC
Nominal AC Voltage / Frequency 230VAC / 50 HZ
Continuous Power Rating at 25C Ambient 2000VA
Continuous AC RMS Output at 25°C 8.7 Amps AC
Idle Power - Full AC Output ≈ 20 Watts DC
Idle Power - Search Mode 6 Watts DC
Typical E ciency 90%
Total Harmonic Distortion - Typical 2%
Output Voltage Regulation ± 2%
Maximum Output Current – Peak (1 mSec) 28 amps AC
Maximum Output Current - RMS (100 mSec) 20 amps AC
AC Overload Capability - Surge 4600VA
AC Overload Capability - 5 Second 4000VA
AC Overload Capability - 30 Minutes 2500VA
AC Input Current Maximum 30 Amps AC
AC Input Voltage Range
AC Input Frequency Range 44.0 to 56.0 Hz
DC Input Range 21.0 to 34.0 VDC
DC Input Current – Rated Power 200 Amps DC
Continuous Battery Charger Output 100 Amps DC
160 to 300VAC
FX2024ET
Nominal DC Input Voltage Range 24VDC
Nominal AC Voltage / Frequency 230VAC / 50 HZ
Continuous Power Rating at 25C Ambient 2000VA
Continuous AC RMS Output at 25°C 8.7 Amps AC
Idle Power - Full AC Output ≈ 20 Watts DC
Idle Power - Search Mode 6 Watts DC
Typical E ciency 90%
Total Harmonic Distortion - Typical 2%
Output Voltage Regulation ± 2%
Maximum Output Current – Peak (1 mSec) 35 amps AC
Maximum Output Current - RMS (100 mSec) 25 amps AC
AC Overload Capability - Surge 5750VA
AC Overload Capability - 5 Second 4000VA
AC Overload Capability - 30 Minutes 3200VA
AC Input Current Maximum 30 Amps AC
AC Input Voltage Range
AC Input Frequency Range 44.0 to 56.0 Hz
DC Input Range 21.0 to 34.0 VDC
DC Input Current – Rated Power 100 Amps DC
Continuous Battery Charger Output 55 Amps DC
160 to 300VAC
31
FX2348ET
Nominal DC Input Voltage Range 48VDC
Nominal AC Voltage / Frequency 230VAC / 50 HZ
Continuous Power Rating at 25C Ambient 2300VA
Continuous AC RMS Output at 25°C 10.0 Amps AC
Idle Power - Full AC Output ≈ 23 Watts DC
Idle Power - Search Mode 6 Watts DC
Typical E ciency 93.4%
Total Harmonic Distortion - Typical 2%
Output Voltage Regulation ± 2%
Maximum Output Current – Peak (1 mSec) 35 amps AC
Maximum Output Current - RMS (100 mSec) 25 amps AC
AC Overload Capability - Surge 5750VA
AC Overload Capability - 5 Second 4800VA
AC Overload Capability - 30 Minutes 3100VA
AC Input Current Maximum 30 Amps AC
AC Input Voltage Range
AC Input Frequency Range 44.0 to 56.0 Hz
DC Input Range 42.0-68.0 VDC
DC Input Current – Rated Power 57.5 Amps DC
Continuous Battery Charger Output 30 Amps DC
160 to 300VAC
VFX2612E
Nominal DC Input Voltage Range 12VDC
Nominal AC Voltage / Frequency 230VAC / 50 HZ
Continuous Power Rating at 25C Ambient 2600VA
Continuous AC RMS Output at 25°C 11.3 Amps AC
Idle Power - Full AC Output ≈ 20 Watts DC
Idle Power - Search Mode 6 Watts DC
Typical E ciency 90%
Total Harmonic Distortion - Typical 2%
Output Voltage Regulation ± 2%
Maximum Output Current – Peak (1 mSec) 28 amps AC
Maximum Output Current - RMS (100 mSec) 20 amps AC
AC Overload Capability - Surge 4600VA
AC Overload Capability - 5 Second 4000VA
