Connecting Cables - Huawei SUN2000 Series Quick Manual

2. Install the solar inverter onto the
mounting bracket.
Secure the screws on the sides before connecting cables.
4

Connecting Cables

4.1
Preparations
• Connect cables in accordance with local installation laws and regulations.
• The cable specifications must comply with local standards.
• Before connecting cables, ensure that the DC switch of the solar inverter and all the switches
connected to it are set to OFF. Otherwise, the high voltage produced by the solar inverter
may cause electric shocks.
No. Cable
1 PE cable
AC output power
2
cable
DC input power
3
cable
(Optional) RS485
4 communications
cable
Note a: Five-core cables with a cross-sectional area of 5 x 35 mm
supported.
Type
Single-core outdoor copper-
core cable
Outdoor copper-
core/aluminum-core cable
Common outdoor PV cable in
the industry (recommended
model: PV1-F)
Two-core outdoor shielded
twisted pair (recommended
model: DJYP2VP2-2x2x0.75)
3. Tighten the security Torx screws on both
sides.
Specifications
Conductor cross-sectional area ≥ 16 mm
•
Conductor cross-sectional area: 16-50
2
mm outdoor copper-core cable or 35-
2
50 mm outdoor aluminum-core cable
•
Cable outer diameter: 16–38 mm
•
Conductor cross-sectional area: 4–6
2
mm
• Cable outer diameter: 5.5–9 mm
• Conductor cross-sectional area: 0.2–1
2
mm
•
Cable outer diameter: 4–11 mm
2
or 5 x 50 mm
4
2
a
2
are not