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Kaco blueplanet 1502xi Instruction Manual Download Page 43

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31000770-02-112609 blueplanet Operating and Installation Instructions 1502xi - 5002xi

Section 8 ·

blueplanet as Part of a PV Installation

8 blueplanet as Part of a PV

Installation

8.1 Design of installation

A sample design of a grid-connected PV installation
using a blueplanet is shown below in the overview
circuit diagram.

Figure 8.1

Single-line overview circuit diagram

for an installation with two inverters

PV array

blueplanet inverter with
pre-installed AC/DC
disconnect switch

PV array

blueplanet inverter with
pre-installed AC/DC
disconnect switch

Circuit breaker

Utility meter

Main circuit breaker

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Summary of Contents for blueplanet 1502xi

Page 1: ...Instruction Manual Operator Authorized Installer blueplanet 1502xi blueplanet 2502xi blueplanet 3502xi blueplanet 5002xi ...

Page 2: ......

Page 3: ...ts 1 1 2 Symbols used in this document 1 1 3 Name plate 1 2 Safety Instructions and Regulations 2 3 Notes on Installation and Operation 2 3 1 Intended use 2 3 2 Factory warranty and liability 3 3 3 Service 3 4 Operation 3 4 1 Overview of controls and displays 3 4 2 LED displays 4 4 3 Keys 1 and 2 4 4 4 Level 1 menu Display mode 5 4 5 Level 2 menu Configuration mode 5 4 6 DC AC switch 6 4 7 Night t...

Page 4: ... which may have been included with the inverter for information regarding installation of the inverter 1 1 Retention of documents Please pass these operating and installation instructions on to the installation operator These documents must be stored near the installation and must be available at all times 1 2 Symbols used in this document When operating the inverter observe the safety instruction...

Page 5: ...TE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause h...

Page 6: ...ame plate on the unit must be fully legible If these requirements are not fulfilled KACO new energy GmbH reserves the right to deny warranty services The warranty period for repairs or replacement deliveries is six months after delivery However it continues at least until the end of the original warranty period for the delivery item 3 3 Service We place special emphasis on the quality and longevit...

Page 7: ... inverter is shut down completely The inverter can only resume its normal operation when the public utility grid is available again Check whether the fault in question relates to a general power failure or whether the circuit breaker between the utility service and the inverter has tripped If the circuit breaker has tripped notify your authorized technician If there was a power failure simply wait...

Page 8: ...is counter e g as a monthly counter The counter can be cleared in configuration mode Clear yield Yield today The power that has been fed into the grid during the current day This value resets to zero each morning Total yield The power that has been fed into the grid since installation of the inverter The initial value can be set in configuration mode Total economy of CO2 Shows the CO2 savings of t...

Page 9: ...nsufficient solar generator power the inverter stops feeding into the grid after a short period of time 4 6 DC AC switch The inverters include a connection box with an internal DC AC disconnect switch which allows for the inverter to be disconnected from the photovoltaic generator and the AC power grid and removed for service To disconnect the inverter from the photovoltaic generator turn the inte...

Page 10: ...e KACO proLOG watchDOG or other monitoring device you can receive yield and operating data as well as error messages by SMS text message or e mail These monitoring options are especially recommended for situations where you are unable to check the functionality of the installation on site at regular intervals e g if you live far away from the installation site Contact your installer if you wish to...

Page 11: ...to the grid Protective function of the inverter The inverter can only begin feeding into the grid once the PV voltage falls below a specified value The PV voltage is below the maximum permissible no load voltage this status is not an error 62 Standalone mode The inverter was switched to standalone mode by the blueplanet Grid Save function The inverter is disconnected from the public utility grid T...

Page 12: ...grid related shutdown 36 Protection shutdown HW Protection shutdown of the hardware AC overvoltage AC overcurrent DC link overvoltage This is not an error but instead a grid related shutdown 38 Failure PV Overvoltage The voltage of the PV generator is too high The solar generator is wrongly dimensioned Notify your authorized electrician 41 Line failure Undervoltage The voltage of the grid feed pha...

Page 13: ...energy com blueplanetweblogin php Figure 5 2 KACO watchDOG Information about additional accessories can be found in our general catalogue price list and website 5 Accessories KACO offers its customers a comprehensive range of helpful accessories The array of products includes monitoring display visualisation and data transmission equipment of the highest quality KACO proLOG Are you looking for pro...

Page 14: ... generator voltage is too low DC AC switch is OFF 0 The inverter switches to night shutdown mode as soon as the solar generator voltage is below the minimum grid feed voltage for a longer period of time In this case the display will also switch off In order to still be able to view the currently measured values you can switch on the inverter via the night start up key A grid failure will also caus...

