Motomaster 011-2038-4 User manual

INSTRUCTION
MANUAL
400 W 12 V/24 V
POWER INVERTER
SAVE THESE INSTRUCTIONS!
This manual contains important safety and operating instructions.
Read all instructions and follow them with use of this product.
Questions? Call Customer Service Hotline: [phone]
model no. 011-2038-4

AC POWER
AC output voltage (nominal)
Input
115
12 / 24 V DC
V, 60 Hz
Maximum AC output power 400 W
Continuous power 400 W
Maximum AC output surge power 800 W
Rated frequency 60 ± 1 Hz
AC output waveform wave
DC POWER
USB output 5 V / 3.1 A total
No load current draw (at 24 V) < 0.35 A
cy (maximum) 85%
Low-voltage shutdown 10-11 V / Input: DC 12 V
20-22 V / Input: DC 24 V
15-16.3 V / Input: DC 12 V
30-32.6 V / Input: DC 24 V
Low-voltage shutdown
High-voltage shutdown
High-voltage shutdown
PHYSICAL SPECIFICATIONS
Ambient operating temperature range 0–40°C (32–104°F)
Dimensions (L x W x H) 8 x 5 1/8 x 2" (20.3 x 13 x 5.1 cm)
Weight 2 lb 6 1/2 oz (1.2 kg)
TECHNICAL SPECIFICATIONS
SAFETY INFORMATION
KEY PARTS DIAGRAM
INTENDED USE
Options for connecting devices to the power inverter
OPERATION
Determining the maximum load of connected device
Wattage of commonly used devices
Before you start
Connecting the Power Inverter
Connecting the connector cables to the power inverter
Connecting the power inverter to a lighter socket (loads under 100 W)
Connecting the power inverter to a 24 V vehicle battery (loads up to 400 W)
Safety guidelines for handling batteries
Switching on / off
Using the USB port
Automatic safety features
MAINTENANCE
Fuse replacement
TROUBLESHOOTING
WARRANTY
3
4
8
10
10
11
11
12
15
16
16
18
19
19
21
22
23
24
25
26
31
TABLE OF CONTENTS
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TECHNICAL SPECIFICATIONS
3

This manual contains information that relates to PROTECTING PERSONAL SAFETY and
PREVENTING EQUIPMENT PROBLEMS. It is very important to read this manual carefully and
understand it thoroughly before using the product.
DANGER!
Potential hazard that will result in serious injury or loss of life.
WARNING!
Potential hazard that could result in serious injury or loss of life.
CAUTION!
Potential hazard that may result in moderate injury or damage to equipment.
IMPORTANT!
Installation, operation, or maintenance information that is important but not hazard related.
This power inverter can be used on 12 V Vehicles or 24 V Trucks, Boats, RVS.
When rstly connected to a battery, the inverter will indentify battery’s voltage and record it,
then it will perform under this voltage. For example, once it connect to Truck’s battery-24 V,
it will perform as low-voltage shutdown at 20–22 V and high-voltage shutdown at 30–32.6 V.
If change to different voltage of battery, you need to power off the inverter rstly, Connect to
a new battery with different voltage (for example 12 V), then power on the inverter, it will
indentify the voltage of new battery.
WARNING!
• HEATED SURFACE. The power inverter housing may become uncomfortably warm, and can
reach up to 60°C (140°F) under extended high power operation.
• Do not use the power inverter in a truck in which the plus pole of the car battery is
connected to the chassisl Before using the device, please determine how the battery is
connected in the respective vehicle.
• Do not operate the power inverter if it has been dropped or damaged in any way.
• Always disconnect the device by pulling on the plug itself, not the power cable.
• The device must be fastened so that it does not cause a safety hazard in case of collision
or hard braking.
• Route the power cable so that it does not interfere with the driver when plugged into the
vehicle's 12 V outlet.
• Prevent the power supply cable from coming into contact with hot parts of the engine or
from hanging over sharp edges and make sure it will not get caught on moving parts of the
engine.
• When using truck batteries, always follow the advice from the manufacturer of the battery
and in the truck instruction manual.
• Using improper voltage may result in damage to the device and possible injury to the user.
• The correct voltage is listed on the rating plate.
• Never leave the device unattended during operation.
SAFETY INFORMATION
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SAFETY INFORMATION