AC Overload Capability - 30 Minutes 3100VA
AC Input Current Maximum 30 Amps AC
AC Input Voltage Range
AC Input Frequency Range 44.0 to 56.0 Hz
DC Input Range 10.5-17.0 VDC
DC Input Current – Rated Power 260 Amps DC
Continuous Battery Charger Output 120 Amps DC
160 to 300VAC
32
VFX3024E
Nominal DC Input Voltage Range 24VDC
Nominal AC Voltage / Frequency 230VAC / 50 HZ
Continuous Power Rating at 25C Ambient 3000VA
Continuous AC RMS Output at 25°C 20 Amps AC
Idle Power - Full AC Output ≈ 20 Watts DC
Idle Power - Search Mode 6 Watts DC
Typical E ciency 90%
Total Harmonic Distortion - Typical 2%
Output Voltage Regulation ± 2%
Maximum Output Current – Peak (1 mSec) 35 amps AC
Maximum Output Current - RMS (100 mSec) 25 amps AC
AC Overload Capability - Surge 5750VA
AC Overload Capability - 5 Second 4800VA
AC Overload Capability - 30 Minutes 3300VA
AC Input Current Maximum 30 Amps AC
AC Input Voltage Range
AC Input Frequency Range 44.0 to 56.0 Hz
DC Input Range 21.0-34.0 VDC
DC Input Current – Rated Power 150 Amps DC
Continuous Battery Charger Output 85 Amps DC
160 to 300VAC
VFX3048E
Nominal DC Input Voltage Range 48VDC
Nominal AC Voltage / Frequency 230VAC / 50 HZ
Continuous Power Rating at 25C Ambient 3000VA
Continuous AC RMS Output at 25°C 13 Amps AC
Idle Power - Full AC Output ≈ 23 Watts DC
Idle Power - Search Mode 6 Watts DC
Typical E ciency 93%
Total Harmonic Distortion - Typical 2%
Output Voltage Regulation ± 2%
Maximum Output Current – Peak (1 mSec) 35 amps AC
Maximum Output Current - RMS (100 mSec) 25 amps AC
AC Overload Capability - Surge 5750VA
AC Overload Capability - 5 Second 4800VA
AC Overload Capability - 30 Minutes 3300VA
AC Input Current Maximum 30 Amps AC
AC Input Voltage Range
AC Input Frequency Range 44-56 Hz
DC Input Range 42.0 to 68.0 VDC
DC Input Current – Rated Power 75Amps DC
Continuous Battery Charger Output 45 Amps DC
160 to 300VAC
33
RATINGS DETAILED
NOMINAL AC OUTPUT VOLTAGE OF AN FX SYSTEM
Single Phase 230VAC at 50 Hz
Parallel Stacked 230VAC at 50 Hz on one AC output leg
Three Phase Stacked 230VAC at 50 Hz per AC output leg (limit three) / 400VAC at 50 Hz between AC output legs
RECOMMENDED FX DC VOLTAGE RANGE
NOTE: The last two digits in the model number designate the nominal DC voltage.
Example: FX2024ET = 24V DC Voltage.
12V Systems 11 – 16VDC (VDC = volts DC)
24V Systems 22 – 32VDC
32V Systems 29 – 43VDC
48V Systems 44 – 64VDC
MAXIMUM DC LOAD CURRENT
NOTE: This is the maximum DC current the FX will draw from the battery when starting very large AC loads.
It is not used for sizing the DC disconnect or selecting DC cable gauge. It is used to select the minimum
reasonable battery capacity.
12V FXs 600ADC per FX (ADC = amps DC)
24V FXs 300ADC per FX
32V FXs 225ADC per FX
48V FXs 150ADC per FX
34
RATED DC CHARGING CURRENT
NOTE: This is the maximum continuous DC current that the FX can send to the batteries when charging.
