Samlexpower SAM-100-12 Manuale utente

DC-AC

Power

Inverter

SAM-100-12

Please read this

manual BEFORE

installing your

SAM-100-12

Inverter.

Owner's

Manual

2 | SAMLEX AMERICA INC.

SECTION 1 | Safety

IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS

This manual contains important Safety and Operating Instructions. Please read before

using this unit .

The following safety symbols will be used in this manual to highlight safety

and information:

WARNING!

Indicates possibility of physical harm to the user in case of non-compliance.

!CAUTION!

Indicates possibility of damage to the equipment in case of non-compliance.

iINFO

Indicates useful supplemental information.

WARNING!

TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, EXPLOSION OR INJURY

1. Do not connect to AC distribution wiring.

2. Remove appliance plug from outlet strip before working on the appliance.

3. Do not make any electrical connections or disconnections in areas designated as

IGNITION PROTECTED.

4. This is not a toy - keep away from children.

5. DO NOT insert object into ventilation openings.

!CAUTION!

1. Do not use with Positive Ground electrical systems (the majority of modern automo-

biles, RVs, trucks and boats are Negative Ground). Reverse polarity connection will

result in a blown fuse and may cause permanent damage to the unit.

2. This unit will not operate high wattage appliances rated more than the continuous/

surge, the output power limit, or surge power ratings.

3. Grounding the Neutral will cause the unit to shut down. Do not operate this unit

if it is wet.

4. This unit is not tested for use with medical devices.

SECTION 1 | Safety

5. Loose connectors may cause overheated mating surfaces and melted insulation.

6. Remove the unit from the 12V Power Outlet when not in use.

The unit should only be used in locations that meet the following criteria:

DRY – Do not allow water and/or other liquids to come into contact with the unit.

COOL – Ambient air temperature should be between 0ºC to 40ºC. Do not place the

unit on or near a heating vent or any piece of equipment which is generating heat

above room temperature. Keep the unit away from direct sunlight.

VENTILATED – Keep the area surrounding the unit clear to ensure free air circulation

around the unit. Do not place items on or over the unit during operation. If the unit

over-heats, unplug it and let it cool down for 30 minutes.

SAFE – Do not use the unit near ammable materials or in any locations that may ac-

cumulate ammable fumes of gases.

4 | SAMLEX AMERICA INC.

SECTION 2 | Introduction

DESCRIPTION

The inverter converts 12 VDC voltage from battery or from other suitable 12 VDC source

to 115 V, 60 Hz AC voltage. The waveform of the of the AC output voltage is Modied

Sine Wave.

FEATURES

• Highpeakefciencyof90%

• Veryhighpowertoweightratio-compactandlightweight

• SoftStartTechnologyforbettersurgeperformance 

• LatesthighpowerUSBChargingPort,USB3.0,TypeA:5VDC,2.1A

• Loadcontrolledcoolingfanforbetterefciency

• CoolSurfaceTechnologyforcoolerandsafertouchtemperature

• UniversalProtectioncircuitforlow/highDCinputvoltage,overload/shortcircuit,

over temperature and Ground Fault

• LowInterferenceTechnologyforcontrolledRFnoise

• Integrated12VPowerPlug(CigarPlug)

Soft Start Technology

This feature offers the following advantages:

• WhentheinverterisswitchedON,thevoltagerampsupto115VACinaround2sec.

If the load was already ON at the time of switching ON of the inverter, starting surge

current demanded by certain reactive devices like motors etc. will be reduced and

there will be less likelihood of the inverter shutting down due to overload.

• IftheinverterisswitchedONrstandthenaloadwithhigherstarting/inrush

current like SMPS / motor is switched ON, the voltage will dip momentarily and will

ramp up and reduce inrush / starting surge current in the load as above

• Similaroverloadreductionwillbeinitiatedduringanyothermomentaryoverload

condition

Low Interference Technology

Innovative circuit design and noise ltration circuitry reduces RF interference in TV pic-

ture, audio and radio equipment

Cool Surface Technology

Normally, heat dissipating components are mounted directly on internal metal chassis

surface of the inverter and hence, the chassis surface may rise to unsafe touch-tempera-

ture. In this inverter, heat-dissipating components are not mounted directly on the chas-

sis of the unit but on PCB (Printed Circuit Board) mounted heat sink and, there is air gap

between the heat sink and the chassis surface. The heat sink is cooled by fan. As there

is no direct contact between the heat sink and the chassis, the chassis surface remains

much cooler and is safer to touch.

Cooling Fan

A fan has been provided for cooling. It runs all the time.

PRINCIPLE OF OPERATION

Conversion of 12 VDC from the battery / other DC source to 115 VAC takes place in 2

stages. In the rst stage, the 12 VDC is converted to high voltage DC (around 160 VDC)

using high frequency switching and Pulse Width Modulation (PWM) technique. In the

2nd stage, the 160V high voltage DC is converted to 115V, 60 Hz Modied Sine Wave

AC. (Note: 115 V is the RMS value of the Modied Sine Wave AC voltage. The peak

value of the Modied Sine Wave AC voltage will be equal to the value of the above

high voltage of around 160V. See the Fig 2.1 below).

