6
If outdoor copper-core cables are used, select copper wiring terminals. For details about the
requirements for cables and terminals of other materials, see the user manual.
4
Installing Cables
Installation Preparations
4.1
No.
Item
Type
Specifications
Description
1
PE cable
Single-core
outdoor copper
cable
Conductor cross-
sectional area ≥ S/2
[1]
(S
is the conductor cross-
sectional area of the AC
output power cable.)
•
If you choose the
ground point on the
chassis shell for
connecting a PE
cable, prepare the PE
cable.
•
If you choose the
ground point in the
maintenance
compartment for
connecting a PE
cable, use a four-core
AC output power
cable and do not
have to prepare a PE
cable.
2
AC output
power
cable
[2][3]
Outdoor copper
cable
•
Conductor cross-
sectional area: 50–
240 mm
2
•
Cable outer diameter:
24–66 mm (multi-
core); 14–32 mm
(single-core)
If you choose the ground
point in the maintenance
compartment for
connecting a PE cable,
use a four-core cable.
Otherwise, use a three-
core cable or three
single-core cables.
Outdoor
aluminum-core
cable
•
Conductor cross-
sectional area: 70–
240 mm
2
(multi-
core); 70–240 mm
2
(single-core)
•
Cable outer diameter:
24–66 mm (multi-
core); 14–32 mm
(single-core)
3
DC input
power cable
PV cable that
meets the 1500 V
standard
•
Conductor cross-
sectional area: 4–6
mm
2
•
Cable outer diameter:
4.7–6.4 mm
-
