Xantrex Technology 815-2524-02, 815-3524 User Manual
TM
FREEDOM SW 3524
FREEDOM SW 3524
FREEDOM SW
3524
FREEDOM SW 3524
CLEAR FAULT
RESET
INVERTER
ENABLE
INVERTER
ENABLED
AC IN FAULT
GEN
SUPPORT
CHARGINGWARNING
CLEAR FAULT
RESET
INVERTER
ENABLE
INVERTER
ENABLED
AC IN
FAULT
GEN
SUPPORT
CHARGING
WARNING
Freedom SW 3524-230 shown.
™
TM
Installation Guide
Freedom SW 230V
Sine Wave Inverter/Chargers
Model Numbers
815-3524-02
815-2524-02
This guide for use by qualified installers only.
Copyright © 2013-2014 Schneider Electric. All Rights Reserved. All trademarks are
owned by Schneider Electric Industries SAS or its affiliated companies.
Exclusion for Documentation
UNLESS SPECIFICALLY AGREED TO IN WRITING, SELLER
(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 LOSSES, DAMAGES, COSTS OR EXPENSES,
(
WHETHER SPECIAL, 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; AND
(C) REMINDS YOU THAT IF THIS MANUAL IS IN ANY LANGUAGE OTHER THAN ENGLISH,
ALTHOUGH STEPS HAVE BEEN TAKEN TO MAINTAIN THE ACCURACY OF THE TRANSLATION, THE
ACCURACY CANNOT BE GUARANTEED. APPROVED CONTENT IS CONTAINED WITH THE ENGLISH
LANGUAGE VERSION WHICH IS POSTED AT WWW.XANTREX.COM.
Information About Your System
As soon as you open your product, record the following information and be sure to
keep your proof of purchase.
Serial Number
Product Number
Purchased From
Purchase Date
_________________________________
_________________________________
_________________________________
_________________________________
Document Part Number
975-0697-01-01
T o view, download, or print the latest revision, visit the website shown under Contact
Information.
Date and Revision
June 2014 Rev B
Product Numbers
815-3524-02 (Freedom SW 3524-230)
815-2524-02 (Freedom SW 2524-230)
Contact Information
Telephone: +1 800 670 0707
Web: www.xantrex.com
+1 408 987 6030
975-0697-01-01 i
This guide for use by qualified personnel only.
About This Guide
Purpose
The purpose of this Installation Guide is to provide explanations and
procedures for installing the Freedom SW 230V Inverter/Charger.
Scope
The Guide provides safety and installation guidelines as well as information
on tools and wiring. It does not provide details abou t particular brands of
batteries. You need to consult individual battery manufacturers for this
information.
Audience
The information in this Guide is intended for qualified personnel. Qualified
personnel have training, knowledge, and experience in:
• Installing electrical equipment and PV power systems (up to 1000
volts).
• Applying all applicable installation codes.
• Analyzing and reducing the hazards involved in performing electrical
work.
• Selecting and using Personal Protective Equipment (PPE).
Conventions Used
The following conventions are used in this guide.
DANGER indicates an imminently hazardous situation, which, if not
avoided, will result in death or serious injury.
WARNING indicates a potentially hazardous situation, which, if not
avoided, can result in death or serious injury.
CAUTION indicates a potentially hazardous situation, which, if not
avoided, can result in moderate or minor injury.
NOTICE indicates a potentially hazardous situation, which, if not
avoided, can result in equipment damage.
IMPORTANT:
to know, however, they are not as serious as a caution or warning.
These notes describe things which are important for you
Related Information
You can find more information about Xantrex-branded products and
services at www.xantrex.com.
ii Freedom SW 230V Installation Guide
Important Safety Instructions
Failure to follow these instructions will result in death or serious
injury.
Failure to follow these instructions will result in death or serious
injury.
IMPORTANT: READ AND SAVE THIS INSTALLATION
GUIDE FOR FUTURE REFERENCE.
This chapter contains important safety and installation instructions for the
Freedom SW 230V Inverter/Charger (Freedom SW 230V). Each time,
before using the Freedom SW 230V, READ ALL instructions and
cautionary markings on or provided with the inverter/charger, the batteries,
and all appropriate sections of this guide.
NOTE: The Freedom SW 230V contains no user-serviceable parts.
