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Copyright 2021 Ampt LLC.
All rights reserved.

20

String Optimizer V600-32 Platform
Installation Manual: 57070021-1 A

Chapter 3:
Installing the String Optimizer

Getting Started

This chapter addresses the proper mounting and installation of the Ampt String Optimizer. Read
the entire chapter before starting the procedures and then conduct each task in the order
given.

Parts and Tools Needed

•

The mounting hardware varies by the type of PV module mounting rail

•

Appropriately rated voltmeter and DC current clamp

•

Stäubli MC4-Evo 2 crimping pliers with the appropriate crimp range

•

Stäubli sealing caps for MC4-Evo 2 connectors. Stäubli p/n: 32.0716 and 32.0717

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Содержание V600-32-24

Страница 1: ...Ampt String Optimizer V600 32 32 V600 32 30 V600 32 28 V600 32 25 V600 32 24 Installation Manual 57070021 1 A 2021 Ampt LLC ...

Страница 2: ...Copyright 2021 Ampt LLC All rights reserved 2 String Optimizer V600 32 Platform Installation Manual 57070021 1 A ...

Страница 3: ...ed use of Ampt trademarks is prohibited All other trademarks are the property of their respective owners U S and international patents apply to this product For details visit www ampt com patents Read This First To help avoid problems during the system installation familiarize yourself in advance with the installation process by reading this entire document before starting the installation Risk of...

Страница 4: ...ure the safe installation and operation of the optimizer please be sure you carefully read and follow all instructions and safety messages in this manual SAVE THESE INSTRUCTIONS Safety Message Types The following messaging is used to identify a hazard to equipment or personnel DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a haz...

Страница 5: ...ions for your region Failure to follow this manual will void warranty The Ampt product contains no user serviceable parts All repairs and maintenance should be handled in accordance with the instructions and terms contained in the product warranty Before installing or using the Ampt optimizer read all instructions and safety messages on the optimizer and in this manual Follow the safety precaution...

Страница 6: ...cases under some statutes and thus the above exclusion may not apply The following information is subject to change without notice even though every attempt has been made to make this document complete accurate and up to date Readers are cautioned however that Ampt reserves the right to make changes without notice and shall not be responsible for any damages including indirect incidental or conseq...

Страница 7: ...o NOT transport optimizers that are removed from original packaging If the original packaging is no longer available use a similar box to protect the connectors and heat sink fins Quick Reference and Best Practices NOTICE The last page of this manual has a quick reference sheet for making electrical connections as well as a list of best practices This information is meant to be used as a reference...

Страница 8: ......

Страница 9: ...13 Chapter 2 15 Understanding Electrical Configurations 15 PV Array Configurations 15 Ungrounded PV Arrays 15 Grounded PV Arrays positive or negative 15 Acceptable Input Configurations 16 Optimizer Input Requirements 16 Fuses 18 Understanding Maximum Output Current and Fuse Sizing 18 Input Fuses 18 Two in Portrait Wiring 19 DC coupled Storage 19 Chapter 3 20 Installing the String Optimizer 20 Gett...

Страница 10: ... Tools Needed 29 Steps 30 Appendix 31 Compliance 31 Model Numbering System 31 Markings 31 FCC Compliance 32 RSS GEN 32 Avis IC 33 RSS GEN 33 Specifications 34 32 A models V525 V600 34 30 A models V525 V600 35 28 A models V525 V600 36 25 A models V525 V600 37 24 A models V525 V600 38 Reference Electrical Connection Order 39 Handling and Storage Best Practices 40 Mounting Best Practices 40 Electrica...

Страница 11: ...allows the DC bus to operate at a higher fixed voltage so the converter only needs to buck when charging and boost when discharging This simplified operation reduces battery converter costs by up to 50 with less circuitry and a higher power density High DC AC Ampt s unique combination of output current limits and a higher DC bus voltage allows PV system designers to achieve optimal DC AC ratios up...

Страница 12: ... V600 32 Platform Installation Manual 57070021 1 A Dimensional Drawings The dimensions for the String Optimizer shown below are in millimeters and inches Figure 1 Dimensional drawings 100 3 94 220 8 66 208 8 19 50 8 2 420 16 54 466 18 35 101 6 4 101 6 4 108 4 4 27 ...

Страница 13: ...Bar Code Label The image below shows the bar code label with model and serial numbers Do NOT remove this label Removing any label from the optimizer voids warranty Figure 3 Bar code tag with the model and serial numbers Mounting holes 6 5 mm x 6 Input 2 connectors Input 1 connectors Output connectors Grounding stud 10 32 x 2 Bar code label Antenna for optional wireless communication ...

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Страница 15: ...E The inputs of the optimizer are not intended for connection to a battery or any other type of DC source except PV modules PV Array Configurations String Optimizers can be installed in ungrounded and resistively grounded PV systems Ungrounded PV Arrays Figure 4 Electrical connections for an ungrounded PV array Grounded PV Arrays positive or negative Figure 5 Electrical connections for a grounded ...

