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Inverter / Charger COMBI - Canadian Power Conversion

1. 54 8 es as eee 63 8 1 OMe roenceumerearosneccteoseacenteusyereaceentscloesancweswevnosedcmeneeebaveeroenent 63 8 2 VA en nn ee ae er 64 Inverter Charger COMBI 1 Important Safety Instructions 1 1 Warnings And Symbols Safety instructions and warnings are marked in this manual by the following pictograms Supplementary information on operating the device CAUTION Safety instruction Failure to observe this instruction can cause material damage and impair the function of the device CAUTION Safety instruction relating to a danger from an electrical current or voltage Failure to observe this instruction can cause material damage and personal injury and impair the function of the device WARNING SAVE THESE INSTRUCTIONS This manual contains important instructions that should be followed during installation and maintenance of the Combi unit gt gt DE 1 2 Use For Intended Purpose General Safety Precautions The Combi unit is constructed as per the applicable safety technical guidelines For the charging of lead acid batteries and the supply of users attached to these batteries in permanent systems For the conversion of a DC voltage from a battery to and AC voltage Connected to a dedicated double pole circuit breaker and earth leakage switch With a fuse protection the wiring betwe
2. Inverter Charger COMBI 7 RS 232 Communication and Operation 7 1 Operation of RS 232 serial port 7 1 1 7 1 3 See reference 5 2 9 If you want to install a the computer run the communication cable between Combi unit and the computer Connect the RS 232 port to front on the Combi unit However you can be remote control and monitoring to the Combi unit 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 9600 Coupled with PC software application port Operation is as detailed in Section 7 2 2 Example of the RS232 Operation 7 2 1 yo RS 232 command Command format This unit uses high level language commands with a CR ODH 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 CR Command executed successfully gt CR Command error not accepted gt CR 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 then send the response string to the computer Command format This unit supports the following command format There should alway
3. ee 124 2800 3200 100 1V 29 0V lt 2900 gt 5 2000 224 COTEK Inverter Charger COMBI FUNC 34 Equalization stage timer setting SET T lt Value gt Default 10 1200 100 1 Hr 8 Hr lt 80 gt FUNC 35 Equalization stage Enable Disable setting SEIT Value Power Sharing Mode Default Select the REHTY 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 0 17 as follows Function Function REHTY Menus Code Code Power output W H Short time Power output Time Heat sink temp fail time Power input W H Environment temp fail time 7 DisCharging Time 16 Battery OTP time _ OLPtim 17 Chargngcyde 1 Users can be the command to query the Functions No Format FUNC After Enter the unit s Function Code appears on the PC screen 2 Users can be the command to query the Combi unit history data Format REHTY After Enter the Combi unit history data of the function appears on the PC screen 3 Select the REUDF WRUDF 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 31 as follows Function Function Setting Menu Setting Menu 0 UserDef 0 UserDef 16 1 UserDef 17 Charging AH 09 10 NE E
4. COMBI Power On User Interface LCD Contrast OVP Setting OVP LCD Auto off Recovery Buzzer Setting UVP Setting UVP Alert Setting Recovery E 4 T Shutdown UV Alam Saving Inv off Delay interval Ground Language Relay NEW Password D Setup Switch 46 COTEK Inverter Charger COMBI 6 4 1 Select Menu Heading The manual is used to show the status of the running Combi unit The user can make selections by switching on or UP or Ov DOWN lg xx x Display the Grid O P current Vg xxx x Display GRID O P voltage FQ xx x Display the Grid frequency W xxx gt Display the Grid O P Power Ib XXX Vb XXX lb Display the current status of Battery Ib xxx to indicate the value of discharging current in discharge mode Ib xxx to indicate the value of charging current in charge mode C xx x Display BAT Temp to indicate the ambient temperature Vb xx x Display the charge or discharge voltage of the battery J U 0 Displays the status of charging cycle BULK ABSORPTION or FLOAT BULK Phase 1 M ABSORPTION Phase FLOAT Phase li xx x Display the INV output current Vi xxx x gt Display the INV output voltage FQ xx x Display the INV frequency W xx x Display the INV output power 6 4 2 Change Run Mode Combi Charger mode control when the Combi unit
5. This is LCD remote control panel ground and with battery negative is different 44 COTEK Inverter Charger COMBI 6 3 Startup Sequence and Standby Status 6 3 1 Once turn on the Combi unit The LCD display shows System startup please then checks the Combi unit Status flow is as follows System Initialiation System startup piease wait FAILURE ms ALARM CHECK Combi unit gt Vb XX X Vi XX X Vo XXX UVP Shutdown OK FQ XX X OR 1Sec Vb XX X Exchange OVP Shutdown Alert OR Undervoltage BAT Temp XX X C OR OTP Shutdown Alert OR Overload Vo XX X OR OLP Shutdown li XX X XXX Fan Failure FQ XX X W XX X o o a o 45 COTEK Inverter Charger COMBI 6 4 Setup Menu Operation and Instructions Entering Setup Menu Press Button longer than 2 seconds The Combi unit enters the select Menus consisting of four layers 1 Select Menu Heading 2 Select Menu 3 Select Menu Item 4 Setting Value Ig XX X Vg XXX X Ib XXX C XX X Vi XXX X W XXX VbeXxXx FQ XX X W XX X Change Another P S Mode Run Mode Param Param CHR Input lac Power Power On Password Setup Sharing O P Charger RST to Parameter Parameter Parameter Default O P Voltage Ibat Setup O P Second Frequency Charger Sync Max Bulk Frequency Timer Overload B T Alarm Level Setup
6. Enable Disable 49 COTEK Inverter Charger COMBI B P Parameter 1 OVP Setting Setting Combi unit the Over Voltage Protection OVP and shutdown on the inverter operate Default 16 VDC 12V Model 32 VDC 24V Model Model 12V 24 V oetting value range 15 VDC 16 VDC 30 VDC 32 VDC 2 OVP Recovery When the dc input voltage is higher than the OVP setting the Combi unit shuts down once the input voltage falls below the set OVP value the Combi unit will automatically restart Default 14 5 VDC 12V Model 29 VDC 24V Model Model 12V 24 V oetting value range 13 5 VDC 14 5 VDC 27 VDC 29 VDC 3 UVP Setting Setting the Combi unit Under Voltage Protection UVP and Shutdown on the inverter operate Default 10 5 12V Model 21 VDC 24V Model Model 12V 24 V oetting value range 10 5 VDC 11 5 VDC 21 VDC 23 VDC 4 UVP Recovery When the DC input voltage is below the set UVP value The Combi unit shuts down Once the input voltage rises Above the set UVP value the Combi unit will automatically Restart Default 12 5VDC 12V Model 25 VDC 24V Model Model 12V 24 V Setting value range 12 5 VDC 13 5 VDC 25 VDC 27 VDC 5 UV Alarm Setting Under Voltage UV alarm When the input voltage is lower than the set value the Combi 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
7. FUNC 0 LCD Contrast SETT Value Default FUNC 1 LCD Auto off SET T lt Value gt Default 0 250 120 S FUNC 3 Buzzer Setting SETT Value Buzzer Beep sound Default Disable SHDN Alert E MSG Alert MSG Alert SHDN FUNC 4 Alert Setting Sepa Default Disable SHDN COTEK FUNC 5 Shutdown Retry SETT lt Value gt Default 0 15 FUNC 6 Sync Frequency SETT lt Value gt Default Disable 70 10 1Hz 7 0Hz lt 70 gt FUNC 7 Battery Type SETT lt Value gt Type Default FUNC 8 Saving Level SETT lt Value gt LOAD Default gt 160W gt 180W 7 gt 220W FUNC 9 Ground Relay SETT lt Value gt Default FUNC 10 Second Charger SETT lt Value gt 5A Output Default FUNC 11 Change Run Mode SETT lt Value gt Default CHR Power ON COMBI Power ON Inverter Charger COMBI 57 COTEK Inverter Charger COMBI FUNC 12 P S Mode Parameter SETT lt Value gt Power Sharing Mode Default SHAR GEN SHAR SUPP 7 SHAR SUPP GEN FUNC 13 Inv Off Delay SET T lt Value gt Default 0 100 10 1 5 0 min lt 50 gt FUNC 14 Overload Alarm SET T lt Value gt Default 00 110 100 SETT Value 2 FUNC 15 Saving Interval SETT lt Value gt Default 1 20 10 1 sec 2 0 sec lt 20 gt FUNC 16 lac Setup SETT lt Value gt Default SB2000 112 100 50
8. GEN Another Parm Press tton before of enters the Another Parm menus To access the settings menu contents a level password must be provided For increased protection certain sensitive parameters are protected by a level password than an authorized operator must provide B User interface 1 LCD contrast Sets the LCD screen contrast Default 5096 setting range 0 100 2 LCD Auto off Sets the LCD screen backlight auto off timer Default 120 seconds setting range 0 250 seconds 3 Buzzer setting Sets the LCD remote control panel internal buzzer sound ON OFF When set the function have appears on the LCD screen The buzzer will occurs Beep sounds Default MSG Alert SHDN Setting range Disable SHDN Alert Alert SHDN MSG MSG SHDN MSG Alert MSG Alert SHDN Inverter Charger COMBI MSG Power on or push keypad Alert SHDN OVP or UVP or OLP or OTP Disable Any 4 Alert Setting When alert occurs the Combi unit internal dry contact relay will open close see details in section 5 2 8 Default Alert SHDN Setting Range Disable SHDN Alert Alert SHDN Menu Alert Fan fail or UV alarm or Overload alarm SHDN OVP or UVP or OLP or OTP Disable Any 5 Shutdown retry when the Combi unit occurs OVP shutdown or UVP shutdown or overload or short circuit shutdown anyway The Combi unit can be automatically restart and should according to setting val
