1U1KVA User Manual - MRC
Contents
1. WARNING Operation of the inverter without a proper ground connection may result in an electrical safety hazard WARNING Shock Hazard Before proceeding further carefully check 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 2 3 Installation Where to install The power inverter should be installed in a location that meets the following requirements 2 3 1 2 3 2 2 3 3 2 3 4 2 3 5 2 3 6 Dry Do not allow water to drip or splash on the inverter Cool Ambient air temperature should be between 20 C and 50 C the cooler the better Safe Do not install in a battery compartment or other areas where flammable fumes may exist such as fuel storage areas or engine compartments Ventilated Allow at least one inch of clearance around the inverter for air flow Ensure the ventilation openings on the rear and bottom of the unit are not obstructed Dust free Do not install the YK PSW1KVA E Inverter in a dusty environments where are dust wood particles or other filings shavings The dust can be pulled into the unit when the cooling fan is operating Close to batteries Avoid excessive cable lengths but do not install the YK PSW1KVA E Inverter in the same compartment as batteries Use the recommended wire lengths and sizes see sectio2. DC Voltage Indicator LED displays light on VDC as show as input DC voltage value 2 7 6 Temperature Indicator LED displays light on TEMP as show as internal operating temperature value 2 7 7 Output Frequency AC Indicator LED displays light on Hz as show as output frequency value 12 Please have the accuracy of 6 functions of display as below Function VAC AMP WATT TEMP Frequency 100 120 200 240 o Range VAC VAC 0 10A 0 1KW 0 120 C 50Hz 60Hz Accuracy 1 1 1 0 5A 3 t1 0 01 0 01 2 7 8 Over voltage protection indicator OVP The over voltage indicator indicates that the power inverter has shut itself down because its input voltage exceeded 12 24V 48VDC version See page 12 2 7 9 Under voltage protection indicator UVP The under voltage indicator indicates that the power inverter has shut itself down because its input voltage fell below 12 24V 48VDC See page 12 2 7 10 Over temp protection indicator OTP The over temp indicator indicates that the power inverter has shut itself down because its temp has become overheated The power inverter may overheat because it has been operated at power levels above its rating or because it has been installed in a location which does not allow it to dissipate heat properly The power inverter will automati
3. inverter without connecting it to Ground Electrical shock hazard may result 2 6 Marking DC Wiring Connections Follow this procedure to connect the battery cables to the DC input terminals on the PSW1KVA E Inverter Your cables should be as short as possible ideally less than 10 feet 3 meters and large enough to handle the required Current in accordance with the electrical codes or regulations applicable to your installation Cables that are not an adequate gauge too narrow or are too long will cause decreased inverter performance such as poor surge capability and frequent low input voltage warnings and shutdowns These low input voltage warnings are due to DC voltage drop across the cables from the inverter to the batteries The longer and narrower these cables the greater the voltage drop WARNING The installation of a fuse must be on positive cable Failure to place a fuse on cables running between the inverter and battery may cause damage to the inverter and will void warranty Increasing your DC cable size will help improve the situation Our company recommends the following cables for optimum inverter performance apply both 120V and 230V versions Model No Wire AWG Inline Fuse YK PSW121KVA 2 150A YK PSW121KVAE 2 150A YK PSW241KVA 4 80A YK PSW241KVAE 4 80A YK PSW481KVA 6 40A YK PSW481KVAE 6 40A Also use only high quality copper wir
4. lead acid battery produces a short circuit current high enough to weld a ring or the like to metal causing a severe burn 16 7 Appendices A 7 1 110V Dip Switch at the left side of inverter VOLTAGE S1 FREQ Hz s2 S3 BAUDRATE S4 S5 OUTPUT VAC ON 60 OFF OFF 2400 OFF OFF 100 OFF 50 OFF ON 4800 OFF ON 110 ON OFF 9600 ON OFF 115 ON ON 19200 ON ON 120 S1 FREQ Hz 50Hz 60Hz S2 S3 BAUD RATE 2400 4800 9600 19200 S4 S5 VOLTAGE OUTPUT 100VAC 110VAC 115VAC 120VAC When you set up S1 S5 please reset the inverter and let update data through CPU 7 2 220V Dip Switch at the left side of inverter VOLTAGE S1 FREQ Hz s2 S3 BAUD RATE S4 S5 OUTPUT VAC ON 60 OFF OFF 2400 OFF OFF 200 OFF 50 OFF ON 4800 OFF ON 220 paa a ON OFF 9600 ON OFF 230 BA ON ON 19200 ON ON 240 S1 FREQ Hz 50Hz 60Hz S2 S3 BAUD RATE 2400 4800 9600 19200 S4 S5 VOLTAGE OUTPUT 200VAC 220VAC 230VAC 240VAC When you set up S1 S5 please reset the inverter and let update data through CPU