CAUTION!
CAUTION!
• DO NOT USE the power inverter with the following equipment:
• Do not insert foreign objects into the power inverter or ventilation openings.r
• Do not connect live AC power to the power inverter's AC outlets. The power inverter will be
damaged even if it is switched off.
• Avoid placing the power inverter on or near heating vents, radiators or other sources of
heat. Do not place the power inverter in direct sunlight (e.g. on the truck's dashboard) in
order to prevent an overheat shutdown caused by high temperatures. Do not use the
power inverter in temperatures over 40°C (104°F).
Small battery-operated devices such as rechargeable ashlights,
some rechargeable shavers, and night lights that are plugged
directly into an AC receptacle to recharge. The device can be
damaged if connected to the power inverter. Always recharge
batteries using a separate battery charger.
Battery chargers used in power tools. These chargers display a
WARNING LABEL stating that there are dangerous voltages at the
charger’s battery terminals.
• REVERSE POLARITY Power connections from a 12 V or 24 V battery to the power inverter
must be positive to positive and negative to negative. A reverse polarity connection
(positive to negative) will blow a fuse in the power inverter and might need to replace a
new fuse. Damage caused by a reverse polarity connection is not covered by your
warranty.
• Disconnect the power cable whenever the engine is switched off for extended periods of
time In some trucks, the power does not turn off after the engine has been switched off.
If the plug is left connected, the truck battery might become discharged or damaged.
• Using the device for extended periods of time can completely discharge the truck battery.
• When using a power inverter continuously inside a vehicle that is not running, the engine
should be started at least once an hour for 10-15 minutes to keep the battery from
discharging. Do not start a truck in a closed garage, as the carbon monoxide in the
exhaust is fatal.
• It is better to work with a battery that is in good condition and fully charged. A weak
battery will be drained easily if demands are too high. This could leave you stranded so
be sure to check the battery’s condition before using a power inverter in a stationary
truck.
SAFETY INFORMATION
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SAFETY INFORMATION

Ventilation
Openings (A)
Negative(-) DC
cabling terminal(B)
Positive (+) DC
cabling terminal(C)
DC cable with battery clamps
DC CABLE WITH
Two USB ports (D)
AC Outlet (E)
ON/OFF
Switch (G)
Power Indicator
Light (F)
12 V OUTLET PLUG (H)
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KEY PARTS DIAGRAM KEY PARTS DIAGRAM

The power inverter is an electronic device that converts the low-voltage 12 V or 24
V(direct current) from a battery, as can be found in trucks, or other similar power
sources, to the conventional 115 V (alternating current) like you have in your home. Do
not connect this power inverter to batteries below 12 V.
This conversion process thereby allows you to run standard household devices in all
cars including 12 V Vehicles and 24 V Trucks, Boats, RVs anywhere else.
This power inverter uses a modied sine wave that delivers power consistent and
efcient enough to run most devices adequately.
Determining the maximum load of connected devices
WARNING!
IMPORTANT!
VOLTS x AMPERE = WATTS
Formula: 120 Volts x XAmperes = XXXX Watts
Example: 120 Volts x 2Amperes = 240 Watts
CAUTION!
Understand the difference between rated (running) wattage and surge (starting)
wattage.
The RATED (RUNNING) WATTAGE is the average amount of power that a device consumes
continuously.
DO NOT overload your power inverter! Overloading the power inverter, even for a short
time, could result in serious damage to the power inverter and/or to the connected
device.
A few simple steps are necessary to avoid overloading the power inverter:
• Identify all devices that you would like to power.
• Add up the total wattage of devices that will be powered. The wattage can be found on
the individual device’s rating plate, as well as in the instruction manual.
In some cases, the wattage might not be listed on the devices you want to connect to the
power inverter. In that case, calculate the wattage using the following equation:
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OPERATION INTENDED USE