ELECTRICAL SHOCK AND FIRE HAZARD
Installation must be done by qualified personnel to ensure compliance
with all applicable installation and electrical codes and regulations.
Instructions for installing the Freedom SW 230V Inverter/Charger are
provided here for use by qualified personnel only.
ELECTRICAL SHOCK HAZARD
• Do not expose the Freedom SW 230V to rain, snow, spray , or bilge
water. This in verter/charger is designed for marine applications only
when additional drip protection is installed in certain orientations.
See “Mounting Orientations” on page 21.
• Do not operate the inverter/charger if it has received a sharp blow,
been dropped, has cracks or openings in the enclosure including if the
AC terminal cover has been lost, damaged, or will not close, or
otherwise damaged in any other way.
• Do not disassemble the inverter/charger. Internal capacitors remai n
charged after all power is disconnected.
• Disconnect both AC and DC power from the inverter/charger before
attempting any maintenance or cleaning or working on any circuits
connected to the inverter/charger . The INVERTER ENABLE button
on the front panel does not function like a power switch that ener gizes
or de-energizes the unit. When AC and DC power sources are
connected and present, the unit is always energized.
• Do not operate the inverter/charger with damaged or substandard
wiring. Make sure that all wiring is in good condition and is not
undersized.
975-0697-01-01 iii
FIRE AND BURN HAZARD
Failure to follow these instructions will result in death or serious
injury.
Failure to follow these instructions will result in death or serious
injury.
Failure to follow these instructions can result in minor or moderate
injury.
• Do not cover or obstruct the air intake vent openings and/or install in
a zero-clearance compartment.
• Do not use transformerless battery chargers in conjunction with the
inverter/charger due to overheating.
EXPLOSION HAZARD
• Charge only properly rated (such as two 12 V in series for a 24 V
battery bank) lead-acid (GEL, AGM, Flooded, or lead-calcium)
rechargeable batteries because other battery types may explode.
• Do not work in the vicinity of lead-acid batteries. Batteries generate
explosive gases during normal operation. See note #1.
• Do not install and/or operate in compartments containing flammable
materials or in locations that require ignition-protected equipment.
See notes #2 and #3.
NOTES:
1. Follow these instructions and those published by the battery
manufacturer and the manufacturer of any equipment you intend to use
in the vicinity of the battery. Re view cautionary markings on these
products and on the engine.
2. This inverter/charger contains components which tend to produce arcs
or sparks.
3. Locations include any space containing gasoline-powered machinery,
fuel tanks, as well as joints, fittings, or other connections between
components of the fuel system.
4. Freedom SW 230V inverter/charger products are designed for deep
cycle lead-acid batteries only. Charging lithium-ion batteries are
currently not supported and doing so is an explosion hazard.
Lithium-ion battery cells are individually monitored for voltage and
temperature. The Freedom SW 230V does not support this individual
cell monitoring on lithium-ion batteries.
PHYSICAL INJURY HAZARD
This Freedom SW 230V Inverter/Charger is not intended for use by
persons (including children) with reduced physical, sensory, or mental
capabilities or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a
person responsible for their safety. Children should be supervised to
ensure that they do not play with the appliance.
iv Freedom SW 230V Installation Guide
Precautions When Working With Batteries
Failure to follow these instructions can result in death or serious
injury.
IMPORTANT:
personnel knowledgeable about batteries to ensure compliance with battery
handling and maintenance safety precautions.
BURN FROM HIGH SHORT-CIRCUIT CURRENT, FIRE
AND EXPLOSION FROM VENTED GASES HAZARDS
• Always wear proper, non-absorbent gloves, complete eye protection,
and clothing protection. Avoid touching your eyes and wiping your
forehead while working near batteries. See note #4.
• Remove all personal metal items, like rings, bracelets, and watches
when working with batteries. See notes #5 and #6 below.
• Never smoke or allow a spark or flame near the engine or batteries.
• Never charge a frozen battery.
NOTES:
1. Mount and place the Freedom SW 230V Inverter/Charger unit away
from batteries in a well ventilated compartment.
2. Always have someone within range of your voice or close enough to
come to your aid when you work near a lead-acid battery.
3. Always have plenty of fresh water and soap nearby in case battery acid
contacts skin, clothing, or eyes.
Battery work and maintenance must be done by qualified
4. If battery acid contacts skin or clothing, wash immediately with soap
and water. If acid enters your eye, immediately flood it with running
cold water for at least twenty minutes and get medical attention
immediately.