5. 61 EN60950 1 EN 55022 1998 A1 2000 A2 2003 Class B EN 55024 1998 A1 2001 A2 2003 EN 61000 3 2 2000 A2 2005 EN 61000 3 3 1995 A1 2001 EG 61000 4 2 1 a 1998 A2 2000 61000 4 3 2002 A1 2002 EMC FCC Class B IEC 61000 4 4 2004 IEC 61000 4 5 1995 A1 2000 IEC 61000 4 6 1996 A1 2001 IEC 61000 4 8 1993 A1 2000 IEC 61000 4 11 Interface Control Port RS 232 With Baud Rate 2400 4800 9600 19200 Switch Selectable AC Input 110V 90 130V 220V 180 260V AC Frequency 50Hz 60 Hz 3 50Hz 60 Hz 3 Bypass 4 6ms 4 6ms Operating Temp Range 20 C to 60 C Storage Temp Range 30 C to 70 C Dimensions 408 7 L x424 0 W x44 0 H mm Weight 7 5kgs 1 3 Mechanical Drawings he feed A a 1 30 1 3 416 8 16 4 Introduction The power inverter series are 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 installing and using this model 2 1 Front Panel Operation 2 1 1 Front view BP Seny 2 1 2 ON OFF switch Please leave in the OFF position during installation 2 1 3 Function Key When sequentially push Function Key it will display various status on the function screen Such as VA
6. C Amp watts and so on When malfunction is occurred its display will be flashed on the screen 2 1 4 AC outlet Outlet sockets available PC Connector 10A CJC 8 oU g Do 2 2 Rear Panel Operation 2 2 1 Ventilation openings Do not obstruct allow at least 3 inch for air flow 2 2 2 Battery terminals Connect to 12V 24V 48V battery or other 12V 24V 48V power Source is positive is negative Reverse polarity connection will blow internal fuse and may damage inverter permanently WARNING Do not connect the 12V model to a 24V battery The unit will be destroyed immediately 2 2 3 RS 232 Connect to remote control unit option accessory or connect to computer to remote control working status FOR REMOTE CONTROL o a 6 a i Q INVERTER TX gt ma ee a ia SHUTDOWN lt lt sa INVERTER D89 INVERTER RX 7 DC POWER PIN6 PCB BORD 5V paresecceseceees PC GND PIN7 REMOTE ON OFF PINS VCC GND PING PIN7 PINS ARE FOR aasam WICC GND REMOTE CONTROL USE NOT FOR PC CONNECTION 2 2 4 PC RS232 FOR COMPUTER INVERTER RS232 WARNING Any damages caused by using incorrect RS232 cable will be outside of our warranty scope If you are not sure which one is correct RS232 cable please purchase the correct RS232 cable from us directly Connect chassis ground terminal to earth or to vehicle chassis using 8 AWG wire
7. PSW1KAV E 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 YK PSW1KVA E Inverter in a zero clearance compartment Overheating may result 6 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 YK PSW1KVA E Inverter with damaged or substandard wiring 6 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 where 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 6 2 Precautions When Working with Batteries 6 2 1 If battery acid contacts skin or clothing wash immediately with soap and water If acid enters eye immediately flood eye with running cold water for at lease 20minutes and get medical attention immediately 6 2 2 NEVER smoke or allow a spark or flame in vicinity of battery or engine 6 2 3 Do not drop a metal tool on the battery The resulting sparks or short circuit on the battery or other electrical part may cause an explosion 6 2 4 Remove personal metal items such as rings bracelets necklaces and watches when working with a lead acid battery A
8. User Manual 1U 19 23 Rack Mount Model 1U 19 23 Open Frame Cabinet model YK PSW1KVA Series Pure Sine Wave Inverter YK PSW121KVA E YK PSW241KVA E YK PSW481KVA E Instruction Manual CE W FE LISTED List of Contents 1 Features 1 1 Application 1 2 Electrical performance 1 3 Mechanical drawings Introduction 2 1 Front panel operations 2 2 Rear panel operations 2 3 Installation 2 4 Quick hook up and testing 2 5 AC safety grounding 2 6 Making DC wiring connections 2 7 Inverter operation 2 8 Cooling fan working code Maintenance Troubleshooting guide Warranty Important safety striations 6 1 General safety precautions 6 2 Precautions when working with batteries Appendices A 7 1 110V Dip Switch 7 2 220V Dip Switch o oo uo 11 12 14 14 14 15 16 16 17 17 1 Features n R Load Pure sine wave output THD lt 3 n By pass function n Output frequency 50 60Hz switch n RS 232 interface Wire connection to PC n Wired Remote control optional n Thermostatically controlled cooling fan n Advanced microprocessor n Protection Input low voltage Overload Short circuit Low battery alarm Input over voltage Over temperature 1 1 Utilities Application 1 1 1 Power tools circular saws drills grinders sanders buffers weed and hedge trimmers air compressors 1 1 2 Office equipment computers printers monitors facsimile machines scanne