The SURGE (STARTING) WATTAGE is the amount of power that a device consumes at start-
up for a limited period of time (2–3 seconds). Some devices (e.g. induction motors of drills
and fans) may have a start-up surge of 3 to 7 times the rated wattage.
IMPORTANT!
POWER RATING MAXIMUM WATTAGE
Continuous power rating (RATED WATTAGE) 400 W
Surge rating max. (SURGE WATTAGE) 800 W
Wattage of commonly used devices
IMPORTANT!
The wattages given on next page are estimates. The actual wattage required for your devices
may differ from those listed. Be sure to chec wattage requirements on the rating
label and in the operating instructions of devices to be used.
The power inverter can supply momentary surge power that is higher (800 W) than its
maximum power rating (400 W). Some products with a rated wattage lower than the
maximum power rating for your power inverter may still exceed the power inverter's surge
capability and trigger an overload shutdown.
Products rated with the following power and surge ratings or less can be connected to the
power inverter.
NOTE: Power requirements for product examples are estimates only. To calculate the wattage
of a product, use the following equation: amperage x 115.
ELECTRONIC APPLIANCES TYPICAL WATTS*
*Actual wattage of different models may vary.
Portable music
MP3 player
Digital camera
Smartphone/Tablet
Laptop computer
13" television
Handheld gaming device
27" television
Food processor
10 W
10 W
10 W
20–30 W
60 W
100 W
130 W
280 W
350 W
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OPERATION OPERATION

IMPORTANT!
Add up the total wattage of devices to be powered.
TAKE INTO CONSIDERATION THE SURGE WATTAGE REQUIRED BY ELECTRICAL MOTORS
AS WELL AS THE RATED WATTAGE.
Example:
These devices can be operated simultaneously.
DEVICE SURGE (STARTING)
WATTAGE MAX. 480 W
RATED (RUNNING)
WATTAGE MAX. 240 W
Light bulb 40 40
Table fan 400 200
Total wattage used 440 240
These devices usually CAN be connected to the power inverter:
These devices usually CANNOT be connected to the power inverter,
as they might have a start-up surge or continuous rating that is too high.
> 400 W
IMPORTANT!
DRY
COOL
WELL-VENTILATED
CLEAN
SAFE
The device is not suitable for professional or industrial use.
Before you start
• Unpack the power inverter. Inspect the unit for damage. If the unit has been damaged,
contact the retailer immediately.
The carton should contain:
• Power inverter
• DC cable with 12 V outlet plug (H)
• DC cable with battery clamps (I)
• Owner’s manual
• Check the power inverter's identication label to ensure that you have purchased the
intended model and that it has the required specications for its intended use
• Positioning of the power inverter:
Position the power inverter on a at and stable surface in a location that is:
Do not expose to water, rain, moisture, snow or spray.
Operate the outlet in ambient temperatures between 0°C and
40°C (32°F and 104°F). Keep it away from heating vents and
direct sunlight. We recommend using the outlet in
environments not exceeding 25°C (77°F).
For proper cooling, allow at least 2" (5 cm) of clearance
around the power inverter.
Choose a location that is free of any debris that could get into
the outlet.
Do not install the power inverter in a compartment with
batteries or ammable liquids, such as gasoline, or explosive
vapours.
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OPERATION OPERATION

CAUTION!
Only use the cables provided with your power inverter.
• Screw off the caps of the DC cabling terminals (B / C).
• Connect the cable with the DC cabling terminals (B / C).
CAUTION!
Make sure to connect the RED CABLE TO POSITIVE PORT (+) and the BLACK CABLE TO
NEGATIVE PORT (-).
• Place the red cable connector on the positive DC cabling terminal (+ / red). Make sure that
the respective holes are matching. Screw the red cap back on the cabling terminal until the
•
• Place the black cable connector on the negative DC cabling terminal (- / black). Make sure
that the respective holes are matching. Screw the black cap back on the cabling terminal
POSITIVE(+) RED
CABLE CONNECTOR
Connecting the power converter.
CAUTION!
Prior to connecting to the power source:
Make sure that the total wattage of the devices you are planning to connect to the mobile
power outlet does not exceed the maximum load of the respective power outlet.
LOAD CONNECTED (W) CONNECTION WITH
12 V OUTLET PLUG
CONNECTION WITH
VEHICLE BATTERY
Continuous load under 100 W Yes Yes
Continuous load between
100 and 400 W No Yes
Connecting the connector cables to the power inverter.
< 100 W
< 400 W
• Make sure that the power inverter is switched off by verifying that the on/off switch (H) is
set on the "O" position.
• Choose the DC cable (I / H) suitable for connecting the AC products that you want to operate.
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OPERATION OPERATION

