Cotek SK200 & SK350 Manual
Contents
1. AC OUTPUT O i in i o HG 1 gt cu S a I S S y a E el In O r Y z 2 gt O e e U a J 1 L maa Ca a I _L J POWER O PURE SINE Z U O Ny s al WAVE INVERTER VA A Y E 5 Alanan N NA m D a 080 o 03 Ve J ae y No A VA REAT Jenn 7 PE ll L eee NG O k _UUUUL JOUUUL 123 00 4 843 147 00 5 787 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 O PURE SINE WAVE INVERTER g Ogm o o CI U A Faea PME A A libooooodttboooodaoo0l F paa A N D 1 90800 NG a 6 PURE SINE WAVE INVERTER ae ae PON ANS O AC OUTPUT 50Hz 1 6oHz STATUS O Ty O S N JQ UU COTEK 3 1 3 Status Display Power amp Fault Status Green L2. 30C to 70 C Safety Meet UL458 EN60950 1 EN55022 1997 EN61000 3 2 1998 e mark FOC Class A EN61000 3 3 1995 e13 023497 AS War ta EN55024 2001 O fang Temperature Ran 0 40 C LI Cooling FAN Controlled by load and temperature pittebionis is 185 L x147 W x60 H mm 7 3 L x5 8 W x2 36 H Inch 1 4kg lt Note The specifications 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 O a g H S M O d AN uju G CN b a NG D p gt 3 f NNOHY b NG SISSVHO b A AndNi 0g HZMOd P Z saf N f O o E A gt aJ S N gt Q S PS a Z gt I E E 1 1 b gt TW TW p raco aart Dm gt AC OUTPUT SoHE p NPA NANNANAAANAAAAnAnA D 00000000000000000 JUUUUUUUULUUUULUULUUUUUy Ph A COTEK 2 3 Mechanical Drawing of Strip Wire Type P aNnous SISSYHI la
3. A lead acid battery produces a short circuil current high enough to weld a ring or the like to metal causing a severe burn COTEK 2 Features m Pure sine wave output THD lt 3 m Output frequency 50 60Hz switch selections m Input amp output completely isolated design m High efficiency 84 94 m Capable of driving inductive 8 capacitive loads at the start moment m A LED Indicator with twin color displays all operation status m Loading and temperature controlled cooling fan m Built in advanced microprocessor to make friendly interface with user m Protection Input low voltage Overload Short circuit Low battery alarm Input over voltage Over temperature COTEK 2 1 Electrical Performance Item SK120 112 SK120 124 SK120 148 SK120 212 SK120 224 SK120 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 5 220 230 240Vac 3 Frequency d 50 60Hz 0 05 Switch Selections Output Waveform Pure Sine Wave THD lt 3 Efficiency full load Max 89 91 93 92 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 Protection Overload Shut down Short Circuit Shut down Reverse Polarity Fuse Over Under Input Voltage Aut
4. COTEK ERX KEME 5K120 5K200 SK350 Series Pure Sine Wave Inverter User s Manual COTEK Table of contents 1 Important Safety Information 1 1 General Safety Precautions 1 2 Precautions When Working with Batteries 2s POTES tii lcd nl diles 2 1 Electrical Performance 2 2 Mechanical Drawing of Socket Type Power Claw PP75 2 3 Mechanical Drawing of Strip Wire Type 3s MSTUCUON AA SINI AA AA 3 1 Front Panel Operation 3 2 Rear Panel Operaltion 3 3 Protections Features 3 4 U ASICS ALICE ccna 3 5 Making DC Wiring Connections 3 6 AU Safety Grounding 3 7 Inverter Operation 4 Troubleshooting guide A AAA 6 Warranly u 2 u uuu u cia a ae thout permission of the owner COTEK 1 Important Safety Information WARNING Before installing and using the Inverter you need to read the fo
5. ED LED Signal Status m Red LED LED Signal Status Blink Fast 1 OVP Blink Slow UVP Blink Intermittently Do mo mg OTP Solid LS OLP 3 1 4 AC Output available Sockets s a A q a a q o 0 T T a J nd O North America GFCI NEMA 5 15R Continental Europe Australia New Zealand i EJE E E United Kingdom Universal IEC PP75 STRIPPED WIRE COTEK 3 2 Rear Panel Operation _ POWER DC INPUT D REMOTE PORT gt CHASSIS GROUND R CHASSIS GROUND 3 2 1 ON OFF REMOTE Main Switch 3 2 1 1 Before installing the inverter make sure the main switch must be OFF 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 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 ENB O ON INV ON MODE 1 KO OFF INV OFF O m HINV ON TRON E MODE Il DO Le INV OFE TROFF
