Go Power GPSW-300 User manual

Pure Sine Inverter
GPSW-150
GPSW-300
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Owner’s Manual
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Pure Sine Wave Inverter
GPSW-150
GPSW-300 
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Table of Contents
1.0 Introduction
The Go Power!TM SW150 and SW300 Sine Wave Inverters convert DC power to
AC power and can be used in a wide range of applications including remote
homes, RVs, sailboats, powerboats, laptops, cell phone chargers, and even
gaming equipment. The inverters operate most televisions, VCRs, personal
computers, small appliances, and cab charge cordless tools such as drills,
sanders and grinders, mixers, and blenders.
An inverter must have a greater power rating than the load to which it is providing
power. To get the most out of the inverter, ensure it is installed and used
correctly. Please read the instructions in this manual before installing and using
the inverters.
Introduction 2
Specifications 3
Name and Main Function 5
Installation 9
Operation 12
Operating Limits 14
Troubleshooting 15
Maintenance 15
Disclaimer of Liability and Warranty 16

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GPSW-150
GPSW-300 
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2.0 Specifications
2.1 GPSW-150 W Inverter
SPECIFICATIONS* GPSW-150 (12V) GPSW-150 (24V)
Continuous Output Power 150 W
Surge Rating 260 W
Output Waveform Pure Sine Wave <3% THD
Output Voltage ± 5% 115 VAC RMS
Input Voltage 10.5 – 15 VDC 21.0-30.0
Efficiency 80-90%
No Load Current Draw / Powersave 0.20 A 0.15 A
Protection Overload, Short Circuit, Reverse Polarity (Fuse),
Over/Under Input Voltage, Over Temperature
Low Battery Alarm ± 2% 10.5 V 21.0 V
Low Battery Shut-Down ± 2% 10.5 V 21.0 V
Operating Temperature Range 0 - 40ºC / 32ºF - 104ºF
Storage Temperature Range -30ºC - 70ºC / -22ºF - 158ºF
Cooling Thermostatically Controlled Fan
A
C Receptacle Dual GFCI
Remote Port Option Yes
Dimensions (L x W x H) in mm 200 x 132 x 72
Dimensions (L x W x H) in
inches 8 x 5.3 x 2.9
Weight 2.7 kg / 5.9 lbs
Warranty 2 Year
Inverter Install Kits Auto Utility Adapter
Battery Ring Terminal Connection
UPC 8-39085-00057-1 8-39085-00135-6

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GPSW-150
GPSW-300 
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2.2 GPSW-300 W Inverter
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SPECIFICATIONS* GPSW-300 (12V) GPSW-300 (24V)
Continuous Output Power 300 W
Surge Rating 450 W
Output Waveform Pure Sine Wave <3% THD
Output Voltage ± 5% 115 VAC RMS
Input Voltage 10.5 – 15 VDC 21.0-30.0
Efficiency 80-90%
No Load Current Draw / Powersave 0.26 A 0.23 A
Protection Overload, Short Circuit, Reverse Polarity (Fuse),
Over/Under Input Voltage, Over Temperature
Low Battery Alarm ± 2% 10.5 V 21.0 V
Low Battery Shut-Down ± 2% 10.5 V 21.0 V
Operating Temperature Range 0 - 40ºC / 32ºF - 104ºF
Storage Temperature Range -30ºC - 70ºC / -22ºF - 158ºF
Cooling Thermostatically Controlled Fan
AC Receptacle Dual GFCI
Remote Port Option Yes
Dimensions (L x W x H) in mm 237 x 155 x 72
Dimensions (L x W x H) in inches 9.3 x 6.1 x 2.8
Weight 2.7 kg / 5.9 lbs
Warranty 2 Year
Inverter Install Kits Anderson Lug Terminals
UPC 8-39085-00004-5 8-39085-00060-1

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GPSW-150
GPSW-300 
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3.0 Name and Main Function
3.1 GPSW-150
Front View
a. AC outlet:
Outlet sockets available: North America (NEMA 5-15R)
b. ON / OFF switch:
Power ON/OFF switch, leave in the OFF position during installation.
c. Remote port:
Allows customer to connect 2 wire switch to use as ON/OFF remote.
Ex. Toggle switch or light switch.
d. Power status LED:
The LED display indicates the power status of the inverter; see section
0 5.2 Power Status for more information.
Solid Green: AC power OK
Fast Red Blink: Over voltage protection (OVP)
Slow Red Blink: Under voltage protection (UVP)
Intermittent Red
Blink:
Over temperature protection (OTP)
Solid Red: Overload protection (OLP)

