4
•
Connect cables in accordance with the local installation laws and regulations.
•
Before connecting cables, ensure that the DC switch on the inverter and all the switches
connecting to the inverter are set to OFF. Otherwise, the high voltage of the inverter may
result in electric shocks.
Preparing for Installation
3.1
3
Electrical Connections
Prepare an anti-theft lock suitable for the lock hole diameter (Ф8 mm) and ensure that the lock
can be installed successfully. An outdoor waterproof lock is recommended.
3. Install the inverter on the mounting bracket.
4. (Optional) Install an anti-theft lock.
No. Item
Type
Specifications
1
PE cable
Single-core outdoor
copper cable
Conductor cross-sectional
area ≥ 4 mm
2
2
AC output power cable
Outdoor copper cable
•
Conductor cross-
sectional area: 4–6 mm
2
•
Cable outer diameter:
10–21 mm
3
DC input power cable and (optional)
battery cable
Standard outdoor PV
cable in the industry
(recommended model:
PV1-F)
•
Conductor cross-
sectional area: 4–6 mm
2
•
Cable outer diameter:
5.5–9 mm
4
(Optional) RS485 communications
cable (used to cascade inverters or
connect to the RS485 signal port on
the SmartLogger)
Two-core outdoor
shielded twisted pair
cable
•
Conductor cross-
sectional area: 0.2–1
mm
2
Note: When devices such
as the Smart Power
Sensor and the energy
storage device are both
connected to the
inverter, use 0.2–0.5
mm
2
cords.
•
Cable outer diameter: 4–
11 mm
5
(Optional) RS485 communications
cable (used to connect to the RS485
signal port on devices such as the
Smart Power Sensor and the energy
storage device)
6
(Optional) Rapid shutdown switch
signal cable
7
(Optional) Grid scheduling signal cable
8
(Optional) Grid scheduling signal cable Five-core outdoor cable
