Section 5: Mounting And Connecting; Installation Guidelines; Attachment And Grounding; Installing To Metallic Or Grounded Structures - Generac Power Systems PV Link Installation Manual

Section 5: Mounting and Connecting

Installation Guidelines

WARNING
Hot Surfaces. Locate and install the Generac PV Link
so as to avoid inadvertant contact. When operating in hot
weather the optimizer will become hot and could result in
personal injury.
• Install PV Links close to the edge of the array for
best cooling and easier service access.
•
Calculate maximum substring length using the
Installation Design
manual.
• The modules within each substring must be the
same type, and all should be mounted at the same
pitch and orientation.
• When installing a system with multiple PV Links, it
is not necessary to match the number of modules,
roof pitch, or orientation across all substrings in an
array.
•
Ensure at least a 1 in (25.4 mm) clearance
between the heatsink fins and adjacent surfaces to
allow sufficient air flow for cooling.
• The PV Link can be installed in any orientation.
Cooling is most effective if fins are oriented verti-
cally.
• Mount the optimizer at least 3 ft (0.9 m) from the
ground.
• Ensure the PVRSE enclosure is a minimum ½ in
(12.7 mm) from the PV module substrate.
•
Review the PV module instructions to determine if
any restrictions for mounting devices under the
module exist as part of the PV module listing.

Attachment and Grounding

CAUTION
Equipment damage. Never leave the PV Link MC4 connectors
open and exposed to the atmosphere overnight or during
rain. Unwired connectors should remain plugged together as
originally packaged. Failure to do so could cause equipment
damage.
NOTE: Proper grounding is necessary for REbus com-
munication.

Installing to Metallic or Grounded Structures

See Figure 5-1. Install the PV Link with label (A) facing
up. Attachment flange slots (B) accept fasteners up to M8
or 5/16" in diameter.
Owner's Manual for PV Link
(000670)
worksheet in Section 3 of this
(000657)
Installing to Nonmetallic or Ungrounded
Structures
• Use two fasteners appropriate for the structure.
•
See Figure 5-1. Fasten to grounding terminal (C)
the equipment grounding conductor using a lug
(such as, 6-14 AWG Copper Set Screw Lug,
McMaster P/N: 6923K31) or equivalent.
• Use listed bonding hardware only.
• Size equipment grounding conductor per NEC
requirements and torque per manufacturer specifi-
cations.
ENCLOSURE MUST BE GROUNDED
for REbus communication
A
PV Link / S2502
SnapRS™ compatible substring optimizer
PV rapid shutdown system equiptment
IMPORTANT INSTALLATION INSTRUCTIONS:
≤ 420Voc
≤ 420Voc
WARNING:
ELECTRIC SHOCK HAZARD - THE DC CONDUCTORS OF THIS PHOTOVOLTAIC SYSTEM ARE UNGROUNDED AND MAY BE ENERGIZED. ELECTRIC SHOCK HAZARD - DC OUTPUT CONDUCTORS MAY BE ENERGIZED REGARDLESS OF SUN EXPOSURE.
CAUTION:
RISK OF ELECTRIC SHOCK - WHEN THE PHOTOVOLTAIC ARRAY IS EXPOSED TO LIGHT, IT SUPPLIES A DC VOLTAGE TO EQUIPMENT. COVER PV MODULE IN OPAQUE MATERIAL BEFORE CONNECTING OR DISCONNECTING THIS OPTIMIZER. DURING FAULT, ZERO CURRENT IS
SOURCED INTO DC ARRAY BY THIS CONVERTER. INSTALL IN ACCORDANCE WITH ALL LOCAL ORDINANCES. HOT SURFACE - TO REDUCE THE RISK OF BURNS-DO NOT TOUCH. RAPID SHUTDOWN: DEVICE AUTOMATICALLY DISCONNECTS PV ARRAY - LOSS OF GRID, MANUAL SHUTDOWN FROM
CONTROLLER, OR ANY FAULT ON REBUS™ DC NANOGRID WILL AUTOMATICALLY DISCONNECT ARRAY FROM GRID.
AVERTISSEMENT:
RISQUE DE CHOC ÉLECTRIQUE - LES CONDUCTEURS DC DE CE SYSTÈME PHOTOVOLTAÏQUE NE SONT PAS RELIÉS À LA TERRE ET POURRAIENT ÉTRE SOUS TENSION. RISQUE DE CHOC ÉLECTRIQUE - LES CONDUCTEURS À SORTIE DC POURRAIENT ÊTRE SOUS
TENSION INDÉPENDAMMENT DE LEURS EXPOSITIONS AU SOLEIL.
ATTENTION:
RISQUE DE CHOC ÉLECTRIQUE - LORSQUE LE GÉNÉRATEUR PHOTOVOLTAÏQUE EST EXPOSÉ À LA LUMIÈRE, IL FOURNIT UNE TENSION CONTINUE À L' A PPAREIL. COUVREZ LE MODULE PHOTOVOLTAÏQUE D'UN MATÉRIAU OPAQUE AVANT DE BRANCHER OU DE
DÉBRANCHER CET OPTIMISEUR. EN CAS DE DÉFAUT, IL N'EXISTE AUCUN COURANT ENTRE CE CONVERTISSEUR ET LE GÉNÉRATEUR CONTINU. INSTALLEZ EN CONCORDANCE AVEC TOUS LES RÈGLEMENTS LOCAUX. SURFACE CHAUDE - AFIN DE REDUIRE LE RISQUE DE BRÛLURES, NE TOUCHEZ
PAS. SYSTÈME D' A RRÊT RAPIDE: L' A PPAREIL SE DECONNECTE AUTOMATIQUEMENT DU GÉNÉRATEUR PHOTOVOLTAÏQUE - EN CAS DE PERTE DE RÉSEAU, D' A RRÊT MANUEL DE COMMANDE ÉLECTRIQUE, OU DE DEFAILLANCE DU SYSTEME "REBUS™ DC NANOGRID, " LE GÉNÉRATEUR SE
Figure 5-1. Grounding Terminal Location

