SR-1000T user manual - Relec Electronics Ltd
Contents
1. O 2 zd lt m INLINE FUSE tan T e C T mr AN y a O COTEK SR Series Inverter 3 2 Front Panel FRONT PANEL VIEW Sree Vis240 Vo 115 Y Y FQ 600 lo 85 M I COTEK gt MAIN FAN 3 23 AN C3 ATOR JENTILATOR LED s LCD CD DISPLA FAN CD FAN SWITCH INDICATORS DISPLAY SELECTION BUTTONS VENTILATOR ENTI 3 2 1 Main Switch These are the 3 stage rocker switches for turning on turning off and remote mode 3 2 2 LED s Indicators See details in Section 5 1 3 2 3 LCD Display Selection Buttons Data pertaining to the DC input voltage AC output voltage AC output frequency AC output current etc and system status can be shown sequentially on the LCD display by pressing these buttons Please refer to chapter 5 for more information 3 2 4 FAN ventilation grille 1 3 The fans behind the ventilation grilles provides cooling DOT NOT obstruct these vents 3 3 Maintenance 3 3 1 Make sure that the fan vents are not blocked 3 3 2 Use a vacuum cleaner to remove any dust from the fan area 3 3 3 When cleaning the case or front panel use a soft dry cloth only If the case or front panel is very dirty use a neutral non abrasive detergent Do not use alcohol or ammonia based solutions 3 3 4 Regular service and reloc2. 1 2 6 Do not drop a metal tool on the battery The resulting spark or short circuit on the battery or on the other electrical part may cause an explosion 1 2 7 Install the inverter in a well ventilated area Do not block the front air vents or the rear air exhausts of the unit 1 2 8 Wiring Adequate input power must be supplied to the inverter for proper use correct wiring sizes must be ensured 1 2 9 Mount the inverter such that the fan axis is horizontal 1 2 10 Do not operate the inverter close to combustible gas or open fire 1 2 11 Do not operate appliances that may feed power back into the inverter 1 2 12 Temperature The inverter should be operated in an ambient temperature range of 0 C to 50 C or else the output efficiency may be affected Air flow to the inverter must not be restricted Rack Mounted Installation Rack Mounted Equipment The unit is intended to be rack mounted the Installation Instructions shall contain wording to address the following concerns when the unit is mounted in a rack system A The equipment is to be installed in an environment with maximum ambient temperature must not exceed 50 C B The openings on the enclosure are for air convection hence protected the equipment from overheating DO NOT COVER THE OPENINGS C Lay this equipment on a reliable surface when install A drop or fall could Cause injury D The equipment shall be installed according to speci
3. Vi XX X Vo XXX Main Menu FQ XX X lo X X Select Menu Select Menu Select Menu Select Menu User interface I P Parameter O P Parameter RST to default Select Menu Function Code o 1 2 3 4 6 7 8 9 10 11 12 13 14 15 v 5 828 g S 8 St a S BRE E 3 8 2 3 35 al BF a3 S sj e Z2 Select 9 2 8 9 9 le lg9 g 9 lez er gE lek e2 lee Item 55 eboebu es elo ssesressesres giegregiegsesgs 3 lad 3 zal s S 55 8 ssl 9 7 55 ee B us 9 9 e9 e 99 9 S 9O BF 99 BO D D D D D O O O O O O O O c O o o o o o o o o o o o o o o o z z ZlgsS 2 2 8 8 8 8 8 3 led s 5 SO S jet e 9 S e2 3 s2 2 N ee ee s ES Setting is 5 B5 Ot Ee zm oN On N d 5 Q d S Value M2 ME ix z x E MS Me Ms E g eg eg er OF c7 0 m o D i N O lt N po O0 c a amp gt Ta 0 9 o IA N NO t a 9c c Oo e e D D gt gt gt gt 9 9 e a lt L O O D D D O O N a O 5 3 1 User interface Select Menu 0 LCD Contrast Sets LCD screen contrast Default 50 Setting Range 0 100 1 LCD Auto off Sets LCD auto off timer Default 120 seconds Setting Range Disable 250 seconds 2 RS232 Baud rate Sets standard RS 232 Baud rate D
