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1000 Watt

Pure Sine Wave

DC-AC Inverter

PST-100S-12A

PST-100S-24A

Owner's

Manual

Please read this

manual before

operating your

DC-AC inverter.

Содержание PST-100S-12A

Страница 1: ...1000 Watt Pure Sine Wave DC AC Inverter PST 100S 12A PST 100S 24A Owner s Manual Please read this manual before operating your DC AC inverter ...

Страница 2: ...n and Grounding 9 10 11 Limiting Electromagnetic Interference EMI 11 Powering direct embedded SMPS 12 Principle of Operation 13 Layout 13 Specifying Batteries Chargers and Alternators 14 15 16 17 18 Installation 19 20 21 22 23 Operation 24 25 Protection Against Abnormal Conditions 25 26 Troubleshooting Guide 27 28 Specifications 29 Warranty 30 INDEX Page 1 ...

Страница 3: ...an To ensure proper ventilation do not install in a low clearance compartment Preventing fire and explosion hazards Working with the inverter may produce arcs or sparks Thus the inverter should not be used in areas where there are inflammable materials or gases requiring ignition protected equipment These areas may include spaces containing gasoline powered machinery fuel tanks battery compartment...

Страница 4: ...e transformer isolated or auto transformer of suitable wattage rating 25 more than the wattage rating of the inverter with primary of 120 VAC and secondary of 120 240 VAC Two 120 VAC split phases 180 degrees apart should be used The hot and neutral of the 120 VAC output of the inverter should be fed to the primary of this transformer and the 2 hot outputs 120 VAC split phases and the neutral from ...

Страница 5: ...able for use in buildings including homes for recreational vehicles boats and portable applications Will it be connected to the utility grid in some way Electrical conventions and safety standards differ for various applications so don t improvise Electrical Standards The DC input voltage must conform to that of the electrical system and battery bank 12 volts is recommended for small simple system...

Страница 6: ...ter will further limit its ability to start a motor A battery bank that is undersized in poor condition or has corroded connections can be a weak link in the power chain The inverter cables and the battery interconnect cables must be sized properly The spike of DC current through these cables is many hundreds of amps at the instant of motor starting Please follow the instructions under Installatio...

Страница 7: ...20 VAC To obtain 240 VAC from a 120 VAC inverter use a 120 VAC to 240 VAC transformer If you do not already have a pump installed you can get a 120 volt pump if you don t need more than 1 2 HP Idle power Idle power is the consumption of the inverter when it is on but no loads are running It is wasted power so if you expect the inverter to be on for many hours during which there is very little load...

Страница 8: ...d for resistive type of loads that have unity 1 Power Factor In a reactive type of load like electric motor driven loads fluorescent lights computers audio video equipment etc the phase of the sine wave form of the current drawn by the load may lead or lag the sine wave form of the AC voltage source In this case the power factor of reactive loads is lower than unity 1 generally between 0 8 and 0 6...

Страница 9: ... wave form is a sine wave with very low harmonic distortion and clean power like utility supplied electricity Inductive loads like microwaves and motors run faster quieter and cooler Reduces audible and electrical noise in fans fluorescent lights audio amplifiers TV fax and answering machines Prevents crashes in computers weird print outs and glitches in monitors Some examples of devices that may ...

Страница 10: ...he neutral conductor in AC wiring and the negative conductor in many DC systems A grounded system is a system in which one of the current carrying conductors is grounded An equipment grounding conductor is a conductor that does not normally carry current except under fault conditions and is also connected to earth It is used to connect the exposed metal surfaces of electrical equipment together an...

Страница 11: ...es Single phase 120 VAC 60 Hz AC devices and appliances use 2 pole 3 wire grounding configuration for connection to the AC power source The plug of the power cord has three pins two flat pins also called poles that are connected to the two current carrying conductors and a round pin which is connected to a non current carrying conductor this will carry current only during ground fault conditions O...

Страница 12: ...t be tight against bare metal Use star washers to penetrate paint and corrosion The inverter contains internal switching devices which generate conducted and radiated electromagnetic interference EMI The magnitude of EMI is limited to acceptable levels by circuit design but can not be entirely eliminated The effects of EMI will also depend upon a number of factors external to the power supply like...

Страница 13: ...of up to 4 This will mean that for a particular rated RMS current applicable for a linear load the general purpose SMPS will draw much larger peak currents approx up to 4 times more than its rated RMS current Inverters are protected against over current also called overloading by either clipping the peaks of the output voltage this will result in a sine wave becoming a square wave reduction in the...

Страница 14: ... AC again using PWM technique This is done by using a special wave shaping technique where the high voltage DC is switched at a high frequency and the pulse width of this switching is modulated with respect to a reference sine wave 1 120V AC output receptacles 2 Power on off Switch 3 Green L E D Power output status 4 Red L E D Overload 5 Red L E D Over temperature 6 Input terminals back of unit no...

Страница 15: ...of deep cycle lead acid batteries wet and sealed A wet cell battery has a high tolerance to overcharging However it will release hydrogen gas when charging that must be properly vented and the water level must be checked frequently Sealed batteries can either be Gel Cell or AGM Absorbed Glass Mat Both the Gel Cell and AGM are maintenance free have no liquid to spill and gassing is minimal The Gel ...

Страница 16: ...p is not linear but is more or less according to the table below Table 1 Battery Capacity versus Rate of Discharge Hours of Discharge Usable Capacity 20 100 10 87 8 83 6 75 5 70 3 60 2 50 1 40 Using the above table will show that a 100 AH capacity battery will deliver 100 i e full 100 AH capacity if it is slowly discharged over 20 hours at the rate of 5 Amperes However if it is discharged at a rat...