Installing to a Grounded Rail

• See Figure 5-1. Use two rail-compatible fasteners (D)
to secure the PV Link to the grounded rail.
• Use a WEEB clip (Wiley P/N: 30020098) or equiva-
lent grounding washer (E) between the rail and
attachment flange to penetrate the rail's anodized
coating.
• Torque fasteners to 10 N-m for M6 and 25 N-m for
M8, or according to the clip manufacturer's instruc-
tions.
D
E
Figure 5-2. Attaching to a Grounded Metal Rail
Mounting and Connecting
B
C
ENCLOSURE MUST BE GROUNDED
for REbus communication
Made in the USA
Conforms to UL1741, UL1699B
Certified to CSA C22.2 #107.1
Input: MAX CONT. OUTPUT POWER 2500 W
STANDBY POWER <1 W
Max 420V temperature corrected V . RATED POWER INPUT VOLTAGE 200-360 VDC
oc
MPPT INPUT VOLTAGE 60-360 VDC
SINGLE STRING INPUT. MAX INPUT VOLTAGE 420 V
MAX OUTPUT VOLTAGE 420 V
Dual string input requires approval. OUTPUT REbus™ DC Nanogrid
MAX AMBIENT TEMP 70° C
MAX OUTPUT OVERCURRENT PROTECTION 30 A
MAX INPUT CURRENT (OPERATING) 13 A @ 50ºC, 10 A @ 70ºC
Output:
MAX INPUT CURRENT (SHORT CIRCUIT) 18 A
MAX OUTPUT CURRENT (CONTINUOUS) 8 A
Connect PV Links to inverter REbus
MAX OUTPUT CURRENT (FAULT) 10 A
ENCLOSURE TYPE 3R
terminals in parallel. TOPOLOGY BOOST CONVERTER
PROTECTIONS GFCI, Photovoltaic DC Arc-Fault
Circuit-Protection, Type 1,
010026
010025
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