4. COTEK 1KW Pure Sine Wave Power Inverter User s Manual COTEK Contents 1 Important Safety INStrUuCtiONS cc cece cece eee eee e eee een eeeeeeeenacee een neaeeeeennaeeeeennaaeeees 3 1 1 General Safety Precaution Sra seeccpeneaeecn esa PERDU IDE BE FE DE IEEE EIER UE MEME 3 1 2 Other Safety Ae RE 3 1 3 Rack Mounted Installation ccc cece cece eee e cence eee eee ee seas eee ea eens eaeeeaeeaeneeeeeees 4 2 Functional Characteristics Introduction ccccceceeeseeee neces eeeeeeeneeeeeeneeeeennaeeennaes 5 ME 2 ee ee ee ee ee ee ee eee 5 Vi ame 6 161 418 i216 2 een E E E E S 6 2 3 Electrical Performance cccc cece ee eec cece see eeesaeeeeeseeeeesaeeeeegeeeeeganeetegeeeneganees T 2 4 Mechanical I ICAWIING Seo ace cee tanec see se anscdacyt REP Imre aD em ESI ae 8 3 Installation and WAINtCNANGe s iccesenscwretusercevcesecvepreiecs ie tawescsuvevecespuate FEE VR ENS S rEEEx SEE 9 2J Rear FaNG RE 9 Se FON FANO rere E E E E E T E E E 14 eo MINGNI C RTT E Umm 14 A OPEO TET 14 4 1 Connecting the Input POWer aannnnannnnnannnnnnrnnnnnrrnnnnrrrnnrrnnrnrrrnnrerrenrrrrenerrne gt 14 4 2 Connecting the LOadS c cc cccc ccc ce cece cence cece sees eee eese nnne asse n nnn nns 15 A 5 INVEMEr O DElavlOM 15 44 JP FOte CuO FG aUUNe S TTE TETTE 15 5 Front LCD Panel Display and Set D vcccitccsessccccessousivacceesacssareccsensossirsves
5. R1000T 224 OVP Setting OVP Recovery E a 0001 148 36 44 SR1000T 248 27 COTEK SR Series Inverter FUNC 9 UVP Recovery Setting Menu SETT value 23 21 Model SR1000T 124 SR1000T 224 SR1000T 148 46 54 SR1000T 248 FUNC 10 UV Alarm Setting Menu SETT value Mode 009239 See 19 75 SR1000T 224 UV Alert SR1000T 224 UVP Recovery SR1000T 148 36 46 SR1000T 248 FUNC 11 O P Voltage Setting Menu SETT value Model SR1000T 124 SR1000T 148 e nm ig4 24g SR1000T 224 SR1000T 248 FUNC 12 O P Frequency Setting Menu SETT value O P Frequency 47 63 FUNC 13 Sync Frequency Setting Menu SETT value Sync Frequency FUNC 14 Bypass Relay Setting Menu SETT value ON LINE Haphazard OFF LINE Normal OFF LINE Exacting OFF LINE FUNC 15 Overload Alarm Setting Menu SETT value Overload Alarm 50 110 00 a ry 28 COTEK SR Series Inverter 7 Information 7 1 Troubleshooting WARNING Do not open or disassemble the SR series Inverter Attempting to service the unit may cause risk of electrical shock or fire Problems and Symptoms Possible Cause Solutions No AC Power Output a LCD Panel Display Short circuit wiring Check AC wiring for OLP Shutdown error over loading short circuit Reduce load OVP Shutdown OVP Reduce input voltage c LCD Panel Display Low inp
6. a LF character ASCII code OAH is received this unit would finish the receiving by clearing the DIR status and begin to interpret the received information The unit would execute the received command AND OR data if it is correct Irrespective of whether the command is accepted or not the unit will always send back a response signal to the computer and set DTR to ready for receiving more incoming information 6 2 1 The Baud rate of the RS232 interface can be set with the help of the Setup Menu See details in Section 5 3 1 Note You have to reset the unit after adjustment to activate the new setting 6 3 Example of RS232 Operation 6 3 1 RS232 command Command format This unit uses high level language commands with a CR ODH and LF OAH as the end of the command The system would interpret and execute the command only after these two characters are received After the unit execute the command it would send a response string to the computer The response string is as follows gt CR LF Command executed successfully gt CRLF Command error not accepted gt CR LF Command correct but execution error e g parameters out of range If the command needs any information from the unit the unit would send the information back to the computer with CR and LF and then send the response string to the computer COTEK SR Series Inverter 6 3 2 Command format This unit supports the following command format There s
