Cotek SK700-112 User Manual
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Cotek SK700-112 User Manual

Sk series pure sine wave inverter
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Pure Sine Wave Inverter
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Summary of Contents for Cotek SK700-112

  • Page 1 SK Series Pure Sine Wave Inverter User’s Manual...

  • Page 2: Table Of Contents

    Table of Contents 1. Important Safety Information.……………………………………………… General Safety Precautions…………………………………………… Battery Precautions………………………..………………………….. 2. Features………………………………………………………………………... Application………………………………………………………………. Electrical Performance………………………………………………… Mechanical Drawings………………………………………………….. 3. Introduction…………………………………………………………………… Front Panel operation….……………………………………………... 10~13 Rear Panel operation.………………………………………………… 14~15 Protections Features…………………………………………………… Installation………………………………………………………………. Making DC Wiring Connections ……………………………………... 17~19 AC Safety Grounding………………………………………………….. Inverter Operation………………………………………………………...

  • Page 3: Important Safety Information

    1. Important Safety Instructions WARNING! Before using the Inverter, read and save the safety instructions. 1-1. General Safety Precautions 1-1-1. Do not expose the Inverter to rain, snow, spray, bilge or dust. To reduce risk of hazard, do not cover or obstruct the ventilation openings.

  • Page 4: Features

    2. Features Pure sine wave output (THD < 3%) Output frequency：50 / 60Hz switch selections Input & output fully isolated design Power Saving Mode to conserve energy High efficiency 89~94% Driving highly reactive & capacitive loads at start moment Tri-Color indicators show input voltage & output load level Loading controlled cooling fan Advanced microprocessor Protection：Input low voltage...

  • Page 5: Electrical Performance

    2-2. Electrical Performance Model No. Specification Item SK700-112 SK700-124 SK700-148 SK700-212 SK700-224 SK700-248 Input voltage 100 / 110 / 120V +/- 5% 220 / 230 / 240V +/- 3% Output Voltage Frequency 50 / 60Hz +/- 0.05% (Switch Selections) <...
  • Page 6 Model No. Specification Item SK1000-112 SK1000-124 SK1000-148 SK1000-212 SK1000-224 SK1000-248 Input voltage 100 / 110 / 120V +/- 5% 220 / 230 / 240V +/- 3% Output Voltage Frequency 50 / 60Hz +/- 0.05% (Switch Selectable) < Efficiency (full load) Max. 89.0% 92.0% 93.0%...
  • Page 7 Model No. Specification Item SK1500-112 SK1500-124 SK1500-148 SK1500-212 SK1500-224 SK1500-248 Input voltage 100 / 110 / 120V +/- 5% 220 / 230 / 240V +/- 3% Output Voltage Frequency 50 / 60Hz +/- 0.05% (Switch Selectable) < Efficiency (full load) Max. 88.0% 91.0% 92.0%...
  • Page 8 Model No. Specification Item SK2000-112 SK2000-124 SK2000-148 SK2000-212 SK2000-224 SK2000-248 Input voltage 100 / 110 / 120V +/- 5% 220 / 230 / 240V +/- 3% Output Voltage Frequency 50 / 60Hz +/- 0.05% (Switch Selectable) < Efficiency (full load) Max. 89.0% 92.0% 93.0%...
  • Page 9 Model No. Specification Item SK3000-112 SK3000-124 SK3000-148 SK3000-212 SK3000-224 SK3000-248 Input voltage 100 / 110 / 120V +/- 5% 220 / 230 / 240V +/- 3% Output Voltage Frequency 50 / 60Hz +/- 0.05% (Switch Selectable) < Efficiency (full load) Max. 88.0% 91.0% 92.0%...

  • Page 10: Mechanical Drawings

    2-3. Mechanical Drawings SK700 151.00[5 94] SK1000 154.00 [6.06] SK1500 163.00[6.42] PURE SINE WAVE INVERTER 1000W INPUT LEVEL LOAD LEVEL STATUS REMOTE FREQ. PWR. SAV. AC OUTPUT SK700 179.00[7.05] SK1000 182.00[7.17] SK1500 191.00[7.52]...
  • Page 11 177.00 [6.97] PURE SINE WAVE INVERTER REMO. INPUT LEVEL LOAD LEVEL STATUS FREQ. PWR. SAV. AC OUTPUT 209.00 [8.23]...

