SK120,SK200,SK350 Series Pure Sine Wave Inverter User`s Manual
Contents
1. D C 2 f ff gt C PES J D C gt C ff C L KL EC lected by Dip Switch Lag o Qi 2 JR rede 60 HZ OFF COTEK 3 1 3 Status Display Power amp Fault Status Universal Blink Fast OVP Blink Slow UVP Blink Intermittently ss xe OTP Solid OLP 3 1 4 AC Output available Sockets E N I q q a _a t e T T Nan v North America GFCI NEMA 5 15R Continental Europe Australia New Zealand ESCH PP75 STRIPPED WIRE COTEK 3 2 Rear Panel Operation LAA AAA AAAAA AANANA Ma POWER DC INPUT q ON X Cape on 6 REMO D REMOTE PORT CHASSIS GROUND Ky ang L ana ana LI POWER ON N ee 5 CO REMO V I S d REMOTE PORT CHASSIS GROUND 2 B q q E C N q eee S O E 3 2 1 ON OFF REMOTE Main Switch 3 2 1 1 Before installing the inverter make sure the main switch must be OFF2. U HR 18 18 CO TEI lt 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 rain snow spray bilge or dust To reduce risk of hazard do not cover or obstruct the ventilation openings Do not install the Inverter in a zero clearance compartment Over heating may result 1 1 2 To avoid a risk of fire and electronic shock Make sure that existing wiring is in good electrical condition and that wire size is not undersized Do not operate the Inverter with damaged or substandard Wiring 1 1 3 This equipment contains components which can produce arcs or sparks To prevent fire or explosion do not install in compartments containing batteries or Flammable materials or in locations which require ignition protected equipment This includes any space containing gasoline powered machinery fuel tanks or joints fittings or other connection between components of the fuel system 1 2 Precautions When Working with Batteries 1 2 1 If battery acid contacts skin or clothing wash immediately with soap and water If acid enters eye immediately flood eye with running e EE at least 20 minutes and get medical attention Q2 Never smoke allow a spark or flame in vicinity of battery or engine d 32d not dit drop a Qi m tool on
3. 3 2 1 2 Before using the remote unit make sure the main switch must be REMOTE 3 2 1 3 Ensure the remote control contact is off aNd SN3 ana 3 2 1 4 Remote Port Place 0 75mm and Screw type cable between the remote port and the panel 3 2 1 5 Remote port ON OFF inverter setup status prom GN or ON MODE OFF INV OFF m HINV ON TR ON bu 1 MODE T O gt Q L INV OFF TROFF VCEO gt VBAT 11 CO TEI lt ENB ENB lt gt GND lt gt BAT BAT ON INV ON OFF INV OFF EVT PWR MODE II MODE IV NOTE Only one of control mode can be presented When operating 3 2 2 DC Input Terminals Connect to 12V 24V 48V battery or the other is positive is negative power sources Reverse polarity connection will blow internal fuse and may damage inverter permanently SE en ess 12V 10 5 15 0 24 V 21 0 30 0 48 V 42 0 60 0 12 CO TEI lt 3 3 Protections Features 12 V 16V 13V 11 0V 10 5V 12 5 24 V 32V 26V 22 0V lt 21 0V 25 0 55 C 45 C 48V 62V 52V 44 0V lt 42 0V 50 0 Note The specifications are subject to change without notice 3 4 Installation Where to install The power inverter should be installed
4. in a location that Meets the following requirements 3 4 1 Dry Do not allow water to drip or splash on the inverter 3 4 2 Cool Ambient air temperature should be between OC and 40C the cooler the better 3 4 3 Safe Do not install in a battery compartment or other areas where til ted e arto flow tall the Inverter in a dusty environments Wood particles or other filings shavings are present 13 CO TEI lt 3 4 6 Close to batteries Avoid excessive cable lengths but do not install the Inverter in the same compartment as batteries Use the recommended wire lengths and sizes see section 3 5 Also do not mount the Inverter where it will be exposed to the gases produced by the battery These gases are very corrosive and prolonged exposure also will damage the Inverter WARNING Shock Hazard Before proceeding further carefully check that the Inverter is NOT connected to any batteries and that all wiring is disconnected from any electrical sources Do not connect the output terminals of the Inverter to an incoming AC source 3 5 Making DC Wiring Connections Follow this procedure to connect the battery cables to the DC input terminals of the Inverter Your cables should be as short as possible Ideally less than 6 feet 1 8 meters enough to handle the required current in accordance with the electrical codes or regulations application Cables are not an adequate gauge too narrow