7. ards Certified UL 60950 1 Certified EN 60950 1 Safety amp EMC Certified EN55022 EN61000 3 2 EMC Standards Certified FCC Class B EN61000 3 3 EN55024 IEC61000 4 2 3 4 5 6 8 11 mem ooer OOo Focus on telecommunication base station networking data center amp Application battery backup system Note The specifications are subject to change without notice Fan Operation amp Indicator COTEK SR Series Inverter 2 4 Mechanical Drawings N 1 94 1 N 000 inano Lndino Ov 00000 24 0 94 CA LC Le LM LES C a pREBS ES LE LE 92 0 3 62 345 13 58 92 0 3 62 120 0 4 72 39 3 1 55 39 3 1 55 44 1 73 31 8 1 25 465 0 18 31 483 19 02 5 90 23 SR Series Inverter Ordering Information Model Input Output Voltage Output Voltage Frequency Number Voltage Nominal Range Range SR1000T 124 24 VDC 110 VAC 100 120 VAC 47 63 Hz SR1000T 224 24 VDC 230 VAC 200 240 VAC 47 63 Hz SR1000T 148 48 VDC 110VAC 100 120 VAC 47 63 Hz SR1000T 248 48 VDC 230VAC 200 240 VAC 47 63 Hz COTEK SR Series Inverter 3 Installation and Maintenance 3 1 Rear Panel REAR PANEL VIEW ASIII eee 00000 err PPR O00 s BE ei free s RSET l AMAGE UNIT DC INPUT DC INPUT REMOTE DRY STANDARD GND AC OUTPUT AC OUTPUT AC INPUT AC INPUT NEGATIVE lt gt PHSITIVEC CONTROL CONTACT RS 232 SOCKET HARD WIRE HARD WIRE BREAKER TF RMINAI TF RMINAI 3 1 1 AC I
8. ation of the inverter should be performed by a qualified service technician 3 3 5 Avoid spilling liquid on the inverter 4 Operation 4 1 Connecting the input power Before making the DC input side connections the main switch must be OFF COTEK SR Series Inverter 4 2 Connecting the loads ll Calculate the total power consumption W of the output load Make sure that the total power consumption does not exceed the rated load E Should the total load exceed the rated capacity of the inverter remove the non critical loads until the rated total has been reached 4 3 Inverter Operation E Set the power switch to the ON position The buzzer will sound beep beep The inverter will carry out self diagnosis and the LED s will also appear various colors At the same time the LCD will display SR 1000 INVERTER INITIALIATION Finally the buzzer will sound another beep and the INVERTER and status LED s will turn Green The LCD Display will display Vi Vo FQ lo THE inverter will start operating normally E Set the power switch to the OFF position THE inverter stops and all the lights that are on will go off 4 4 Protections Features 24 V 30 1 34 1 28 32 19 23 18 1 22 1 48 V 56 60 36 1 44 1 5 Front LCD Panel Display amp Setup 5 1 LCD Panel Indications 5 1 1 Set the Power Switch to the ON position THE inverter starts working normally The inverter will be o
9. avoid the risk of fire and electric shock make sure that the existing wiring is in good electrical condition and that the wire size Is not undersized Do not operate the inverter with damaged or substandard wiring Depending on the use the AC output of the inverter may require user installed breaker or fusing For telecom use a GFCI has not been provided The inverter incorporates standard AC short circuit protection The following precautions should be taken when working on the inverter ll Remove watches rings or other metal objects ll Use tools with insulated handles ll Wear rubber gloves and boots If one of the following situations arises get the equipment checked by service personnel a Liquid has penetrated into the equipment b The equipment has been exposed to moisture c The equipment has not work well or you can not get it work according to user s manual d The equipment has dropped and damaged e If the equipment has obvious sign of breakage 1 2 Other Safety Notes 1 2 1 Upon receipt examine the shipment box for damage Notify the carrier immediately before opening if damage is evident COTEK SR Series Inverter 1 2 2 Do not operate near water or in excessive humidity 1 2 3 Do not open or disassemble the inverter warranty may be voided 1 2 4 The DC side connections should be firm and tight 1 2 5 Grounding Reliable grounding of rack mounted equipment should be maintained
10. be connected to earth ground prior to making any other connections to the equipment 3 1 5 RS 232 Serial port monitoring and control through computer interface 3 1 6 Remote control and Dry contact terminal Remote Control Terminal Dry Contact Terminal RELAY Q m ITI Zo Z Z Z Z OOO o UU lt GOUND Normally Open ENABLE Common ENABLE Normally Closed E Remote Control Terminal COTEK ll Remote Control Terminal SR Series Inverter 1 Before installing the inverter ensure that the main switch OFF 2 Before using the remote function ensure that the main switch pressed toward REMOTE 3 Ensure that the remote contacts are off 4 Use 20 24 AWG wire to connect the remote control terminals 9 Remote control ON OFF inverter setup status ENB ENB HHINV UN CIR OND ONINV ON TR GND GND ONINV ON Br OF F INV OFF ba l ENB oO UON INV ON DC OF FINV DFF T POWER GND NOTE At one time only one remote function should used to control the inverter The maximum voltage value is 60VDC B Dry Contact Terminals Dry contact terminals may be connected to a Form C relay for FAULT indication When FAULT occurs the relay switches NOTE Fault conditions include Input unde
