Cotek SK120 Series User Manual
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Cotek SK120 Series User Manual

Pure sine wave inverter
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SK120,SK200,SK350 Series
Pure Sine Wave Inverter
User's Manual

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Summary of Contents for Cotek SK120 Series

  • Page 1 SK120,SK200,SK350 Series Pure Sine Wave Inverter User’s Manual...

  • Page 2: Table Of Contents

    11~12 Quick hook – up and Testing.………………………………………... 12~13 AC Safety Grounding………………………………………………….. 13~14 4. Maintenance…………………………………………………………………… 5. Warranty……………………………………………………………………….. Copyright This manual is the copyright of COTEK Electronic lnd. Co., Ltd. Be not allowed to reproduc or copy without permission of the owner.

  • Page 3: Important Safety Information

    1. Important Safety Information WARNING! Before installing and using the Inverter, you need to read the following safety information carefully. 1-1. General Safety Precautions 1-1-1. Do not expose the Inverter to water, mist, snow, or dust. To reduce the risk of hazard, do not cover or obstruct the ventilation shaft. Do not install the Inverter in a zero-clearance compartment to avoid overheating occurred.

  • Page 4: Features

    2. Features Pure sine wave output (THD < 3%) Output frequency 50 / 60Hz switch selections Input & output completely isolated design High efficiency 84~94% Capable of driving inductive & capacitive loads at the start moment. A LED Indicator with twin color displays all operation status. Loading and temperature controlled cooling fan.

  • Page 5: Electrical Performance

    2-1. Electrical Performance Specification Model No. Item SK120-112 SK120-124 SK120-148 SK120-212 SK120-224 SK120-248 Continuous Output Power 120W Maximum Output Power (3Min.) 150W Surge Rating 240W Input voltage 12Vdc 24Vdc 48Vdc 12Vdc 24Vdc 48Vdc 100 / 110 / 120Vac +/- 5% 220 / 230 / 240Vac +/- 3% Output Voltage...
  • Page 6 Specification Model No. Item SK200-112 SK200-124 SK200-148 SK200-212 SK200-224 SK200-248 Continuous Output Power 200W Maximum Output Power (3Min.) 230W Surge Rating 400W Input voltage 12Vdc 24Vdc 48Vdc 12Vdc 24Vdc 48Vdc Output Voltage 100 / 110 / 120Vac +/- 5% 220 / 230 / 240Vac +/- 3% Frequency 50 / 60Hz +/- 0.05%...
  • Page 7 Specification Model No. Item SK350-112 SK350-124 SK350-148 SK350-212 SK350-224 SK350-248 Continuous Output Power 350W Maximum Output Power (3Min.) 400W Surge Rating 700W Input voltage 12Vdc 24Vdc 48Vdc 12Vdc 24Vdc 48Vdc Output Voltage 100 / 110 / 120Vac +/- 5% 220 / 230 / 240Vac +/- 3% Frequency 50 / 60Hz +/- 0.05%...

  • Page 8: Mechanical Drawing For Pp75 Type

    2-2. Mechanical Drawing For PP75 Type POWER STATUS 50Hz FREQ. 60Hz AC OUTPUT...

  • Page 9: Mechanical Drawing For Strip Type

    2-3. Mechanical Drawing For Strip Type POWER STATUS 50Hz FREQ. 60Hz AC OUTPUT...

  • Page 10: Instructions

    3. Instructions This power inverter series is one of the most advanced line of the mobile AC power systems. To get the most effective power inverter, it must be installed and used properly. Please read the instructions of this manual before you install and operate this model.
  • Page 11 3-1-4. AC Output (available Sockets) North America (GFCI) NEMA 5-20R Continental European Australia / New Zealand Universal United Kingdom IEC-2 3-1-5. DC Input (available type) CIGARET PP75 STRIPPED WIRE...

  • Page 12: Rear Panel Operation

    3-2. Rear Panel Operation POWER DC INPUT REMO. REMOTE PORT CHASSIS GROUND DC INPUT POWER REMO. REMOTE PORT CHASSIS GROUND 3-2-1. ON / OFF/Remote (Main) switch . 3-2-1-1. Before installing the inverter, you need to ensure the main switch must be “OFF”. 3-2-1-2.

  • Page 13: Installation

    NOTE: At the same time, only can use one model to control the inverter. The maximum level is the same as input DC voltage. 3-2-2. Ventilation Shaft Be sure to keep it a distance (at least 1 inch) away form surrounding materrals.

  • Page 14: Quick Hook - Up And Testing

    3-3-4. Ventilated – Keep the inverter a distance (at least one inch) away from surrounding things. Ensure the ventilation shafts are set on the rear and the bottom of the unit, and will not be obstructed. 3-3-5. Dust free – Do not install the Inverter in a dusty environment. The dust will be inhaled into the unit when the cooling fan is working.

  • Page 15: Ac Safety Grounding

    3-4-3. Must be sure that the cable you connected is not the negative output power source ( BLACK wire) of the inverter by your further operating. CAUTION ! Reverse polarity connection will blow the fuse of the inverter and may damage the inverter permanently . It will be not regarded as warranty if the damage is caused by reverse polarity connection.
  • Page 16 Inverter is equivalent to the waveform provided by utilities, UL compliance requires testing and recommending the specific GFCI. Cotek has tested the following GFCI – protected 20A receptacles and found that they functioned properly when connected to the output of the Inverter.

  • Page 17: Maintenance

    1 2 months from the date of purchase and will repair or replace any defective power inverters if you directly return them to us with postage paid. Please note that Cotek is only responsible for ensuring our products are operational before delivering.
  • Page 18 2006/02A...

This manual is also suitable for:

Sk200 seriesSk350 series

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