9. cally back up once it has cooled off 2 7 11 Overload protection indicator OLP The overload indicator indicates that the power inverter has shut itself down When output voltage over continue power then must return to operate manually 13 O Hz TEMP OOO voc Hz lo FUNCTION 2 8 Cooling fan working code Cooling fan of inverter is through detecting output power and over temperature situation to work When start to turn on the inverter and output power is under 300W the cooling fan does not start running It complies with saving energy sources requirement Until output power is up to 300W the cooling fan will start to work in order to drop the inner temperature If the ventilation opening is obstructed the inverter will enter over temperature protection mode OTP The cooling fan will continue working to drop the inner temperature When the temperature comes down to normal situation the inverter will turn on automatically 3 Maintenance Very little maintenance is required to keep your inverter operating properly You should clean the exterior of the unit periodically with a dry cloth to prevent accumulation of dust and dirt At the same time tighten the Screws on the DC input terminals 4 Troubleshooting guide WARNING Do not open or disassemble the inverter Attempting to service the unit yourself may result in a risk of elec
10. ing and keep cable length short from 3 6 feet 2 7 Inverter Operation To operate the power inverter turn it on using the ON OFF switch on the front panel The power inverter is now ready to deliver AC power to your loads If you are operating several loads from the power inverter turn them on separately after the inverter has been turned on This will ensure that the power inverter does not have to deliver the starting currents for all the loads at once 2 7 1 Controls and indicators The ON OFF switch turns the control circuit in the power inverter on and off The PSW1KVA E Inverter operates from an input voltage ranging from 10 0 to 16 0 VDC for 12V models 20 0 to 32 0 VDC for 24V models 42 0 to 62 0 VDC for 48V models The PSW1KVA E Inverter will indicate high and low DC voltage conditions as follows DC Input over DC Input over DC Input under DC Input under Naga voltage shut down voltage alarm voltage alarm voltage shut down YK PSW121KVA YK PSW121KVAE 16 0VDC 15 5VDV 10 5VDC 10 0VDC YK PSW241KVA YK PSW241KVAE 32 0VDO 31 0VDC 21 0VDC 20 0VDC Ue ee 62 0VDC 61 0VDC 43 0VDC 42 0VDC YK PSW481KVAE 2 7 2 Output Voltage Indicator LED displays light on VAC as show as output Voltage value 2 7 3 Output Current Indicator LED displays light on AMP as show as output current value 2 7 4 Output Watts Indicator LED displays light on Watts as show as output Watts value 2 7 5 Input
11. is conforms to 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 GFCI breaker panel For models configured with a transfer relay while AC utility power is presenting and the YK PSW2KVA E 1U Inverter is in bypass mode this connection neutral of the YK PSW2KVA E 1U Inverters 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 inside the YK PSW2KVA E 1U Inverter from either the line or neutral conductor to the safety ground Ground Fault Circuit Interrupters GFCI S 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 Our company has tested the following GFCl protected 20A receptacles and found that they functioned properly when connected to the output of the inverter WARNING Do not operate the power
12. n 2 6 Also do not mount the YK PSW 1KVA E Inverter where it will be exposed to the gases produced by the battery These gases are very corrosive and prolonged exposure will damage the YK PSW 1KVA E Inverter 2 4 Quick hooking up and testing 2 4 1 2 4 2 Unpack and inspect the power inverter check to see that the power switch in the OFF position Connect the cables to the power input terminals on the rear panel of power inverter The red terminal is positive and black terminal is negative Insert the cables into the terminals and tighten relative nut to clamp the wires securely WARNING You may observe a spark when you make this connection since current may flow to charge capacitors in the power inverter Do not make this connection in the presence of flammable fumes Explosion or fire may result gt D WARNING Make sure all the DC connections are tight torque to 9 10 ft lbs 11 7 13Nm Loose connections will overheat and could result in a potential hazard 2 4 3 Before proceeding further carefully check that cable you have just connected negative terminal of inverter to the negative output power source gt CAUTION Reverse polarity connection will blow a fuse in inverter and may permanently damage the inverter Damage caused by reversing polarity connection is not covered by our warranty 2 4 4 Connect the cable from the negative terminal of the inverter to the