9. INV AC OUTPUT POWER ACINPUT DC BATTERIES Fig 4 Charger mode 3 3 2 Transfer Switch And Connector on The Front The Combi unit has two AC outputs available INV AC output The INV AC output output switches between the AC input and the output of the inverter The AC input has the highest priority In principle AC power is always available on this output However during a switchover the loads connected to this output are not supplied with AC power for a very short period of time short break It is the ideal output for loads that need AC power permanently like personal computers interior lighting and the refrigerator AC output This output is always internally connected to the AC input It is therefore only available when an external AC source like shore power a generator or an outlet is present Larger loads like a hot water boiler electric cooking appliance or washing machine should be connected to this output See fig 5 CASE Bypass Relay Connector INVERTERIL HC e 1 Grid L 50 AC Input INVERTER N gt 4 Grid 30A Breaker Load L 50A MAX AC Output Load N Load L INV AC Output Load A Ground Relay E o Fig 5 AC Input Output contact 13 Inverter Charger COMBI 3 3 3 Power sharing function selectable If the available power at the AC input is limited and the l
10. See details in Section 5 2 8 Default 10 5 VDC 12 V Model 21 VDC 24 V Model Model 12V 24 V NOTE The value of voltage set for the UV Alarm should be equal to or JM MES setting value range 10 5 VDC 11 5 VDC 21 VDC 23 VDC higher than the value set for UVP or else the unit will shutdown without any audible warning B O P Parameters 1 Voltage Setting the Combi unit output voltage on the inverter operate Default 110 VAC 9110 V Model 230 VAC 230 V Model 50 COTEK Inverter Charger COMBI Model 110 V 230 V oetting value range 100 VAC 120 VAC 200 VAC 240 VAC 2 O P Frequency Setting the Combi unit output frequency on the inverter operate Default 60 Hz 110 V Model 50 Hz 230 V Model Model 110 V 230 V oetting value range 47 Hz 63 Hz 47 Hz 63 Hz 3 Sync Frequency If a generator with distorted Output waveform too low frequency is used as AC source The allowed frequency window for the incoming AC power can be enlarged Example1 AC input 230 VAC 50Hz User setting Value 7Hz When the Combi unit Output frequency is within The Range of 43 2 57 Hz the internal transfer relay will close When the output frequency is less than 43 Hz or more than 57 Hz the internal transfer relay will still open Example2 When user setting Value Disable the Combi unit Output frequency is within The Range of 47 Hz 63 Hz the internal transfer relay will
11. This means that the charge current of the Combi unit will be reduced to OA See fig 7 Inverter Charger COMBI 3 3 4 AC OUTPUT POWER ACINPUT V 1 H e 10A AZ 4 AC 10 INPUT DC SHARING CONTROL 12 1 1 BATTERIES Fig 7 Power Sharing Function II Generator function selectable If the demand for AC power still increases the external AC circuit breaker Still trip if nothing is done This problem can be solved by the Generator function lf the total demand for energy exceeds the maximum external power supply energy can be added to the AC outputs and INV AC Output by means of the inverter This appliance can be automatically connected in parallel with the external power supply AC OUTPUT POWER INV AC OUTPUT elay AC INPUT 0 PENEI 10A 11 gt n Max 10A AC INPUT T Fi J GENERATOR MAINS Approx SUPPORT FUNCTION 200A DC 12 BATTERIES Fig 8 Generator Function See fig 8 Here the AC input is still limited to 10 Amps This is not enough to supply the total load 6 11A 17A connected to the AC outputs When the Generator function is enabled the inverter will supply the remaining 17 10 7A This means that the restricted amount of external AC power will be compensat
12. You can use the Page Up button to scroll through the menus Function Page Down You can use the Page Down button to scroll through the menus Function Enter Setup Menu Press the button longer than 2 seconds The Combi unit will change to Select Menu which appears on the LCD screen for the user to set functions Function Enter Confirms a selection or value o ON OFF Function lt ON OFF gt The Combi unit can be activated by the button Press ON OFF button the Combi unit to startup If you want to turn OFF the Combi unit Press the ON OFF button longer than 3 seconds 6 1 4 LCD Display Displays Combi unit operational status See also section 6 3 for detailed 6 2 LCD Rear View Introduction 42 COTEK Inverter Charger COMBI 6 2 1 6 2 2 Jump reference 1 The J1 jump is placed inside the remote controller and it is to indicate either Return Override Function or Ignition Lockout Function e Ji jump open Return Override Function e J2 jump short Ignition Lockout Function yN The J1 jump default mode is short Green Terminal reference 2 1234 ALM PIN1 When the Combi unit has the warning or the protection produce simultaneously this ALM pin will changing output to 5 Volt 10mA control signal to provides the user E ALM HI Bu
13. 20 24 AWG wire to connect the remote control terminals 3 Remote control ON OFF Combi unit setup status Enable M ENB Ground i GND Enable 4 ENB c ENB o ON Combi unit Hi Combi unit ON TR ON 27 OFF Combi unit OFF LOW Combi unit OFF TR OFF GND o GND ON Combi unit OFF Combi unit OFF BAT ENB 07 6 4 Q ON Combi unit DC POWER ENB 229 OFF Combi unit OFF GND RE NOTE At one time only one remote function should used to control the LH Combi unit The maximum voltage value is 60VDC in the ENB 5 2 8 Dry Contact Green Terminal reference 8 Relay N O COM N C Normally Open Common Normally Colsed Dry contact terminals may be connected to a Form C relay for FAULT indication When FAULT occurs are provided with two sets of alarm contacts RE NOTE Fault conditions include Input under over voltage Output Short Circuit Over Temperature Over load and Fan Failure 31 COTEK Inverter Charger COMBI Specifications of the Relay Maximum Contact Rating Number of Operating Storage Voltage Load operations Temperature 250 VAC Resistive 1A 100 000 250 Resistive 24VDC Resistive 1A 30C 75C 24VDC Resistive 1A 5 2 9 Remote Control Of The Phone J
14. 27 7 7 4 4 4 19 4 ern 24 4 1 ON 24 4 2 POWER MPH 24 4 3 Selectable CHR Power ON 24 4 4 FOES O cians eacien E E EEE 24 5 Installation And 0 0 000112 24 5 1 LID AGING 25 5 2 mine ui ee eee ee ene ee ee ee ee 25 5 3 Move the LCD Control Panel 34 Inverter Charger COMBI 5 4 PCAN NING RU TU Tm T 38 5 5 TD FAW 39 6 LCD Remote Control Panel Display amp Setup 40 6 1 LCD Panel 2 7402 2 0 0 0202 020202020022 22222 40 6 2 LCD Rear View 2 2 2 4 43 6 3 Startup Sequence and Standby 46 6 4 Setup Menu Operation and Instructions Entering Setup Menu 47 7 RS 232 Communication and 53 7 1 Operation of RS 232 Serial 0 20 0 72 2 53 7 2 Example of the RS232
15. Port At present has not used the reservation may make the parallel use in the future 5 ao Ethernet Port The user can use RJ 45 cable line to connect to this port to manage and control the COMBI unit through SNMP NOTE Ethernet function at user option and be purchased upon request 5 2 10 Reset Press the reset button when the Ethernet is not working normally 5 3 Move The LCD Remote Control Panel Place 5 3 1 How remove the LCD remote control panel User can remove LCD remote control panel on the Combi unit And can fixed in the operation convenient place or is position As followers fig otep 1 Loosening the screw in the front of the Combi unit then will plastic pushes forward Remove the front 34 COTEK Inverter Charger COMBI Step 2 Loosening the screw in the top of the Combi unit then first will the top plastic push front way Remove the top plastic Wu 2 wag 58 3 4 Step 3 Loosening the screw in the Icd remote control panel of the Combi unit then remove the LCD remote control panel and will the cable wire taking in the rear The cable wire can fixed in the RJ 45 fixed Position connector 35 COTEK Inverter Charger COMBI 3 5 3 2 Combination the Combi unit In remove LCD remote control panel after on the Combi unit You must Combination the Combi unit As followers fig otep 1 Will lock in the top head sheet iron takes down and will the LCD
16. Power input Time 12 Battery Max voltage 13 o 14 15 10 11 12 13 14 15 16 17 2 18 UserDeff1i8 3 UserDe 3 19 UserDeft9 4 20 _ 5 21 UserDeff21 _ 61 Inverter Charger COMBI 6 UserDef6 22 UserDef 22 8 UserDe 8 24 UserDef 24 9 25 1 Users be the command to query the Functions Format FUNC After Enter the unit s Function Code appears on the PC screen 2 Users if want to read the Combi unit set value This setting value defers to the user meaning to do set can be the command to read the Combi unit set value Format REUDF After Enter the existing set value will appears on the PC screen Users if want to set a word to the Combi unit by means can be the command to set value of the Function Format WRUDF value The value maximum is two words only After Enter the new value will save of the Combi unit 8 Trouble Shooting 8 1 Fault Indicators WARNING Do not open or disassemble the Combi unit Attempting to service the unit may cause risk of electrical shock or fire If a failure occurs the origin of the failure is displayed by means of the LCD remote control panel LEDS and display Problems and Symptoms Possible Cause No output and LCD none Illuminating o The Combi unit power Check the on
17. current can be adjust on the Ibat setup Default 50 0 A 12V model 25 0 24V model Setting value range 20 0A 100A 10 0A 50 0A 2 Second charger The Combi unit can be used to give a maintenance charge to a small battery The second charger output current maximum Users can set turn ON or turn OFF on the charger power output Default ON Setting range OFF 3 Max Bulk timer The Combi unit is a three step plus charging method and guarantees that the batteries are always charged 100 This three automatic stages BULK ABSORPTION and FLOAT The first step of the three plus charge system is the BULK phase The Combi unit can be adjust on the phase timer See details in fig 12 Default 8 hours Setting range 8 18 hours 4 Battery type Users can be setting for the battery type see details in section 5 2 10 Default Gel Setting range Gel Flooded AGM 1 AGM 2 Customer be used with a battery bank that consists of 2V GEL cells Bulk Voltage Battery Type Customer 14 0 15 0VDC 14 0 15 0VDC 13 0 14 0VDC RH To be selected by the customer on the manufacturers recommendations if available 5 RST to default The Combi unit you can restore all the factory settings select the items RST to default and press lt Enter gt The screen ON appears on the display press lt Enter gt to restore the factory settings 52