Страница 16: ...nput with the highest power should be connected to input 1 Figure 8 Strings with the highest power should be connected to Input 1 Optimizer Input Requirements Inputs 1 and 2 of the String Optimizer have the following requirements for the optimizer to operate at maximum power point MPP The input configurations of different optimizers within the same PV array can vary so long as they meet the define...

Страница 17: ...ed voltage at maximum power on each input Vmp hottest temperature must be at least half of the output voltage of the optimizer operational voltage of the DC bus Vmp hot in1 Vout 2 Vmp hot in2 Vout 2 5 The greatest calculated voltage at maximum power on each input Vmp coldest temperature calculation must be less than the output voltage of the optimizer operational voltage of the DC bus Vmp cold in1...

Страница 18: ...or for over sun conditions when calculating ampacity The 1 25 multiplier for continuous use is still required Optimizer Max Output Current A Minimum Standard Fuse Size A 20 25 24 30 25 32 28 35 30 40 32 40 For other system designs where the DC bus voltage can be less than the voltage on either optimizer input the potential maximum output current will either be the Maximum output current listed on ...

Страница 19: ... the datasheet for the PV modules Two in Portrait Wiring To maximize bi facial gains or to mitigate shading between fixed tilt racking or trackers keep all PV modules connected to a given optimizer input within the same row Figure 11 Keep all modules on a given optimizer input within the same row to maximize production DC coupled Storage When used in DC coupled storage applications the optimizer d...

Страница 20: ...allation of the Ampt String Optimizer Read the entire chapter before starting the procedures and then conduct each task in the order given Parts and Tools Needed The mounting hardware varies by the type of PV module mounting rail Appropriately rated voltmeter and DC current clamp Stäubli MC4 Evo 2 crimping pliers with the appropriate crimp range Stäubli sealing caps for MC4 Evo 2 connectors Stäubl...

Страница 21: ...ight from the optimizer to the Ampt CU is recommended o See the Ampt CU manual for more information When possible mount optimizer in a location protected from the elements Leave MC4 Evo 2 connector sealing caps in place until the optimizers are ready to be connected to the PV string Warning Caution and Notice Statements WARNING Read the warning statements below Installation and maintenance should ...

Страница 22: ...he optimizers by their connectors Do NOT transport optimizers that are removed from packaging If the original packaging is no longer available use a similar box to protect the connectors and heat sink fins Steps 1 Read all warning caution and notice statements for this section 2 Mount the String Optimizer following the Mounting Considerations section 3 Ground the String Optimizer according to your...

Страница 23: ...al Connections Understanding Connector Polarity Always use the polarity markings on the faceplate instead of any polarity markings on the connectors Figure 12 Output connector polarity Optimizer Front View Optimizer Top View Output Mating Connectors Top View Use the polarity markings on the faceplate to avoid damaging the device ...

Страница 24: ...the outputs of the Ampt equipment only to conductors with sufficient ampacity based on the maximum output fault current maximum optimizer output current for the chosen optimizer Over current protection devices and conductors shall be sized in accordance with the National Electrical Code ANSI NFPA 70 Canadian Electrical Code Part I or the applicable standards codes and regulations for your region O...

Страница 25: ...age Connection Disconnection Order Matters The following label on the optimizer faceplate serves as a field reference to ensure proper connection disconnection order to avoid damaging the device It is not meant to replace the instructions that follow Figure 13 Connection order label on the optimizer faceplate Connecting the Inputs 1 Read all warning caution and notice statements for this section 2...

Страница 26: ...being connected to Input 1 Figure 14 Check the polarity and gender for PV string 6 Connect the set of PV strings for Input 1 to the INPUT 1 connectors of the String Optimizer Ensure that the locking mechanisms on the connectors are fully engaged Figure 15 Connecting Input 1 7 Follow your safety procedures and protocols and use an appropriately rated multimeter to measure the voltage and verify the...

Страница 27: ...procedures and protocols to measure the output voltage of the String Optimizer It should be equal to the maximum value of the Output Voltage Range on the product label 1 5 If it is not replace the unit Figure 17 Verify proper installation 10 If you are connecting the output now then proceed to the next section Otherwise use MC4 Evo 2 Sealing Caps to protect the connectors until the output is conne...

Страница 28: ...OUTPUT connectors of the String Optimizer Figure 18 Connecting the output connectors 6 Ensure that the locking mechanisms on all connectors are fully engaged 7 Manage wires to prevent lateral strain on connectors and avoid movement of the connecting wires at all times Pay special attention when in line fuses are used and or when mounted on a tracker Figure 19 Verify that the connectors are fully e...

Страница 29: ... present on the output terminals when an input terminal is connected CAUTION Read the caution statements below The Ampt product contains no user serviceable parts All repairs and maintenance should be handled in accordance with the instructions and terms contained in the product warranty The surface of the optimizer may be hot NOTICE Read the notice statements below Failure to follow these instruc...