Modied Sine Waveform -

Charateristics & Comparison with Pure Sine Waveform

Please refer to Fig 2.1 below which shows one cycle of Modied Sine Wave and Pure

Sine Wave for comparison.

Fig 2.1 Modied Sine Wave and Pure Sine Wave - Comparison

The output waveform of the inverter is a Modied Sine Wave. In a Modied Sine Wave,

the voltage waveform consists of rectangular pulses that approximate sine wave pulses

of a Pure Sine Wave. The voltage rises and falls abruptly at a particular phase angle

and sits at 0 Volts for some time before changing its polarity. In a Pure Sine Wave, the

voltage rises and falls smoothly with respect to phase angle and the voltage changes its

polarity instantly when it crosses 0 Volts.

SECTION 2 | Introduction

TIME

180

160

140

120

100

120

140

160

180

Modified Sine

Wave sits at

0V for some

time and then

rises or falls

Sine Wave

Modified Sine Wave

Pure Sine Wave

crosses 0V

instantaneously

Legend

V +

V -

115 RMS

6 | SAMLEX AMERICA INC.

!CAUTION!

Certain devices (few examples given below) may malfunction when powered from

Modied Sine Wave. Check with the manufacturer of the device for suitability of

powering with Modied Sine Wave:

• Devicesutilizingzerovoltagecrossingfortimingcontrol:Someclocksusedincon-

sumer electronic items (will not keep accurate time)

• DevicesusingmodulationofRFsignalsonAClinesduringzerocrossinge.g.X-10

System for Home Automation

• DevicesutilizingTriacbasedphasecontrolfortransformerlessvoltagestepdown

e.g.:

• Smallbatterychargersforhandtools,ashlights,night-lights,shaversetc.

• Variablemotorspeedcontrolinhandtools

• Lightdimmers

• Temperaturecontrollerse.g.TemperatureControlledElectricBlankets

• Devicesusinghighcapacitancebasedvoltagemultipliersforgeneratinghigh

voltage (will create very high surge currents) e.g.:

• PhotographicStrobeLights

• LaserPrinters

Measuring Modied Sine-Wave Voltage with a “True RMS” Voltmeter

As mentioned above, Modied Sine Wave voltage is a type of square wave that has an

RMS (Root Mean Square) value of 115 VAC in this inverter. A general-purpose AC voltme-

ter is calibrated to accurately measure the RMS value of a Pure Sine Wave and NOT of a

Modied Sine Wave. If this general-purpose voltmeter is used to measure Modied Sine

Wavevoltage,itwillindicatealowervalue(96VACto104VAC).Foraccuratelymeasuring

the voltage of a Modied Sine Wave, use a voltmeter which is designed to measure “True

RMSValues”likeFluke87,Fluke8060A,Fluke77/99,Beckman4410etc.

SECTION 2 | Introduction

1. 12V Power Plug (Cigar Plug)

1A. Positive Contact Tip (with replaceable 10A fuse behind the tip)

2. NEMA5-15R AC Outlet

3. USBChargingPort-USB3.0,TypeA:5V,2.1A

4. GREEN status LED:

•ON-Normal

•OFF-Shutdownduetoactivationofprotection(s)

LEGEND

Fig 2.1: Layout

SECTION 3 | Layout

8 | SAMLEX AMERICA INC.

SECTION 4 | Operation

1. Make sure environment is cool and dry.

2. Plug the unit into the vehicle’s 12V Power Outlet.

3. Fully push and rotate the plug slightly to ensure good and rm connection.

4. Green Status LED light (#4, Fig 2.1) will switch ON, indicating normal operation of

inverterandUSBChargingPort.

5. Plug in the AC appliance.

6. DeviceswithUSBchargingcanbechargedusinghighpowerUSBChargingPort-

USB3.0,TypeA:5V,2.1A.

The vehicle’s 12V Power Outlet must provide between 10.8 and 15.4 VDC. To obtain a

rough estimate of the current (in Amperes) drawn from the battery, divide the power

consumption of the load (in Watts AC) by 10.

Example: lf a load is rated at 80 watts AC, the current drawn from 12V battery will be

80W divided by 10 = 8 Amperes.

Testing is the only denitive way to determine whether a specic load can be started

and how long it can run. The unit will shut down if it is overloaded.

!CAUTIONS!

1. Check the maximum supply current of your vehicle’s 12V Power Outlet by referring

to your vehicle’s owner manual.

2. The unit must be connected only to batteries with a nominal output voltage of

12 volts. The unit will not operate from a 6 volt battery, and will sustain permanent

damage if connected to a 24 volt battery.