18. naturally also on the degree to which the batteries were discharged to begin with The bulk phase is followed by the absorption phase Absorption charging starts when the voltage on the batteries has reached 14 4V 12V models 28 8V 24V models 25 C 77 F and ends when the battery is completely full Battery voltage remains constant at 14 25V 12V models 28 5V 24V models 25 C 77 F throughout this stage and the charge current depends on the degree to which the battery was initially discharged the battery type the ambient temperature and so on With a wet cell battery this stage lasts some four hours with gel and AGM around three Once the battery is 100 full the charger automatically switches over to the float phase see Fig 12 During the float phase the Combi unit switches to 13 5V 12V models or 27 24V models 25 C 77 F and stabilizes this voltage to maintain the batteries In an optimum condition Connected DC loads are powered directly by the charger If the load is higher than charger capacity the required additional power comes from the battery which will be progressively discharged until the charger Inverter Charger COMBI automatically switches back to the bulk phase Once consumption decreases the charger goes back to normal operation of the three step charge system As the Combi unit is equipped with a three step Plus charge system the batteries can also remain connected to the Co
19. remote control panel hole cap Loosening the screw d 2 Step 2 Will the top plastic Combination in the Combi unit on the front and make sure that all the screw are tight gt 36 COTEK Inverter Charger COMBI Step 3 Will the front plastic Combination the Combi unit on the top and make sure that all the screw are tight 5 3 3 Installation LCD remote control panel User can be installation the LCD remote control panel in anywhere and you can using the LCD remote panel to control the Combi unit see Chapter 6 The cable wire you can reference 5 2 9 of the LCM PORT the wire less than 32 8 feet 10 meters As followers fig SS o 1 IH IH lf l Inverter Charger Controller 52 37 COTEK Inverter Charger COMBI 5 4 Rear Panel Rear Panel View FAN 1 FAN2 FAN ventilation grille 1 2 The fans behind the ventilation grilles provides cooling DOT NOT obstruct these vents Maintenance 5 4 1 sure that the fan vents not blocked 5 4 2 Use a vacuum cleaner to remove any dust from the fan area 5 4 3 When cleaning the case or rear panel use a soft dry cloth only If the case or rear panel is very dirty use a neutral non abrasive detergent Do not use alcohol or ammonia based solutions 5 4 4 Regular service and relocation
20. short circuit Y 1 2 overload or short circuit QO 0 Battery no under voltage alarm 1 1 j Battery under voltage alarm 6 Users can be the command to query the Combi unit AC input of the grid power Format VGRID After Enter the unit s AC input voltage appears on the PC screen 7 Users can be the command to query the Combi unit AC input of the grid current Format IGRID After Enter the unit s AC input current appears on the PC screen 8 Users can be the command to query the Combi unit DC input voltage of the battery Format VBAT After Enter the unit s DC input voltage appears on the PC screen 9 Users can be the command to query the Combi unit DC input current of the battery Format IBAT After Enter the unit s DC input voltage appears on the PC screen 54 COTEK Inverter Charger COMBI 7 2 3 10 Users can be the command to query the Combi unit contact temperature sensor on the battery Format TBAT After Enter the unit s Battery Temperature appears on the PC screen 11 Users can be the command to query the Combi unit internal temperature Format TENIR After Enter the unit s Internal Temperature appears on the PC screen 12 Users can be the command to query the Combi unit output power of the inverter Format PINV After Enter the unit s Output Power appears on the PC screen 13 Users can be the command to query the Comb
21. voltage is perfectly reliable even when limited external AC power is available External AC power can be supplied by a public grid or a generator DC power can be delivered by charged batteries 3 1 Battery Charger Introduction The built in battery charger is electronically controlled It is designed for optimal recharging of both wet cell gel cell and AGM deep cycle batteries Battery charging is accomplished in three automatic stages BULK ABSORPTION and FLOAT With an external AC source connected the Combi unit charger also serves the functions of an AC to DC converter to supply DC loads which are connected to the battery Simple automatic operation is made possible by the microprocessor that is the brain of the inverter charger Combination In most cases the unit is left on and no attention or maintenance is required Inverter Charger COMBI BULK BATTERY VOLTAGE ABSORPTION FLOAT CURRENT Fig 1 Three step charge system 3 1 1 Three step Plus charge system See fig 1 The first step of the three step Plus charge system is the BULK phase in which the output current of the charger is 100 and the greater part of the capacity of the battery is rapidly charged The current charges the batteries and gradually the voltage rises to the absorption voltage of 14 4V 12V models or 28 8V 24V models 25 C 77 The duration of this phase depends on the ration of battery to charger capacity and
22. 0 10 1A 10 0A lt 100 gt 582000224 5 5 2000 212 30 250 10 1 3 0 lt 30 gt 85000 524 17 Max Bulk Timer SETT lt Value gt Default 8 180 10 1 Hour 8 0 Hr 80 FUNC 18 OVP Setting SETT Value Default SB2000 112 1500 1600 9100 1 16 0V 1600 2000 112 5 2000 212 _ _ SB2000 124 3000 3200 100 1 32 0V lt 3200 gt SB2000 224 58 COTEK Inverter Charger COMBI FUNC 19 OVP Recovery SETT lt Value gt Default B2000 112 1350 1450 100 1 14 5V 1450 SB2000 12 EU 124 2 00 2900 100 1V 29 0V lt 2900 gt B2000 124 SB2000 224 FUNC 20 UVP Setting SETT Value Default SB2000 132 1050 1150 100 1 10 5V 1050 SB2000 12 EU 124 2100 2300 100 1 21 0V lt 2100 gt B2000 124 SB2000 224 FUNC 21 UVP Recovery SETT lt Value gt Default B2000 112 1250 1350 100 1 12 5V 1250 SB2000 212 EU 124 2500 2700 9100 1 25 0V 2500 SB2000 224 FUNC 22 UV Alarm SETT Value Default 1050 1150 100 1 10 5V 1050 2 E 5 2000 212 5 2000 124 2100 2300 100 1V 21 0V lt 2100 gt SB2000 224 FUNC 23 O P Voltage SETT Value Default SB2000 112 1000 1200 9100 1 110V 1100 5 2000 124 124 282000124 212 2000 2400 100 1V 230V 2300 5 2000 224 524 FUNC 24 Frequency SETT lt Value gt Default 4
23. 70 630 10 1Hz 60Hz lt 600 gt 5 2000 124 5 2000 212 470 680 10 1Hz 50Hz lt 500 gt SB2000 224 59 COTEK Inverter Charger COMBI 60 FUNC 25 Setup SETT lt Value gt Default B2000 112 200 1000 10 1A 50 0A 500 SB2000 12 EU 124 100 500 10 1A 25 0A lt 250 gt 554 FUNC 26 After Enter will the combi unit dip switch on the front set value appears on the PC screen FUNC 27 After Enter will the combi unit series number 0 appears on the PC screen FUNC 28 After Enter will the combi unit series number 1 appears on the PC screen FUNC 30 Bulk stage voltage setting SETT lt Value gt Default 1400 1500 100 1V 14 5V lt 1450 gt 5 2000 112 5 2000 212 SB2000 124 2800 3000 100 1V 29 0V lt 2900 gt B2000 124 SB2000 224 FUNC 31 Absorption stage voltage setting SETT Value Default 1400 1500 100 1 14 5V 1450 SB2000 112 5 2000 212 SB2000 124 2800 3000 100 1V 29 0V lt 2900 gt 82000 124 _ SB2000 224 FUNC 32 Float stage voltage setting SETT lt Value gt Default SB2000 112 1300 1400 100 1 13 5V 1350 SUDO SB2000 212 EAA 124 2600 2800 100 1 27 0V lt 2700 gt B2000 124 SB2000 224 FUNC 33 Equalization stage voltage setting SETT Value Default 1400 1600 100 1V 14 5V 1450 zia aL SB2000 212
24. Amps This is not enough to supply the total load 6 9A 15A connected to the AC outputs Now when the support function is enabled the transfer relay will open When opened the external power source will deliver 6Amps to supply the load connected to the AC output output only while the inverter will deliver 9Amps for the load connected to the INV AC output If the power consumption of the AC output output exceeds the setting of the support function the external AC fuse or circuit breaker will still trip COTEK Inverter Charger COMBI 3 3 6 Support and Generator function selectable If user will support function and generator function both simultaneously enable The Combi unit inverter will operate in parallel with the external AC power source and when not enough to supply the total load connected to the AC output and INV AC output The transfer relay will open AC OUTPUT 6A AC INPUT Ll INV AC OUTPUT 6A 2 T 7 9A Max 6A AC AC DC GENERATOR i AND SUPPORT FUNCTION BATTERIES Fig 10 Generator and support function oee fig 10 The AC input is still limited to 6 Amps If the demand for AC power still increases the external AC circuit breaker may still trip The inverter will automatically to compensated by energy which is stored in the batteries But when AC power still increases This is not enough to the total load 7 9A 16A connected to the AC outp
25. By a dry contact terminal Advanced protection features DC input over under voltage protection Internal over temperature battery over temperature and heat sink over temperature DC input reverse polarity protection Fuse Inverter AC output overload protection Inverter AC output short circuit protection AC input short circuit protection Breaker 30Amp AC input under voltage protection COTEK Inverter Charger COMBI 2 2 Electrical Performance SB 2000 Inverter Charger Specification SB2000 112 SB2000 124 SB2000 212 12 VDC 24 VDC 12 VDC 10 5 16 VDC 21 32 VDC 10 5 16 VDC 15 16 VDC 30 32 VDC 15 16 VDC 10 5 11 5 VDC 21 23 VDC 10 5 11 5 VDC 0 75A 2000 W 5 2000 224 Nominal Voltage 24 VDC Input Voltage Range 21 32 VDC Input Over Voltage Input Protection 30 32 VDC Characteristics Input Under Voltage 21 23 VDC Protection No Load Current Stand By Current 0 75A Continuous Output Power Resistive load Load 101 115 3 Min Surge Power Resistive load 4000 W Frequency 47 63 Hz 0 01 User selectable Output Characteristics Output Voltage 115 VAC 100 120 VAC 5 230 VAC 200 240 3 gt 84 At DC 12V gt 86 At DC 24V gt 85 At DC 12V gt 88 At DC 24V Yes Ipk Efficiency Full Load Short Circuit Protection Output Waveform Pure Sine Wave THD 5 Pure Sine Wave THD 3 AC Input 50 A MAX A