FX2012ET 100ADC (ADC = Amps DC)
FX2024ET 55ADC
FX2348ET 35ADC
VFX2612E 120ADC
VFX3024E 85ADC
VFX3048E 42ADC
AC INPUT OPERATING VOLTAGE RANGE
NOTE: This is the recommended AC input voltage range to be supplied to the FX. Voltages outside of
this range may damage AC loads connected to the FXs AC output terminals.
All E Series FX Series Inverter/Chargers 160-300VAC (VAC = volts AC)
MAXIMUM AC INPUT CURRENT
An AC input source connected to the FX supplies power for two separate internal AC circuits – the AC
transfer relay and the battery charging system. The AC transfer relay transfers the AC input power to
the AC loads. The FX’s battery charger will “back o ” if the total AC loads—including the charger—
exceed the AC input current limit (default setting is 28 AAC). This “Input Limit” can be adjusted using
the MATE to avoid overloading a generator or trip a circuit breaker. If your generator cannot produce
28 AAC or you are connecting to an AC input source that has a breaker that is rated for less than 30
AAC, please refer to the FX and VFX Series Inverter/Charger Programming Manual to change this
setting.
All E Series 230 VAC FXs 30AAC per FX (AAC = Amps AC)
MAXIMUM CURRENT FOR BATTERY CHARGER
Due to heat restraints, the FX limits incoming AC current to recharge the battery. Please refer to the FX
and VFX Series Inverter/Charger Programming Manual to adjust this setting. The battery charger has
an e ciency of 90%. Other factors, such as cable losses, might reduce this e ciency.
35
MAXIMUM AND DEFAULT AC INPUT AND DC CHARGER (bulk stage) OUTPUT VALUES
FX2012ET AC Max = 6AAC (Default = 5 AAC) DC Max = 100ADC
FX2024ET AC Max = 7AAC (Default = 5 AAC) DC Max = 55ADC
FX2348ET AC Max = 7AAC (Default = 5 AAC) DC Max = 35ADC
VFX2612E AC Max = 7AAC (Default = 6 AAC) DC Max = 120ADC
VFX3024E AC Max = 10AAC (Default = 9 AAC) DC Max = 85ADC
VFX3048E AC Max = 10AAC (Default = 9 AAC) DC Max = 45ADC
AC INPUT FREQUENCY RANGE
NOTE:
If the AC input source is out of the range noted below, the FX will not connect or stay connected.
All E Series FX Models 44-56 Hz
MAXIMUM AC OUTPUT CURRENT
This is the amount of surge current that the FX will quickly supply for a split second. Depending on the
size of the surge, the FX can be overloaded for a minimum time of 5 seconds to a maximum time of 30
minutes.
All 12 VDC FXs 28AAC per FX for 1 millisecond
All Other FXs 35AAC per FX for 1 millisecond/25AAC per FX for 100 milliseconds
MAXIMUM CONTINUOUS OUTPUT POWER
An FX Series Inverter/Charger’s model number indicates its maximum continuous output power by
changing the last two digits to zeros. For instance, an FX2012ET has a maximum continuous output
power of 2000VA (volt-amps).
FX2012ET 2000VA (VA = volt-Amps)
FX2024ET 2000VA
FX2348ET 2300VA
FX2612E 2600VA
VFX3024E 3000 VA
VFX3048E 3000VA
36
MAXIMUM OVERCURRENT PROTECTION AMPACITY
This rating speci es the proper overcurrent protection ampacity.
• OBDC breakers are panel-mount circuit breakers.
• Class T DC fuses are terminal-mounted and should always be used in conjuncture with a disconnect mechanism.
• FXs used in home installations should use properly sized DC circuit breakers.
• A DC breaker includes both overcurrent protection and disconnect capability.
• OutBack Power Systems recommends Class T fuses for marine installations where a DC disconnect is not required.
