Installation Of The Inverters - Steca Grid 500 Installationsanleitung

ENGLISH
3.3

Installation of the inverters

WARNING
Risk of death by electrocution!
The unit may only be connected to the grid by qualified

personnel in accordance with the regulations of the local
power supply company.
When working on the solar system, disconnect the inverter

or monitoring unit from the power supply.
Make sure that the power supply cannot be unintentionally

switched on.
Do not interrupt the DC connection between the solar

modules and from the solar modules to the inverter while
current is flowing. If the DC connection has to be inter-
rupted, always disconnect the inverter from the grid first.
Lay the cable such that the connection cannot come loose

accidentally.
Press the Tyco or MC connection together until they audibly

snap into place.
By coupling several inverters, the required system size can
be realized. The limiting factor is the maximum grid current
of 16 A. This way, for the StecaGrid 300 a maximum of 1
inverters and for the StecaGrid 500 a maximum of 7 inverters
can be interconnected for AC supply and data communica-
tion. Also StecaGrid 300 and StecaGrid 500 can be combined
among each other. This allows a power output (AC!) of
between 300 W to 3600 W to be generated. A control unit
can be connected to the inverter battery to provide extra
safety and monitoring features. (See Chapter 4: ‚StecaGrid
Control N and StecaGrid Control D' resp. D1).
CAUTION
Damage to the inverter!
Do not install the inverter and the monitoring unit

• outdoors
• in humid rooms
• in rooms which are too hot
• in dusty rooms
• in rooms where highly flammable gas mixtures can occur
Keep the cables of the solar modules as short as possible.

Do not block the air flow which cools the inverter.

Keep 0 cm distance below and above the inverter.

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