26. C Input Output Terminal AC Output 50 A MAX INV AC Output 25 A MAX DC Input Protection Over Under Voltage Reverse Polarity Internal Fuse id CIPUE Short Circuit Overload Protection Protection Input Protection 30 Amp Circuit Breaker Temperature protection Battery Temperature protection Voltage 115 VAC 60Hz 230 VAC 50Hz requency AC Input Input Voltage Range 90 130 VAC 180 260 VAC Input Frequency 47 63 Hz Range By a RJ 11 connector to battery Temperature sensor Characteristics COTEK Inverter Charger COMBI Power Factor Correction PFC gt 0 98 40 Load gt 0 98 40 Load Range Second Charger Output Max Output Voltage 14 8 VDC 29 6 VDC 14 8 VDC 29 6 VDC C Note Charger Voltage Battery Type Setting Standard Temperature 25 C Equalization gnarand Remote Control Controls the inverter ON OFF operation Control Terminal Dry Contact Terminal By a relay Bypass Relay Relay Specification 25 Amp 250 VAC Full Load 25 C 40 eratin Power de rating 50 41 60 Operating 0 93 Non condensin Humidity Range Fan Operation and Indicator The fan does operate load and internal temperature control related PWM switches On On variable speed control Inverter mode Charger mode Power sharing Generator mains support Sharing Mode function Power support Charger Sharing Power Sharing Funct
27. COTEK SB Series USER MANUAL PURE SINE WAVE INVERTER CHARGER COMBI WITH SHARING SUPPORT GENERATOR COTEK Inverter Charger COMBI Contents 1 important Safety tecnecccesiwteewesceetsedereeesetensteeeces 3 1 1 Warnings And 6 1 2 Use For Intended Purpose General Safety Precautions 3 1 3 Other Safety Notes And Installation Precautions 4 1 4 Warning Regarding The Use 4 2 Functional Characteristics Introduction 5 2 1 RM NIMM ee MENU ee 5 2 2 Electrical 2 2 2 2 2 4 4 4 0 2 6 2 3 K Cionca r DOWNIN ne eee HH 8 2 4 LCD Panel Mechanical 0 17 1 2 2 9 3 MOW N WOEKS 9 3 1 Battery Charger 2 0 2 0 2 2 2 2 20000 4 9 3 2 ETE OT 12 3 3 Operation gt lt lt lt lt eoa n PP 12 3 4 Equalization 22 202 7
28. ack On The vent Panel 9 Ouen BATT RS 2 T EMP i i Battery Temperature Sensor LCD Control Panel R 232 ag Connection 1 BAT TEMP Port The Combi unit is delivered with a battery temperature sensor When the battery temperature is high the charge voltage is automatically decreased Battery Temperature XA Sensor wg E 6 Sane Description 9 1 2 Ll 3 Batteries temperature sensor 3 240 4 _ 6 6 Batteries 5V Temperature Sensor NTC 32 COTEK Inverter Charger COMBI 2 RS 232 Port Serial port monitoring and control through computer interface Combi unit Computer GND 2 DD 4 Notused GND 5 058 J 6 __ RIS 17 o TS 8 Ntued 9 The connection between this Combi unit and the computer is as follows Combo Computer RXD RXD ae GND QAND DTR _ DSR RTS _ 3 LCM Port Connection for LCD remote control panel can you setting and display the Combi unit operation status 33 COTEK Inverter Charger COMBI PIN Num Signal Description PIN Num CANH CANL PON DIS RE The cables should be as short as possible less than 32 8 feet 10 meters so that they can handle the signal 4 CANTI
29. ain switch to the OFF position to switch off the Combi unit Or can you use remote control panel press the on off button delay three second on the remote control panel The Combi unit stops and all the indicators go off The INV AC output is disconnected and will become powerless WARNING Power OFF the Combi unit not cut off the connection to the batteries or the AC source Therefore the AC output output is still active Selectable CHR Power ON mode When the main switch is set to the ON position then to press LCD remote control panel ON OFF button You can to setting change the CHR Power ON mode The Combi unit is only able to work as a charger This means that the inverter mode is disabled This setting is useful if you want to keep your batteries charged and maintained in case you are away i e in the winter time Now your batteries are spared when the incoming AC source fails in operation See Chapter 6 for detailed operation instructions of the remote panel COTEK Inverter Charger COMBI 4 4 Protections The Combi unit is protected against overload short circuit overheating and under and over voltage The user can detect failures from the remote control panels by means of the indicators See chapter 8 for explanation of this readout 5 Installation And Maintenance During installation and commissioning of the Combi unit the Safety Guidelines amp Measures are applicable at all times See chapt
30. ally After switching on expect a five till ten second delay The Combi unit will be operating in normal condition when either of the following messages are displayed on the LCD panel screen 40 6 1 1 Inverter Charger COMBI COMBI LCD Vi 230 Display FQ 50 W 1150 Led s Indicators ON OFF LCD Remote Panel Selection Buttons 6 1 2 LED Indications AC GRID Displays incoming AC input status AC Input LED Status AC input ON AC input OFF Inverter Displays the Combi unit working in the Inverter mode statues DC AC Inverter LED Status Inverter AC Power OK Inverter AC Power Not Good Red 0 e Charger Displays the Combi unit working in the Charger mode status Charger OK Charger Not Good ALARM Displays the Combi unit status of the Failure Alarm Alarm LED Status Over Under Alarm Set alarm in the inverter to OFF operate normally NOTE For instructions on setting the alarm see details in Section 6 3 3 6 1 3 LCD Remote Control Panel Selection Buttons e Function of Various Buttons Ca 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 41 Inverter Charger COMBI C v Function Down You can use the Down button to scroll through the menus or to select the value for set up under setting mode Com Function Page Up
31. close Default 7Hz Model 110 V 230 V oetting value range Disable 7 Hz Disable 7 Hz 4 Overload Alarm Sets the overload alarm When the Combi unit output power is higher than the set value the Combi 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 5 2 8 Default 100 Setting range 50 110 5 Saving Level Setting the Combi unit to power saving to reduction consumption from the batteries level setting refer See 5 2 10 Default Disable Setting range Disable 7 6 Saving Interval When the Combi unit in working for the power saving mode And the Combi unit must to sensitive This time the Combi unit must to AC output LOAD sensitive load When the load increases more than set value of the power saving level the Combi unit of awaking on the output power automatically However to the load sensitive time The Combi unit can be adjust on the power saving interval Default 2 0 Seconds Setting range 0 15 2 05 7 Ground Relay Setting the Combi unit ground relay allows you to connect the Neutral See details in section 5 2 3 Default OFF Setting range ON OFF 51 Inverter Charger COMBI Charge parameter 1 Ibat setup When external AC power comes available The battery charger are supplied by the external AC power The batteries are recharged now However the charger
32. d and corrected before the unit is reset 22 Inverter Charger COMBI 5 2 2 Hard Wire Installation AC wiring connections terminal reference 2 The AC wiring compartment is located on the front panel Remove the AC wiring compartment cover to gain access to the AC terminal WARNING AN Before you connect AC wiring to the terminals of compartment cover ensure to check the label in the compartment for correct connections Wrong connection will damage the Combi unit AC input and AC output terminal Bypass Relay eee Load 2 Load 1 GRID L N FG L N FG L AC GUTPUT AC OUTPUT AC INTPUT Connect AC output and AC input wiring to the inverter terminals Please use the following information as your reference Terminal Wire color AC Current 40 554 8 INV 55 70 59079 AC Output Ground Green Yellow 26 22 AWG 12 14 oa 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 GE 5 2 3 Chassis Ground reference 3 WARNING The ground wire offers protection only if the cabinet of the Combi unit is connected to the safety ground Connect the chassis gr
33. d battery consists of a number of 2 V nominal cells actual voltage of the cell is 2 105 V that are connected in series e g a 12 V nominal battery will have six 2 V nominal cells in series actual voltage of the 6 cells will be 2 105 x 6 12 63 V Each 2 V nominal cell in this battery consists of an independent enclosed compartment that has Positive and Negative Plates also called Electrodes dipped in electrolyte that is composed of diluted Sulphuric Acid solution of 33 5 v v Sulphuric Acid and water In a fully charged battery the Positive Plate is in the form of Lead Dioxide the Negative Plate is in the form of Sponge Lead and the Sulphuric Acid in the electrolyte has the maximum concentration of 33 5 v v 3 4 2 Electrical power in the Lead Acid Battery is produced by reversible electro chemical reactions as follows e During discharging the Sulphuric Acid in the electrolyte reacts with the Positive and Negative plates resulting in conversion of the active materials in both the two plates Lead Dioxide on the Positive plate and Sponge Lead on the Negative plate to soft Lead Sulfate crystals At the same time electrons are released that create the electrical current that flows to the load The concentration of Sulphuric Acid in the electrolyte is reduced as the battery gets discharged the electrolyte becomes pure water when the battery is fully discharged During charging reverse electrochemical reactions take place U