MODEL AMPACITY DC BREAKER DC FUSE
FX2012ET 200 amps OBB-250-125VDC-PNL 400
FX2024ET 125 amps OBB-175-125VDC-PNL 200
FX2348ET 57.5 amps OBB-125-125VDC-PNL 200
VFX2612E 260 amps OBB-250-125VDC-PNL 400
VFX3024E 150 amps OBB-250-125VDC-PNL 200
VFX3048E 75 amps OBB-125-125VDC-PNL 200
WIRE SIZES
The following chart contains information on wire sizes, the DC resistance of the wires and the
corresponding diameters and areas of these wires. This information can be used to calculate the
voltage drop of the wires or to nd an equivalent wire size.
SIZE DC CROSS-SECTIONAL AREA APPROXIMATE DIAMETER
(AWG)
(1000 feet)
INCHES MILLIMETERS INCHES MILLIMETERS
14 3.14 .0032 2.08 .0641 1.63
12 1.98 .0051 3.31 .0808 2.05
10 1.24 .0082 5.26 .1019 2.59
8 0.78 .0130 8.37 .1285 3.26
6 0.50 .0206 13.30 .162 4.11
4 0.31 .0328 21.15 .2043 5.19
2 0.19 .0521 33.62 .2576 6.54
1 0.15 .0657 42.41 .2893 7.35
1/0 0.12 .0829 53.50 .325 8.25
2/0 0.10 .1045 67.43 .365 9.27
3/0 0.08 .1318 85.01 .410 10.4
4/0 0.06 .1662 107.20 .460 11.7
Resistance in Ohms
37
Recommended Wire Sizes
FX Model Max DC
Amps
FX2012ET
FX2024ET
VFX3024E
FX2348ET
VFX2612E
VFX3048E
200 250 0.24 0.001200 4/0 250 20’
125 156.25 0.48 0.003840 2/0 175 30’
150 187.5 0.48 0.003200 4/0 30’
57.5 71.875 0.96 0.016696 1/0 30’
260 325 0.24 0.000923 4/0 15’
75 93.75 0.96 0.012800 1/0 30’
NEC Max
Amps x
1.25*
2% Voltage
Drop
Ohms
Allowed
* This is an example of ampacity derating;
follow derating requirements for your local and national electrical codes.
** Divide lengths in half for one-way runs.
OutBack
Suggested
Cables
Max Battery Cable
Length**
(Positive +
Negative)
MAINTENANCE
If damaged or malfunctioning, the FX should be repaired by a quali ed user, installer, or service center
following OutBack Power Systems’ instructions and guidelines. Please contact your energy dealer for
assistance. Incorrect repairs and/or reassembly risks malfunction, electric shock or re.
For routine, user-approved maintenance:
• Disconnect all circuit breakers and related electrical connections before doing any cleaning or
adjustments.
• Solar modules may produce hazardous voltages when exposed to light; cover them with opaque
material before servicing any connected equipment or service at night.
• If a remote or automatic generator start system is used, disable the automatic starting circuit and/or
disconnect the generator from its starting battery while servicing. This will prevent accidental it to
starting or operation.