Страница 17: ...llel connection of batteries When two or more batteries are connected in series their voltages add up but their AH capacity remains the same For example when two 12 V 105 AH batteries are connected in series it becomes a 24 V 105 AH battery Positive of the first battery is the positive terminal of the series connection The negative of the first battery is connected to the positive of the second ba...

Страница 18: ...s A from the AC watts as per formulae 2 above An example of this calculation for a 12V inverter is given below Let us say that the total AC Watts delivered by the12 V inverter 1000 W Then using formula 2 above the DC current to be delivered by the 12 V batteries 1000 W 10 100 Amperes Next the energy required by the load in Ampere Hours AH is determined For example if the load is to operate for 3 h...

Страница 19: ...hese two sets of batteries through a battery isolator of appropriate capacity The battery isolator is a device that will allow the alternator to charge the two sets of batteries when the engine is running The isolator will allow the inverter to be operated from the auxiliary batteries and also prevent the SLI battery from charging the auxiliary deep cycle batteries when the engine is not running B...

Страница 20: ... cool dry environment Do not expose to moisture rain snow or liquids of any type To reduce the risk of overheating and fire do not obstruct the suction and discharge openings of the cooling fans To ensure proper ventilation do not install in a low clearance compartment Working with the inverter may produce arcs or sparks Thus the inverter should not be used in areas where there are inflammable mat...

Страница 21: ... the following precautions Ensure that the maximum charging voltage of the battery charger alternator solar charge controller is below 16 5 VDC for PST 100S 12A or 33 VDC for PST 100S 24A Do not use unregulated solar panels to charge a battery Under cold ambient temperatures the output of the solar panel may exceed 18 V for 12V system or 36 V for 24V system Always use a charge controller between t...

Страница 22: ...taken as 2 times the distance between the inverter and the battery assuming that two one positive and one negative cables are used for the connection Distance up to 4 Distance up to 6 Ampere rating of battery fuse PST 100S 12A AWG 2 AWG 1 0 200A PST 100S 24A AWG 8 AWG 6 100A CAUTION The input section of the inverter has large value capacitors connected across the input terminals As soon as the DC ...

Страница 23: ...erter and this panel is also required to be powered from additional alternate AC sources the AC power from all the AC sources like the utility generator inverter should first be fed to a manual selector switch and the output of the selector switch should be connected to the electrical breaker panel load center To prevent possibility of paralleling and severe damage to the inverter never use a simp...

Страница 24: ...cts people from electric shock by detecting leakage and cutting off the AC source Installation in recreation vehicles RV may require GFCI protection on the AC output In addition electrical codes may require GFCI protection for certain residential applications GFCI protection has been built in on the main printed circuit board PCB of the unit Grounding to earth or to other designated ground Please ...

Страница 25: ...ide circuit will still be alive even when the switch is in the off position Hence disconnect the DC and AC sides before working on any circuits connected to the inverter When the inverter is switched on the green LED indicator 3 will be lighted This LED indicates that the inverter is operating normally Under normal operating conditions AC output voltage will now be available at the output receptac...

Страница 26: ...n provided with protections detailed below Low DC input voltage warning alarm The voltage at the DC input terminals will be lower than the voltage at the battery terminals due to the voltage drop in the battery cables and connectors The drop in the voltage at the DC input terminals of the inverter could be due to lower battery voltage or due to abnormally high drop in the cables if the cables are ...

Страница 27: ...COVERED BY WARRANTY Shut down due to over temperature In case of failure of the cooling fan or in the case of inadequate heat removal due to higher ambient temperatures insufficient air exchange the temperature inside the unit will increase The temperature of a critical hot spot inside the inverter is monitored and at a particular upper limit the AC output of the inverter is shut down temporarily ...

Страница 28: ...t all connections in the battery input circuit are tight Visibly check the fuse element if it is blown The fuses may be soldered and may not be easily replaceable Call Technical Support for repair 1 Check that the battery is fully charged Recharge if low 2 Check that the battery cables are thick enough to carry the required current over the required length Use thicker cables if required 3 Tighten ...

Страница 29: ...r resetting and removing the load completely the unit has become defective Call Technical support 1 Check for ground fault in the load circuit A ground fault will cause a minor shock on touching Note The unit will be latched in this shut down condition To reset switch the power on off switch to off and then on again Before switching on again remove the cause of the shut down 1 Check that the fan i...

Страница 30: ...type of loads will reduce by this factor See page 7 for details Low Input Voltage Warning Alarm 10 7 V 21 4 V Low Input Voltage Shut down 10 V 20 V High Input Voltage Shut down 16 5 V 33 V Operating Ambient Temp 0 to 40o C 5o C 0 to 40o C 5o C Peak Efficiency 85 85 Cooling Temperature Controlled Fan Connections Input Tubular type screw down terminals Output 2 x Standard North American Outlet NEMA ...

Страница 31: ...y attempt to remedy the defect by anyone other than the Warrantor shall render this warranty void There shall be no warranty for defects or damages caused by faulty installation or hook up abuse or misuse of the equipment including exposure to excessive heat salt or fresh water spray or water immersion No other express warranty is hereby given and there are no warranties which extend beyond those ...

Страница 32: ...34 2009 010_PST 100 12A_PST 100 24A_Jan2010 e mail samlex samlexpower com website www samlexpower com 110 17 Fawcett Rd Coquitlam B C Canada V3K 6V2 T 604 525 3836 F 604 525 5221 Toll Free 1 800 561 5885 ...

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