5. Use extra caution to reduce the risk or dropping a metal tool on the
battery. It could spark or short circ uit the battery or other electrical
parts and could cause an explosion.
6. Batteries can produce a short circuit current high enough to weld a ring
or metal bracelet or the like to the battery terminal, causing a severe
burn.
7. When removing a battery, always remove the negative termina l from
the battery first for systems with grounded negative. If it is grounded
positive, remove the positive terminal first. Make sure all loads
connected to the battery and all accessories are off so you don’t cause
an arc.
This guide for use by qualified personnel only.
975-0697-01-01 v
Precautions When Preparing to Charge
Failure to follow these instructions can result in death or serious
injury.
Failure to follow these instructions can damage the unit and/or
damage other equipment.
Precautions When Placing the Inverter/Charger
EXPOSURE TO CHEMICALS AND GASES HAZARD
• Make sure the area around the battery is well ventilated.
• Make sure the voltage of the batteries matches the output voltage of
the inverter/charger.
• Be careful to keep corrosion from coming into contact with your eyes
and skin when cleaning battery terminals.
NOTES:
• Study and follow all of the battery manufacturer's specific precautions,
such as removing or not removing cell caps while charging, whether
equalization is acceptable for your battery, and recommended rates of
charge.
• For flooded non-sealed batteries, add distilled water in each cell until
battery acid reaches the level specified by the battery manufacturer.
This helps to purge excessive gas from cells. Do not overfill. For a
battery without removable cell caps, carefully follow manufacturer's
instructions.
RISK OF DAMAGE TO THE INVERTER/CHARGER
• Never allow battery acid to drip on the inverter/charger when reading
gravity, or filling battery.
• Never place the Freedom SW 230V Inverter/Charger unit directly
above batteries; gases from a battery will corrode and damage the
inverter/charger.
• Do not place a battery on top of the inverter/charger.
vi Freedom SW 230V Installation Guide
Regulatory
Failure to follow these instructions can result in death or serious
injury.
The Freedom SW 230V Inverter/Charger is certified to appropriate
European (CE) and Australian (RCM) standards. For more information see
“Regulatory Approvals” on page 62.
The Freedom SW 230V Inverter/Charger is intended to be used for mobile
or commercial applications. This inverter/charger is designed for marine
applications only when additional drip protection is installed in certain
orientations. Refer to this guide for installation instructions.
It is not intended for other applications as it may not comply with the
additional safety code requirements needed for those other applications. See
“Limitations On Use” below.
LIMITATIONS ON USE
Do not use in connection with life support systems or other medical
equipment or devices.
This guide for use by qualified personnel only.
975-0697-01-01 vii
Contents
Important Safety Instructions
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Materials List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Installation Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Before You Begin the Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Installation Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
About the Xanbus System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Xanbus System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Xanbus-enabled Products and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Planning the Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Two Key Performance Factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Size and Length of DC Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Mounting Location of the Freedom SW 230V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Planning Preparations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
AC, DC, and Network Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
AC Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
AC Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
AC Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
AC Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
AC Disconnect and Over-Current Protection Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Distribution Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
AC Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
This guide for use by qualified installers only.
DC Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
DC Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
DC Disconnects and Over-Current Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
DC Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Unpacking and Inspecting the Freedom SW 230V Inverter/Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Installation Tools and Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Installing the Inverter/Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Step 1: Choosing a Location for the Inverter/Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Step 2: Mounting the Inverter/Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Step 3: Connecting the AC Input and AC Output Wires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
General AC Wiring Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Connecting AC Input Wires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Connecting the AC Output Wires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Step 4: Connecting the DC Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
DC Connection Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Recommended Cable Sizes and Lengths and Fuse Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Preparing the Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Guidelines for Routing the DC Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Connecting the DC Cables to the Inverter/Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
DC Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Step 5: Connecting the Battery Temperature Sensor (BTS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Mounting Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Mounting to the Negative Battery Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Mounting to the Side of the Battery Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Step 6: Connecting to the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Step 7: Performing Checks Prior to Initial Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Step 8: Testing Your Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Testing in Invert Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Testing in Charge Mode and AC Bypass Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Installation Complete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Stacking Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Parallel Stacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
DC Connections for Stacked Inverters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Neutral Wiring for Stacked Inverters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Configuring System for Stacked Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Search Mode Operation in Parallel Stacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Disabling Search Mode on the Master Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Setting Search Mode on the Slave Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Wiring Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Charger Settings in a Dual Freedom SW Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Inverter/Charger Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Battery Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Battery Bank Sizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
This guide for use by qualified installers only.