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GPSW-150
GPSW-300 
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3.1.2 Rear View GPSW-150
Operation of the inverter without a proper ground
connection may result in an electrical safety hazard.
a. Ventilation port:
Do not obstruct, allow at least 1 inch (2.54 cm) for air flow.
b. Connect the chassis ground to the vehicle chassis using a #8 AWG
wire.
c. DC Input:
Included: 3 foot (0.91 m) cable with automobile DC plug.
Use the DC input terminal to connect to a battery or other power
source: black is negative (–), red is positive (+). A reverse polarity
connection will blow the internal fuse and may permanently damage the
inverter. Observe the DC Input rating.

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GPSW-150
GPSW-300 
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3.2 GPSW-300
Front View 
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a. ON / OFF switch:
Power ON/OFF switch, leave in the OFF position during installation.
b. AC outlet:
Outlet sockets available: North America (GFCI).
c. Remote port:
Allows customer to connect 2 wire switch to use as ON/OFF remote.
Ex. Toggle switch or light switch.
d. Power status LED:
The LED display indicates the power status of the inverter; see section
0 5.2 Power Status for more information.
Solid Green: AC power OK
Fast Red Blink: Over voltage protection (OVP)
Slow Red Blink: Under voltage protection (UVP)
Intermittent Red
Blink:
Over temperature protection (OTP)
Solid Red: Overload protection (OLP)

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GPSW-150
GPSW-300 
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Rear View 
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Operation of the inverter without a proper ground
connection may result in an electrical safety hazard.
a. Ventilation port:
Do not obstruct, allow at least 1 inch (2.54 cm) for air flow.
b. Connect the chassis ground to the vehicle chassis using a #8 AWG
wire.
c. DC Input:
Included: 4 foot (1.22 m) cable with Anderson Power Pole connectors.
Use the battery terminals to connect to battery or other power source:
black is negative
(–), red is positive (+). A reverse polarity connection will blow the
internal fuse and may permanently damage the inverter. Observe the
DC Input rating.
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GPSW-150
GPSW-300 
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4.0 Installation
4.1 Where to Install
The inverter should be installed in a location that meets the following
requirements:
Do not connect the inverter and another AC source (generator
or utility power) to the AC wiring or AC loads at the same
time. Doing so will destroy the inverter and void the warranty,
regardless whether the inverter is switched on or off. If you
are using more than one AC source for the AC wiring or AC
loads, it is highly recommended that you install an automatic
transfer switch (GP-TS), available from Go Power!TM
a) Dry - Do not allow water to drip or splash on the inverter.
b) Cool - Ambient air temperature should be between 32 and 104 °F (0 and 40
°C); the cooler the better.
c) Ventilated - Allow at least 2 inches (5.08 cm) of clearance around the
inverter for air flow. Ensure the ventilation openings on the rear and bottom
of the unit are not obstructed.
d) Safe - Do not install the inverter in the same compartment as batteries or in
any compartment capable of igniting flammable liquids such as gasoline.
e) The inverter location should not exceed 10 feet (3.05 m) of the batteries.
4.2 Installation and testing
The following procedure describes how to install and test the GPSW150 and
GPSW300 inverters.
1. Unpack and inspect your Go Power!TM Inverter. Ensure that the power
switch is in the OFF position.
2. Connect power:
GPSW150:
Attach the automobile DC plug to a DC socket; go to step 7.
Ensure there is circuit protection on the DC socket; see section 0 4.3
Cables. If the DC plug is removed showing the negative and positive wires,
go to step 3.
GPSW300: Plug in the Anderson Power Pole connectors; go to step 3.
3. Securely connect the negative cable (black) to the negative terminal of the
battery.

