
11
Quick installation guide for RPI H3 inverters EU EN 5013227802 02 2016-01-05
AC cable requirements
Use properly sized wires (see table)
AC plug
Wieland RST25i3S S1AZR2V
BG03 (96. 032.4154.3)
Current rating
≤ 25 A
Min. / max. cable diameter
10 ... 14 mm
Min. / Max. wire diameter
0.75 ... 4 mm
2
Recommended torque for termi-
nal screws
0.8 ... 1.0 Nm
Read and follow the instructions delivered with the AC plug.
The AC plug delivered with the inverter can be used with lexible
or rigid copper cable.
When calculating the cross section of the cable, consider:
●
material used
●
thermal conditions
●
cable length
●
type of installation
●
AC voltage drop
●
power losses in cable
Always follow the system installation requirements deined for
your country!
Grounding the inverter
The inverter must be grounded via the AC connector’s PE con-
ductor. To do this, connect the PE conductor to the designated
terminal of the AC plug.
WARNING
Dual Supply
Do not work on this equipment until it is isolated from
both mains and on site generation supplies
Isolate on-site Generating Unit(s) at ………………………………………………….
Isolate mains supply at………………………………………………………
Warning – Only persons authorised by the DNO may remove the main cut out fuse
Markings on the inverter
In some countries, the following labels have to be applied on the
front of each micro inverter. Please check applicable national and
local standards and regulations.
Warning
Two sources of voltage present
- distribution network
- photovoltaic panels
Isolate both sources before
carrying out any work