NEGATIVE BLACK CABLE
CONNECTOR
Connecting the power inverter to a 12 V outlet (loads under 100 W)
• Follow the instructions in the previous section. Choose the DC cable with 12 V outlet
plug (H) (See connecting the connecter cables to the power inverter).
• Plug the 12 V outlet plug into the 12 V outlet of your vehicle. Make sure the plug is fully
inserted.
• The power inverter is now ready for use.
CAUTION!
Always disconnect the power cable from the vehicle's 12 V outlet when you are not using
the device.
IMPORTANT!
The normal voltage drop that occurs when the truck engine Is started may trigger the power
inverter's low-voltage shutdown feature. We recommend having hie power inverter
disconnected from the vehicle's 12 V outlet when starting the engine.
Connecting the power inverter to a battery from 12 V Vehicles and 24 V Trucks,
Boats, RVs
Safety guidelines for handling batteries
DANGER!
A spark may be visible when making the connection to a battery because a current will ow
to charge the capacitors In the power inverter. Do not make this connection In the presence
of ammable fumes. Explosion or re may result.
Thoroughly ventilate the battery compartment before making this connection.
DANGER!
Take special care when working with truck batteries. Batteries contain corrosive materials
and present an ELECTRICAL SHOCK HAZARD.
DANGER!
Do not use the truck battery in the proximity of open ames. Do not smoke when using a car
battery.
WARNING!
Remove any jewellery (watch, ring, etc.). Be careful not to short-circuit the battery with any
metallic object (wrench, etc.).
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OPERATION OPERATION

WARNING!
To prevent irritation and burns, wear protective eyewear and clothing when you install
the power inverter or work with a vehicle battery. Should battery acid come into contact
with skin or eyes, ush it with water and consult your physician.
CAUTION!
Power connections from a 12 V or 24 V battery to the power inverter must be POSITIVE
(RED) TO POSITIVE AND NEGATIVE (BLACK) TO NEGATIVE.
A reverse polarity connection (positive to negative) will blow a fuse in the power inverter
and may permanently damage the unit. Damage caused by a reverse polarity connection
is not covered by your warranty.
CAUTION!
Loose connectors result in an excessive voltage drop and may result in overheated wires
and melted insulation.
CAUTION!
Do not start the vehicle engine during operation.
• Follow the instructions in the section (See connecting the connector cables to the
power inverter) to connect the DC cable to the power inverter.
• If the battery can be switched off, switch it off.
• The power inverter is now ready for use.
CAUTION!
If you are going to disconnect the battery, switch the power inverter off rst (See Switching
on/off).
CAUTION!
Always disconnect the power cables from the battery when you are not using the device.
Switching on/off
• Be sure to have your power inverter properly placed and connected according to the
wattage that is to be connected before attempting to switch it on.
• Switch the battery on in case It is switched off.
• Set the on/off switch (G) to the "I" position to switch on the power inverter.
The power indicator (F) lights up, indicating that the power inverter is operating normally
and that the AC outlet and the USB port are powered.
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OPERATION OPERATION