Page 15: ... weather conditions frequent switching between sunny and cloudy conditions or strong solar insolation a light hum may be audible due to the high output With particular grid conditions resonances may form between the unit s input filter and the grid which may be audible even when the inverter is switched off People with very sensitive hearing particularly children may be able to hear the high frequ...

Page 16: ...if you have questions about our products or the components in our products don t hesitate to call 1 866 522 6765 and ask Device Do not dispose of faulty inverters or accessories together with householdwaste Ensurethattheoldunitand whereapplicable any accessories are disposed of in a proper manner Most areas have public electronic waste disposal and or recycling plants Feel free to contact KACO at ...

Page 17: ...tallation 22 5 2 Installing the inverter 23 5 4 Grounding the inverter 28 A Grounding single inverters 28 B Grounding multiple inverters 28 5 5 Connecting to the Public Grid 30 5 6 Electrical connection 31 A Grid Connection 32 5 7 Interfaces 33 A Connecting the fault signal relay 34 B Connecting the S0 output 34 C The RS485 interface connection 34 5 8 Starting up the inverter 35 5 9 Parameter prog...

Page 18: ...e installation operator The installation operator retains the documents The instructions must be available whenever they are needed 1 2 Symbols used in this document When installing the inverter observe the safety instructions included in these installation instructions DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicat...

Page 19: ...as other instructions concerning assembly operation and maintenance may work on this unit When this unit is operating certain parts of the unit unavoid ably carry hazardous voltages which can lead to death or serious bodily injury The precautions listed below must be followed in order to minimise the risk of death or injury The unit must be installed in compliance with safety regulations as well a...

Page 20: ...f PV Voltage is smaller 550 V Output Electrical data Model 1502xi 2502xi 3502xi 5002xi Rated power 1500 W 2500 W 3500 W 5000 W Maximum power 1650 W 2500 W 3500 W 5000 W Line voltage 212 V 264 V 240 VAC 184 V 228 V 208 VAC Rated current 6 5 A 240 VAC 7 2 A 208 VAC 10 4 A 240 VAC 12 0 A 208 VAC 14 6 A 240 VAC 16 8 A 208 VAC 20 8 A 240 VAC 24 0 A 208 VAC Max current 8 0 A 240 VAC 8 0 A 208 VAC 12 0 A...

Page 21: ...ht shutdown 0 4 W 240 VAC 0 3 W 208 VAC Operation 5 W Minimum grid feed power 10 W 15 W 25 W 25 W Maximum Output Fault Current AC and Duration 30A 100µs 50A 100µs 70A 100µs 96A 100 µs Maximum Input Short Circuit Current 21 45 A 21 45 A 28 0 A 40 0A Maximum Input Source Backfeed Current to Input Source 0A Synchronization In Rush Current 0A Voltage and Frequency Trip Time 160ms Voltage Trip Limit Ac...

Page 22: ...knockouts on connection box Terminals accept AWG 4 to AWG 12 75 C copper wire Torque to 20lb in 2 2N m Interfaces RS485 S0 error transmitting relay Ambient temperature 4 F 140 F 104 F power derating 13 F 140 F 104 F power derating Internal Temperature monitoring 158 F temperature dependent power limiting 176 F disconnection from the grid Max humidity 95 not condensing Cooling Free convection no fa...

Page 23: ...ermitted input voltage range The MPP voltage of the entire string must always be greater than the lowest MPP voltage of the inverter If the MPP voltage moves outside of the permitted input range the installation may still appear to function properly In this situation the maximum possible amount of power is not fed into the grid instead a smaller amount is back fed to the utility grid The amount of...

Page 24: ...1 4 in 42 lbs 2502xi 32 in 14 in 8 1 4 in 52 lbs 3502xi 35 7 8 in 14 in 9 1 2 in 69 lbs 5002xi 35 7 8 in 14 in 9 1 2 in 70 lbs 4 5 Inverter knockout dimensioning Figure 5 1 A Inverter bottom knockout dimensions Model X Y Z 1502xi 4 13 32 8 19 32 5 13 32 2502xi 4 13 32 8 19 32 5 13 32 3502xi 6 8 19 32 5 13 32 5002xi 6 8 19 32 5 13 32 Figure 5 1 B Inverter left view knockout dimensions Model X Y Z 1...

Page 25: ...burns from hot housing components Install the blueplanet so that unintentional contact with heat sink is not possible 5 1 Selecting an appropriate place for installation NOTE blueplanet inverters meet the requirements of protection class NEMA 3R if all cable feedthroughs are used or appropriately sealed The units should be installed in areas that are as dry as possible in order to extend their ser...

Page 26: ... inverter only on walls made from heat resistant material Ensure that the wall has adequate load bearing capacity and use appropriate installation material Be sure to install the inverter in a sufficiently elevated place especially in areas prone to flooding however it is important to note that the minimum distance to ground is 3 feet when mounted outdoors Installation at eye level makes it easier...

