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CHNT Power CPS SCA-S Series, Installation And Operation Manual

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CHNT Power CPS SCA-S Series Installation And Operation Manual Download Page 48

45

Common specs

Topology

Transformerless

Protective class

I

Protection level

IP65

Pollution degree

PD3

Operating temperature

range

-25 degree~60 degree

Relative humidity

0

－

100%

Warranty

5 year

Cooling

Natural convection

Max. operating altitude

4000m

Noise

<25dB

Dimensions

285*336*125mm

Weight

8.8KG

Protection

Input DC switch, Anti-islanding, protection, Output short circuit

protection, Input reverse-connection protection, AC surge protection,

Insulation resistance detection, RCD detection

CPS SCA-S/

SM Series Inverter

Summary of Contents for CPS SCA-S Series

Page 1: ...Shanghai Chint Power Systems CO LTD CPS SCA3 3 6 4 4 6 5 6KTL SM CPS SCA1 2 2 5 3 3 6KTL S A S SM Series CPS SC Grid tied PV Inverter Installation and Operation Manual ...

Page 2: ... 2 3 Outline and Dimensions 2 4 Working Process 2 5 Working Modes 2 1 1 Function 2 1 2 Model Description 2 3 1 Outline 2 4 1 Basic principle Description 2 4 2 Circuit Diagrams 2 2 1 Grid tied PV Power Systems 4 1 Checking the Outer Packing 4 2 Moving the 4 3 Identify the PV Inverter 4 3 1 Nameplate 3 Storage 01 01 02 03 03 03 04 04 04 05 06 06 06 06 06 07 07 09 09 09 10 13 13 12 13 11 Forward 1 Sa...

Page 3: ...er 11 Technical Specifications 8 1 Routine Maintenance 8 2 The Inverter Troubleshooting 8 3 Removing the Inverter 9 1 Quality Terms 9 2 Liability Waiver 4 5 Installing a Rear Panel 4 6 Installing the Inverter 22 22 23 24 24 25 27 27 31 31 32 33 33 34 41 42 35 36 38 40 40 14 18 18 21 4 4 1 Determining the Installation Position 4 4 2 Installation Mode Requirements 4 4 Installation Requirements 4 3 2...

Page 4: ...d using the inverter and keep the manual well for future reference Grid tied PV string inverter This user manual is intended for photovoltaic PV inverter operating personnel and qualified electrical technicians This user manual is subject to change specific please in kind prevail without prior notice The latest version of user manual and other more information about the product are available from ...

Page 5: ...ch if not correctly followed could result in equipment failure to run or property damage Calls attention to important information best practices and tips supplement additional safety instructions for your better use of the PV inverter to reduce the waste of your resource Refer to documentation Remind operators to refer to the documentation shipped with the inverter Safety symbols used in this manu...

Page 6: ...important product information c Do not remove the anti dismantle label on the inverter s enclosure because it is the basis for product warranty a Ensure there is no electronical connections around ports of the PV inverter before installing b Adequate ventilation must be provided for inverter installation location Mount the inverter in vertical direction and ensure that no object is put on the heat...

Page 7: ...g described in the user manual when commissioning the PV inverter c Do not touch any other parts surface except the DC switch when the PV inverter is operating its partial parts will be extremely hot and can cause burns Before installing the inverter check all electrical ports to ensure no damage and no short circuit Otherwise personal casualty and or fire will occur While the inverter operating h...

Page 8: ...ed access to the maintenance site c Follow the procedures of maintenance stipulated in the manual strictly d Check the relevant safety and performance of the inverter rectify any faults that may compromise the inverter security performance before restarting the inverter To avoid any other unforeseeable risk contact immediately if CHINT there is any issue found during operation NOTICE 1 7 Additiona...