AUTOMATIC SAFETY FEATURES
The MotoMaster power inverter includes the following automatic safety features to ensure
safe and trouble-free operation:
• Vehicle battery low-voltage automatic alarm and shutdown: automatic alarm activated
when the battery voltage drops to 10.5-11 V/21–22 V, shutdown activated when the
battery voltage drops to 10-11 V/20–22 V, the green indicator turns to red indicator. The
unit will resume automatically.
• Vehicle battery high-voltage automatic shutdown: activated when the battery voltage rises
to a dangerously high level 15-16.3 V/30-32.6 V due to a defective battery, the green
indicator turns to red indicator. The unit will resume automatically.
• Overload protection with automatic shutdown: activated when a device rated more than
400 W is plugged into the power inverter, the green indicator turns to red indicator. Please
restart the unit manually.
• Overheat protection with automatic alarm and shutdown: activated in case the power
inverter overheats due to improper ventilation or a high ambient temperature, the green
indicator turns to red indicator. The unit will resume automatically.
• Output short-circuit protection with automatic shutdown: activated in case of a
short-circuit in the connected device, the green indicator turns to red indicator. Please
restart the unit manually.
• Current leakage protection with automatic shutdown: activated in case of electric leakage
in the connected device, the green indicator turns to red indicator. Please restart the unit
manually.
• Built-in fan: activated when a signicant amount of power increase the internal
temperature and it exceeds its ambient operating temperature.
• Replaceable 8 A fuse: use for continued protection against a risk of re or electric shock
and should be replaced manually, if necessary.
•Plug in the devices that you want to operate to either the AC outlet or the USB port.
CAUTION!
After plugging in the devices, turn them on ONE AT A TIME. This will ensure that the power
inverter does not have to deliver the surge currents required for all the loads at once.
• Set the on/off switch (G) to the "0" position to switch off the power inverter.
CAUTION!
Switch the power inverter off and disconnect It from the power source when It is not in
IMPORTANT!
When the power inverter is switched off, it draws no current from the battery. When the power
inverter is switched on without any load connected to it the power inverter draws approx. 0.4
A from the battery.
This low current draw will eventually discharge the battery.
Using the USB port
Plug the USB-powered device into the power inverter's USB port (D) and operate normally.
IMPORTANT!
This unit’s USB charging port does not support data communication. It only provides (5 V/2.1
A) DC power to an external USB-powered device. Not all mobile phones are provided with a
charging cable. Data cables are not supported by this device. Please check with your mobile
phone dealer for the correct charging cable.
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OPERATION OPERATION

WARNING!
Before cleaning, make sure the power inverter is switched off and disconnected from
the power source.
• The exterior of the device should be cleaned periodically with a damp cloth or sponge and
a mild soap solution.
• Be sure vents and fans are free of dust or debris.
• Never immerse the device in water or any other liquid.
• For cleaning, never use corrosive detergents, wire brushes, abrasive scourers, or metal or
sharp objects.
• Store the device in a cool, dry, location that is protected from moisture and out of the reach
of children.
FUSE REPLACEMENT
WARNING!
cable (H):
Remove the faulty fuse.
Insert a new fuse and screw the cover of the plug back on.
For continued protection against risk of re or electric shock, replace only with a fuse of the
same type and rating (125 V, 8 A).
Follow the instructions to replace the fuse inside the 12 V outlet plug of your connector
• While the engine is running, the power inverter can be connected to the vehicle's 12 V outlet
again.
• Consider connecting the power inverter to a separate deep-discharge type of suitable
battery if you will be frequently running electrical devices for extended periods of time.
Screw off the upper cover of the 12 V outlet plug.
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MAINTENANCE MAINTENANCE

PROBLEM POSSIBLE CAUSE SOLUTION ERROR SIGNAL
Low battery
alarm and
low-voltage
shutdown
As the battery discharges, its
voltage decreases. Voltage
drops to 21.0–22.0
20.0–22.0 V
V
Shut down sensitive loads
such as computers and then
recharge the battery.
Audible alarm
Voltage drops to
20.0–21.0 V
This protects the battery
from being over-discharged.
Recharge the battery. Power indicator
(Green-Red)
(Green-Red)
(Green-Red)
light (F) turns on
High- Voltage
shutdown
Disconnect the connected
devices.
Verify that the charging system
is properly regulated and the
battery is 24 V nominal.
Power indicator
light (F) turns on
Overload
shutdown
Red indicator
light (F) turns on
The power inverter is equipped with protective shutdown features and an acoustic
signal. The details are listed in the following table:
Work with 24 V battery, such as Trucks, Boats, RVs
A defective battery charging
system can cause the battery
voltage to rise to high levels
(30.0-32.6 V).
Although the power inverter
has a protection against high
voltage, H might still be
damaged if the input voltage
were to exceed 32 V.
If you connect a device that
is rated too high or a load
that draws excessive surge
power, the power inverter
shuts down.
Use a product with a power
rating within the power
inverter’s continuous power
rating (See operation).
PROBLEM POSSIBLE CAUSE SOLUTION ERROR SIGNAL
Low battery
alarm and
low-voltage
shutdown
As the battery discharges, its
voltage decreases. Voltage
drops to 21.0–22.0
20.0–22.0 V
V
Shut down sensitive loads
such as computers and then
recharge the battery.
Audible alarm
Voltage drops to
20.0–21.0 V
This protects the battery
from being over-discharged.
Recharge the battery. Power indicator
(Green-Red)
light (F) turns on
ALARM POSSIBLE CAUSE SOLUTION ERROR SIGNAL
Overheat
shutdown
The power inverter
shuts down automatically if
it exceeds its safe operating
temperature.
Power indicator
light (F) turns on
Work with 12 V battery, such as Trucks, Boats, RVs
(Green-Red)
• Switch the power inverter
off and disconnect it from
the vehicle's 12 V outlet.
• Disconnect all connected
devices and allow the
power inverter to cool for
at least 15 minutes.
• Use a brush to clear any
blocked ventilation holes.
• Move the power inverter to
a cooler place. Reduce the
load if continuous
operation is required.
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TROUBLESHOOTING TROUBLESHOOTING