Page 27: ...structions 1502xi 5002xi Figure 5 2 blueplanet 1502xi and 2502xi wall bracket dimensions Check the composition and condition of the wall before instal lation If necessary use an alternate means of installing the inverter to the wall Section 5 Installation and Start Up ...

Page 28: ...blueplanet Operating and Installation Instructions 1502xi 5002xi 31000770 02 112609 Page 25 Section 5 Installation and Start up Figure 5 3 blueplanet 3502xi and 5002xi wall bracket dimensions ...

Page 29: ... and current that is available at the line terminals of the equipment 690 64 The supply side of the inverter shall be permitted to be connected to the supply side of the service disconnecting means as permitted in 230 82 6 The load side is permitted as long as each interconnection ACTION Mount the inverter so that the wall bracket fits into the notch on the rear of the inverter assembly mounting p...

Page 30: ... AC and DC switch ratings are detailed in this table AC DC Disconnect Inverter Models 1502 2502 3502 5002 DC Nominal Voltage VDC 600 550 550 550 550 DC Nominal Current IDC 40 21 45 21 45 40 40 AC Nominal Voltage VAC 300 240 208 240 208 240 208 240 208 AC Nominal Current IAC 36 8 12 5 17 24 The disconnect solution offered by KACO new energy complies with all applicable NEC and UL1741 requirements T...

Page 31: ...ctric codes The inverter has two sides of grounding we need to consider System ground grounding connecting the circuit to ground i e negative of a PV generator neutral of a split single phase or bi polar dc system Equipment ground bonding Connecting all non current carrying metal parts to ground array structure metal enclosure module frame The AC Grounding Electrode Conductor GEC shall be sized as...

Page 32: ...rounded through the GFDI fuse The positive is connected to the Hot Terminal Figure 5 8 DC connection 02xi series Negative Grounding System Section 5 Installation and Start Up Positive Grounded System Connect the negative generator connection to Hot in the connection box Connect the positive generator connection to Return in the connection box Connect Return white cable to DC in the inverter Connec...

Page 33: ...solar generator must be measured before connecting the DC leads to the inverter terminals The DC voltage must not exceed the max generator voltage because this would destroy the unit ACTION Before connecting the PV generator to the blueplanet check that the PV generator is not grounded Measure the DC voltage between the protective ground PG and the positive lead and between the protective ground P...

Page 34: ...lay USA 208V Figure 5 15 208V Delta Country setting on the display USA 208V no neut L1 L2 L3 120 120 120 480V 480V 480V Figure 5 16 480V Delta or 480 277V WYE WARNING Do not connect the inverter to the 480 V Delta or 480V 277V WYE power grids 5 6 Electrical connection General information The electrical connections can be established after the inverter is installed in its fixed location Knockouts a...

Page 35: ...ou must adhere to all mandatory safety regulations the currently required technical connection specifications of the responsible power supply company as well as to other gener ally applicable regulations WARNING To connect the inverter the AC and DC sides must be disconnected from all power sources and secured against being inadvertently energized A Grid Connection Figure 5 17 Connection of the co...

Page 36: ...provided with the required branch circuit overcurrent device sized in accordance with the National Electrical Code ANSI NFPA 70 The maximum size overcurrent device shall not be more than 15 A for the 1502xi 20 A for the 2502xi 25 A for the 3502xi and 30 A for the 5002xi NOTE Be sure to use cables with a sufficiently large cross section to avoid excessive line impedance between the building s distr...

Page 37: ...ly to the interconnection of inverters A connection diagram is displayed in figure 5 21 The total length of the RS485 wiring should not exceed 4 000 feet Proper polarity must be maintained or devices will not be able to communicate Figure 5 21 Connection diagram for the RS485 interface using the KACO proLOG In figure 5 21 a terminating resistor Ra is connected to the last inverter in the chain For...

Page 38: ... selected hold down the 2 key to start the process again NOTE If the power is cycled or 10 minutes elapse the settings for the grid type are locked and a password will need to be obtained from tech support The top green LED OK lights when DC voltage is available and indicates that it is ready to be put into operation The display now indicates the current PV generator voltage Start from xx V meas x...

Page 39: ...ch off The inverter is equipped with 1 phase monitoring If the line voltage drops below the value set for Minimum line voltage the inverter switches off The minimum cut off threshold can be set in 1 V increments Line overvoltage switch off If the line voltage exceeds the value set for Maximum line voltage the inverter switches off The cut off threshold can be set in 1 V increments Under and overfr...

Page 40: ...voltage range 2 104 V V 184 V 0 16 sec fixed Undervoltage range 1 184 V V 208 V 0 16 sec 2 sec Overvoltage range 1 208 V V 228 V 0 16 sec 1 sec Overvoltage range 2 228 V V 249 V 0 16 sec fixed Voltage USA 240 V Voltage range Clearing time Undervoltage range 2 120 V V 212 V 0 16 sec fixed Undervoltage range 1 212 V V 240 V 0 16 sec 2 sec Overvoltage range 1 240 V V 264 V 0 16 sec 1 sec Overvoltage ...