Estimating Battery Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Calculating Battery Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Battery Banks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Battery Bank Sizing Worksheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Restrictions on Motor Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Battery Cabling and Hook-up Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Battery Series Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Battery Series-Parallel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Inverter Drip Shield Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Introduction
The Installation Guide provides detailed information for installing
the Freedom SW 230V Inverter/Charger and the battery temperature
sensor, wiring the inverter/charger to the AC and DC circuits, and
connecting the inverter/charger to the Xanbus system.
The Freedom SW 230V is a Xanbus-enabled device that typically
powers the Xanbus system.
This Installation Guide provides:
• safety instructions that must be observed during installation
• a typical Xanbus system diagram (if applicable)
• information on additional required AC and DC components
• a list of installation tools and materials
• detailed procedures for a typical installation
This guide for use by qualified personnel only.
975-0697-01-01 1
Introduction
FREEDOM SW 3524
FREEDOM SW
3524
CLEAR FAULT
RESET
INVERTER
ENABLE
INVERTER
ENABLED
AC IN FAULT
GEN
SUPPORT
CHARGINGWARNING
BTS
DC terminal covers
with screws
nuts and washers
Freedom SW 3524-230
shown
Installation and
Owner’s Guides
Xanbus network
terminators
Materials List
The Freedom SW 230V ships with the following items:
• one Freedom SW 230V unit
• owner’s and installation guides
• Battery Temperature Sensor (BTS)
• DC terminal covers (one red, one black) with
two sets of #6-32 screws
• two Xanbus network terminators
• two sets of 5/16"-18 nuts and washers for the DC terminals
NOTE: If any of the items are missing, contact customer service or
any authorized Xantrex dealer for replacement. See “Contact
Information” on page i.
IMPORTANT:
need to return the Freedom SW 230V for servicing.
Keep the carton and packing material in case you
2 Freedom SW 230V Installation Guide
Figure 1 Materials List
Installation Information
Failure to follow these instructions will result in death or serious
injury.
Before You Begin the Installation
Before beginning your installation:
• Read the entire Installation Guide so you can plan the
installation from beginning to end.
• Assemble all the tools and materials you require for the
installation.
• Review the Important Safety Instructions on page iii.
• Be aware of all safety and electrical codes which must be met.
ELECTRICAL SHOCK AND FIRE HAZARDS
• All wiring should be done by qualified personnel to ensure
compliance with all applicable installation codes and regulations.
• Disconnect all AC and DC power sources.
• Disable and secure all AC and DC disconnect devices and automatic
generator starting devices.
Installation Codes
Applicable installation codes vary depending on the specific
location and application of the installation.
This guide for use by qualified personnel only.
975-0697-01-01 3
About the Xanbus System
Xanbus System Control Panel
Xanbus Automatic Generator Start
System Control Panel
network terminator network terminator
Automatic Generator Start
Freedom SW Inverter/Charger
FREEDOMSW
3524
FREEDOM
SW 3524
I
nve
rt
er
R
e
set Enable
I
nv
e
r
t
er A
C/
On
C
harge Fault
Generator
Shore
Power
AC Loads
AC Panel
BATTERY
Inverter
Load Panel
Xanbus System
The Xanbus system includes the Freedom SW 230V and other
Xanbus-enabled devices. The Freedom SW 230V is the device in a
Xanbus system that typically provides network power—500 mA at
12 volts DC. All of the Xanbus-enabled devices, such as the
Freedom SW 230V, the SCP, and the AGS are able to communicate
their settings and activity to each other.
The Xanbus-enabled designation (see below) means that this
product works on a Xanbus network. Xanbus-enabled products are:
• Simple to operate and routine tasks are automated.
• Controlled by software that eliminates analog signalling errors.
• Less susceptible to interference and line loss.
• Upgradable through new software releases.