5. COTEK SK120 SK200 SK350 Series Pure Sine Wave Inverter User s Manual WO S ULULL O A5 lU JU GUUUUE PTT TT A N CO TEI lt Table of contents 1 Important Safety Information 2 1 1 General Safety Precautions 2 1 2 Precautions When Working with Batteries 2 MEI UTI 3 2 1 Electrical Performance 4 2 2 Mechanical Drawing of Socket Type Power Claw PP75 7 2 3 Mechanical Drawing of Strip Wire Type 8 ME BS Me 9 3 1 Front Panel Operation 9 3 2 Rear Panel Operation 11 3 3 Protections Features 13 3 4 NR TE e E 13 3 5 Making DC Wiring Connections 14 3 6 AC Safety Grounding 15 3 7 Inverter Operation 16 4 Troubleshooting guide 17 Main tenance
6. Protection Reverse Polarity Fuse Over Under Input Voltage Auto recovery Over Temperature Auto recovery Remote Control Yes ON OFF mode controlled by hard wire See 3 2 Safety Meet UL458 EN60950 1 EN55022 1997 pet EN61000 3 2 1998 e mark ass EN61000 3 3 1995 e13 023496 Aa EN55024 2001 0 40 C 30 C to 70 C T Cooling FAN Controlled by load and temperature ensidiis AN L x 147 W x 60 H mm 7 3 L x 5 8 W x 2 36 H Inch 1 2kg Note The specifica ons are subject to change without notice 1 This test condition is normal DC input 13 5V and temperature 25 C COTEK Specification Model No Item SK350 112 SK350 124 SK350 148 SK350 212 SK350 224 SK350 248 Continuous Output Power 350W Maximum Output Power 385W Surge Rating Max 700W Input voltage 12Vdc 24Vdc 48Vdc 12Vdc 24Vdc 48Vdc Output Voltage 100 110 120Vac 5 220 230 240Vac 3 Frequency 50 60Hz 0 05 Switch Selections Output Waveform Pure Sine Wave THD lt 396 Efficiency full load Max 84 86 88 86 89 90 10 5 15 21 0 30 42 60 10 5 15 21 0 30 42 60 Input Voltage Regulation VDC VDC VDC VDC VDC VDC Failure Indicator Red LED Overload Shut down Short Circuit Shut down Protection Reverse Polarity Fuse Over Under Inp
7. e same time tighten the screws on the DC input terminals 6 Warranty 18 We warrant this product against defects in materials and workmanship for a period of 24 months from the date of purchase and will repair or replace any defective Power Inverter when directly returned postage paid to us This warranty will be considered void if the unit has suffered any obvious physical damage or alteration either internally or externally and does not cover damage arising from improper use such as plugging The unit into an unsuitable power sources attempts to operate products with excessive power consumption requirements or use in unsuitable environments This is the only warranty that the company makes No other warranties express or imply including warranties of merchantability and fitness for a particular purpose Repair and replacement are your sole remedies and the company shall not be liable for damages whether direct incidental special or consequential even though caused by negligence or other fault Rd Pa Teh City Tao Yuan County Taiwan FAX 886 3 3676029 http www cotek com tw 2009 07A 19
8. hanical Drawing of Strip Wire Type E uju o fs b am O HHH gt GaN nous p SISSVHD D 1HOd310W3H b m 5 b p H 1 1 f Y mM K r i m Wei a S D Wei n n oO Or QJ oD Iu D ca M c c e MD QU N r N kel Em C TI EM Meca J P JI E 196 44 4 98 123 00 4 84 fa i i b m 2 D ri gt ej J s o N ou o T e ce e 29 We p gt Oo Ze Bacon E AC OUTPUT 2 G Lt 147 00 5 79 COTEK 3 Instructions This power inverter series is a the member of the most advanced line of mobile AC power systems available To get the most out of the power inverter it must be installed and used properly Please read the instructions in this manual before installation and operation this model 3 1 Front Panel Operation 3 1 1 Front view A EECH o PURE SINE WAVE INVERTER O a _ o00000 00000000000__ CI C S STATUS PURE SINE C T z WAVE INVERTER N de ure CH S aca f 50Hz FA WA FER Joon JUL oo AC OUTPUT