34. e time the charger is in the Bulk Stage and then calculate and set the Absorption Stage and Equalization Stage Timers Let the time 23 Inverter Charger COMBI taken in the Bulk Stage be designated by Bulk Timer and the calculated Absorption Time by Absorption Timer and the Equalization time by Equalization Timer One of the recommended logics for calculations is as follows See Fig 13 Absorption Timer 0 5 x Bulk Timer Equalization Timer Absorption Timer 1 Hour if T4 2 Hours or Equalization Timer Absorption Timer 2 Hours if 2 lt lt 4 Hours or Equalization Timer Absorption Timer 4 Hours if gt 4 Hours 4 Operation 24 4 1 4 2 4 3 Power ON You use the remote control panel and press the ON OFF button on the front After switching on expect a five till ten second delay before the Combi unit activated If AC power is available on the AC input and within the specified limits the Combi unit will switch to Charger Mode and will commence to charge the batteries At the same time the internal transfer relay will pass the AC power to the AC output INV AC output If the AC power from the external AC source is unavailable or outside the specified limits the unit will come on as an inverter Inverter overload protection built in idle mode circuitry transfer switching sharing and battery charger regulation will all function automatically Power OFF Move the m
35. ealth and long life of a Lead Acid battery it is required to undergo an Equalization Stage during the charging process to prevent reduce the following undesirable effects Sulfation If the charging process is not complete due to the inability of the charger to provide the required voltage levels or if the battery is left uncharged for a long duration of time the Lead Sulfate crystals on the Positive and Negative plates that are formed during discharging self discharge are not fully converted back to Lead Dioxide on the Positive plate and Sponge Lead on the Negative plate and get hardened and are difficult to dislodge through normal charging These crystals are non conducting and hence introduce increased internal resistance in the battery This increased internal resistance introduces internal voltage drop during charging and discharging Voltage drop during charging results in overheating and undercharging and formation of more Lead Sulfate crystals Voltage drop on discharging results in overheating and excessive voltage drop in the terminal voltage of the battery Overall this results in poor performance of the battery To dislodge these hardened Lead Sulfate crystals some chargers are designed to detect a sulfated condition at the start of the charging process and go through an initial De sulfation Mode that sends high frequency high voltage pulses at the natural oscillation frequency of the crystals to dislodge the hardened crystals Su
36. ed by energy which is stored in the batteries Later when the AC load has dropped below the setting of the Power sharing 15 COTEK Inverter Charger COMBI function again the battery charger of the Combi unit will commence to recharge the batteries For safety unit the transfer relay is immediately switched off when incoming AC power fails in operation so that there will never be a high voltage on the shore cable inlet when it is not connected 3 3 5 Support function selectable As explained above when the Generator function is enabled the inverter will operate in parallel with the external AC power source This means that energy from the batteries is added to the AC output only Under no circumstance AC power from the inverter can be fed back into the AC grid This may mean that in some situations the use of the Generator Support function is not allowed Please acquaint yourself with local regulations on this issue Never use the Generator function if this is not allowed Even if the use of the Generator function 15 not allowed it 1 still possible to supply more energy than the external AC sourced can deliver This be achieved by using the support function AC OUTPUT POWER Relay INV AC OUTPUT POWER AC INPUT 6A e 1 9A 9 6A AC DC POWER SUPPORT FUNCTION 200A DC i a QV BATTERIES Fig 9 Support function see fig 9 The AC input is still limited to 6
37. eed to be equalized once per month and a battery in light duty service every two to four months See fig13 BULK ABSORPTION FLOAT BULK 16 0VDC i 14 40VDC 14 25VDC 13 50VDC CL Imax lequalization __ Bulk Timer Absorption Timer Timer 1 12 Hrs Repeated bad 30 R etum T user selectable EVery 336 hr Fig 13 Equalization stage 12V battery 3 4 8 Table below gives the Absorption Float and Equalization voltage settings for common batteries used 22 COTEK Inverter Charger COMBI Battery Inverter Bulk Absorption Float Equalization Type Voltage Voltage Voltage Voltage Voltage 24 VDC Flooded 12 VDC 15 5VDC 24 VDC 31VDC AGM 1 12 VDC 15 5VDC Lifeline brand 24 VDC 31VDC AGM 2 12 VDC 14 5VDC 14 5VDC 13 5VDC NOTE East Penn Deka Discover Troian brand 24 VDC 29VDC 29VDC 2 VDC NOTE Custom To be selected by the 12 VDC 12 16VDC 12 16VDC 12 16VDC 12 16VDC customer based on the manufacturers recommendations if 24 VDC 24 32VDC 24 32VDC 24 32VDC 24 32VDC User can be setting the custom function voltage but must use LCD Panel See 6 4 4 for more information NOTE Gel and the AGM 2 Group East Penn Deka Discover Trojan brand batteries are not equalized Hence their Equalization Voltages are same as the Absorption Voltages gt E When using the Custom setting the Equalization voltage setting should not allow voltage lower than t
38. en Combi unit and battery In a technical correct condition Do not expose the Combi unit 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 Combi unit in a zero clearance compartment To 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 Combi unit with damaged or substandard wiring Depending on the use the AC output of the Combi unit may require user installed breaker or fusing For telecom use a GFCI has not been provided The Combi unit incorporates standard AC short circuit protection The following precautions should be taken when working on the Inverter Charger Remove watches rings or other metal objects Use tools with insulated handles Wear rubber gloves and boots Inverter Charger COMBI 1 3 Other Safety Notes And Installation Precautions Upon receipt examine the shipment box for damage Notify the carrier immediately before opening if damage is evident Do not operate near water or in excessive humidity Do not open or disassemble the Combi unit warranty may be voided The DC and AC side connections should be firm and tight Grounding Reliable grounding of rack mounted equipment should be maintained Do not drop a metal tool on the battery The resulting spark or short circu
39. er 1 of this manual 5 1 Unpacking In addition to the Combi unit the delivery includes a battery temperature sensor users manual After unpacking check the contents for possible damage Do not use the product if it is damaged If in doubt contact your supplier Check from the identification label whether the battery voltage is the same as the DC input voltage of the Combi unit e g 24V battery set for a 24V input voltage Also check that the AC output voltage and output power of the Combi unit satisfies loading requirements 5 2 Front Panel 6 5 4 J CHARGER s a INV AC 50A OUTPUT AC INPUT LL 7 nam YO _ XS 5 p SN 74 _ en CIRCUIT IJ gt 7 2 8 7 RESET NU co 4 SZ SZ s lt 7 6 6 AE j0 JE y J 9 40 L m 5 2 1 Input Breaker reference 1 The AC input circuit breaker protects the Combi unit from overload When an overload or shirt circuit condition occurs the circuit breaker trips and disconnects the incoming AC power input To reset it push the circuit breaker button The cause of tripping should be ascertaine
40. every 336 hr sec bulk timer current s ism Fig 12 Charge characteristic of the three step plus charging method 25 C 77 3 3 8 Summary of the power sharing What is it used for Sharing The sharing level should be set to match the value of the external circuit Sharing breaker then to protects the incoming AC power Then AC input not enough to supply the total load connected to the AC Generator outputs The appliance can be automatically compensated by energy which is stored in the batteries When AC input not enough to supply the total load connected to the AC Support outputs the transfer relay will open When external AC power comes available The Combi unit to charge batteries only Inverter Charger COMBI COTEK v9 lt 41 ON N3dO 0 0 0 V6 Vl sduy 9 X X 9 gl zl sdwy 9 X X 9 9 lt 1 21 9 lt 1 2 15010 VO VO VO V9 VL 9 eig sduly 9 5 51 JueuND Z 1ndino 1ndino ON ANI ON ueuno 26 1u08uno KAieneg QVO 1ndino OV jndu ov uoun 4 12 1 Jayeaig PNJ Aejay OV EUJ91X3 248 Note 0 is Disable 1 is Enable X is Don t care Current Batteries 12VDC 230VAC Model 19 COTEK Inverter Charger COMBI 20 3 4 Equalization Batteries 3 4 1 Construction of Battery Cells A Lead Aci
41. g limit the AC input current Default is 6A 9230VAC Model 10A 9110 VAC Model See 3 3 3 for more information Sharing If you want to disable or enable power sharing function Default is Enable See 3 3 3 for more information Battery Type Selection The factory setting for the battery type is optimal for most installations In some applications however it is desirable to change this setting Adjust the Combi unit to the applied batteries by adjusting DIP switches SWB6 and SWB7 Default is Standard Wrong adjustment can cause damage to your batteries which is not covered by the warranty The setting for traction battery should never be used with a battery bank that consists of 2V GEL cells Flooded AGM 1 AGM 2 Bulk Voltage 28 2VDC 14 6VDC 28 2VDC 14 3VDC 28 6VDC 14 5VDC 29VDC Absorption Voltage 28 2VDC 14 6VDC 28 2VDC 14 3VDC 28 6VDC 14 5VDC 29VDC Float Voltage 13 6VDC 13 4VDC 26 8VDC 13 1VDC 26 2VDC 13 5VDC Power ON Mode Selection If want to use COMBI Mode or CHR to startup of the Combi unit By adjusting DIP switches SWB8 Default is COMBI Mode Lt NOTE NX When after adjusting DIP switches must will the Combi unit re start 28 Inverter Charger COMBI 5 2 5 5 2 6 5A Charger reference 5 The Combi unit has a second charge output switch can be used to give a maintenance charge to a small battery Characteristic