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GPSW-150
GPSW-300 
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Loose connections result in excessive voltage drop and
may cause overheated wires and melted insulation.
A reverse polarity connection will blow a fuse in the
inverter and may permanently damage the inverter.
Damage caused by reverse polarity connection is not
covered by the warranty.
4. Before proceeding further, carefully check to ensure that the cable connects
from the negative DC input of the inverter to the negative terminal of the
battery.
You may observe a spark when you make the positive
connection since current may flow to charge capacitors
in the inverter. Do not make this connection in the
presence of flammable fumes, as explosion or fire may
result.
5. Install the recommended inverter fuse in the positive lead; see section 4.3
Cables. The fuse should be located as close to the battery as possible.
Ensure all connections are tight and secure.
6. Securely connect the positive cable (red) to the positive terminal of the
battery.
7. Set the power switch to the ON position. Check the indicator LED on the
front panel of the inverter to ensure that it is green.
8. Set the inverter switch to the OFF position. The indicator light may blink
and the internal alarm may sound momentarily. This is normal. Plug the
test load into the AC receptacle on the front panel of the inverter.
9. Set the inverter switch to the ON position and turn on the test load; the
inverter should supply power to the load. If you plan to measure the output
voltage of the inverter, a true RMS meter must be used for accurate
readings.

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GPSW-150
GPSW-300 
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4.3 Cables
4.3.1 GPSW150 – 12 V / 24 V
Use the included 3 feet (0.91 m) of #14 AWG wire and automobile DC plug.
When used in conjunction with an automobile DC socket, ensure the DC socket
fuse in the automobile fuse box is rated to the inverter load.
For example:
100 W = 10 A fuse
150 W = 15 A fuse
If the DC automobile plug is removed and/or the inverter is not attached to a
battery via an automobile fuse box, attach a 20 A fuse in line with the positive
conductor as close to the battery as possible. Extending the included cables may
result in excessive voltage drop. Increase the overall cable gauge to the next
larger standard size for every 3 feet (0.91 m) extended and do not exceed 10 feet
(3.05 m) total inverter cable length.
For example: 10 feet (3.05 m) cable = 10 gauge wire
4.3.2 GPSW300 – 12 V / 24 V
Use the included 4 feet (1.22 m) of #10 AWG wire and Anderson Power Pole
connectors.
Attach a 40 A or 20 A when using 24 volt version fuse in line with the positive
conductor as close to the battery as possible. Extending the included cables may
result in excessive voltage drop. Increase overall cable gauge to the next larger
standard size for every 3 feet (0.91 m) extended and do not exceed 10 feet (3.05
m) total inverter cable length.
For example: 10 feet (3.05 m) cable = 6 gauge wire
4.4 Grounding
The inverter has a chassis ground lug on the rear panel allowing you to connect
the chassis of the inverter to ground. The ground terminals in the AC outlets on
the front panel of the inverter are internally connected to the chassis ground. If
available, the chassis ground lug should be connected to a grounding point,
which will vary depending on where the inverter is installed. In a vehicle, connect
the chassis ground to the chassis of the vehicle. In a boat, connect the chassis
ground lug to the boat's grounding system. In a fixed location, connect the
chassis ground lug to an earth ground.
The neutral (common) conductor of the inverter AC output circuit is connected
(bonded) to the chassis ground inside the inverter. Therefore, when the chassis
is connected to a ground, the neutral conductor is also grounded. These
grounding connections conform to national electrical code requirements which
state that separately derived AC sources (such as inverters and generators) have
their neutral tied (bonded) to ground in the same way that the neutral conductor

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GPSW-150
GPSW-300 
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from the utility line is tied (bonded) to ground in the AC breaker panel of a
non-mobile dwelling.
Important:
As per the national electrical code, electrical panels in mobile applications must
not have a bonded neutral. If the inverter is supplying power to equipment or a
panel where the neutral and ground are connected (bonded), a ground loop will
occur. If a ground loop occurs on inverters with GFCI outlets, the GFCI outlet will
trip and output power from the inverter will be cut off. If your GFCI repeatedly
needs to be reset, this indicates a ground loop somewhere in your system. In this
case, please have a qualified service technician inspect your electrical system or
equipment.
The negative DC input of the inverter is connected to the
chassis. Do not install the inverter in a positive ground
DC system. A positive ground DC system has the
positive terminal of the battery connected to the chassis
of the vehicle or to the grounding point.
5.0 Operation
To operate the inverter, turn it on using the ON / OFF switch on the front panel.
The inverter is now ready to deliver AC power to your loads. If you are operating
several loads from the inverter, turn on the inverter, and then turn on each load
separately. This will ensure that the inverter does not have to deliver the
starting-currents for all the loads at once.
5.1 Operating On / Off Switch
The ON / OFF switch turns the control circuit in the inverter ON and OFF. It does
not disconnect power from the inverter.
When the switch is in the OFF position, the inverter draws no current from the
battery. When the switch is in the ON position, but with no load, the inverter
draws approximately 0.20 A from the battery.
5.2 Power Status
The power status LED indicates the operating state of the inverter. If the LED is
green, then the inverter is in operational mode and producing approximately 115
V AC. If the LED is red or flashing red, then the inverter is in fault mode and there
is no AC output.