11. d Alarm Sets the overload alarm When the output power is higher than the set value the unit will sound beep to remind that the unit is going to shutdown At the same time the internal Dry Contact Relay will open close See details in Section 3 1 6 Default 100 Setting range 50 110 6 RS 232 Communication and Operation 6 1 Operation of the RS 232 Serial Port 6 1 1 This unit uses a standard 9 Pole D connector and three of the RS232 signal lines Signal description a GND 6 1 2 The connection between this unit and the computer is as follows Computer Power Inverter RXD RXD GND 9 GND DIR RTS 23 24 COTEK SR Series Inverter 6 1 3 The RS232 interface of this unit employs ASCII code to implement the asynchronous serial transmission control The byte structure is START BIP 8 BIT DATA STOP BIT Baud rate 1200 2400 4800 9600 See details in Section 5 3 1 6 1 4 Coupled with PC software application port Operation is as detailed in Section 6 2 6 2 Interface Commands The buffer size used for the RS232 port is 12 byte This unit will ignore all bytes more than this value During transmission this unit will indicate it is ready to receive data from computer by this DTR line A computer has to check the DTR line before sending any information to this unit This unit is normally always ready to receive data while operating When
12. e and injury To prevent possibility of this hazard use Very Fast Acting DC Fuse in line with the positive cable The fuse should be as close to the positive battery terminal as possible Use Bussmann ANN series fuses will also require Fuse Block 4164 or equivalent The following sizes of cables and fuses are recommended for up to 6 ft distance between the batteries and the inverter Applies to both 120 VAC and 230 VAC versions E Connect DC input terminals to 24V 48V battery or other DC power source is positive is negative Reverse polarity connection can blow the internal fuse and may damage the inverter permanently WARNING Make sure that all the DC connections are tight torque to 9 10 ft lbs 11 7 13 Nm Loose connections could result in overheating and can be a potential hazard COTEK SR Series Inverter NEGATIVE M8 ND EO pug PVC WIRE RING TERMINAL AWG 4 6 Q PVC WIRE RING TERMINAL a AWG 4 6 POSITIVE WARNING The recommended inline fuse should be installed as close to the battery positive terminal as possible Failure to use a fuse on the cable running Between the inverter and battery may cause damage to the cable inverter and will void warranty Also only use high quality copper wire and keep the cable length short which is a maximum of 3 6 feet NEGATIVE at Ep Jo
13. efault 4800 Setting Range 1200 2400 4800 9600 3 Buzzer Setting Sets the internal buzzer sound ON OFF When setting the LCD screen display Buzzer ON Buzzer OFF Default MSG Alert SHDN setting Range Disable Shutdown Alert Alert SHDN Message Message SHDN Message Alert MSG Alert SHDN 19 COTEK SR Series Inverter Menu Status Power ON or Push Keypad FAN Fail or UV Alarm or Overload Alarm 4 Alert Setup When alert occurs the internal Dry Contact Relay will open close See details in Section 3 1 6 Default Alert SHDN Setting Range Disable Shutdown Alert Alert SHDN Men Status Relay 5 3 2 I P Parameter Select Menu 6 OVP Setting Sets the Over Voltage Protection OVP and shutdown Default 34 VDC for 24 V Model 60 VDC for 48 V Model Setting Value Range 24 V 30 VDC 34 VDC 48 V 60 VDC MAX 7 OVP Recovery When the DC input voltage is higher than the OVP setting the inverter shuts down Once the input voltage falls below the set OVP value the inverter will automatically restart Default 30 VDC for 24 V Model 56 VDC for 48 V Model Setting Value Range 24 V 28 VDC 32 VDC 48 V 56 VDC 60 VDC 8 UVP Setting Setting the inverters Under Voltage Protection UVP and Shutdown Default 18 VDC for 24 V Model 36 VDC for 48 V Model Setting Value Range 24 V 18 VDC 22 VDC 48 V 36 VDC 44 VDC 9 UVP Recovery When the DC input voltage is below