42. he Absorption Voltage setting Also the Equalization Voltage setting should not allow a setting higher than 2 volts for 12V systems or 4 volts for 24V systems above the Absorb Voltage setting 3 4 9 Calculation of Equalization Charge Current The Equalization Charge Current should be a relatively low current of around 1 of the charge current of the battery Such a low current prevents an overcharge condition that results in excessive gassing and excessive loss of water Also the equalization charge current should preferably be a variable value that is automatically set by the microcontroller as a function of the degree of charge of the battery NOTE Equalization Current is related to the charge current capacity of the LL battery and is normally calculated at 1 of the charge current of the battery Hence We has provided for the user to input the charge current capacity of the battery being used See 6 4 4 3 4 10 Calculation of Absorption and Equalization Times Equalization is required to be carried out after completion of the Bulk and Absorption Stages It is preferred that the time periods for the Absorption and Equalization Stages be proportional to the discharged state of the battery A more discharged battery will take longer time in the Absorption and Equalization Stages The discharged state of the battery will be proportional to the time the charger remains in the Bulk Stage Hence a software timer may be used to measure th
43. he Combi unit to the INV AC output distribution group Integrate a Residual Current Device RCD into this wiring See reference 4 Run the DC cables between the batteries and the Combi unit Connect the red cable to the plus connection the black cable to the minus connection See reference 5 Attach the temperature sensor to the battery and run the cable into the Combi unit Option if you want to make use of the possibility to give a maintenance charge to a small battery set like a starter battery run a AWG14 red cable with a fuse holder between the positive pole of the starter battery and Combi unit reference 6 Fix the cable with an insulated fasten to the r5A connection Integrate a 10 Amps fuse in this wire The negative pole of this battery must be connected to the negative pole of the service battery See reference 7 If you want to install the LCD remote control panel run the communication cable between the Combi unit and the panel NOTE LL The Combi unit can also be operated without the LCD remote NES control panel connected See reference 8 If you want to install a computer To monitoring and control the Combi unit See reference 9 The user can use RJ 45 cable line to connect to this port and manage it through remote to control the Combi unit 6 LCD Remote Control Panel Display amp Setup 6 1 LCD Panel Indications Press the ON OFF button on the front The Combi unit starts working norm
44. i unit AC input of the grid power Format PGRID After Enter the unit s AC input power appears on the PC screen 14 Users can be the command to query the Combi unit model number Format Model After Enter the unit s Model Number appears on the PC screen 15 Users can be the command to reset default the Combi unit Format RST After Enter the unit s will reset to default 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 33 as follows 0 LCD Contrast 18 OVP Setting 1 fLCDAuoof 19 OVP Recovery 2 20 UVPSetig 3 Buzzer Setting 21 UVP Recovery 5 ShudownRery 22 OfPVolage 6 SyncFrequency 24 O P Frequency 8 Savinglevel 26 EE SWled 9 GroundRelay 27 SN 55 COTEK Inverter Charger COMBI 56 1 Command to query the functions No Format FUNC After Enter the unit s Function Code appears on the PC screen 2 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 3 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
45. ies Check frequency of the Combi a LCD panel display none Bypass relay not to unit setting and AC input both charge current close same b LCD panel Charger LED Check AC input terminal connections and to the make and AC Grid LED not Not AC input power sure external AC input or AC illuminating circuit breaker is OK DC input terminal no c restart the Combi unit connections to the Check the DC input terminal always batteries 8 2 Warranty Charger 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 Combi units 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 CO T E amp l No 33 Rong Hsin Rd Pa Teh City Tao Yuan County Taiwan Phone 886 3 3661581 FAX 886 3 3676029 E mail sales cotek com tw http www cotek com tw 63
46. ill have the same voltage and same specific gravity If there is a substantial difference in the 21 COTEK Inverter Charger COMBI cell voltages 0 2 V or more and in the specific gravities 0 015 or more of the individual cells the cells will require equalization Equalizing batteries helps to bring all the cells of a battery to the same voltage During the Equalization Stage fully charged cells will dissipate the charging energy by gassing while incompletely charged cells continue to charge 3 4 7 Equalization Stage Normally only the vented wet cell flooded batteries are equalized Some sealed AGM batteries may be equalized if recommended by the manufacturer e g Life Line brand of sealed AGM batteries The Equalization Stage is carried out only after completion of the Bulk and Absorption Stages During the Equalization Stage the battery is intentionally held above the Gassing Voltage for a specified period of time that is normally proportional to the depth of discharge of the battery or to the AH capacity of the battery Recommendations of the battery manufacturer are to be followed for equalizing the batteries as the equalization voltage time and frequency will depend upon the specific design of the battery The Equalization Voltage will normally be in the region of 2 5 to 2 7 V per cell at 25 C 77 F eg 15 to 16 V for 12 V batteries and 30 to 32 V for 24 V batteries As a guide a heavily used flooded battery may n
47. ion 3 Stage Battery Chargers AC Input Current 10 50A User selectable 3 25A User selectable Ground relay included for connection of neutral of inverter to ground only at inverter mode Standard disable Mechanical Size W x H x D 13 03 x6 14 x18 3 331mmX156mmX465mm Specification Ground Relay Weight 10 5 Kg 23 1 Lbs Safety Standards Meet EN60950 1 EN55022 1998 A1 2000 A2 2003 Class EMC Standards FCC Class EN61000 3 2 2006 Class A 61000 3 3 1995 1 2001 COTEK Inverter Charger COMBI 2 3 Mechanical Drawings _ tw 5 0009059530790002000000000000000 e n 331 13 03 COTEK Inverter Charger COMBI SB Series Inverter Charger Combi Ordering Information Model Input Output Frequency ag mon 2 4 LCD Panel Mechanical Drawing UNIT mm inch _ 32 1 26 _ 92 3 62 30 5 1 2 71 2 8 a 92 3 62 80 3 15 71 2 8 _ 46 1 81 o 2 3 3 20 13 3 How It Works This chapter describes the various applications of the Combi unit series from COTEK The Combi unit is a battery charger a pure sine wave inverter and an AC transfer system one compact enclosure The three step Plus charging method guarantees that the batteries are always charged 100 The pure sine wave inverter assures that the AC output
48. it on the battery or on the other electrical part may cause an explosion Wiring Adequate input power must be supplied to the Combi unit for proper use correct wiring sizes must be ensured Do not operate the Combi unit close to combustible gas or open fire Temperature The Combi unit should be operated in an ambient temperature range of 20 to 40 C or else the output efficiency may be affected Air flow to the Combi unit must not be restricted Incase of fire you must use the fire extinguisher which is appropriate for electrical equipment Short circuiting or reversing polarity will lead to serious damage to batteries Combi unit and the wiring Fuses between the batteries and the Combi unit can not prevent damage caused by reversed polarity and the warranty will be void Do not work on Combi unit or system if it is still connected to a power source Only allow changes in your electrical system to be carried out by qualified electricians Check the wiring and connections at least once a year Defects such as loose connections burned cables etc must be corrected immediately Do not touch the equipment when wet or if your hands are clammy The Combi unit products are not for applications in any medical equipment intended The cabinet of the Combi unit must not be opened There are no serviceable parts inside the cabinet Only qualified authorized and trained electrician installers are authorized to open the connec
49. lfation may also be reduced partially by the stirring mixing action of the electrolyte due to gassing and bubbling because of intentional overcharging during the Equalization Stage 3 4 5 Electrolyte Stratification Electrolyte stratification can occur in all types of flooded batteries As the battery is discharged and charged the concentration of acid becomes higher at the bottom of the cell and becomes lower at the top of the cell The low acid concentration reduces capacity at the top of the plates and the high acid concentration accelerates corrosion at the bottom of the plates and shortens the battery life Stratification can be minimized by the Equalization Stage by raising the charging voltage so that the increased gassing and bubbling agitates stirs the electrolyte and ensures that the electrolyte has uniform concentration from top to bottom The stirring action also helps to break up any Lead Sulfate crystals which may remain after normal charging 3 4 6 Unequal charging of cells During normal charging temperature and chemical imbalances prevent some cells from reaching full charge As a battery is discharged the cells with the lower voltage will be drained further than the cells at the higher voltage When recharged the cells with the higher voltage will be fully charged before the cells with the lower voltage The more a battery is cycled the more cell voltage separation takes place In a healthy battery all the individual cells w