Page 9: ... The series applies to grid tied PV power systems for outdoor power stations Typically a grid tied PV power system consists of PV modules grid tied inverters AC distribution units and low voltage power grid as shown in Figure 2 2 The inverter is transformerless Add an isolation transformer before grounding the positive negative terminal of PV modules like Thin Film module for operation Do not conn...

Page 10: ... 2 Grid tied PV system PV strings inverter AC Distribution Unit low voltage power grid Figure2 4 3K 6K PV Inverter with Double MPPT Input unit mm Figure2 3 1K 3 6K PV Inverter with Single MPPT Input unit mm 2 3 Outline and Dimensions 285 336 125 333 8 424 8 125 CPS SCA S SM Series Inverter ...

Page 11: ... breaker 3 PV terminal 4 5 Communications interface 6 Figure 2 5 The front view and amplification effect of LED indicator area 1 Runing Indicator 2 COM Indicator 3 Fault Indicator 1K 3 6K PV Inverter with Single MPPT Input 3K 6K PV Inverter with Double MPPT Input Figure 2 6 The rear view of this series inverter 1 2 3 CPS SCA S SM Series Inverter ...

Page 12: ...ircuit Finally the AC power is fed to the power grid EMI filer is used on both the DC and AC sides to reduce the electromagnetic inference Surge protection is supported on AC side Figure 2 8 shows the circuit diagram for the 1K 3 6K PV Inverter with Single MPPT Input Figure 2 9 shows the circuit diagram for the 3K 6K Inverter with 2 MPPT Input Figure 2 8 circuit diagram Figure 2 9 circuit diagram ...

Page 13: ...not meet its minimum power requirements When the PV inverter is grid tied and generates electricity it tracks the maximum power point to maximize the PV string output converts DC power from PV strings into AC power and feeds the power to the power grid The PV inverter will enter to the shutdown mode if detecting a fault or a shutdown command Modes Standby Operating Description The PV inverter swit...

Page 14: ...0 to 100 no condensing The PV inverter should be stored in a clean and dry place and be protected from dust and water vapor corrosion A maximum of eight layers of inverters can be stacked Do not position the inverter at a front tilt excessive back tilt or side tilt or upside down Conduct periodic inspection during storage Replace the packing materials immediately if any rodent bites are found Ensu...

Page 15: ...able or explosive materials Do not install the inverter in a place where personnel are likely to come into contact with its enclosure and heat sinks to avoid electrical shock burn Figures 4 1 The deliverables The inverter and its fittings The deliverables in the fittings of inverter CAUTION DANGER The inverter Items Deliverables Bolt group reserved for tighteningthe support and rear panel Screw Fi...

Page 16: ...am or paper under to protect its enclosure 4 3 1 Nameplate After moving the PV inverter from packing box identify it by reading its nameplate labeled on the side of the inverter The nameplate contains important product information the model information communications technical specifications and compliance symbols CAUTION If any damage mentioned above is found contact the dealer immediately After ...

Page 17: ...ety symbol Description Applies to wall mounting installation as described below in detail a The inverter is protected to IP65 and can be installed indoors or outdoors b The installation method and position must be appropriate for the weight and dimensions of the inverter c Do not install the inverter in a place where personnel are likely to come into contact with its enclosure and heat sinks becau...

Page 18: ...el to facilitate operation and maintenance b Reserve enough clearance around the inverter to ensure sufficient space for installation and heat dissipation as shown in Figure 4 4 a The carrier where the inverter is installed must be fire proof Do not install the inverter on flammable building materials b The wall must be solid enough to bear the weight of the inverter c Do not install the inverter ...

Page 19: ...e 4 5 if sufficient space is available and install them in triangle mode as shown in Figure 4 6 or in stacked mode as shown in Figure 4 7 if no sufficient space is available The installation modes ensure sufficient space for installation and heat dissipation Figure 4 5 Installation along the same line unit mm 16 500 500 200 200 600 200 200 CPS SCA S SM Series Inverter ...