9. load Shut down Short Circuit Shut down Protection Reverse Polarity Fuse Over Under Input Voltage Auto recovery Over Temperature Auto recovery Remote Control Yes ON OFF mode controlled by hard wire See 3 2 Safety Meet UL458 EN60950 1 EN55022 1997 Fe A EN61000 3 2 1998 e mark SES EN61000 3 3 1995 e13 023495 cat EN55024 2001 Operati So 1 0 40 C Stora J Temperature 30 C to 70 C pooling nsi AT S uu E cy GD Note The specifications are subject to change without notice 1 This test condition is normal DC input 13 5V and temperature 25 C convection cooling 185 L x147 W x60 H mm 7 3 L x5 8 W x2 36 H Inch 1kg COTEK Specification Model No Item SK200 112 SK200 124 SK200 148 SK200 212 SK200 224 SK200 248 Continuous Output Power 200W Maximum Output Power 220W Surge Rating Max 400W Input voltage 12Vdc 24Vdc 48Vdc 12Vdc 24Vdc 48Vdc Output Voltage 100 110 120Vac 4 596 220 230 240Vac 396 Frequency 50 60Hz 0 05 Switch Selections Output Waveform Pure Sine Wave THD lt 396 Efficiency full load Max 87 90 92 90 93 94 10 5 15 21 0 30 42 60 10 5 15 21 0 30 42 60 Input Voltage Regulation VDC VDC VDC VDC VDC VDC Failure Indicator Red LED Overload Shut down Short Circuit Shut down
10. nally the buzzer will sound another Beep and the Power Status LED indicators will turn to Green color the inverter starts working successfully 3 7 2 Set the power switch to the OFF position the inverter stops and all the lights that are On go Off ter should supply power to the load If you plan to e the true output r m s voltage of inverter a meter BECKMAN 4410 or TRIPLETT 4200 must be S ya e e Lund COTEK 4 Troubleshooting guide WARNING Do not open or disassemble the Inverter Attempting to service the unit yourself may result in a risk of electrical shock or fire Problems and Symptoms Possible Cause Solutions No AC Power Output STATUS illuminates the red LED a Blinking fast Over input voltage Check input voltage OVP Reduce input voltage b Blinking slow Low input voltage Recharge battery UVP Check connections and cable c Blinking Intermittently Thermal shutdown Improve ventilation OTP Make sure ventilation openings in inverter are not obstructed Reduce ambient temperature Short circuit or Wiring Check Ac wiring for error short circuit Overload OLP Reduce load 17 CO TEI lt 5 Maintenance Very little maintenance is required to keep your inverter operating properly You should clean the exterior of the unit periodically with a damp cloth to prevent accumulation of dust and dirt At th
11. or too long will decrease the inverter performances such as poor surge capability and low input voltage warnings frequently and shutdowns UVP warning presents due to DC voltage drop across the cables from the inverter to the batteries narrower the cables the greater the voltage drop oasirig DC cable size will help improve the situation ng cable ec endations for the best performance of inverter both 120V and 230V versions pp EX are to place a fuse on cables running between inverter and battery may cause damage to the inverter and will void warranty 14 COTEK 3 6 AC Safety Grounding The AC output ground wire should go to the grounding point for your loads for example a distribution panel ground bus 3 6 1 Neutral Grounding GFCT S 3 6 1 1 3 6 1 2 120V models The neutral conductor of the AC output circuit of the Inverter is automatically connected to the safety ground during inverter operation In accordance with the National Electrical Code requirements that separately derived AC sources such as inverter and generators have their neutral conductors tied to ground in the same way that the neutral conductor from the utility is tied to ground at the AC breaker panel For models configured with a transfer relay while AC utility power is presenting and the Inverter is in bypass mode this connection neutral of the Inverter s AC output to input safety ground is not presen
