Samlexpower PST-150S-24E Owner's Manual

Please read this manual before operating your inverter.PURE SINE WAVE DC-AC INVERTERMODELS: PST-150S-12APST-150S-24AAC POWER SOURCEOWNER'S MANUAL

Page 9AC POWER DISTRIBUTION AND GROUNDINGCAUTION! PLEASE NOTE THAT THE AC OUTPUT CONNECTIONS AND THE DCINPUT CONNECTIONS ON THIS INVERTER ARE NOTCONNE

Page 10Grounded Electrical Power Distribution SystemThe National Electrical Code (NEC) requires the use of a “grounded electrical distribu-tion system

Page 11Grounding to earth or to other designated groundFor safety, the metal chassis of the inverter is required to be grounded to the earth ground or

Page 12POWERING DIRECT / EMBEDDED SWITCHEDMODE POWER SUPPLY (SMPS)Non-linear nature of current drawn by Switched Mode Power SuppliesPower supplies are

Page 13LAYOUTPRINCIPLE OF OPERATIONThe inverter converts the rated DC voltage of the battery to 120 V, 60 Hz. AC voltage.The voltage conversion takes

SPECIFYING BATTERIES, CHARGERS & ALTERNATORSThe inverter will require Deep Cycle Lead Acid Batteries of appropriate capacity.Lead-acid batteries c

Typical battery sizesBelow is a chart of some battery sizes applicable for powering inverters:BCI * Group Battery Voltage, V Battery AH27 / 31 12 1054

Depth of discharge and battery lifeThe more deeply a battery is discharged on each cycle, the shorter the battery life. Usingmore batteries than the m

Page 17Sizing the Inverter Battery BankOne of the most frequently asked question is, “how long will the batteries last?’. Thisquestion cannot be answe

For the above example, the 12 V batteries may be selected as follows:- Use 6 Group 27/31, 12 V, 105 AH batteries in parallel to make up 630 AH, or-

INDEXSafety Instructions ... 2,3Inverters - General Informat

INSTALLATIONPage 19GENERALInstallation and wiring compliance- Installation and wiring must comply with the local and the national electrical codes an

Page 20Precautions when working with batteries.- Batteries contain very corrosive diluted sulphuric acid as electrolyte. Precautionsshould be taken to

Page 21The DC input circuit is required to handle very large DC currents and hence, the size ofthe cables and connectors should be selected to ensure

Page 22Reducing RF interferenceTo reduce the effect of radiated interference, twist the DC side cables. To furthur reduce RFinterference, shield the c

Page 23AC output connectionsThe inverter uses (3) NEMA 5-15R receptacles for connecting the AC output to devicesand appliances fitted with a NEMA 5-15

OPERATIONPage 24Powering on the loadsAfter the inverter is switched on, it takes a finite time for it to become ready to deliverfull power. Hence, alw

PROTECTIONS AGAINST ABNORMAL CONDITIONSPage 25Switching on / off using the optional remote on / off Remote ControlAn optional corded Remote Control Mo

Page 26Shut-down due to high DC input voltage. If the voltage at the DC input terminalsexceeds 16.5 V for PST-150S-12A or 33 V for PST-150S-24A, the i

TROUBLESHOOTING GUIDESYMPTOMOn switching on, the green LED doesnot light. Buzzer is off. There is no ACvoltageLow AC output voltage(No buzzer alarm)Bu

SYMPTOMThe AC output shuts down completely.The red overload LED is lighted.The green LED is offBuzzer alarm is sounded.Red Over Temp LED is on.There i

Page 2SAFETY INSTRUCTIONSPlease read these instructions before installing or operating the inverter to prevent personalinjury or damage to the inverte

Page 29Input Voltage ...10.7 to 16.5 VDC...21.4 to 33 V DCInput Current at No Load...

2 YEAR Limited WarrantyThe PST-150S-12A/PST-150S-24A manufactured by Samlex America, Inc. ( the “ Warrantor “ ) iswarranted to be free from defects in

110-17 Fawcett Road, CoquitlamB.C., Canada V3K 6V2e-mail: [email protected]: www.samlexamerica.comVersion PST-150S-12A_24A (July2005)

Page 3INVERTER RELATEDPreventing paralleling of the AC outputThe AC output of this inverter cannot be synchronised with another AC source and hence, i

INVERTERS - GENERAL INFORMATIONWhy an inverter is neededThe utility grid supplies you with alternating current (AC) electricity. AC is the standardfor

Page 5Loads that require “surge power” to startResistive types of loads (like incandescent lamps, toaster, coffee maker, electric range,iron etc) do n

Page 6Power rating of MicrowavesThe power rating of the microwave generally refers to the cooking power. The electricalpower consumed by the microwave

Page 7CHARACTERISTICS OF SINUSOIDAL AC POWERVoltage, current, power factor, types of loadsThe voltage waveform of 120 VAC, 60 Hz mains / utility power

Page 8ADVANTAGES OF A PURE SINE-WAVE INVERTEROVER A MODIFIED SINE-WAVE INVERTERThe output voltage of a sine-wave inverter has a sine wave-form like th