8
Quick installation guide for RPI M15A M20A inverters
Connecting to the grid (AC)
7
DC SWITCH
O FF
O N
AC connector
Earthing System
TN-S
TN-C
TN-C-S TT
IT
Permitted
Yes
Yes
Yes
Yes
No
Permitted earthing systems
3P3W
3P4W
L1-L2
400 V
AC
± 20%
L1-N
230 V
AC
± 20%
L1-L3
400 V
AC
± 20%
L2-N
230 V
AC
± 20%
L2-L3
400 V
AC
± 20%
L3-N
230 V
AC
± 20%
AC grid voltage requirements
TT is not recommended The voltage of N has to
be very close to PE (difference < 20 V
rms
)
Use wire end sleeves (bootlace pins) on each wire.
Use wire end sleeves (bootlace pins) on each wire.
DANGER
Risk of death or serious injury from electrocution
► Set the
DC disconnection switch
to position
OFF
before
connecting or disconnecting the AC plug
► For a description how to set the AC connection type on the
display, see
“Setting the AC connection type”, p 20
The AC Plug Amphenol C16-3 is included in
the delivery box
L 1
L 2
PE
N
L 3
1 = L 1
2 = L 2
4 = N
3 = L 3
= PE
Wiring AC plug for 5-wire systems
L 1
L 2
PE
L 3
1 = L 1
2 = L 2
3 = L 3
= PE
Wiring AC plug for 4-wire systems
Wiring for 3P4W grid systems: 3 phases with 4 wires (L1, L2, L3, N) + PE
Wiring for 3P3W grid systems: 3 phases with 3 wires (L1, L2, L3) + PE
Use wire end sleeves (bootlace pins) on each wire.
Use wire end sleeves (bootlace pins) on each wire.