38
FX DEFAULT VALUES (SUBJECT TO CHANGE WITH FX UPGRADES)
12 VDC System DEFAULT MINIMUM MAXIMUM
Float Voltage 13.6V 12V 15V
Absorb Voltage 14.4V 13V 16V
EQ Voltage 14.4V 14V 17V
ReFloat 12.5V 11V 13V
LBCO 10.5V 9V 12V
LBCI 12.5V 10V 14V
Sell RE 13V 10V 15V
Gen Alert
O Set Point 14V 12V 18V
On Set Point 11V 10V 14V
Load Shed O Set Point 11V 10V 14V
Vent Fan ON Set Point 13V 10V 16V
Diversion ON Set Point 14.6V 12V 16V
Absorb Time 1.0 hours 0.0 hours 24.0 hours
EQ Time 1.0 hours 0.0 hours 24.0 hours
Float Time 1.0 hours 0.0 hours 24.0 hours
AC2/Gen Transfer Delay
(Cycles for AC)
Search 6 0 50
Grid Lower Limit 207V 80V 220V
Grid Upper Limit 270V 250V 300V
Grid Connect Delay .5 min .2 min 15.0 min
DROP or USE USE N/A N/A
Charger OFF/AUTO/ON AUTO
AUX Output Option COOL FAN
Gen Alert ON Delay 4 min 0 min 240 min
Gen Alert OFF Delay 9 min 0 min 240 min
Vent Fan OFF Delay 5 min 0 min 30 min
Gen Window Lower Limit 208V 80V 220V
Gen Upper Window Limit 270V 250V 300V
AC1/Grid Transfer Delay
(Cycles of AC)
Set AUX Control AUTO
Search Pulses 8 2 20
Search Pulse Spacing
(Cycles AC)
60 cycles*
(*20 for Grid-Tie)
6 0 240
60 4 120
0 cycles 240 cycles
Stacking Phase 1 or 2 phase
InPut Select Master Gen
Charge Rates
Vented 24 & 48 VDC 9 AAC 0 AAC 10 AAC
Vented 12 VDC 6 AAC 0 AAC 7 AAC
Sealed 24 & 48 VDC 5 AAC 0 AAC 7 AAC
Sealed 12 VDC 5 AAC 0 AAC 6 AAC
Grid Input Settings
Set AC Input Size 28 Amp 5 Amp 30 Amp
Gen Input Settings 28 2 30
Set VAC 230V 210V 240V
Correction Factor •24VDC: Multiply 12VDC values by 2 •32VDC: Multiply 12VDC values by 2.64 •48VDC: Multiply 12VDC values by 4
39
TWO YEAR LIMITED WARRANTY INFORMATION
FX Series Inverter/Charger Products
OutBack Power Systems, Inc. (“OutBack”) provides a two year (2) limited warranty (“Warranty”) against defects
in materials and workmanship for its FX/VFX Series Inverter/Charger products (“Product(s)”) if installed in xed
location applications.
The term of this Warranty begins on the Product(s) date of manufacture or the initial purchase date as indicated
on the warranty registration card submitted to OutBack, whichever is greater. This Warranty applies to the
original OutBack Product(s) purchaser, and is transferable only if the Product(s) remains installed in the original
use location. The warranty does not apply to any Product(s) or Product(s) part that has been modi ed or
damaged by the following:
• Installation or Removal;
• Alteration or Disassembly;
• Normal Wear and Tear;
• Accident or Abuse;
• Corrosion;
• Lightning;
• Repair or service provided by an unauthorized repair facility;
• Operation contrary to manufacturer product instructions;
• Fire, Floods or Acts of God;
• Shipping or Transportation;
• Incidental or consequential damage caused by other components of the power system;
• Any product whose serial number has been altered, defaced or removed; or
• Any other event not foreseeable by OutBack.
40
OutBack’s liability for any defective Product(s), or any Product(s) part, shall be limited to the repair or replacement
of the Product(s), at OutBack’s discretion. OutBack does not warrant or guarantee workmanship performed
by any person or rm installing its Product(s). This Warranty does not cover the costs of installation, removal,
shipping (except as described below), or reinstallation of Product(s).
Revision.2008-04-01
To request warranty service, you must contact OutBack Technical Services at (360) 435-6030 or support@
outbackpower.com within the e ective warranty period. OutBack Technical Support will attempt to troubleshoot
the product and validate that the failure is product related. If warranty service is required, OutBack will issue
a Return Material Authorization (RMA) number. A request for an RMA number requires all of the following
information:
1. Proof-of-purchase in the form of a copy of the original Product(s) purchase invoice or receipt con rming the
Product(s) model number and serial number;
2. Description of the problem; and
3. Shipping address for the repaired or replacement equipment.
After receiving the RMA number, pack the Product(s) authorized for return, along with a copy of the original
purchase invoice, in the original Product(s) shipping container(s) or packaging providing equivalent protection
and mark the outside clearly with the RMA number. The sender must prepay all shipping charges to the agreed
upon OutBack Power Systems location, and insure the shipment, or accept the risk of loss or damage during
shipment. OutBack is not responsible for shipping damage caused by improperly packaged Products, the repairs
this damage might require, or the costs of these repairs. If, upon receipt of the Product(s), OutBack determines
the Product(s) is defective and that the defect is covered under the terms of this Warranty, OutBack will then
and only then ship a repaired or replacement Product(s) to the purchaser freight prepaid, non-expedited, using a
carrier of OutBack’s choice, where applicable.