For detailed instructions and a complete list of Xanbus-enabled
devices, visit www.xantrex.com
Figure 2 Typical Xanbus System Diagram
4 Freedom SW 230V Installation Guide
Xanbus-enabled Products and Accessories
XanbusSystemCont rolPanel (SCP)
FGA:809-0921
ACIn/Charg e
InverterOn
LowBat tery
Fault
STBY/ON
FaultClear
TM
Enter Func
SCP
AGS
25-ft cable 75-ft cable3-ft cable
Inverter drip shield
About the Xanbus System
Xanbus-enabled Products (Shown above)
Product Number/s
Xanbus System Control Panel (SCP) 809-0921
Xanbus Automatic Generator Start (AGS) 809-0915
3-ft network cable (0.9 m) 809-0935
25-ft network cable (7.6 m) 809-0940
75-ft network cable (22.9 m) 809-0942
Accessories (Shown above)
Product Number/s
Freedom SW On/Off Switch (Not shown) 808-9002
Inverter drip shield 808-9004
975-0697-01-01 5
This guide for use by qualified personnel only.
Planning the Installation
This section provides information to help you plan for a basic
installation of the Freedom SW 230V.
As your system configuration is determined, record the details in
“Information About Your System” in the Freedom SW 230V Sine
Wave Inverter/Charger Owner’s Guide.
Two Key Performance Factors
Two key factors in particular will have a major impact on system
performance.
Size and Length of DC Cables
To select the appropriate size and length of DC cables, see “DC
Cabling” on page 13.
The DC cables should be as short as possible and large enough to
handle the required current, in accordance with the electrical codes
or regulations applicable to your installation. If there are long
battery cables which are in excess of 3 meters each and not of
sufficient size, the voltage drop across the cables will have a
negative impact on overall system performance.
Mounting Location of the Freedom SW 230V
T o choose an appropriate location for mounting the inverter/charger,
see “Step 1: Choosing a Location for the Inverter/Charger” on page
18.
6 Freedom SW 230V Installation Guide
Planning Preparations
AC, DC, and Network Components
For a successful installation, you need to plan for AC, DC, and
network components of the power system. The AC and DC
components are described in this section and illustrated in Figure 3
on page 8.
AC components include:
• AC Input/AC Out put
•AC Loads
• AC Disconnect and Over-Current Protection Device
• Distribution Panels
•AC Wiring
DC components include:
• 24-volt Batteries
• DC Cabling
• DC Disconnects and Over-Current Devices
• DC Grounding
975-0697-01-01 7
Network considerations for Freedom SW only include:
• Cables, connectors, network connectors, and terminators for the
SCP and Automatic Generator Start, if installing.
Detailed information on planning and installing your network is
available in the Xanbus System Installation Guide. Refer to the
system guide to determine the type of network layout to install,
as well as guidelines for installing the network. This guide is
available for download at www.xantrex.com
This guide for use by qualified personnel only.
Planning Preparations
IMPORTANT:
Figure 3 does not show all
required grounding or overcurrent
protection. See the next two pages as well
as on page 14 for required DC grounding or
overcurrent protection.
Always hire a qualified installer or you must
be the one to ensure that all electrical safety
requirements are met before, during, and
after installation.
Sine Wave
Inverter/Charger
FREEDOM SW 3524
Inv
R
eset Enable
System Control Panel (SCP) Automatic Generator Start (AGS)
DC –
DC +
House
Battery
BTS
Inverter
AC Panel
erter
In
ver
On
t
er
AC/
Cha
r
ge Fault
FREEDOM SW 3524
Generator
AC Out
AC Main
Panel
Transfer Switch
AC In
Isolator
Non-Inverter Lo ads
Utility Power
Engine Battery
Legend:
Xanbus Network
AC
Alternator
DC
Low Voltage DC
Figure 3 Typical Recreational Vehicle Electrical System
8 Freedom SW 230V Installation Guide
Planning Preparations
2524 and 3524
Inverter/Charger
230 V AC OUT
230 V AC IN
Battery (Bank)
24 V
HOT = BROWN, BLACK, OR GREY
NEUTRAL = BLUE
GND = GREEN WITH YELLOW STRIPE
HOT BUS
TO AC APPLIANCE
LOADS
INVERTER AC SUB PANEL (TYPICAL)
MAIN ELECTRICAL PANEL
FROM SHORE OR
GENERATOR POWER
HARDWIRE CONNECTIONS
30 A MAX in pass-through
Neutral
GND
15 A
20 A
Neutral
GND
30 A
MAIN
NOTE: The DC grounding conductor may be one size smaller than the minimum size conductor required for the DC current carrying conductors providing the overcurrent protection device in the DC
positive conductor is rated no greater than 135% of the ampacity of the DC grounding conductor and the conductor is no smaller than 2mm
2
.