3. DO NOT use with Positive Ground electrical systems. (The majority of modern auto-

mobiles, RVs, and trucks are Negative Ground).

NOTE: When the inverter shuts down due to activation of protection, the GREEN Status

LED (#4, Fig 2.1) will switch OFF.

1. OVER TEMPERATURE PROTECTION – If the temperature inside the unit is too high,

the unit will automatically shut down. Allow the unit to cool for at least 30 minutes

beforerestartingafteraheat-relatedshutdown.Unplugunitwhilecooling.

2. LOW BATTERY VOLTAGE PROTECTION - The unit automatically shuts down when

input voltage drops to around 10.5V ± 0.3V. Automatic reset at 11.5V ± 0.3V.

3. OVER VOLTAGE PROTECTION – The unit will automatically shut down when the

input voltage exceeds 15.4V ± 0.2V.

4. OVERLOAD PROTECTION – The unit will automatically shut down when the continu-

ous surge/draw exceeds rated watts. Will remain latched in shut-down condition. To

reset, unplug the unit from the 12V Power Outlet, wait for 3 minutes and then plug

it back in rmly.

5. SHORTCIRCUIT PROTECTION – The unit will shut down. Will remain latched in

shut-down condition. To reset, unplug the unit from the 12V Power Outlet, wait

for 3 minutes and then plug it back in rmly.

6. GROUND FAULT PROTECTION – This unit complies with the standard current leakage

allowance. When large current leakage to Ground Terminal occurs, the protection

circuit is activated and shuts down the unit. Will remain latched in shut-down

condition. To reset, unplug the unit from the 12V Power Outlet, wait for 3 minutes

and then plug it back in rmly.

If the unit is overloaded, and the GREEN Status LED (#4, Fig 2.1) is not lit, the internal

fuse in the top of the 12V Power Plug portion may be blown.

1.Unscrewthefuseholdercap(counterclockwise)

2. Remove the end contact, cap and fuse.

3. Inspect the fuse to see if it is good or blown.

4. Replace with a new fuse of same type, same dimension and same Ampere rating:

10A, 250V, Fast-acting; Dimensions: 0.25” x 1.25”; Type: AGC-10

5. Carefully reassemble the fuse, end contact and cap.

!CAUTION!

NO USER-SERVICEABLE COMPONENTS INSIDE. DO NOT ATTEMPT TO

OPEN THE PRODUCT.

SECTION 5 | Protective Features

SECTION 6 | Fuse Replacement

10 | SAMLEX AMERICA INC.

INVERTER PARAMETER SAM-100-12

INPUT

BATTERY SYSTEM VOLTAGE 12 VDC

NOMINALINPUTVOLTAGE 13.8 VDC

INPUTVOLTAGERANGE 10.8 VDC to 15.4 VDC

NOLOADCURRENT 0.3A ± 0.1A

OUTPUT

OUTPUTVOLTAGEWAVEFORM Modied Sine Wave

OUTPUTVOLTAGE 115VAC+10%/-2%

OUTPUTFREQUENCY 60Hz±5%

OUTPUTPOWER,CONTINUOUS(RESISTIVELOAD) 100W

OUTPUTPOWER,SURGE(<1SEC.,RESISTIVELOAD) 200W

PEAKEFFICIENCY(AT50%OFCONTINUOUSPOWER) 90%

USBCHARGINGPORT USB3.0,ConnectorType"A":5VDC,2.1A

PROTECTIONS

LOWINPUTVOLTAGESHUTDOWN 10.5 VDC.± 0.3VDC. Auto reset at

11.5 VDC. ± 0.3VDC

HIGHINPUTVOLTAGESHUTDOWN 15.4 VDC.± 0.2VDC. Auto reset at

15.0 VDC.± 0.2VDC

OVERLOADANDGROUND

FAULTSHUTDOWN

Yes. Latches in shutdown condition. Manual

reset: Remove the inverter from the 12V

Power Outlet. Wait for 3 min and re-insert

rmly.

OVERTEMPERATURESHUTDOWN Yes. Auto reset on cooling down.

COOLING FAN 1 - Always ON.

INPUTFUSE:INSIDETOPOFTHE12VPOWER

PLUGPORTION

10A, 250V (Fast Acting, Type AGC-10;

Dimensions:0.25"x1.25")

CONNECTIONS

DCINPUTCONNECTION 12 V Power Plug (Cigar Plug)

ACOUTPUTCONNECTION One NEMA5-15R Outlet

MONITORING

STATUSINDICATION GREENLED:ON-NORMAL;OFF-SHUT

DOWN

GENERAL

OPERATINGTEMPERATURERANGE 0°Cto25°C/32°Fto77°Fat100%loading;

26°Cto35°C/78.8°Fto95°Fat80%loading

OPERATINGHUMIDITY <80%;Non-condensing

SECTION 7 | Specications

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