Страница 30: ...imizer circuit by using a current clamp to test each wire connected to Input 1 Input 2 and the output a If current is detected on any of these cables wait for zero irradiance and verify that there is zero current flowing through the optimizer circuit 4 If no current is detected then use the Stäubli unlocking tool for MC4 Evo 2 connectors to disconnect in the following order a Output b Input 2 c In...

Страница 31: ...numbers for Ampt String Optimizers are in the following format 31570030 xxxx 32A models ranging from 400 1550V 31570031 xxxx 30A models ranging from 400 1550V 31570032 xxxx 28A models ranging from 400 1550V 31570033 xxxx 25A models ranging from 400 1550V 31570034 xxxx 24A models ranging from 400 1550V 31570035 xxxx 20A models ranging from 400 1550V where xxxx equals voltage of the unit e g 0750 is...

Страница 32: ... may cause undesired operation IMPORTANT Changes or modifications not expressly approved by Ampt LLC could void the user s authority to operate the equipment Model TKKR FCC ID X3R TKKR IC 8399A TKKR RSS GEN This device contains license exempt transmitter s receiver s that comply with Innovation Science and Economic Development Canada s license exempt RSS s Operation is subject to the following two...

Страница 33: ...ORTANT Les changements ou modifications non expressément approuvés par Ampt LLC pourraient annuler l autorité de l utilisateur à utiliser l équipement Model TKKR FCC ID X3R TKKR IC 8399A TKKR RSS GEN L émetteur récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d Innovation Sciences et Développement économique Canada applicables aux appareils radio exempts de licence...

Страница 34: ...0 600 Output voltage at full power V 445 470 495 520 Output voltage at zero power V 525 550 575 600 Maximum output current A 32 32 32 32 Maximum continuous output power kWdc 14 0 14 8 15 6 16 4 Efficiency max CEC Euro 99 3 99 3 99 2 Mechanical Input output connector MC4 Evo 2 Dimensions 18 35 x 8 66 x 3 94 466 1 mm x 220 mm x 100 mm Weight 17 8 lbs 8 1 kg Ambient temperature operating range 40 F t...

Страница 35: ...tput voltage at full power V 450 475 500 525 Output voltage at zero power V 525 550 575 600 Maximum output current A 30 30 30 30 Maximum continuous output power kWdc 13 3 14 1 14 8 15 6 Efficiency max CEC Euro 99 3 99 3 99 2 Mechanical Input output connector MC4 Evo 2 Dimensions 18 35 x 8 66 x 3 94 466 1 mm x 220 mm x 100 mm Weight 17 8 lbs 8 1 kg Ambient temperature operating range 40 F to 122 F ...

Страница 36: ...0 600 Output voltage at full power V 455 480 505 530 Output voltage at zero power V 525 550 575 600 Maximum output current A 28 28 28 28 Maximum continuous output power kWdc 12 6 13 3 14 0 14 7 Efficiency max CEC Euro 99 3 99 3 99 2 Mechanical Input output connector MC4 Evo 2 Dimensions 18 35 x 8 66 x 3 94 466 1 mm x 220 mm x 100 mm Weight 17 8 lbs 8 1 kg Ambient temperature operating range 40 F t...

Страница 37: ...tput voltage at full power V 460 485 510 535 Output voltage at zero power V 525 550 575 600 Maximum output current A 25 25 25 25 Maximum continuous output power kWdc 11 4 12 0 12 7 13 3 Efficiency max CEC Euro 99 3 99 3 99 2 Mechanical Input output connector MC4 Evo 2 Dimensions 18 35 x 8 66 x 3 94 466 1 mm x 220 mm x 100 mm Weight 17 8 lbs 8 1 kg Ambient temperature operating range 40 F to 122 F ...

Страница 38: ...0 600 Output voltage at full power V 465 490 515 540 Output voltage at zero power V 525 550 575 600 Maximum output current A 24 24 24 24 Maximum continuous output power kWdc 11 0 11 6 12 2 12 8 Efficiency max CEC Euro 99 3 99 3 99 2 Mechanical Input output connector MC4 Evo 2 Dimensions 18 35 x 8 66 x 3 94 466 1 mm x 220 mm x 100 mm Weight 17 8 lbs 8 1 kg Ambient temperature operating range 40 F t...

Страница 39: ...ad Ensure that there are no parallel connections to the string while series connections are being made Voltage may be present on the output terminals when an input terminal is connected Voltage builds as modules are connected in series Do not put lateral strain on the optimizer connectors at any time The cable management method must prevent strain on each connector and movement of the connecting w...

Страница 40: ...the optimizer to the Ampt Communication Unit CU is recommended See Ampt CU manual for more information Leave MC4 Evo 2 connector sealing caps in place until the optimizers are ready to be connected to the PV string Electrical Connections Best Practices Use only MC4 Evo 2 mating connectors or connectors manufactured by Stäubli that are recognized as being part of the MC connector family with the ap...

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