13. negative terminal of the power source Make a secure connection gt WARNING You may observe a spark when you make this connection since current may flow to charge capacitors in the power inverter Do not make this connection in the presence of flammable fumes Explosion or fire may result 2 4 5 Set the power switch to the ON position you will hear the bi bi bi sound At the same time the display is showed the word ASIAN for two times After that you will hear the continuous sound from internal alarm Then the AC voltage shows on the display It means the device has done the operation 2 4 6 2 47 Set the power switch to the OFF position the device shut down completely Please use a power meter accurately measure the true output R M S voltage of inverter We use a power meter such as IDRC CP 350 or ABM 2019 to measure our product 2 5 AC Safety Grounding During the AC wiring installation Ac input and output ground wires are connected to the inverter The AC input ground wire must connect to the incoming ground from your AC utility source The AC output ground wire should go to the grounding point for your loads for example a distribution panel of bus chassis 2 5 1 Neutral Grounding GFCF s 2 5 1 1 2 5 1 2 120V models The neutral conductor of the AC output circuit of the YK PSW2KVA E 1U Inverter is automatically connected to the safety ground during inverter operation Th
14. ngs in inverter are not obstructed reduce ambient temperature No output voltage Over Load indicator Short circuit or wiring error Very high power load Check AC wiring for short circuit or improper polarity hot and neutral reversed Remove load 5 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 warranty will be considered void if the unit has suffered any obvious damage by natural and man made factors or alteration either internal or external 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 requirement 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 15 6 Important Safety Instructions WARNING Before you install and use your inverter be to read and save these safety instructions 6 1 General Safety Precautions 6 1 1 Do not expose the YK
15. r 1 1 3 Household items vacuum cleaners fans fluorescent and incandescent lights shavers sewing machines 1 1 4 Kitchen appliances microwave ovens refrigerators and freezers coffee makers blenders ice markers toasters 1 1 5 Industrial equipment metal halide lamp high pressure sodium lamp 1 1 6 Home entertainment electronics television VCRs video games stereos musical instruments satellite equipment 1 2 Electrical Performance Specification Model YK YK YK YK YK YK Item PSW121KVA PSW241KVA PSW481KVA PSW121KVAE PSW241KVAE PSW481KVAE 1U 1U 1U 1U 1U 1U Continuous 850W 1KVA Output Power Surge Rating 900W 1Mins 950W 3Sec 1000W 1Sec Input Voltage 12V 24V 48V 12V 24V 48V Frequency 50 60Hz 0 05 Switch Selectable Peak Output 15A 9A Current Efficiency full 86 88 89 87 90 92 load No Load Current 0 75A 0 4A 0 3A 0 7A 0 35A 0 25A Draw Output R Load Pure Sine Wave lt 3 THD Waveform OLI oe 100 110 115 120V Switch Selectable RMS 3 200 220 230 240V Switch Selectable RMS 3 equlation P F 0 85 0 85 TS 10 16VDC 20 32VDC 42 62VDC 10 16VDC 20 32VDC 42 62VDC Protection Overload Short Circuit Reverse Polarity Fuse Over Under Input Voltage Over Temp Digital Display OVP UVP OTP OLP VAC AMP WATT VDC TEMP Hz Safety UL60950 1 File No E3245
16. trical shock or fire Common problems television interference Operation of the power inverter can interfere with television reception on some channels If this situation occurs the following steps may help to alleviate the problems Make sure that the chassis ground lug on the back of the power inverter is solidly connected to the ground system of your vehicle boat or home Do not operate high power loads with the power inverter while watching television Make sure that the antenna feeding your television provides an adequate snow free signal and that you are using good quality cable between the antenna and the television Move the television as far away from the power inverter as possible Keep the cables between the battery and the power inverter as short as possible and twist them together about 2 to 3 twists per foot This mini radiated interference from the cables 14 Problem and Symptoms Possible Cause Solution Low output voltage Using average reading Use true RMS reading meter 110V 95 105VAC voltmeter and cable 220V 190 210VAC Point 2 4 7 of manual Load Display OLP flash Overload Reduce load No output voltage And fault Input voltage Low High input voltage Recharge battery check connections and cable See page 11 No output voltage Over Temperature indicator Load less than 500W Thermal shutdown Improve ventilation Make sure ventilation openi
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