Page 20: ...unit mm Figure 4 7 Installation in stacked mode unit mm The clearance between multiple inverters must be increased to ensure proper heat dissipation when they are installed in a hot area NOTICE 17 300 100 1000 200 CPS SCA S SM Series Inverter ...

Page 21: ...hown in Figures 4 8 4 9 Figures 4 8 The correct installation mode The correct installation mode upright Lean back Figure 4 9 The wrong installation modes The wrong installation will lead to failure of the inverter operation Before installing the inverter secure the shipped rear panel to a wall NOTICE Horizontally Upside down 15 Forward 4 5 Installing a Rear Panel CPS SCA S SM Series Inverter ...

Page 22: ...2 DANGER Before drilling the hole on the wall ensure no damage on the electric wire and or water pipe inside the wall Step 1 Move out the rear panel from the packing case Step 2 Determine the positions for drilling holes as shown in Figure 4 10 using the rear panel Figure 4 10 Determine the positions for drilling holes unit mm 140 195 120 165 165 250 135 200 1K 3 6K PV Inverter with single MPPT in...

Page 23: ... knock the expansion bolt completely into the hole using a rubber mallet Punch holes Install expansion bolts Figure 4 12 Punch holes and install expansion uint mm Ø10 drilling depth 60 mm Step 5 Align the rear panel with the holes insert expansion bolts into the holes through the real panel and tighten the expansion bolts to a torque of 2 2 5 N m using a torque wrench as shown in Figure 4 13 20 CP...

Page 24: ...ten the scraews at both sides Step 2 Mount the inverter on the rear panel and keep them aligned with each other as shown in Figure 4 14 Step 3 Tighten the two hexagon screws at the both sides of the inverter to a torque of 1 2N m and 3N m respectively Screw specs for 1K 3 6K and 3K 6K are M4 and M6 respectively as shown in Figure 4 14 21 4 6 Installing the inverter CPS SCA S SM Series Inverter ...

Page 25: ...erwise circulating current generated by the inverters will lead to operation failure Select Isolation setting on the APP ChintHome and set in Input Grounded With TF The ground cable and OT terminals have been prepared a Ground cable Outdoor copper core cables with a cross sectional area of 4 mm or more are recommended b OT terminal OT6 4 5 1 1 Preparation Key parameter Product series code Terminal...

Page 26: ...ng a wire Stripper the length is a little bit longer than that of OT terminal s crimping end by 2mm 3mm as shown in Figure 5 1 5 1 2 Wiring Procedures Figure 5 1 Stripped length unit mm Step 2 Insert the exposed core wires into the crimping areas of the OT terminal and crimp them using hydraulic pliers as shown in Figure 5 2 Figure 5 2 Crimping a cable unit mm 23 Step 3 Remove the ground screws fr...

Page 27: ...ore cables are recommended Table 5 1 describes the specifications 5 2 1 Preparation The AC power cable and AC terminals have been prepared Table 5 1 AC output cable specifications Inverter Model Cable type 2 Cross sectional Area mm Range Recommended Value Cable Outer Diameter mm Range Recommended Value outdoor cable outdoor cable 4 6 4 6 10 14 14 1K 3 6K 3K 6K 24 5 2 Connecting AC Output Cables CP...

Page 28: ... of the jacket and insulation layer from the AC output cable using a wire stripper as shown in Figure 5 5 Figure 5 5 Stripped length unit mm Step 2 Insert the exposed core wires through nut of AC terminal sleeve in the intermediate L terminal of line wire N terminal of neutral wire into E terminal of Earth Wire tighten the screw The required torque is 0 8 N m After fixing the cables tighten the nu...

Page 29: ...26 Step 3 After AC wiring route the AC connector into the AC terminal of the inverter and double check it as shown in Figure 5 7 Figure 5 7 Connecting AC Cinnector CPS SCA S SM Series Inverter ...