The warranty period of any repaired or replacement Product is twelve (12) months from the date of shipment
from OutBack, or the remainder of the initial warranty term, which ever is greater.
THIS LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY APPLICABLE TO OUTBACK PRODUCTS. OUTBACK
EXPRESSLY DISCLAIMS ANY OTHER EXPRESS OR IMPLIED WARRANTIES OF ITS PRODUCTS, INCLUDING BUT
NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
OUTBACK ALSO EXPRESSLY LIMITS ITS LIABILITY IN THE EVENT OF A PRODUCT DEFECT TO REPAIR OR
REPLACEMENT IN ACCORDANCE WITH THE TERMS OF THIS LIMITED WARRANTY AND EXCLUDES ALL LIABILITY
FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION ANY LIABILITY FOR
PRODUCTS NOT BEING AVAILABLE FOR USE OR LOST REVENUES OR PROFITS, EVEN IF IT IS MADE AWARE OF SUCH
POTENTIAL DAMAGES. SOME STATES (OR JURISDICTIONS) MAY NOT ALLOW THE EXCLUSION OR LIMITATION OF
WARRANTIES OR DAMAGES, SO THE ABOVE EXCLUSIONS OR LIMITATIONS MAY NOT APPLY TO YOU.
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and return it to:
Outback Power Systems Inc.
19009 62nd Ave. NE
Arlington, WA 98223
Limited Warranty Registration
Complete this form to request a Limited Warranty,
NOTE: Please submit a copy (not the original) of the Product purchase invoice, which con rms the date
and location of purchase, the price paid, and the Product Model and Serial Number.
Two Year Limited FX Inverter/Charger Warranty Registration
System Owner
Name: _______________________________ Country: ______________________________
Address: ______________________________ Telephone Number: ______________________
City, State, Zip Code: ____________________ E-mail: ________________________________
Product
Product(s) Model Number(s): ______________ Sold by: _______________________________
Product(s) Serial Number(s):_______________ Purchase Date:
Please circle the three most important factors a ecting your purchase decision:
• Price • Product Reputation • Product Features
• Reputation of OutBack Power Systems • Value
System
System Install/Commission Date: __________ Total Nominal System AC Output in KW:______
Nominal System AC Voltage: ______________ System Battery Bank Size (Amp Hours):_______
Type of Batteries: _______________________
Are you using a generator with this system? (Circle One): Yes No
If yes, please list the make and model: __________
If yes, is the generator’s output is (Circle One): AC DC
Installer
Name (If Applicable): ____________________ Address: ______________________________
City, State, Zip: _________________________ E-mail: ________________________________
Contractor Number:_____________________
*Extended Warranty
OutBack Power Systems o ers an optional three (3) year extension to the standard two (2) year Limited Warranty for the
FX/VFX Series Inverter/Charger product. To request a 3-year Limited Warranty extension for a total e ective warranty
coverage period of ve (5) years; include a check or money order in the amount of $300USD payable to OutBack Power
Systems, Inc. along with your Warranty Registration.
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Corporate Headquarters
19009 62nd Avenue NE
Arlington, WA 98223 USA
Phone: (+1) 360.435.6030
European Sales O ce
C/ Castelló, 17
08830 - Sant Boi de Llobregat
BARCELONA, España
Phone: +34.93.654.9568
www.outbackpower.com
900-0010-01-00 REV A
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