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Ampt String Optimizer

  

V600-12-12 
 
 
 
 

 

 

 

 

 

Installation Manual 

 
 
 
 
 
 
 

57070013-1 H 

©2021 Ampt LLC

 

Summary of Contents for 31570012-0425

Page 1: ...Ampt String Optimizer V600 12 12 Installation Manual 57070013 1 H 2021 Ampt LLC ...

Page 2: ...Copyright 2021 Ampt LLC All rights reserved 2 V600 12 String Optimizer Platform Installation Manual 57070013 1 H ...

Page 3: ... 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 e...

Page 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...

Page 5: ...s 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 of the instructions and safety messages on the optimizer and in this manual Follow the safety precau...

Page 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...

Page 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...

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Page 9: ... Configurations 15 PV Array Configurations 15 Ungrounded PV Arrays 15 Grounded PV Arrays positive or negative 15 Input Criteria 16 Acceptable Input Configurations 16 Acceptable Input Configurations Between Parallel Optimizers 17 Fuses 17 DC coupled Storage 17 Inter row Shading Wiring Example 18 Chapter 3 Installing the String Optimizer 19 Getting Started 19 Parts and Tools Needed 19 Mounting and G...

Page 10: ...endix 31 Compliance 31 Model Numbering System 31 Markings 31 FCC Compliance 32 RSS GEN 32 Avis IC 32 RSS GEN 32 Specifications 33 12 A models V425 V600 33 Reference Electrical Connection Order 35 Handling and Storage Best Practices 36 Mounting Best Practices 36 Electrical Connections Best Practices 36 Ampt Support Contacts 36 ...

Page 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...

Page 12: ...ing Optimizer Platform Installation Manual 57070013 1 H Dimensional Drawings The dimensions for the String Optimizer shown below are in millimeters and inches Figure 1 Dimensional drawings 80 3 15 37 5 1 48 220 8 66 215 8 46 259 10 19 75 2 95 75 2 95 208 8 19 ...

Page 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 Input A connectors Input B connectors Output connectors Grounding stud 10 32 x 2 Bar code label Mounting holes 6 5 mm x 6 Antenna for optional wireless communication ...

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Page 15: ...per operation of the String Optimizer NOTICE 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 Figu...

Page 16: ...Voc cold inB 585 V 2 The current for each input must be less than the maximum input current 11 5 A a Imp STC inA 11 5 A and Imp STC inB 11 5 A If the voltage or power between the two inputs is not the same then follow the additional criteria below 3 The voltage on Input A should be less than or equal to the voltage on Input B a Voc cold inA Voc cold inB 4 The difference in power between the two in...

Page 17: ...g as they follow the acceptable input configuration criteria and Ampt s design guidelines Fuses CAUTION 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 The output current limit of the Ampt String Optimizer eliminates the need f...

Page 18: ... H Inter row Shading Wiring Example When inter row shading is expected the best practice is to wire the modules on the two inputs of the Ampt String Optimizer to be on the same row as shown below Figure 8 Wiring example when inter row shading is expected Ampt String Optimizer not to scale to combiner to combiner ...

Page 19: ...ing 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 and tools vary by the type of PV module mounting rail Voltmeter rated for the PV system s maximum system voltage with DC current clamp Amphenol Sealing Caps H4 or UTX H4 Sealing Cap for female H4PF UTX Sealing Cap for female UTXF H4 Sealing...

Page 20: ...of sight 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 connector sealing caps in place until the optimizers are ready to be connected to the PV string WARNING Read the warning statements below Installation and maintenance should be performed only by qualified persons Insta...

Page 21: ...port 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 local codes Use one of the two grounding stud...

Page 22: ...Always use the polarity markings on the faceplate instead of the polarity markings on the connectors Figure 10 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 Ignore polarity markings on the bulkhead connectors on the output ...

Page 23: ...on statements below To reduce the risk of fire connect 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 appli...

Page 24: ... VOLTAGE or DANGER XXX V where XXX is replaced by the rated voltage Connection Disconnection Order Matters Follow the proper connection disconnection order in the instructions to avoid damaging the device Connecting the Inputs 1 Read all warning caution and notice statements for this section 2 Make sure that the unit is properly mounted and grounded 3 Make sure the strings of PV modules that will ...

Page 25: ...g mechanisms on the connectors are fully engaged Figure 12 Connecting Input B 7 Follow your procedures and safety protocols to measure the voltage and verify the polarity for the string of modules being connected to Input A See Figure 11 8 Connect the series of modules for Input A to the String Optimizer Ensure that the locking mechanisms on the connectors are fully engaged Figure 13 Connecting In...

Page 26: ...t should be equal to the maximum value of the Output Voltage Range on the product label 10 volts If it is not replace the unit Figure 14 Verify proper installation 10 If you are connecting the output now then proceed to the next section Otherwise use Amphenol Sealing Caps to protect the connectors until the output is connected Optimizer output from PV string from PV string Output Voltage Range on ...

Page 27: ...nect the appropriate cables to the output of the String Optimizer Figure 15 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 16 Verify that th...

Page 28: ...ions under load Voltage may be present on the output terminals when an input terminal is connected CAUTION Read that 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 ...

Page 29: ...zer circuit by using a current clamp to test each wire connected to Input A Input B 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 Amphenol H4 connector unlocking tool to disconnect connectors in the following order a Output b Input A c Input...

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Page 31: ...3 1 H Appendix Compliance The box is not meant to be user serviced or opened in any way Model Numbering System The model numbers for Ampt String Optimizers are in the following format 31570012 xxxx 12A models ranging from 200 600V where xxxx equals voltage of the unit e g 0425 is a V425 0600 is V600 Markings ...

Page 32: ...ference including interference that may cause undesired operation of the device Avis IC Cet appareil est conforme à la partie 15 des règles de la FCC Son fonctionnement est soumis aux deux conditions suivantes 1 Ce dispositif ne peut causer des interférences nuisibles et 2 cet appareil doit accepter toute interférence reçue y compris les interférences qui peuvent provoquer un fonctionnement indési...

Page 33: ...put current A 12 12 12 Maximum continuous output power kWdc 4 7 6 3 6 8 Efficiency max CEC Euro 99 4 99 1 99 0 Mechanical Input output connector Amphenol H4 Dimensions 10 19 x 8 66 x 3 15 259 mm x 220 mm x 80 mm Weight 7 4 lbs 3 4 kg Ambient temperature operating range 40 F to 122 F 40 C to 50 C Cooling Convection Environmental Environmental category Outdoor Pollution degree 2 Maximum operating al...

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Page 35: ... break connections under load 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 m...

Page 36: ...ation keep the antenna located on the opposite side of the connectors clear from obstructions Line of sight from the optimizer to the Ampt Communication Unit CU is recommended See Ampt CU manual for more information Leave connector sealing caps in place until the optimizers are ready to be connected to the PV string Electrical Connections Best Practices Use only Amphenol mating connectors on input...

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Page 38: ...Copyright 2021 Ampt LLC All rights reserved 38 V600 12 String Optimizer Platform Installation Manual 57070013 1 H ...

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