Page 30: ...nce Grounding the PV Strings needs below prerequisites otherwise a fire can occur PV modules connected in series in each PV string must be of the same specifications The maximum open circuit voltage of each PV string must be always lower than or equal to its permitted range The maximum short circuit current of each PV string must be always lower than or equal to its permitted range The positive an...

Page 31: ...d Value Range 4 6 4 5 8 1K 3 6K 3K 6K PC locking nut Figure 5 8 Positive connector compositions 1 2 1 2 Figure 5 9 Negative connector compositions NOTE Connectors of PV Strings Positive and negative DC input connectors are used as shown in Figure 5 8 and Figure 5 9 the insulation layer locking nut the insulation layer Positive and negative metal connectors are packed with positive and negative con...

Page 32: ...Insert the exposed areas of the positive and negative power cables into the metal terminals of the positive and negative connectors respectively and crimp them using a crimping tool as shown in Figure 5 11 Figure 5 11 Crimping a metal connector Step 3 Insert the crimped positive and negative power cables into the corresponding positive and negative connectors until a click sound is heard as shown ...

Page 33: ... 5 14 Figure 5 14 Checking the voltage of every route Strings Step 6 Insert the positive and negative connectors into their corresponding terminals of the inverter until a click sound is heard as shown in Figure 5 15 Step 7 After connecting the PV strings ensure that all connectors are in position by checking for resistance when a slight pull is applied Figure 5 15 Connecting to the inverter RANGE...

Page 34: ...rk to monitor PV inverter s data status For more details refer to WIFI Product Application Manual You can choose and buy WIFI GPRS RS485 communication modules from CHINT WIFI GPRS User Manual are available from http www chintpower com en RS485 switching module monitors PV inverter s data status through collecting and uploading data to Cloud server For more details refer to RS485 switching Product ...

Page 35: ...cations cables are connected tightly correctly and securely 5 Check there is no open circuit or short circuits at AC and DC terminals using multimeter 6 Waterproof connectors at AC terminals and RS485 ports are plugged with waterproof plugs tightly 7 Covers at AC terminals are tightened 8 Idle terminals are sealed 9 All safety warning symbols are intact and complete on the inverter Table 5 4 Self ...

Page 36: ...during operating the PV inverter call your dealer Step 2 Step 1 Switch off the circuit breaker at AC terminal Run a shutdown command on the inverter APP ChintHome Step 3 Set the DC SWITCH to OFF After the inverter powers off the remaining electricity and heat may still cause electrical shock and body burns Please only begin servicing the inverter ten minutes after the power off WARNING NOTE 6 Syst...

Page 37: ...he requirements for inverter grid connecting to generate power When grid on the blink every cycle last 30s of Grid Indicator means loading amounts quantity of blink means power size and after that the Indicator keeps ON When less than 20 rated power blink one time 20 40 rated power blink twice every 30s 40 60 rated power blink three times every 30s 60 80 rated power blink four times every 30s 80 1...

Page 38: ...P Inverter List Inverter List Scanning new device Scanning new device New inverters New inverters Connected inverters Connected inverters No new device No Connected device No Connected device Line Mode Current power Peak Power Temperature E Total E Today 1 Open APP ChintHome click Scanning new devices button 2 Click new device for connection 3 APP display inverter status after connection 35 CPS SC...

Page 39: ...ated users do not arbitrarily change related parameters Setting DC Output AC Output Voltage Voltage A Power Factor Active Power Output Freq Reactive Power Current Current A Line Mode Current power Peak Power Temperature E Total E Today History Basic Setting Date and time IP address 2018 01 09 12 52 22 User Switching user Change user mode ModBus Adress 1 Baud Rate 9600 Protocol Modbus RTU Restart i...

Page 40: ...e heat sink WARNING Check Item Check Content Maintenance Interval Maintain content PV inverter running status Check that the inverter is not damaged or deformed Check for normal sound emitted during inverter operation Check and ensure that all inverter communications is running well If there is any abnormal phenomenon replace the relevant parts Semiannually PV inverter Electrical Connections Check...