IMPORTANT:
Read Owner’s and Installation
Guides prior to installation. Always refer to local and
national electrical codes for proper wire and breaker
sizes prior to installation.
See “DC Cabling” on
page 13 and “DC
Disconnects and OverCurrent Devices” on
page 14 for cable sizes
and fuse ratings.
IMPORTANT:
In Australia, connection to
shore power that is supplied by the utility grid,
must follow local and national wiring rules.
Figure 4 Wiring and Breakers Block Diagram for Freedom SW 230V 2524 / 3524
975-0697-01-01 9
This guide for use by qualified personnel only.
Planning Preparations
AC Components
NOTE: Unless otherwise referenced specifically by product name,
the components refer to all models of Freedom SW inverter/
chargers.
AC Input
AC input can be supplied from a single-phase 230-volt 50-Hz AC
source such as the utility grid (power company), a generator, or the
output of a transfer switch.
AC Output
The output voltage on Freedom SW inverter/chargers is
230 volts AC. The Freedom SW 2524-2 30 and Freedom SW 3524230 models have a Single Input and Single Output line (SI-SO)
configuration.
AC Loads
The Freedom SW 230V is intended to power loads consisting of
230 volts/50 Hz AC appliances.
In Invert mode, the Freedom SW 230V provides 230 volts/50 Hz
AC to loads connected to Line out. In AC Bypass mode, the source
connected to the AC input is passed through to the load. Only
230 volts/50 Hz AC appliances can be connected to the Freedom
SW 230V output.
AC Disconnect and Over-Current Protection Device
To meet mobile electrical code requirements, and to protect system
wiring, the AC inputs and outputs of the inverter/charger must be
provided with overcurrent protection on both the AC input and
output. This protection may be a circuit breaker or a fuse with a
disconnect device (for simplicity the following refers to breakers).
Refer to your applicable installation codes and the following
requirements:
AC Input Protection
The breaker protecting the AC input of the Freedom SW 230V must
be approved for use on 230 volts AC branch circuit. The breaker
must be rated no more than 30 amps maximum.
AC Output Protection
The breaker between the Freedom SW 230V AC output and the AC
loads must be rated to protect the AC output wire size used. If the
AC output wiring is based on the full 30-amp pass-through rating,
then a 30-amp output breaker is acceptable. If the AC output wiring
is smaller, then the breaker size will have to be smaller as well, in
accordance with applicable electrical installation codes.
10 Freedom SW 230V Installation Guide
GFCI Requirements
Planning Preparations
Distribution Panels
A GFCI (ground fault circuit interrupter) is a device that deenergizes a circuit when a current to ground exceeds a specified
value that is less than that required to open the circuit breaker.
GFCIs are intended to protect people from electric shocks and are
usually required in wet or damp locations.
Installation in recreational vehicles may require GFCI protection of
certain branch circuits. Consult all applicable codes.
Disconnect Devices
Each system requires a method of disconnecting the AC circuits. If
the overcurrent protection device is a circuit breaker, it will also
serve as the disconnect. If fuses are used, separate AC disconnect
switches will be needed between the source and the fuses.
Some systems incorporate distribution panels both ahead of the
inverter/charger (the AC source panel) and between the inverter/
charger and the loads (the AC load panel). The AC source panel
includes a main circuit breaker, which serves as overcurrent
protection for the panel. Additional circuit breakers serve individual
circuits, one of which serves the inverter/charger.
AC Wiring
Definition AC wiring includes input wiring (all the wires and
connectors between the AC source and the inverter/charger input)
and output wiring (all the wires between the inverter/charger and the
AC load panels, circuit breakers, and loads).
Type The type of wiring required varies according to the electrical
codes or regulations applicable to your installation. For RV
applications, this may be solid wire in multi-conductor cables, but
stranded wire is required if single conductors are used. All wiring
must be rated 75 °C or higher. In Australia, all wiring must be rated
90 °C or higher.
Size of AC Input Wiring W ire size must be coordinated with the
overcurrent protection provided ahead of the wire involved, in
accordance with the electrical codes or regulations applicable to
your installation. Therefore, the wiring used between the AC input
circuit breaker and the inverter/charger input must be sized to match
the input breaker rating.
This guide for use by qualified personnel only.
975-0697-01-01 11
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