50. mbi unit in winter One hour every 12 days the charger automatically switches to absorption to keep the battery running properly and prolong its life soan The three step Plus charge system is also safe for all the connected equipment Temperature compensated charging The Combi unit is delivered with a battery temperature sensor By installing this battery temperature sensor the charge voltages are automatically adapted for deviating temperatures 30 28 26 24 22 30 20 10 0 10 20 30 40 50 60 Battery Temperature Fig 2 Temperature compensated charging 15 14 8 14 4 14 gt C 13 gt D 12 O 11 3 1 3 oee fig 2 When the battery temperature is low the charge voltage increases On the other hand when the battery temperature is high the charge voltage is decreased Over charge and gassing are prevented this way This will extend the life of your batteries Connection of a second battery The Combi unit is equipped with second charge output which can be used to give a maintenance charge to a small battery set like a starter battery Maximum output current 5 Amps Output voltage 14 4V 12V Model 28 8V 24V Model three step user can set ON or OFF Inverter Charger COMBI 3 2 Inverter Introduction 3 2 1 General The inverter provides voltage and frequency regulated AC power from a battery bank Fast acting electronic circuits protect the inverter against e
51. nder the influence of the charging voltage fed to the battery by the external battery charger charge controller electrons are fed back to the battery and the soft Lead Sulfate crystals at the Positive and Negative Plates are converted back to Lead Dioxide at the Positive Plate and Sponge Lead at the Negative Plate and the concentration of Sulphuric Acid is restored will revert to 33 5 v v when the battery is fully charged 3 4 3 Gassing during Charging During charging the battery is required to be charged a controlled manner the final Absorption Stage 2 4 V per cell at 25 C 77 F or 14 4 V for a 12 V battery at 25 C 77 F that restores the last 20 to 30 of the capacity On successful completion of this stage of charging the Lead Sulfate at the Positive and Negative Plates should have fully converted back to Lead Dioxide at the Positive Plate and Sponge Lead at the Negative Plate Any further charging at this voltage or higher than this voltage results in electrolysis of water in the electrolyte to Hydrogen and Oxygen and this undesirable condition contributes to waste of energy This process is known as gassing Gassing is also produced during the timed Equalization Stage when the battery is intentionally overcharged 2 5 to 2 7 V per cell 15 to 16 V for 12 V batteries to equalize the cells and remove stratification Inverter Charger COMBI 3 4 4Necessity for Equalizing Batteries For proper h
52. oad connected to the AC output increases the external AC circuit breaker may trip if nothing is done To avoid this the Combi unit can automatically reduce the battery charger output and thus the AC power consumption This Power sharing feature constantly senses the incoming AC current which is used to supply both the battery charger and the appliances connected to the AC outputs The Power Sharing level should be set to match the value of the external circuit breaker which protects the incoming AC power For instance when the external AC power is limited by a 10A circuit breaker or fuse the Power Sharing level must be set to 10 AC OUTPUT POWER 5A LN INV AC OUTPUT AC INPUT POWER 1 2A 10 INPUT POWER Approx SHARING 45A DC CONTROL 12V 4 BATTERIES Fig 6 Power Sharing Function Here the Power Sharing level is set to a 10 Amps while the AC outputs consume a total of 2 5 7 Amps This means that only 10 7 3 Amps is left over for charging With 12V batteries 230 VAC this will result in a maximum charge current of approx 45A DC The Power Sharing level can be set by means of the DIP switches or LCD remote control locally on the Combi unit When the total connected AC load reaches the level of the Power Sharing setting 10A there will be no power left over to charge the battery
53. of the Combi unit should be performed by a qualified service technician 5 4 5 Avoid spilling liquid on the Combi unit 38 COTEK Inverter Charger COMBI 9 9 Installation Drawing Battery Temperature Connection Pad i INV AC SS OUTPUT 3 Second 5A Charger Output 5 Computer Positive Negative EN dj 50A MAX AC OUTPUT 2 I N PE LCD Remote Control Panel INV AC Circuit breaker RCD OUTPUT Max 50Amps 30mA X 50A MAX L AC INTPUT N L N s PE Incoming AC Source DC Distribution Starter Service Te Batteries OPTIONAL optional Temperature ee creer ee sensor This schematic is to illustrate the general placement of the Combi unit a circuit It is not meant to provide detailed wiring instructions for any particular electrical installation Fig 14 Installation Drawing 39 COTEK 5 5 1 Inverter Charger COMBI Wiring instructions for one Combi unit stand alone operation See fig 13 1 8 9 See reference 1 Connect the external AC source to the AC input of the Combi unit Integrate a fuse value depending on the used wire diameter with a maximum of 50Amps and a Residual Current Device RCD into this wiring See reference 2 Connect the AC output POWER of the Combi unit to the power distribution group See reference 3 Connect the INV AC output of t
54. off switch of the a The Combi unit not working Bw ee LCD panel Damage or voltage Check and Confirmation of the b DC input battery error error of the battery do tie baller c input terminal none Investigate the cause of the voltage of the Combi unit failure and replace the fuse LCD panel Alarm LED Indicators red lamp The Combi unit is load a LCD panel appears with than 100 but Reduce the connected load by Overload alert memener switching off some equipment b LCD panel appears The battery voltage is Check the batteries 62 COTEK Inverter Charger COMBI UV alert running too low but The inverter will switch off if the the inverter still on battery voltage stays low NoACpowerouput S O No AC power output ana Shoteiut rng gpeg AC wing for shor Inverter LED solid red Ceding Reduce load 2 5 Over dc input voltage Check dc input voltage and LED solid red OVP reduce the voltage Combi 9 prd dede erp d Low dc input voltage Recharge to the battery Check nvert r LED s lid red UVP connections and cables wire d LCD Panel appears ENIR TEMP shutdown or Improve ventilation Make sure H S TEMP shutdown or Over Thermal ventilation grilles slots of the BAT TEMP shutdown shutdown OTP Combi unit are not obstructed and Inverter LED solid Lower ambient temperature red No charge current to the batter
55. ound terminal to the hull or the chassis 26 COTEK Inverter Charger COMBI Refer to local regulations on these issues For safety purposes the neutral conductor N of the AC output must be connected to the earth PE GND when the Combi unit is in inverter operation When utility power is available on the AC input and the Combi unit is in charger mode this connection must be disabled again In some applications automatic connection between the neutral conductor N and earth PE GND is not required or acceptable Therefore the automatic connection between the neutral conductor N and earth PE GND is disabled by default see fig 5 5 2 4 Switch Setting reference 4 The Combi unit is provided with two groups of DIP switches to adjust the apparatus according to the specifications of the electrical installation The DIP switches are located in the front panel Power Saving Output Voltage Ground Relay Reset Power Saving If you want to setting the Combi unit to power saving mode to reduction consumption from the batteries This means when it detects a load that is above setting value it output power automatically on By adjust DIP switch SWA1 SWA2 and SWAS Default is Disable Frequency If you want to setting the Combi unit output power frequency of the inverter By adjust DIP switch SWA4 Default is 6OHZ 110VAC Model 50Hz 230VAC Model Output Voltage If you want to setting the Combi
56. owing sizes of cables and fuses are recommended for up to 6 ft distance between the batteries and the Combi unit Applies to both 120 VAC and 230 VAC versions Model No Wire AWG 5 2000 112 212 2 0 250A 5 2000 124 224 1 0 125A B Connect DC input terminals to 12V 24V battery or other DC power source is positive is negative Reverse polarity connection can blow the internal fuse and may damage the Combi unit permanently WARNING Make sure that all the DC connections are tight torque to 9 10 N ft lbs 11 7 13 Nm Loose connections could result in overheating and can be a potential hazard 20 COTEK Inverter Charger COMBI M8 SCREW di 1 POSITIVE 4 1 f 8 23 AWGH 0 2 0 L ie NEGATIVE 1 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 Combi unit and battery may cause damage to the cable Combi unit and will void warranty Also only use high quality copper wire and keep the cable length short which is as maximum of 3 6 feet M8 SCREW POSITIVE INLINE FUSE 30 Inverter Charger COMBI 5 2 7 Remote control green terminal reference 7 1 Before installing the functions of the Combi unit ensure the Combi unit to turn off 2 Use
57. s be a CR ODH appended to the command while sending the command to this unit 1 Users can be the command to control the Combi unit to turn ON or turn OFF Format Power value Example A space ASCII code 20H is needed between power and value value can be one of the following 0 Power OFF 1 Power ON 2 Users can be the command to query the Combi unit output frequency of the inverter Format FRQ After Enter the unit s Dutput Frequency appears on the PC screen 53 Inverter Charger COMBI 3 Users can be the command to query the Combi unit output voltage of the inverter Format VINV After Enter the unit s Output Voltage appears on the PC screen 4 Users can be the command to query the Combi unit output current of the inverter Format IINV After Enter the unit s Output Current appears on the PC screen 5 Users can be the command to query the Combi unit status Format STA After Enter the unit s working status will appears on the PC screen As follows status on behalf of the Combi unit a Sea cooo M Code Status on behalf Power turn off M O Battery no high voltage 1 64 Battery high voltage u 0 0 7 Battery no low voltage Battery low voltage 0 0 Temperature normal V 1 16 Temperature failure 0 0 o Fannrmd 1 8 x L0 0 Nopowersaving Oo 0 No overload or