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GPSW-150
GPSW-300 
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Table 1: Inverter Power States
State LED Description
Over voltage
protection
Red LED blinking
fast
Over voltage protection indicates that the
inverter has shut itself down because its input
voltage is over:
12 V: 15.0 ~ 16.0 V DC
24 V: 30.0 ~ 32.0 V DC
Under voltage
protection
Red LED blinking
slowly
Under voltage protection indicates that the
inverter has shut itself down because its input
voltage is lower than:
12 V: 10.0 ~ 10.5 V DC
24 V: 20.0 ~ 21.0 V DC
Over temperature
protection
Red LED blinking
intermittently
Over temperature protection indicates that the
inverter has shut itself down because it has
become overheated.
The inverter may overheat if it has been
operated at power levels above its rating or if
it has been installed in a location which does
not allow it to properly dissipate heat. The
inverter automatically restarts once it has
cooled down.
Overload
protection
Red LED solid Overload protection indicates that the inverter
has shut itself down because its output circuit
has been short circuited or drastically
overloaded.
Switch the ON / OFF switch to OFF, correct
the fault condition, and then switch the ON /
OFF switch back to ON.
5.3 Resetting Faults
Any of the inverter protection faults can be re-set by turning the inverter off for 5
seconds and then turning the inverter on again. The GPSW150 and GPSW300
inverters can also re-set any protection faults using the optional remote on/off
switch (2 wire switch supplied by customer) to turn the inverter off and then on
again.
5.4 Remote
A user supplied remote option is available for both the GPSW150 and GPSW300
inverters. When the ON / OFF switch is moved to the remote setting, the inverter

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GPSW-150
GPSW-300 
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becomes operational only when a connection is made between the two terminals
of the remote input. A switch may be placed between the two terminals and the
inverter can then be turned off using the switch. A ⅛” (3.0 mm) precision
screwdriver is recommended for tightening the two terminals. It is recommended
that a #18 gauge wire no longer than 150 feet (45.72 m) (terminal to terminal) is
used for this application.
Never connect live AC or DC conductors to the remote
terminals.
6.0 Operating limits
6.1 Power output
Some induction motors used in refrigerators, freezers, pumps, and other motor-
operated equipment require very high surge currents to start. The inverter may
not be able to start some of these motors even though their rated current draw is
within the power rating of inverter. Televisions and computer monitors may surge
up to four times their rated power on startup, which may result in the inverter
showing an overload fault.
6.2 Input voltage
The inverter operates at the following input voltage ranges:
12 V: 10.5 to 15.0 V
24 V: 21.0 to 30.0 V
The inverter shuts down if the input voltage drops below:
12 V: 10.5 V
24 V: 21.0 V
This protects your battery from being over discharged.
The inverter also shuts down if the input voltage exceeds:
12 V: 15.0 V
24 V: 30.0 V
This protects the inverter against excessive input voltage. Although the inverter
incorporates protection against over voltage, it may still be damaged if the input
voltage is allowed to exceed:
12 V: 16.0 V
24 V: 35.0 V

