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Installation Manual
Generac PV Link™ and SnapRS™
Loss of life. This product is not intended to
be used in a critical life support application.
Failure to adhere to this warning could result
in death or serious injury.
Register your Generac product at:
https://pwrfleet.generac.com
http://www.generac.com/service-support/product-support-lookup
006087
WARNING
1-888-GENERAC
(888-436-3722)
010023
(000209b)
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Table of Contents
Summary of Contents for Generac Power Systems PV Link 010023
- Page 1 Installation Manual Generac PV Link™ and SnapRS™ 010023 006087 WARNING Loss of life. This product is not intended to be used in a critical life support application. Failure to adhere to this warning could result in death or serious injury. (000209b) Register your Generac product at: https://pwrfleet.generac.com...
- Page 2 Use this page to record important information about your Generac Product Record PV Link™ and SnapRS™ information Operation Maintenance: Proper maintenance and care of the energy storage ® for your PWRcell system on this page. system ensures a minimum number of When contacting Generac...
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Page 3: Table Of Contents
Table of Contents Section 1 Introduction and Safety 1 Section 5 Mounting and Connecting ........13 Introduction ........1 Safety Rules ........1 Installation Guidelines ....13 General Hazards ......2 Attachment and Grounding ....13 PVRSE Warning ......2 Connecting to Inverter ....14 Electrical Hazards ...... - Page 4 This page intentionally left blank.
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Page 5: Section 1 Introduction And Safety
Section 1 Introduction and Safety Introduction Thank you for purchasing a Generac PWR- ® cell product. DANGER This manual provides instructions for installing Indicates a hazardous situation which, if not avoided, PV Link and SnapsRS devices. Consult the will result in death or serious injury. installation and operation manuals for other Generac PWRcell system components, as (000001) -
Page 6: General Hazards
General Hazards • Connecting Generac PWRcell to the elec- DANGER tric utility grid must only be done after receiving prior approval from the utility Automatic start-up. Disconnect utility power and company. render unit inoperable before working on unit. • Only competent, qualified personnel should Failure to do so will result in death or serious injury. -
Page 7: Electrical Hazards
Electrical Hazards DANGER Electrocution. Water contact with a power source, if not avoided, will result in death or serious injury. (000104) DANGER Electrocution. In the event of electrical accident, immediately shut power OFF. Use non-conductive implements to free victim from live conductor. Apply first aid and get medical help. - Page 8 This page intentionally left blank. Installation Manual for PV Link and SnapRS...
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Page 9: Section 2 General Information
Section 2 General Information PV Link Specifications Description Units S2502 Rated power 2,500 (continuous) Peak efficiency MPPT input voltage 60 – 360 Rated power input voltage 200 – 360 Maximum input voltage 420 (absolute maximum) Maximum input current (operating) 13 @ 122 (50) ºF (ºC) Maximum input current (short circuit) Maximum output current (fault) -
Page 10: Important Product Information
Important Product Information SnapRS Dimensions PV Link Serial Number Location Figure 2-1 . Serial number tag (A) includes a removable layer that can be peeled off leaving the underlying label in place. Adhere the removable layer to the inside cover of this manual and record the information from this tag in Table 1 : PV Link and SnapRS Important... -
Page 11: Afci Information
Component Locations PWRcell Inverter control panel. The PV Link meets the ground fault protection require- ments in NEC Article 690.41(B). PV Link Component Locations AFCI Information The PV Link is a Photovoltaic DC Arc Fault Circuit Protection Type 1 device that incorpo- rates an internal arc fault circuit interrupter (AFCI) and meets the arc fault circuit protec- tion requirement in NEC Article 690.11. - Page 12 This page intentionally left blank. Installation Manual for PV Link and SnapRS...
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Page 13: Section 3 Installation Design
Section 3 Installation Design Installation Design Worksheet Use this worksheet to determine the maximum PV Link Adjusted Voc Limit number of PV modules of a given type that Max Voc Result can be connected to a PV Link. 420 V NOTE: Fewer PV modules can be used as long as the minimum MPPT input voltage is 3. - Page 14 This page intentionally left blank. Installation Manual for PV Link and SnapRS...
