® within a photovoltaic (PV) installation. The result? Energy realized All Ampt trademarks are the property of Ampt LLC. All trademarks are recognized even if they are not marked separately. Visit www.ampt.com/trademarks for a list of Ampt trademarks. Any unauthorized use of Ampt trademarks is prohibited. All other trademarks are the property of their respective owners.
Important Safety Instructions This manual contains important instructions for Ampt optimizers that shall be followed during installation and maintenance. The optimizer has been designed and tested according to international safety requirements, but requires certain precautions are observed when installing and/or operating the optimizer. To reduce the risk of personal injury and to ensure the safe installation and operation of the optimizer, please be sure you carefully read and follow all instructions and safety messages in this manual.
Before installing or using the Ampt optimizer, read all instructions and safety messages on the optimizer and in this manual. Follow the safety precautions for this product as well as the other components in the PV system.
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 consequential damages, caused by reliance on the material presented, including, but not limited to, omissions, typographical errors, arithmetical errors or listing errors in the content material.
Using Optional Wireless Communication NOTICE If the String Optimizers are being used with optional wireless communication, then refer to the Ampt Communication Unit (Ampt CU) manual for important requirements related to the String Optimizer installation. Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
Mounting Considerations ........................... 21 Warning, Caution, and Notice Statements ......................21 Steps ................................... 22 Making Electrical Connections ...................... 23 Understanding Connector Polarity........................23 Warnings and Cautions ............................24 Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved. Installation Manual: 57070021-1 A...
Page 10
Reference: Electrical Connection Order ..................39 Handling and Storage Best Practices ........................40 Mounting Best Practices ............................ 40 Electrical Connections Best Practices ......................... 40 Ampt Support Contacts ............................40 Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
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 to 3:1). With Ampt, system owners can expand the DC power on existing systems without replacing inverters, combiners, or cables;...
Dimensional Drawings The dimensions for the String Optimizer shown below are in millimeters and inches. 8.66” 8.19” Figure 1: Dimensional drawings Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved. Installation Manual: 57070021-1 A...
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. Bar code label Figure 3: Bar code tag with the model and serial numbers Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved. Installation Manual: 57070021-1 A...
Figure 4: Electrical connections for an ungrounded PV array Grounded PV Arrays (positive or negative) Input configurations vary by system design Figure 5: Electrical connections for a grounded PV array Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved. Installation Manual: 57070021-1 A...
(MPP). The input configurations of different optimizers within the same PV array can vary so long as they meet the defined criteria. Figure 9:String Optimizer faceplate referencing Input 1, Input 2, and Output connectors Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
Page 17
≤ P * Vout = voltage at the output of the optimizer, which includes the voltage set by the inverter (or battery converter) plus line losses Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved. Installation Manual: 57070021-1 A...
Maximum output current listed on the optimizer’s datasheet. This design allows the output current limit of the Ampt String Optimizer to eliminate the need for the 1.25 multiplication factor for over-sun conditions when calculating ampacity. The 1.25 multiplier for continuous use is still required.
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 does not function as a blocking diode. Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved. 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 •...
All electrical installations must be done in accordance with the local and National Electrical Code ANSI/NFPA 70; Canadian Electrical Code, Part I; or the applicable standards, codes, and regulations for your region. The Ampt optimizer is to be installed so that it is not expected to be contacted by persons. CAUTION Keep connectors dry and clean.
Optimizer coating is 4 mil (0.1 mm) 4. Verify that the optimizer is adequately grounded using continuity tester. Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
Use the polarity markings on the faceplate to avoid damaging the device. Optimizer Top View Output Mating Connectors Top View Figure 12: Output connector polarity Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved. Installation Manual: 57070021-1 A...
CAUTION Read the caution 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);...
Connect the PV modules in series for each string. ii. Use an appropriately rated multimeter to verify the voltage and polarity of each PV string before connecting in parallel. Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
Page 26
7. Follow your safety procedures and protocols and use an appropriately rated multimeter to measure the voltage and verify the polarity for the string(s) of modules being connected to Input 2. See Figure 14. Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
Page 27
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 connected. Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
Figure 19: Verify that the connectors are fully engaged and manage cables to prevent tension on the connectors Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
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.
5. If the PV cables will not be immediately reconnected, use Stäubli sealing caps for MC4-Evo 2 connectors on the optimizer connectors to protect the unit from water and debris ingress. Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
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: • 31570030-xxxx (32A models, ranging from 400 – 1550V) • 31570031-xxxx (30A models, ranging from 400 – 1550V) •...
(1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. IMPORTANT! Changes or modifications not expressly approved by Ampt LLC could void the user’s authority to operate the equipment.
(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 indésirable. IMPORTANT! Les changements ou modifications non expressément approuvés par Ampt LLC pourraient annuler l'autorité de l'utilisateur à utiliser l'équipement. Model: TKKR...
ETL to UL 1741; Compliance IEC 61000-6-1, 61000-6-3, 62109; CE; Giteki 2-1-19; FCC Part 15, class A Follow Ampt design guidelines to identify possible derating at high ambient temperatures or altitudes. Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
ETL to UL 1741; Compliance IEC 61000-6-1, 61000-6-3, 62109; CE; Giteki 2-1-19; FCC Part 15, class A Follow Ampt design guidelines to identify possible derating at high ambient temperatures or altitudes. Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
ETL to UL 1741; Compliance IEC 61000-6-1, 61000-6-3, 62109; CE; Giteki 2-1-19; FCC Part 15, class A Follow Ampt design guidelines to identify possible derating at high ambient temperatures or altitudes. Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
ETL to UL 1741; Compliance IEC 61000-6-1, 61000-6-3, 62109; CE; Giteki 2-1-19; FCC Part 15, class A Follow Ampt design guidelines to identify possible derating at high ambient temperatures or altitudes. Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
ETL to UL 1741; Compliance IEC 61000-6-1, 61000-6-3, 62109; CE; Giteki 2-1-19; FCC Part 15, class A Follow Ampt design guidelines to identify possible derating at high ambient temperatures or altitudes. Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
Note: Disconnect in reverse order (Output, Input 2, Input 1) using the Stäubli unlocking tool for MC4-Evo 2 connectors. Stäubli p/n: 32.6066 or 32.6058 Copyright 2021 Ampt LLC. String Optimizer V600-32 Platform All rights reserved.
• If using wireless communication, 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.
Need help?
Do you have a question about the V600-32-32 and is the answer not in the manual?
Questions and answers