6. N La VCEO gt VBAT COTEK BAT BAT ON gt INY ON MODE III Ened OFF INV OFF ENB MODE IV EVT PWR GND 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 power sources is positive is negative Reverse polarity connection will blow internal fuse and may damage inverter permanently 12V 10 5 15 0 24V 21 0 30 0 48 V 42 0 60 0 COTEK 3 3 Protections Features DC Input VDC Over Temperature Protection a ad Under Model Over Voltage Under INTERIOR aoe apa Naa Voltage U Hi Shut 9 Shut Restart Alarm Restart Shut down Restart down down eee 12V 16V 13V 11 0V lt 10 5V 12 5 24V 32V 26V 22 0V lt 21 0V 25 0 55 45 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 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 40 C the cooler the better 3 4 3 Safe Do not install in a battery compartment or other areas where flammable fumes may exist such as fuel storage areas or engine Ensure t
7. he ventilation openings on the rear and front t are not obstructed operating COTEK 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 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 The longer or narrower the cables the greater the voltage drop Increasing your DC cable size will help improve the situation Fol
8. llowing 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 old water for at least 20 minutes and get medical attention Coen diately KEL NG 2 2 Never oke or allow a spark or flame in vicinity of ELI or engine short cj it on the battery of other electrical part may cause an ip 2 4Tekplos ap 42 2 4 Remove personal metal items such as ae bracelets necklaces VaV
9. lowing cable recommendations for the best performance of inverter Apply both 120V and 230V versions he installation of a fuse must be on positive cable ailure to place a fuse on cables running between e inverter and battery may cause damage to the 3 Inverter and will void warranty 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 GFCI 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 present 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 Risk of electronic shock Use only Pass and Seym
10. o 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 EN61000 3 2 1998 e mark BO ga EN61000 3 3 1995 e13 023495 gt Ek EN55024 2001 On 0 40 C 30 C to 70 C convection cooling 1 Coolin Oe s Dimensions 185 L x147 W x60 H mm 7 3 L x5 8 W x2 36 H Inch o 1kg Note The specifications are subject to change without notice 1 This test condition is normal DC input 13 5V and temperature 25 C COTEK Switch Selections 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 5 220 230 240Vac 3 Freguency 50 60Hz 0 05 Output Waveform Pure Sine Wave THD lt 3 Efficiency full load Max 87 90 92 90 93 94 t Volt R lati 10 5 15 21 0 30 42 60 10 5 15 21 0 30 42 60 nput Voltage Regulation j es sg VDC VDC VDC VDC VDC VDC Failure Indicator Red LED Overload 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
11. our type 2095 W or 7899 W ground fault circuit interrupter receptacles Others may fail in operating the inverter when connecting to the inverter s equipment COTEK 3 7 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 Finally the buzzer will sound another Beep and the Power Status LED indicators will t
12. urn 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 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 COTEK 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 the same time tighten the screws on the DC input terminals 6 Warranty 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 warrant
13. wire See 3 2 Safety Meet UL458 EN60950 1 EN55022 1997 EN61000 3 2 1998 e mark PUE Nase A EN61000 3 3 1995 e13 023496 AS ar ta EN55024 2001 O fang Temperature Ran 0 40 C 30 C to 70 C LI Cooling FAN Controlled by load and temperature pittebionis is 185 L x 147 W x 60 H mm 7 3 L x 5 8 W x 2 36 H Inch 1 2kg Za Note The specifications are subject to change without notice 1 This test condition is normal DC input 13 5V and temperature 25 C COTEK Switch Selections 50 60Hz 0 05 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 Freguency Output Waveform Pure Sine Wave THD lt 3 Efficiency full load Max 84 86 88 86 89 90 ee ee 10 5 15 21 0 30 42 60 10 5 15 21 0 30 42 60 nput Voltage negulation p e seg VDC VDC VDC VDC VDC VDC Failure Indicator Red LED Protection Overload Shut down Short Circuit Shut down 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
14. y 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 a b COTEK ong Hsin Rd Pa Teh City Tao Yuan County Taiwan e 886 3 3661581 FAX 886 3 3676029 A ae E mail sales cotek com tw http www cotek com tw 2006 10A
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