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Page 15: Section 4 Pvrss Compliance Guidelines
Section 4 PVRSS Compliance Guidelines 2011 NEC and Older Editions 2017 and 2020 NEC 2011 NEC and older editions do not require The 2017 and 2020 NEC have PVRSS PVRSS compliance. requirements mandating the need to reduce voltages of controlled conductors to less than NOTE: The PV Link will still provide 2014 80 VDC within the array, and less than 30 NEC compliant PV Rapid Shutdown. - Page 16 This page intentionally left blank. Installation Manual for PV Link and SnapRS...
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Page 17: Section 5 Mounting And Connecting
Section 5 Mounting and Connecting Installation Guidelines • Use a grounding washer (E) between the rail and attachment flange to penetrate the rail’s anodized coating. WARNING • Torque fasteners according to the clip man- Hot surfaces. Locate and install the PV Link so as to avoid ufacturer’s instructions. -
Page 18: Connecting To Inverter
3. See Figure 5-3. Fasten the equipment the wire used, including appropriate NEC grounding conductor to grounding terminal derating factors. (C) using a field supplied lug. NOTE: The maximum number of PV Links NOTE: For PV Link model S2502, attachment that may be wired in parallel back to the flange slots (B) may be widened using tooling, inverter is three. - Page 19 5. Make a substring map using the serial To install SnapRS devices: number stickers and record in Table 1 : 1. See Figure 5-5. For each PV module in the PV Link and SnapRS Important Infor- PV string, connect the positive (+) end of the following information: mation one SnapRS device (C) to the negative (-)
- Page 20 011990 Figure 5-5. Single PV Substring with SnapRS Devices PWRcell Inverter PV Substring Input - Rebus Homerun PV Substring Input + Rebus Output - SnapRS Device REbus Output + PV Panel NOTE: See Figure 5-6. When two smaller series substrings are connected in parallel for high volt- age PV modules, each series substring must use the same number and type of PV modules, and there must be one SnapRS device for each module in the array.
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Page 21: Section 6 Operating Instructions
Section 6 Operating Instructions User Interface via Inverter Commissioning with SnapRS Devices for PVRSS PV Link Information and control features are available on the PWRcell Inverter control To enable PV Link to work as a PVRSS with panel when REbus is energized. See the Gen- SnapRS devices: erac PWRcell Inverter Owner’s Manual for 1. - Page 22 7. Complete steps 1 – 6 for each PV link in the system. PLM Channel: Vin Startup: 135.0V SnapRSInstalld: String Count: SnapRSDetected: Enable PVRSS: Override PVRSS: Cancel Commit 012924 Cancel Commit Figure 6-4. PVRSS Commissioning (2 of 3) 012943 6. See Figure 6-5.
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Page 23: Disabling Pv Link
Disabling PV Link PVRSS Self-Test After commissioning, you can verify proper NOTE: Disabling a PV Link does NOT power function and configuration of the PVRSS sys- down the PV array if SnapRS devices are not tem at any time by manually running the PV installed. - Page 24 This page intentionally left blank. Installation Manual for PV Link and SnapRS...
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Page 25: Section 7 Maintenance
Section 7 Maintenance Service CAUTION If the PV Link is not operating as expected, or if a PV Link error message appears on the Equipment damage. Never open the PV Link. The Generac PWRcell Inverter control panel LCD optimizer is factory-sealed and contains no field serviceable parts. - Page 26 This page intentionally left blank. Installation Manual for PV Link and SnapRS...
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Page 27: Section 8 Troubleshooting
Section 8 Troubleshooting CAUTION Equipment damage. Connect the PV Link output to a REbus-compatible device (± 190 VDC nominal regulated DC bus) only. Connecting to conventional PV inverters or any other device could cause equipment damage. (000659) Table 8-1. PV Link Troubleshooting Problem Cause Solution... - Page 28 SnapRS Health Check There are no functional tests that can be performed on SnapRS devices in the field. However, some simple digital multimeter (DMM) checks can confirm the general health of a SnapRS device. DMM Red to SnapRS +, DMM Black to SnapRS – Resistance reads ~ 300 kΩ...
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- Page 32 ©2021 Generac Power Systems, Inc. All rights reserved Specifications are subject to change without notice. No reproduction allowed in any form without prior Generac Power Systems, Inc. written consent from Generac Power Systems, Inc. S45 W29290 Hwy. 59 Waukesha, WI 53189 1-888-GENERAC (1-888-436-3722) www.generac.com...