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MICROINVERTER M500-S

Installation Manual

Venetronic is the electronics division of VeNetWork spa, a company founded by a 
group of 42 business owners from across Italy’s Veneto region. The Company is 
headquartered in the Veneto and has operations in 85 countries across the globe. 
The mission of VeNetWork is to promote business culture via the funding and 
development of new manufacturing companies and service providers that will 
generate economic, professional and cultural value for the area.
www.venetronic.it - [email protected]

LEAF SpA

Via Forgaria, 7 - Z.I. Ponterosso
33078 San Vito al Tagliamento (PN) Italy
Tel. +39 0434 1855250
www.leaf-eng.com - [email protected]

Summary of Contents for M500-S

Page 1: ...MICROINVERTER M500 S Installation Manual...

Page 2: ...November 2014 Copyright LEAF SpA...

Page 3: ...ting the AC BUS 4 2 1 Connection without WIELAND distribution units 4 2 2 Connection with WIELAND distribution unit 4 3 Connecting to the PV panels 4 4 Connecting the AC distribution network Grid 9 9...

Page 4: ...t may affect the proper functioning of the device HOT SURFACE It indicates operations that may cause burns and serious damage in case of contact with hot surfaces NOTE It is used to highlight particul...

Page 5: ...nd connection of the metal housing when required by the rules of installation of the photovoltaic system must be carried out through the appropriate threaded socket marked with the grounding symbol an...

Page 6: ...the microinverter may cause a voltage drop of a value such as to impair the connection to the distribution network to ensure the efficient operation of the system the voltage drop in the AC wiring ha...

Page 7: ...l inform the client about the best suited configuration based on the system architecture and clients needs Each microinverter is an independent production unit safe and efficient it can then be instal...

Page 8: ...nected to the distribution network through the protective equipment defined by local regulations WARNING If exposed to sunlight the solar modules will always exhibit DC voltage at their electrical ter...

Page 9: ...sequence of operations Connecting the AC bus of the PV system at all the LEAF M500 S microinverters Connecting all the LEAF M500 S microinverters to their respective panel or to the pair of solar pane...

Page 10: ...n cables up to 3 AC lines from microinverters and up to 2 cables for connecting to the distribution network As depicted in fig 4 3 and 4 4 several arrangements are possible when more distributors are...

Page 11: ...ed in series as shown in figure 4 5 Plug the DC connectors until the latch The DC connectors between the photovoltaic module and the LEAF Microinverter M500 S must not be opened during operation of th...

Page 12: ...rk through the protective equipment defined by local regulations All the parts of the plant must be kept dry before and during installation and connection 5 REMOVING A LEAF MICROINVERTER M500 S Isolat...

Page 13: ...re grounding Grounding is ensured by the dedicated conductor on the AC side its connection should be performed based on natio nal laws for grounding wires The use of the ground connection of the metal...

Page 14: ...IN 1 INSTALLATION MAP CLIENT DATA INSTALLER DATA ORIENTATION Insert geographical orientation and roof slope Company 4 3 Roof section N ___ A Te In 2 5 14 Address City Company Address City...

Page 15: ...nge 48 3 48 3 nominal power Low Voltage Fault Ride Through LVFRT Yes Max Output Fault Current 5 6 A Internal Input Transient Overvoltage Protection Yes Max Units per Branch Circuit 9 15 for 20 32A bre...

Page 16: ...ntries across the globe The mission of VeNetWork is to promote business culture via the funding and development of new manufacturing companies and service providers that will generate economic profess...

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