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GPSW-150
GPSW-300 
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7.0 Troubleshooting
7.1 Television interference
Operation of the inverter can interfere with television reception on some
channels. If this situation occurs, the following steps may help to alleviate the
problem.
Ensure that the chassis ground lug on the back of the inverter is
securely connected to the ground system of your vehicle, boat, or home.
Do not operate high power loads with the inverter while watching
television.
Make sure that the antenna feeding your television provides an
adequate ("snow free") signal and that you are using a good quality
cable between the antenna and the TV.
Move the television as far away from the inverter as possible.
Keep the cables between the battery and the inverter as short as
possible and twist them together with about 2 to 3 twists per foot. This
minimizes radiated interference from the cables.
7.2 Troubleshooting guide
Table 2: Common Problems
Problem and Symptoms Possible
Cause Solution
No output voltage, red
LED blinking fast
High input
voltage
Ensure that inverter is
connected to a 12 V / 24 V
battery. Check the regulation
of charging system.
No output voltage, red
LED blinking slowly
Poor DC wiring,
poor battery
condition
Use the proper cable and
make secure connections.
Use a new battery.
No output voltage, load in
excess of 150 W, red LED
blinking intermittently
Thermal
shutdown
Allow the inverter to cool off.
Reduce the load if continuous
operation required.
No output voltage, load
less than 150 W, red LED
blinking intermittently
Thermal
shutdown
Improve ventilation; ensure
that the inverter ventilation
openings are not obstructed.
Reduce the ambient
temperature.
No output voltage, red
LED solid Overload Reduce the load.

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GPSW-150
GPSW-300 
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Problem and Symptoms Possible
Cause Solution
No output voltage, red
LED blinking slowly
Low input
voltage
Recharge the battery.
Check the connections and
cable.
No output voltage,
previous solutions are not
working
Inverter
switched off
No power to
inverter
Turn the inverter ON.
Check wiring to the inverter.
Car lighter fuse
open Replace the fuse.
Internal fuse
open
Have a qualified service
technician check and replace.
Reverse DC
polarity
Have a qualified service
technician check and replace
fuse.
Observe correct polarity.
No output voltage,
overload indicator ON
Short circuit or
wiring error
Check the AC wiring for a
short circuit or improper
polarity (hot and neutral
reversed).
8.0 Maintenance
Clean the exterior of the unit periodically with a damp cloth to prevent
accumulation of dust and dirt and check all connections between the battery and
inverter.
9.0 Disclaimer of Liability & Warranty
Go Power!TM provides the following limited 2 year warranty (“Warranty”) coverage
as applicable to the purchaser (“Purchaser”) of the Go Power!TM branded product
(“Product”) directly from Go Power!TM The following constitutes the terms and
conditions of that limited warranty.
9.1.1 What the Go Power! Warranty Covers and for How Long
Subject to the exclusions and claim procedure set out below, Go Power!TM
warrants for a period of 2 years from the date of purchase at the point-of-sale to
the original end-user customer (“Sale Date”), that the Go Power!TM Product
provides coverage as follows:

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GPSW-300 
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For the period ending 2 years from the Sale Date, Go Power!TM will, at Go
Power!TM’s discretion, repair or replace the Product which fails to meet the
Product Specifications due to a defect in materials or workmanship or apply
credit towards the purchase of new Go Power!TM Product.
To exercise this right, the Purchaser shall ship, at its own expense, and return
the Product to Go Power! according to the return instructions detailed below, and
Go Power!TM will, repair or replace the Product and return it to the Purchaser free
of charge, or offer credit towards the purchase of new Product.
Go Power!TM shall be entitled, at its discretion, to use new and/or reconditioned
parts in performing warranty repair or providing a replacement Product. Go
Power!TM also reserves the right to use parts or Product of original or improved
design in any repair or replacement. All replaced Product and/or any parts
removed from repaired Products become the property of Go Power!TM
If Go Power!TM chooses to repair or replace a Product, the above warranty will
continue to apply and remain in effect for the balance of the warranty period
calculated from the Sale Date (and not the repair or replacement date).
If Go Power!TM chooses to offer a credit towards the purchase of new Product,
then the warranty in effect and applicable to the new Product shall apply to the
new Product.
9.1.2 What the Go Power! Warranty Does Not Cover
Go Power!TM’s Warranty does not provide coverage for the following which are
expressly excluded from the above warranty:
Failure due to normal wear and tear of the Product.
Failure caused by separate computer software supplied with or
associated with a Go Power!TM Product.
Failure due to fire, water, neglect, improper installation, generalized
corrosion, biological infestations, or input voltages that create operating
conditions beyond the maximum or minimum listed in the Go Power!TM
specifications including lightning strikes.
Products which have been altered other than by Go Power!TM or
authorized by Go Power!TM
Products that have their original identification (trademark, serial number)
markings defaced altered or removed.
Products utilized as a component part of a product expressly warranted
by another manufacturer.
Operation or storage of the Product outside the specification ranges,
and/or alteration or deployment of Go Power!TM Products other than in