12. t so that the utility neutral is only connected to ground at your breaker panel as required 230V models There is no connection made inverter interior between either the line or neutral conductor to the safety ground WARNING 15 CO TEI lt 3 7 16 Ground Fault Circuit Interrupters GFCI Installations in Recreational Vehicles for North American approvals will require GFCI protection of all branch circuit connected to the AC output of the hardwire terminal equipped Inverter In addition electrical codes require GFCI protection of certain receptacles in residential installations While the pure sine wave output of the Inverter is equivalent to the waveform provided by utilities compliance with 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 Inverter Operation To operate the power inverter turn the main switch ON The power inverter is now ready to deliver AC power to your loads If there is several loads use turn them on separately after the inverter has been ON in order to prevent the OVP present caused by the surge power 3 7 1 Set the power switch to the ON position and the buzzer will send out Beep sounds at the moment the inverter will do self diagnosis then the Power Status LED indicators will also appear various colors Fi
13. the battery The resulting spark or e battery of other electrical part may cause an acid battery produces a short circuit current high enough to weld a ring or the like to metal causing a severe burn COTEK 2 Features Pure sine wave output THD lt 3 Output frequency 50 60Hz switch selections Input amp output completely isolated design High efficiency 84 94 Capable of driving inductive amp capacitive loads at the start moment A LED Indicator with twin color displays all operation status ai ai m Loading and temperature controlled cooling fan m Built in advanced microprocessor to make friendly interface with user F Protection Input low voltage Overload Short circuit Low battery alarm Input over voltage Over temperature COTEK 2 1 Electrical Performance Specification Model No Item SK120 112 SK120 124 SK120 148 SK120 212 SK120 224 SK1 20 248 Continuous Output Power 120W Maximum Output Power 132W Surge Rating Max 240W Input voltage 12Vdc 24Vdc 48Vdc 12Vdc 24Vdc 48Vdc Output Voltage 100 110 120Vac 596 220 230 240Vac 396 Frequency ji 50 60Hz 0 05 Switch Selections Output Waveform Pure Sine Wave THD lt 396 Efficiency full load Max 89 91 93 92 93 94 i 10 5 15 21 0 30 42 60 10 5 15 21 0 30 42 60 Input Voltage Regulation VDG VDC VDC VDC VDC VDC Failure Indicator Red LED Over
14. ut Voltage Auto recovery Over Temperature Auto recovery Remote Control Yes ON OFF mode controlled by hard wire See 3 2 Safety Meet UL458 EN60950 1 EN55022 1997 EGO CSS EN61000 3 2 1998 e mark ass EN61000 3 3 1995 e13 023497 Kc EN55024 2001 0 40 C 30 C to 70 C T Cooling FAN Controlled by load and temperature tele Ke 185 L x147 W x60 H mm 7 3 L x5 8 W x2 36 H Inch 1 4kg Note The specifica ight qo S S ons are subject to change without notice 1 This test condition is normal DC input 13 5V and temperature 25 COTEK 2 2 Mechanical Drawing of Socket Power Claw PP75 F 26 6 50 0 AfidNI Ja 2 2 u du o b O b aNnou9 D SISSVHO 5 1HOd 310W3H 5 2 a1oWau CN 5 30 P lt P NO gt u3MOd 6 TUT f EN IL IN M CU D IN SD t D e 1 CL Pi 126 44 4 98 123 00 4 84 is anannan i i PURE SINE WAVE INVERTER DOES amp PAN 1 yO Ww sh gl q q b D g ig c Y b 8 S 2 Fea N P T a AC OUTPUT core p SD UUUUUUDDUUUUUUUUUUU Je 147 00 5 79 SAN COTEK 2 3 Mec
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