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7.1
Installing the monitoring unit
9 One or more StecaGrid 300/500 inverters are mounted on
DIN rails; see the inverter instructions.
9 Space for a monitoring unit exists on the DIN rails to the
right of the inverters.
–
+
/
Fig. 1:
Installing the monitoring unit
Danger
Risk of death by electrocution!
Always observe the safety measures described
•
in Mounting method when working on the solar
system.
Do not touch bare cable ends.
•
1. Insert the AC connection and data connection on
the right side of the rightmost inverter. (Connection is
supplied with the StecaGrid 300/500 inverters.)
2. Fasten the monitoring unit to the DIN rails as follows:
a. Slide the monitoring unit fastening clip (at the lower
rear) downwards, as shown in the adjacent figure.
1
40
2
StecaGrid 300/500
DC voltage inputs (solar
module connections)
AC voltage output
AC connection
DIN rail
AC voltage output for
grid feeding
StecaGrid Control I1
monitoring unit
Data connection
LED
Self Test button
Main switch
738.977 | 1149
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