(Green-Red)
(Green-Red)
High- Voltage
shutdown
Disconnect the connected
devices.
Verify that the charging system
is properly regulated and the
battery is 24 V nominal.
Power indicator
light (F) turns on
Overload
shutdown
Red indicator
light (F) turns on
Overheat
shutdown
The power inverter
shuts down automatically if
it exceeds its safe operating
temperature.
Power indicator
light (F) turns on
(Green-Red)
PROBLEM POSSIBLE CAUSE SOLUTION ERROR SIGNAL
A defective battery charging
system can cause the battery
voltage to rise to high levels
(30.0-32.6 V).
Although the power inverter
has a protection against high
voltage, H might still be
damaged if the input voltage
were to exceed 32 V.
If you connect a device that
is rated too high or a load
that draws excessive surge
power, the power inverter
shuts down.
Use a product with a power
rating within the power
inverter’s continuous power
rating (See operation).
• Switch the power inverter
off and disconnect it from
the vehicle's 12 V outlet.
• Disconnect all connected
devices and allow the
power inverter to cool for
at least 15 minutes.
• Use a brush to clear any
blocked ventilation holes.
• Move the power inverter to
a cooler place. Reduce the
load if continuous
operation is required.
ALARM POSSIBLE CAUSE SOLUTION ERROR SIGNAL
Overheat
shutdown
Power indicator
light (F) turns on
PROBLEM POSSIBLE CAUSE SOLUTION
The connected
device does
not switch on.
The battery is defective. Check the battery and replace it if required.
The power inverter is
damaged and needs to be
repaired.
Have the power inverter repaired by an
authorized service centre.
Incorrect connections to the
inverter.
Check all connections. Make sure the
connection is correct and tight.
The
power inverter
will run some
small loads,
but not larger
ones.
The cables are either too long or
not heavy enough.
Only use the cables provided with your
power inverter.
(Green-Red)
The power inverter
shuts down automatically if
it exceeds its safe operating
temperature.
• Switch the power inverter
off and disconnect it from
the vehicle's 12 V outlet.
• Disconnect all connected
devices and allow the
power inverter to cool for
at least 15 minutes.
• Use a brush to clear any
blocked ventilation holes.
• Move the power inverter to
a cooler place. Reduce the
load if continuous
operation is required.
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TROUBLESHOOTING TROUBLESHOOTING

PROBLEM POSSIBLE CAUSE SOLUTION
Measured
power inverter
output
is too low.
The battery voltage is too low. Recharge the battery.
Battery
run time is
less than
expected.
The AC product power
consumption is higher than rated.
Use a larger battery to make up for the
increase in power requirement.
The battery is old or defective. Replace the battery.
The battery is not being charged
properly.
Some chargers are not able to fully recharge
a battery. Make sure that you use a powerful
charger.
Power dissipation in DC cables. Only use the cables provided with your
power inverter.
No power to
power inverter Blown fuse. Replace fuse.
Television
interference. TV signals are weak.
• Adjust the orientation of the power inverter,
television, antenna and cables.
• Maximize TV signal strength by using a
better antenna and use shielded antenna
cable where possible.
• Try a different TV model.
This MotoMaster®product carries a one (1) year warranty against defects
in workmanship and materials. At its discretion, MotoMaster Canada agrees to have any
defective part(s) repaired or replaced free of charge, within the stated warranty period, when
returned by the original purchaser with proof of purchase. This product is not guaranteed
against wear or breakage due to misuse and/or abuse.
Made in China
Imported by MotoMaster Canada, Toronto, Canada M4S 2B8
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WARRANTY TROUBLESHOOTING