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GPSW-300 
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accordance with any published or provided user, storage or
maintenance requirements.
Failure that is in any way attributable to the improper use, storage,
maintenance, installation or placement of the Go Power!TM Product.
Failure caused by abuse, misuse, abnormal use, or use in violation of
any applicable standard, code or instructions for use in installations,
including, but not limited to, those contained in the National Electrical
Code, the Standards for Safety of Underwriters Laboratory, Inc.,
Standards for the International Electrotechnical Commission, Standards
for the American National Standards Institute, or the Canadian
Standards Association.
Failure due to acts of God.
9.1.3 Restrictions and Limitations to Go Power!’s Warranty
This Warranty is not transferable and only applies to the Purchaser.
Go Power!TM does not warrant the results obtained from the
implementation of recommendations made by Go Power!TM or its
authorized distributors concerning the use, design or application of Go
Power! Products
The end-user who purchases the Product assumes all responsibility and
liability for loss or damage resulting from the handling or use of Go
Power!TM Products.
Go Power!TM 's liability on any claim, whether in warranty, contract,
negligence, or any other legal theory, for loss, damage or injury arising
directly or indirectly from or in relation to the use of the Go Power!TM
Product shall in no event exceed the purchase price of the Go Power!TM
Product which gave rise to the claim. IN NO EVENT SHALL GO POWER!TM
BE LIABLE FOR PUNITIVE, SPECIAL, INCIDENTAL OR CONSEQUENTIAL
DAMAGES WHETHER FORSEEABLE OR NOT INCLUDING BUT NOT
LIMITED TO LOSS OF PROFITS OR REVENUES, LOSS OF USE OF GOODS,
OR LOSS OF BARGAIN.
The Warranty set out above is the sole warranty granted by Go
Power!TM with respect to the Product. No oral understanding,
representations or warranties shall be of any effect and Go Power!TM
makes no further warranties, express or implied concerning the Go
Power!TM Products other than the Warranty set out above. The Buyer,
where permitted by applicable law, hereby expressly waives any
statutory or implied warranty that the Go Power!TM Product shall be
merchantable or fit for a particular purpose.

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GPSW-300 
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9.2 Warranty Return Procedure
Visit www.gpelectric.com to read the “frequently asked questions” section of
our website to troubleshoot the problem. If trouble persists:
1. Call your Go Power!™ Technical Support team (1-866-247-6527).
2. Return defective product to place of purchase.
9.2.1 End Users
Contact your sales representative or Dealer and discuss the problem. Often the
sales representative can troubleshoot common scenarios. If applicable, warranty
will be handled between the End User and the Dealer. Go Power!TM will only
accept returned items from an End User as a last resort. If you are unable to
contact the Dealer, or the Dealer refuses to provide service, please contact Go
Power!TM directly.
9.2.2 Dealers
Dealers will handle warranty either through their supplier or Go Power!TM if they
qualify as a Purchaser.
9.2.3 Units bought directly from Go Power!
The Purchaser will return the product, freight prepaid, to Go Power!TM You must
obtain a Return Material Authorization (RMA) number from Go Power!TM before
returning a product. The RMA number MUST be clearly indicated on the outside
of the box.
Items received without an RMA number will be refused.
9.2.3 Additional Information
Unless approved by Go Power!TM management, all product shipped collect to Go
Power!TM will be refused.
Test items or items that are not under warranty, or units that are not defective,
will be charged a minimum bench charge of ($50.00 US) plus taxes and shipping.
A 15% restocking charge will be applied on goods returned and accepted as
“new” stock.
9.4 Out of Warranty Items
Go Power!TM electronic products are non-repairable, Go Power!! does not
perform repairs on its products nor does it contract out those repairs to a third
party. Go Power!TM does not supply schematics or replacement parts for any of
its electronic products.

Pure Sine Wave Inverter
GPSW-150
GPSW-300 
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© 2011 GO POWER!™ By Carmanah Technologies
www.gpelectric.com
MOBI_MAN_GPSW-150-300_vF_Dec2011