14. encossesaxasonaess 15 O71 ECW Pane INGICAVOMS 15 5 2 Startup Sequence and Standby Status ccc eee c ec ee eee eee ee eeeeeeeeeeeeeeenaaenes 17 5 3 Setup Menu Operation and Instructions ccc cece cece eee ee nsec eee cette essen eee eeanes 18 6 RS232 Communication and Operation cccccecceeeceee een neeeeeeeeeeenneeeeeeeennnaaeeeeeens 23 6 1 Operation of the RS 232 Serial Port 0 ccc cece cee ee eee eee tena este eee eeneeeeeeeeeeens 23 62 Interac COMMANGS sare seccecce ronda brertup eo rin rain Era EETA EN a N REEN EDAN EEN e o Era i 24 6 3 Example of the RS232 Operation ccc ccc ccce cece eee ee eee e ee ee nneeeeeeeeeeenaeeeteeneeees 24 fa MOMA UON EU IIT 29 PN TOUDIESNOOUN G Ema 29 C WA e E E E E E EE EE EE E 29 Copyright This manual is the copyright of COTEK Electronic Industrial Co Ltd And may not be reproduced or copied without the express permission of the owner COTEK SR Series Inverter 1 Important Safety Instructions WARNING SAVE THESE INSTRUCTIONS This manual contains important instructions that should be followed during installation and maintenance of the inverter 1 1 General Safety Precautions 1 1 1 1 1 5 Do not expose the inverter to rain snow spray or dust To reduce the risk of fire hazard do not cover or obstruct the ventilation openings and do not install the inverter in a zero clearance compartment To
15. erter modes Local and remote management and control COTEK SR Series Inverter lE RS 232 communication E Dry contact terminal i Efficiency gt 90 Full linear load at 220VAC Output E Advanced Protection Features Input over under voltage protection Internal over temperature protection Input reverse polarity protection Fuse Output overload protection Output short circuit protection AC input short circuit protection Breaker 6 Amp or 12 Amp 2 2 Block Diagram AC GRID Jf INPUT BYPASS RELAY INPUT DC DC OUTPUT The inverter features IGBT technology which minimizes weight and dimension while enhancing output short circuit reliability and overload capacity AC output voltage is provided in one of the two following modes 1 From DC to AC Inverter Mode On line Mode 2 From AC Input Bypass Mode Off line Mode Either mode is front panel programmable In the first option Off line mode AC output power will be supplied through the AC bypass mode in its normal operation Upon AC input failure output power will be diverted through the DC to AC Inverter Mode Once AC mains are restored the unit will revert from the Inverter Mode to the Bypass Mode In the second option On line mode AC output power will be provided directly by the inverter from the DC source Should the DC source or inverter fail the system will transfer i
16. fication as nameplate Make sure the voltage of the power source when connect the equipment to the power outlet The current of load and output power of loads shall be not over the specification E This equipment must be connected to the reliable earthing before using 1 3 1 Equipment intended for installation in Restricted Access Location and Input DC terminal at back of Rack to prevent qualified service personnel can be touch COTEK SR Series Inverter 2 Functional Characteristics Introduction 2 1 System The unit is a highly reliable DC AC inverter system designed with advanced power electronic and microprocessor technology offering the following features The inverter is equipped with a self diagnosis microprocessor that is able to identify and show all failure messages on the LED LCD display with associated visual audio alarms 1U height x 19 width x 13 6 depth 19 rack mountable Pure sine wave output THD 296 to operate higher end electronic equipment Built in 15A 120VAC AND 10A 250VAC rated Bypass relay E Speeds up transfer time as a result of synchronized operation with the AC source at all times that allows the transfer to be interruption free for sensitive equipment Intelligent software for power management Hard wire and Dual AC outlets connection model option Loading and temperature controlled cooling fan Fan aging failure disconnection and blockage alarm oelectable Bypass Inv
