3. Installation
3. Installation
3.8 External ground connection point
An OPTIONAL external ground connection (PE) is provided on the right side of the inverter. To
use the OPTIONAL external ground connection (see Figure 3.23):
1). Prepare the grounding conductor. Crimp a ring or fork (M4 size) terminal onto the
grounding conductor.
2). Connect the grounding conductor (with crimped terminal) to the external ground
connection point on the right side of the inverter. Use a maximum torque of 1.5 ft-lbs.
Figure 3.23 Connect the external grounding conductor
Tee
100~300mm
Tee
Figure 3.21
Figure 3.22
.31.
.30.
3.9 Module Level Rapid Shutdown (Optional)
For systems that are required to meet NEC 2017 NEC 690.12, Canadian Solar has an optional
Module Level Rapid Shutdown. This product provides a panel level shutdown feature that
brings the panel voltage to a safe level in case of a disaster situation.
This function is vital for the safety of firefighters and relevant personnel.
NOTE:
The Canadian Solar Transmitter inside the inverter is compatible with any
module level rapid shutdown devices that comply with the Sunspec
requirements.
The detailed installation please refer to the user manual of module level
rapid shutdown devices.
If Tigo transmitter is installed inside the inverter wiring box, customer
must install corresponding Tigo module level rapid shutdown devices.
Please consult Tigo for detailed instructions.