  • Page 12: Introduction

    3. Introduction This power inverter series is one of the most advanced line of 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 13 3-1-3. Input Level：Display Input Voltages LED Status DC 12V DC 24V DC 48V RED Slow Blink 10.3~10.6 20.5~21.2 40.8~42.4 10.6~11.0 21.2~21.8 42.4~43.5 ORANGE 11.0~12.1 21.8~24.1 43.5~48.1 GREEN 12.1~14.2 24.1~28.6 48.1~56.3 ORANGE Blink 14.2~15.0 28.6~30.0 56.3~59.6 OVER RED Blink 15.0 30.0 59.6 3-1-4.
  • Page 14 3-1-6. Status：Display Power & Fault Status Green LED LED Signal Status Solid Power OK Slow Blink Power Saving Red LED LED Signal Status n i l n i l Intermittent Blink d i l 3-1-7. Power Saving Mode: Power Saving Mode is adjustable and set by the Dip Switches, S1, S2 and S3 on the front panel.
  • Page 15 3-1-8. AC outlets (available): North America (GFCI) NEMA 5-20R Continental European NEMA 5-15R Australia / New Zealand United Kingldom Universal IEC-1 HARD WIRE IEC-2...

  • Page 16: Rear Panel Operation

    3-2. Rear Panel Operations： DC INPUT POS(+) NEG(-) SK700 SK1000 REMOTE PORT SK1500 CHASSIS GROUND REVERSE POLARITY WILL DAMAGE UNIT SK2000 SK3000 POS(+) DC INPUT NEG(-) REMOTE WARNING: PORT REVERSE POLARITY WILL DAMAGE UNIT CHASSIS SHOCK HAZARD. GROUND DO NOT OPEN. NO USER SERVICEABLE PARTS INSIDE.

  • Page 17: Protections Features

    3-2-3. DC Input Terminal： Connect DC input terminal to 12V / 24V / 48V battery or the other power sources. 【＋】represents positive, and【－】represents negative. Reverse polarity connection will blow the internal fuse and may damage the inverter permanently. DC Input Voltage Model Minimum Maximum...

  • Page 18: Installation

    3-4. Installation： The power inverter should be installed in an environment that meets the following requirements： 3-4-1. Dry – Do not allow water to drip on or enter into the inverter. 3-4-2. Cool – Ambient air temperature should be between 0℃ and 40℃, the cooler the better.

  • Page 19: Making Dc Wiring Connections

    The longer and narrower the cables, the greater the voltage drop. Increasing DC cable size helps improve the situation. COTEK recommends the following cables for optimum inverter performance. (Apply both 120V and 230V versions ) Model No...
  • Page 20 3-5-1. Connect the cables to the power input terminals on the rear panel of the inverter. The red terminal is represents positive (+) and black terminal represents negative (-). Insert the cables into the terminals and tighten the screw to clamp the wires securely. WARNING! Ensure all the DC connections are tight (torque to 9 –...
  • Page 21 SK700 SK1000 SK1500 DC INPUT POS(+) NEG(-) REMOTE PORT CHASSIS GROUND INLINE FUSE BATTERY SK2000 Battery to inverter cable connection SK3000 POS(+) DC INPUT NEG(-) REMOTE WARNING: PORT REVERSE POLARITY WILL DAMAGE UNIT CHASSIS SHOCK HAZARD. GROUND DO NOT OPEN. NO USER SERVICEABLE PARTS INSIDE.

  • Page 22: Ac Safety Grounding

    UL standards requires us to test and recommend 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 23: Inverter Operation

    3-7. Inverter Operation： To operate the power inverter, use the ON / OFF switch on the Front panel to turn the power on. Then the power inverter is ready to deliver AC power to your loads. If there is several loads use, turn them on separately after the inverter is “ON”...

  • Page 24: Troubleshooting Guide

    4. Troubleshooting： WARNING! Do not open or disassemble the Inverter. Attempting to service the unit yourself may cause the risk of electrical shock or fire. Problems and Symptoms Possible Cause Solutions “No AC Power Output” STATUS illuminates the red LED a.

  • Page 25: Maintenance

    24 months from the date of purchase and will repair or replace any defective power inverters if you directly returned them to us with postage paid. Please note that Cotek is only responsible for ensuring our products are operational before delivering. This warranty will be considered void if the unit has been misused, altered, or accidentally damaged.
  • Page 26 2010.11 A0...

This manual is also suitable for:

Sk700-124Sk700-224Sk700-148Sk700-248Sk1000-112Sk1000-124 ... Show all

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