17. hould always be a CR ODH and a LF OAH appended to the command while sending the command to this unit 1 Command to switch the Power ON OFF Format Power lt value gt Example A space ASCII code 20H is needed between Power and lt value gt lt value gt can be one of the following 0 Power off 1 Power on 2 Command to query the Output Frequency Format FRQ After Enter the units Output Frequency appears on the PC screen 3 Command to query the Output Voltage Format VOL After Enter the units Output Voltage appears on the PC screen 4 Command to query the Output Current Format AMP After Enter the units Output Current appears on the PC screen 9 Command to query the Input Battery Voltage Format BAT After Enter the units Input Voltage appears on the PC screen 6 3 3 Command for accessing Setup Menus and adjusting values 1 Select the Setup Menus with the help of Function Codes Format FUNC Function Code After Enter the Setup Menu for the Function Code will be called The Function Code gt 0 17 as follows 22 COTEK SR Series Inverter 26 Function Code Setting Menu lt Function Code Setting Menus LCD Contrast 9 UVP Recovery 1 LCDAuto off 10 UVAlam 2 RS232Baudrade 11 O P Voltage 38 Buzzer Setting 1 12 O PFrequency 4 AlrtSeting 1 13 Sync Frequency 5 NOT USED X 14 Bypass Rela
18. n to scroll through the menus L Function lt Page Down gt You can use the Page Down button to scroll through the menus Function lt Enter Setup Menu gt Press the button longer than 2 seconds The inverter will change to Setup Menu Mode which appears on the LCD screen for the user to set functions Function lt Enter gt Confirms a selection or value 5 1 4 LCD Display Displays inverter s operational status 5 2 Startup Sequence and Standby Status 5 2 1 Once turn on the inverter The display shows SR 1000 INVERTER INITIALIATION then checks the inverter Status flow is as follows COTEK SR Series Inverter OFF ON POWER SWITCH gt T SR 1000 INVERTER INITIALIATION FAILURE pr ud ALARM CHECK INVERTER Vi XX X Vi XX X Vo XXX UVP Shutdown OK FQ XX X lo X X OR 1Sec Vi XX X Vi XX X Vo XXX Exchange OVP Shutdown FQ XX X lo X X Alert OR Undervoltage Vi XX X OR OTP Shutdown Alert OR Overload Vi XX X OR OLP Shutdown Alert Fan Failure 5 3 Setup Menu Operation and Instructions Entering Setup Menu Press Button longer than 2 seconds The inverter enters the oetup Menus consisting of three layers 1 Select Menu Heading 2 Select Menu Item 3 Setting Value COTEK SR Series Inverter
19. nput Breaker The AC input circuit breaker protects the unit from overload When an overload condition occurs the circuit breaker trips and disconnects the AC grid power input To reset it push the circuit breaker button The cause of tripping should be ascertained and corrected before the unit is reset 3 1 2 Hard wire Installation AC wiring connections E AC input and AC output terminal TRANSFER RELAY preme CE IE UE q I O INVERTERZL OINVERTER N j AC INPUT 20 BREAKER o 9 g6 S si NN A L L hoe AC DUTPUT N a HIC AC INPUT N CL DAD e CE LD AC BUTPUT L Qu QO AC INPUT L ll Connect AC output and AC input wiring to the Inverter terminals Please use the following information as your reference COTEK SR Series Inverter Wire length Terminal 120 BED 230 VAC gauge AC Output Line Blask Brown NO 141 AC Input 26 32 feet Neutral N White Blue awa 12 14 Chassis Ground Green Yellow or Bare copper Note Please double check and review all the connections to ensure that the wires are connected to the correct terminals and that the connections are tight 3 1 3 AC output socket E 110VAC 230VAC NEMA I E C 60320 C13 3 1 4 Chassis Ground Must