Page 41: ...ch off the line voltage and the solar generator with the aid of the AC DC disconnector I on or energized O off or deenergized 7 1 Cleaning the fan If the fan is only covered with loose dust it can be cleaned with the help of a vacuum cleaner or a soft brush If the fan is very dirty or if it s defective it can be removed 7 2 Removing the fan If the fan is very dirty or defective proceed as follows ...

Page 42: ...i 5002xi 31000770 02 112609 Page 39 Section 7 Maintenance 5 Remove the fours screws from the mounting bracket 6 The fan can be removed along with the mounting bracket 7 After cleaning or replacing the fan perform this sequence in reverse to reinstall the fan ...

Page 43: ...lation A sample design of a grid connected PV installation using a blueplanet is shown below in the overview circuit diagram Figure 8 1 Single line overview circuit diagram for an installation with two inverters PV array blueplanet inverter with pre installed AC DC disconnect switch PV array blueplanet inverter with pre installed AC DC disconnect switch Circuit breaker Utility meter Main circuit b...

Page 44: ... inverter comes equipped with an pre installed AC DC disconnect switch As a result the installation of an external AC or DC disconnect switch is not required NOTE Be sure to check with local electrical codes and utility requirements as some inspectors will require a separate visible blade disconnect Line overcurrent protection In order to protect the wiring the inverter s supply leads should be se...

Page 45: ... 2 Three phase grid connection for installations with multiple inverters Electrical connection The blueplanet feeds only on two phases In order to avoid asymmetries on a 3 phase grid installations with multiple inverters should be designed so that the inverters feed into the grid in differing phases The inverter feeds into the con nections labelled L1 and L2 If you have multiple inverters connect ...

Page 46: ...eed period the inverter shows that the power being fed into the grid is between 0 and 5 W If the inverter is definitely receiving sufficient generator power the grid separation relay is presumably faulty thus preventing the inverter from connecting Please contact KACO new energy service The inverter is active but does not feed into the grid The display indicates a line failure The inverter has int...

Page 47: ...urves 90 91 92 93 94 95 96 97 98 99 100 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Efficiency 125 Vdc 195 Vdc 400 Vdc Figure 10 1 Efficiency curve 1502xi 240 V 90 91 92 93 94 95 96 97 98 99 100 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Efficiency 125 Vdc 195 Vdc 400 Vdc Figure 10 2 Efficiency curve 1502xi 208 V ...

Page 48: ...1 92 93 94 95 96 97 98 99 100 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Efficiency 200 Vdc 265 Vdc 450 Vdc Figure 10 3 Efficiency curve 2502xi 240 V 90 91 92 93 94 95 96 97 98 99 100 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Efficiency 200 Vdc 265 Vdc 450 Vdc Figure 10 4 Efficiency curve 2502xi 208 V ...

Page 49: ... 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Efficiency 200 Vdc 280 Vdc 510 Vdc Figure 10 5 Efficiency curve 3502xi 240 V 90 91 92 93 94 95 96 97 98 99 100 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Efficiency 200 Vdc 280 Vdc 510 Vdc Figure 10 6 Efficiency curve 3502xi 208 V Section 10 Efficiency curves ...

Page 50: ... 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Efficiency 200 Vdc 280 Vdc 510 Vdc Figure 10 8 Efficiency curve 5002xi 240 V 90 91 92 93 94 95 96 97 98 99 100 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Efficiency 200 Vdc 280 Vdc 510 Vdc Figure 10 7 Efficiency curve 5002xi 208 V Section 10 Efficiency curves ...

Page 51: ...Page 48 31000770 02 112609 blueplanet Operating and Installation Instructions 1502xi 5002xi Section 11 Compliance Certificates 11 Compliance Certificates ...

Page 52: ...blueplanet Operating and Installation Instructions 1502xi 5002xi 31000770 02 112609 Page 49 Section 11 Compliance Certificates ...

Page 53: ...Page 50 31000770 02 112609 blueplanet Operating and Installation Instructions 1502xi 5002xi Section 11 Compliance Certificates ...

Page 54: ...blueplanet Operating and Installation Instructions 1502xi 5002xi 31000770 02 112609 Page 51 Section 11 Compliance Certificates ...

Page 55: ...Page 52 31000770 02 112609 blueplanet Operating and Installation Instructions 1502xi 5002xi Notes Keep records of your installation and performance ...

Page 56: ...6 522 6765 kacoinfo kaco newenergy com www kaco newenergy com The text and figures reflect the current technical state at the time of printing Subject to technical changes Errors and omissions excepted 31000770 02 112609 ...

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