58. s introduction Battery maximum charger current 5Amps Battery maximum charger voltage 14 4VDC 12V 28 8VDC 24V Battery charger status three step Charger enable Disable user selectable DC Input Connection reference 6 Follow the instructions to connect the battery cables to the DC input terminals of the Combi unit 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 Combi unit 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 Combi unit it will result in overheating melting of the cables and consequent risk of fire 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 Busman ANN series fuses will also require Fuse Block 4164 or equivalent The foll
59. there is no external AC power available the inverter will provides AC power and when there is external AC power available the Combi unit can constantly senses the incoming AC current which is used to supply both the battery charger and the appliances connected the output This functions on the setting of Combi power See also section 3 3 3 for detailed 47 Inverter Charger COMBI 48 6 4 3 6 4 4 If you want to charge you batteries only and you do not want to start the inverter function when incoming AC fails Then the function must be setting of CHR power ON Charger See also section 3 3 7 for detailed P S Mode Param Power sharing mode parameter control Setting the Combi unit Sharing Support Generator function of the enable or disable and setting the AC input current limited B lac setup Setting the available power at the AC input current limited To protect the incoming AC input current from overload Default 10 110VAC model 230VAC model Setting range 10 50A 9 110VAC model 3 25A 230 VAC model B Power sharing Setting the Combi unit Sharing Support Generator function of the enable or disable When set the function have display on the LCD screen Mean the function enable When no have appears on the LCD screen is disable Default Disable Setting range Disable GEN SUPP SUPP GEN SHAR SHAR GEN SHAR SUPP SHAR SUPP
60. tion compartment 1 4 Warning Regarding The Use Of Batteries Excessive battery discharge and or high charging voltage can cause serious damage to batteries Do not exceed the recommended limits of discharge level of your batteries Avoid short circuiting batteries as this may result in explosion and fire hazard Installation of the batteries and adjustments of the Combi unit should only be undertaken by authorized personnel Inverter Charger COMBI 2 Functional Characteristics Introduction 2 1 System The SB Series is a Combi inverter charger system designed with advanced power electronic and digital signal processor technology offering the following features e Combi unit 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 Can use parallel with the grid AC Battery charger current 100A max 12VDC 50 max 24VDC Pure sine wave output to operate higher end electronic equipment max second charger Equalization function for the batteries Built in 25A rated bypass switch Power sharing functions Intelligent software for power management Hard wire connection model option Loading and temperature controlled cooling fan Fan aging failure disconnection and blockage alarm Local and remote management and control RS 232 and CAN Bus communication CAN Bus LCD remote control panel
61. ue Default 5 Setting range Disable 15 6 INV OFF delay When external AC power incoming available the transfer relay switch turn ON If the external AC power cutoff the transfer relay will open When opened the external power source the supply the load connected to the AC output only the inverter will deliver current for the load connected to the INV AC power However this time will to consumption by energy switch is stored in the batteries So when external AC power cutoff The Combi unit can be automatically power OFF and should according the setting timing Default Disable Setting range Disable 10Min 7 Language The Combi unit have different language be provided selectable Default English Setting English Italian Spanish French German 8 New password This option allows to change the current password To set the new password digits use the Up and Downs keys Maximum password length 4 word Factory setting 0000 9 lac setup switch when the External AC power is connected the system will automatically constrain at the lowest value of AC input current at the same time the LCD display will show lac setup xxA message on the screen so that the Users may change the constrained value of AC current randomly The system allows the Users to set up the value within 60 sec If the time passed the system will resume automatically and back to the System previous setting Default Disable Setting
62. unit output power voltage of the inverter By adjust DIP switch SWA5 SWAG Ground Relay The function allows you to connect the Neutral conductor of the Combi unit to the Safety Ground automatically when the Combi unit is working as an inverter This means if you to set adjust the DIP switch SWAT to The internal Neutral of the inverter connected to the Safety Ground when the Combi unit is working as an inverter and disconnected when incoming AC input power is applied Default is OFF Reset If you want will the Combi unit reset to default set value of the DIP switch By adjust DIP switch SWA8 21 COTEK Inverter Charger COMBI SWB Sew Disable o o s Ya 9 eme o o Ga 1 enable 1 Ense 15a 1 o 1 Flooded Mode wA 2 0 ane Set attery Type Selection ode Support Generator 230VAC 110VAC Selection Sharing Current Limit Power Sharing RE DIP switch SWB3 and SWBA to setting sharing current limit in 6A min But user to use LCD panel setting the current in Support If you want to disable or enable the support function See 3 3 5 for more information Default is Enable Generator If you want to disable or enable the generator function See 3 3 4 for more information Default is Enable Sharing Current Limit If you want to settin
63. uts The transfer relay will open 3 3 7 Charger sharing selectable The Combi unit used CHR mode startup When external AC power comes available the transfer relay switches ON The Combi unit is constantly senses the AC power current witch is used to supply both the battery charger and the load Connected to the AC output AC OUTPUT POWER 5A INV AC OUTPUT elay ACINPUT aimes 4 2 2 10A 2A 10A AC INPUT DC CHARING 1 SHARING CONTROL BATTERIES Fig 11 Charger Sharing 17 COTEK Inverter Charger COMBI See fig 11 The AC input is still limited to 10Amps Supply the total load 5 2A 7A connected to the AC outputs That only 10 7A 3Amps is left over or sharing if the AC outputs load increases more 10 Amps The transfer relay will open When opened the AC power will deliver 5 Amps to supply the load connected to the AC output only But the inverter not to supply 2Amps load connected to the INV AC output LI As explained above operation must will sharing function enable BULK ABSORPTION FLOAT BULK 14 40VDC Absorption 14 25VDC 1 3 50VDC Start max builk timer 13 50 VDC 12 80VDC _ Fleat_ lt Return 6 Imax Hh 77 A voltage timer user max absorption repeated 30 return to select timer 8 hr
64. xtreme overloads low and high battery voltage overheating and short circuit of the inverter Considerable momentary surge power is available for starting up electric motors A built in power saving feature can reduce battery power consumption when the inverter is unloaded 3 2 2 Power saving mode selectable In the inverter mode the Combi unit has a built in automatic power saving feature that reduces battery power consumption when no load is present on the INV AC output Response from idle is instant eight modes can be set by means of DIP switches or LCD remote control 3 3 Operation Modes The Combi unit is not just a Combination of an inverter and a battery charger It has many additional features which can be used to increase the total available AC power even when external AC power is limited 3 3 1 Basic operation When there is no external AC input power available the inverter of the Combi unit provides AC power on the INV AC output output from the batteries There is no AC power available on the AC output See fig 3 INV AC OUTPUT AC INPUT POWER BATTERIES Fig 3 Inverter mode When external AC power comes available the transfer relay switches on See fig 4 Both outputs as well as the battery charger are supplied by the external AC power The batteries are recharged now Inverter Charger COMBI AC OUTPUT POWER Relay re e D
65. zzer ON ALM ALM LO Buzzer OFF TR Vcc ALM Lamp ON ALM ALM LO Lamp OFF 43 COTEK Inverter Charger COMBI e PIN2 User be use this pin to force the Combi unit to turn ON or turn OFF and the function must with the J1 jump coordination use see 6 2 1 J1 jump is open Turn OFF the Combi unit When have a power provision the CTL pin then the Combi unit to turn ON If the power havn t provision the CTL pin this time the Combi unit to turn ON As follows shows CTL Input Voltage Combi Unit 5 60 VDC Open OV Turn OFF x J1 jump is short Turn ON the Combi unit When have a power provision the pin then the Combi unit to turn OFF If the power havn t provisions the pin this times the Combi unit to turn ON As follows shows J1 Jump Input Voltage 5 60 VDC Turn OFF Short OV Turn ON ENB PINS User can be this pin to control the Combi unit to turn ON or turn OFF ENB ON Combi unit OFF Combi unit OFF VCC ENB e Hi Combi unit ON TR ON Low Combi unit OFF TR OFF VCC WARNING To turn ON the combi unit by operating the ENB function of LCD Panel the combi inverter cannot be turn OFF by any others operations only if to turn the MAIN SWITCH OFF A Vcc PIN4 This is LCD remote control panel ground

Inverter / Charger COMBI - Canadian Power Conversion

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