Page 41: ...ker AC terminals is disconnected or not or if the grid has a power outage Check the number of PV modules and adjust it if need PV Under Voltage PV modules input voltage is under the inverter s defaulted protection value 1 When sunlight intensity weakens PV modules voltage decreases No action is needed 2 If such phenomena occur when sunlight intensity does not weaken check if there is short circuit...

Page 42: ...iorated PV Strings Reverse The cables of PV strings are connected reversely during the inverter installation Check whether the cables of PV strings are correctly connected If they are connected reversely reconnect the cables BUS Under Voltage BUS Over Voltage Invert Module Fault BOOST Fault EEPROM Fault Abnormal internal energy control imbalance has been triggered by the PV Strings grid sharp chan...

Page 43: ...ait till power is restored 2 Turn DC switch to ON and if DC switch trips a lot contact your dealer If you cannot clear the preceding alarm according the measures recommended contact your dealer timely Perform the following procedures to remove the inverter Step 1 Disconnect all cables from the inverter including communications cables DC input power cables AC output power cables and PGND cables as ...

Page 44: ... inverter from the rear panel Step 3 Remove the rear panel Before removing DC input connector double check DC input switch is turned to OFF to avoid inverter damage and personal injury WARNING CPS SCA S SM Series Inverter ...

Page 45: ...Operation in adverse environments beyond that described in User Manual 5 Any installation and operation environment beyond the relevant national standards 6 Any installing reconfiguring or using faulty 7 Any revising the product or modifying its software code without authorization 8 Maintenance faulty caused by the technician personnel unauthorized 9 Any operation ignoring the safety precautions s...

Page 46: ...ntal protection material If the inverter service life has expired do NOT cut it away with household garbage dispose the inverter in accordance with local rules for disposal of electrical equipment waste 43 10 Disposal of the Inverter CPS SCA S SM Series Inverter ...

Page 47: ... Max short circuit current 15A Max back feed current 0A Over voltage class II Output Rated output power 1 000W 2 000W 2 500W 3 000W 3 600W Max apparent power 1 100VA 2 200VA 2 750VA 3 300VA 3 960VA Max active power PF 1 1 100W 2 200W 2 750W 3 300W 3 960W Max output current 4 8A 9 5A 11 9A 14 3A 17 2A Max Inrush current 10A Max output fault current 7A 13A 17A 20A 24A Rated grid voltage 220V 230V 24...

Page 48: ...tive humidity 0 100 Warranty 5 year Cooling Natural convection Max operating altitude 4000m Noise 25dB Dimensions 285 336 125mm Weight 8 8KG Protection Input DC switch Anti islanding protection Output short circuit protection Input reverse connection protection AC surge protection Insulation resistance detection RCD detection CPS SCA S SM Series Inverter ...

Page 49: ...Number of MPPT routes 2 Max short circuit current 15A Max back feed current 0A Over voltage class II Output Rated output power 3000W 3600W 4000W 4600W 5000W 6000W Max apparent power 3300VA 3680VA 4400VA 5060VA 5500VA 6000VA Max active power PF 1 3300W 3680W 4400W 5060W 5500W 6000W Max output current 14 3A 16 0A 19 1A 22 0A 23 8A 28 6A Max Inrush current 10A Max output fault current 19A 23A 27A 31A...

Page 50: ...Input DC switch Anti islanding protection Output short circuit protection Input reverse connection protection AC surge protection Insulation resistance detection RCD detection 1 Grid power voltage range can be set according to national voltage standards 2 Power grid frequency range can be set according to national grid standards 3 The preceding technical specifications are subject to change withou...

Page 51: ...e Shanghai CHINT Power Systems Co Ltd Headquarters Building 4 No 3255 Sixian Road Songjiang District Shanghai China Service Hotline 86 21 3779 1222 866300 E Mail service cps chint com Website www chintpower com en ...

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