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seCtIOn 3  |  

Installation & Operation

PRotectionS 

overload and short circuit on the Ac output side

-  If the load exceeds 120W, the output voltage will start dropping, but the unit will 

NoT shut down. 

-  The LeD Status Indicator (2, fig. 2.1) will remain GreeN.

-

 

The output voltage waveform will be distorted and will not have pure sine waveform, 
but will be clipped at top and bottom and will look like a square waveform. 

-  There will be excessive rf noise. 

-  The until will reset automatically once the overload/short circuit is removed.

over temperature due to fan failure or due to lack of cool replacement air

-  The unit will shut down if temperature of hot spot inside the unit > 105°C. The LeD 

Status Indicator (2, fig. 2.1) will turn orANGe.

-  The unit will reset automatically on cooling. 

Low Dc input Voltage

-  The unit will shut down if DC input voltage is < 10 VDC. 

-  The LeD Status Indicator (2, fig. 2.1) will turn orANGe.

-  The unit will reset automatically when the voltage rises to 11.5 VDC.

High Dc input Voltage

-  The unit will shut down if DC input voltage > 16.5 VDC. 

-  The LeD Status Indicator (2, fig. 2.1) turns orANGe.

-  The unit will reset automatically when voltage is < 16.5 VDC.

over Voltage on USB Port

-  USb output is shut down if USb output ≥ 6.2 VDC. 

-  The LeD Status Indicator (2, fig. 2.1) will be off or reD.

operational conditions indicated by the LeD Status Indicator (2, fig. 2.1) are given in  
the following table: 

Summary of Contents for PST-120-12

Page 1: ...DC AC Inverter Pure Sine Wave 120 Watt PST 120 12 Please read this manual before installing your Inverter Owner s Manual...

Page 2: ...ou return your inverter to a qualified dealer for any service or repair Incorrect assembly may result in electric shock or fire 3 To reduce the risk of electric shock unplug the DC input from the batt...

Page 3: ...burn If you need to remove a battery always remove the Negative Ground Terminal from the battery first Make sure that all the accessories are off so that you do not cause a spark CAUTIONS 1 Please ref...

Page 4: ...3 color LED indicator for operational status Temperature controlled fan for higher efficiency Detachable DC Power Cord with 12V Power Plug For use with small laptops portable electronics small TVs VCR...

Page 5: ...Connector 11 Slots for Fan Discharge Fan is located behind the slots LEGEND 4 Slots for Fan Suction 5 DC Input Fuse Automotive Mini Blade Type 32V 15A 6 Battery Modular Inlet Connector for DC Input P...

Page 6: ...er cord 7 Fig 2 3 by sliding the mating Battery Modular connector 10 Fig 2 3 into the DC input connector 6 Fig 2 2 Plug in the 12V Plug Adaptor 8 Fig 2 3 of the DC input cord into the 12V outlet of th...

Page 7: ...air The unit will shut down if temperature of hot spot inside the unit 105 C The LED Status Indicator 2 Fig 2 1 will turn Orange The unit will reset automatically on cooling Low DC Input Voltage The...

Page 8: ...the following protections Over temperature Low DC input voltage High DC input voltage No output from USB port due to Over voltage 6 2V USB section is defective Section 3 Installation Operation Cooling...

Page 9: ...COLOR LED For Operational Conditions PROTECTIONS LOW DC INPUT VOLTAGE Shutdown at 10V Auto reset at 11 5V HIGH DC INPUT VOLTAGE Shutdown at 16 5V Auto reset at 16 5V SHORT CIRCUIT OVERLOAD Output vol...

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