20. perating in normal condition when either of the following messages are displayed on the LCD screen COTEI PURE SINE WAVE INVERTER Vis240 Vo 115 BYPASS Y LI LED s Be LCD DISPLAY INDICATORS DISPLAY SELECTION BUTTONS COTEK SR Series Inverter 9 1 2 LED Indications B AC GRID Displays AC input status AC input and DC AC Inverter Output are Synchronous Note Synchronous means that the grid AC input frequency and DC AC inverter output frequency or phase are the same See details in section 5 3 3 E INVERTER Displays DC AC inverter status ll BYPASS Displays Transfer Switch status From DC AC inverter AC Input On line Mode DC AC Inverter From AC input bypass AC Input Off line Mode DC AC Inverter ALARM Displays status of the Failure Alarm Over Under Alarm FAN Alarm Set alarm in the inverter to Off operate normally NOTE For instructions on setting the alarm see details in Section 5 3 5 1 3 LCD Display Selection Buttons COTEK SR Series Inverter B Function of Various Keys A Function lt Up gt You can use the up button to scroll through the menus or to select the value for set up under setting mode de Function Down You can use the Down button to scroll through the menus or to select the value for set up under setting mode A Function Page Up You can use the Page Up butto
21. r over voltage Output Short Circuit Over Temperature Over load and Fan Failure Specifications of the Relay Maximum Load Bu EE Number of Operating Storage Voltage a NC operations Temperature 240 VAC Ress GATT OO 100 000 240 VAC Resistive 8A 30 VDC Resistive 16A 30C 70C 30VDC Resistive 8A COTEI SR Series Inverter ll Remote Control Terminal Dry Contact Terminal Normally closed contact Normally open contac 3 1 7 DC Input Connection Follow the instructions to connect the battery cables to the DC input terminals of the inverter The cables should be as short as possible less than 6 feet 1 8 meters ideally so that they can handle the required current in accordance with the Electrical Codes and Regulations The size of the cable should be thick enough to limit the voltage drop to less than 2 when carrying the maximum input current to prevent frequent low input voltage warnings and shutdown UVP Under Voltage Protection warning may result if there is excessive voltage drop across the DC cables between the batteries and the inverter Increasing your DC cable size will help improve the situation Batteries are capable of providing very large currents in case of short circuit In case there is a short circuit in the cable run between the batteries and the input terminals of the inverter it will result in overheating melting of the cables and consequent risk of fir
22. the set UVP value the inverter shuts down Once the input voltage rises above the set UVP value the inverter will automatically restart Default 25 VDC for 24 V Model 50 VDC for 48 V Model 20 COTEK SR Series Inverter Setting Value Range 24 V 23 VDC 27 VDC 48 V 46 VDC 54 VDC 10 UV Alarm Sets Under Voltage UV alarm When the input voltage is lower than the set value the unit will sound beep to remind that the unit is going to shutdown At the meantime the contact in the internal Dry Contact Relay will open close See details in Section 3 1 6 Default 21 VDC for 24 V Model 42 VDC for 48 V Model Setting Value Range 24 V 19 VDC 23 VDC 48 V 38 VDC 46 VDC NOTE The value of voltage set for the UV Alarm should be equal to or higher than the value set for UVP or else the unit will shutdown without any audible warning 5 3 3 O P Parameters 11 O P Voltage Set the inverter output voltage Default 110 VAC for 110 V Model 230 VAC for 220 V Model Setting Value Range 110 V 97 VAC 123 VAC 220 V 194 VAC 246 VAC 12 O P Frequency Set the inverter output frequency Default 60 Hz for 110 V Model 50 Hz for 220 V Model Setting Value Range 110 V 47 Hz 63 Hz 220 V 47 Hz 63 Hz 13 Sync Frequency Sets the AC output synchronous frequency Example AC input 230 VAC 50Hz User setting Value 7Hz When the DC to AC inverter Frequency is within The Range of 43 Hz 57 Hz the internal transfer rela
23. ts output power through the bypass mode Once the DC power source is restored the system will revert to the inverter mode COTEK SR Series Inverter 2 3 Electrical Performance em SRtoooT tze sonore smi000T 224 SR000T 248 47 63Hz 0 5 User selectable 97 123VAC User selectable 194 246VAC User selectable Short Circuit Protection Yes Ipk Output Waveform Pure Sine Wave THD lt 2 Voltage 24VDC 48VDC 24VDC 48VDC Input Over Voltage Protection 30 34VDC 60VDC Max 30 34VDC 60VDC Max Input Under Voltage Protection 18 22VDC 36 44VDC 18 22VDC 36 44VDC Voltage Range 18 34VDC 36 60VDC 18 34VDC 36 60VDC LCD Panel 2 Lines LCD panel with keypad for navigation LED Indicator Input voltage level output load level and faulty status Signal and Control Dry Contact Terminal By a relay Remote Control Terminal RJ 11 Input Protection Over Under voltage reverse polarity Internal fuse AC Output Protection Short circuit overload Protection AC Input Protection 12 Amp circuit breaker 6 Amp circuit breaker Temperature Protection Shutdown Internal temperature 65 C Relay Specification 15Amp 120VAC 10Amp 250VAC Bypass relay selectable On Line Off Line Haphazard Normal Exacting selectable Bypass Relay From AC bypass mode Off line mode lt 20mS Switching Time From DC to AC inverter mode On line mode lt 8mS Working Temperature Full load 0 C 50 C Environment Storage 30 C 70 C Safety Stand
24. ut voltage Recharge battery UVP Check connections and cables d LCD Panel Display Thermal shutdown Improve ventilation OTP shutdown OTP Make sure ventilation grilles slots of the inverter are not obstructed Lower ambient temperature 7 2 Warranty We guarantee 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 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 Cotek is not liable for anything that occurs as a result of the user s fault 29 COTEK No 33 Sec 2 Renhe Rd Daxi Township Taoyuan County 33548 Taiwan Phone 886 3 3891999 FAX 886 3 3802333 E mail sales cotek com tw http www cotek com tw 2014 11 A1
25. y 6 OVPSeting 15 Overload Alarm 8 UVPSetig 17 NOT USED 2 Command to query the Functions No Format FUNC After Enter the units Function Code appears on the PC screen 3 Command to query the set value of the Function Format SETT After Enter the existing set value of the function appears on the PC screen 4 Command to set or adjust the value of the Function Format SETT value After Enter the new value of the Function is set Choose the value of the function as follows FUNC 0 LCD Contrast Setting Menu SETT value LCD Contrast O 100 FUNC 1 LCD Auto off _SettingMenu __ SETT lt value gt LCD Auto off Disable 250 FUNC 2 RS232 Baud rate Setting Menu SETT value LX 39 232 Baud rate COTEK SR Series Inverter FUNC 3 Buzzer Setting Setting Menu SETT value Buzzer Beep sound Disable Shutdown Alert 3 Alet SHDN FUNC 4 Alert Setting Setting Menu SETT value Alert 0 Diabe 1 Shutdown 2 Alert Setting Alert 3 Alert SHDW FUNC 6 OVP Setting Setting Menu SETT value Model P SR1000T 124 SR1000T 224 SR1000T 148 60 MAX SR1000T 248 FUNC 7 OVP Recovery Setting Menu SETT value Model an SR1000T 124 SR1000T 224 SR1000T 148 96 60 SR1000T 248 FUNC 8 UVP Setting Menu SETT value LIAE 124 UVP Setting S
26. y will operate normally When the Frequency is less than 43 Hz or more than 58 Hz the internal transfer relay will de energize See details in Section 2 2 Default 0 1Hz 7Hz Setting Value Range 0 1 Hz 7 Hz 0 1 Hz 7 Hz 110 V 230 V 21 COTEK SR Series Inverter 14 Bypass Relay The setup is provided in one of the following two ways On line Mode or Off line Mode Exacting Normal Haphazard Default Normal Off line Mode Menu gaitehing Feature Switching Feature The transfer relay will switch ON or OFF based on Exacting conformance to the Phase and Sync Frequency window that has been set Function Code 13 The transfer relay will be ON if AC input Grid power is OFF LINE available The DC AC inverter See details in Section 5 3 will remain synchronized and Normal Phase with the incoming AC power Grid The relay will NOT switch off if the grid frequency is beyond the range set under Sync Frequency window Function Code 13 The transfer relay will switch ON or OFF Conformance to Haphazard phase and frequency synchronization will not be considered ON LINE See details in Section 5 3 Frequency Phase Synchronous Synchronous le F L Phase l l l l l l l I DC AC inverter DC AC inverter e l l l l l AC input GRID AC input GRID La Phase 22 COTEK SR Series Inverter 15 Overloa
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