45
step 6 Secure the OT terminal to the wiring hole by M12 bolt with a tightening torque of 60~70N·m.
Refer to the "5.3.4 Copper Wire Connection" and "5.3.5 Aluminum Wire Connection"
connection sequence for installation.
step 7 Pull the cable back slightly after wiring to ensure that the cable is long enough.
- - End
5.6 AC Connection
5.6.1 Safety Precautions
Accidental touching of live terminals can cause fatal electric shock!
• Ensure that the AC/DC switches of the PCS are open, and that the wiring
terminals are dead.
• Connecting to the power grid must be approved by the relevant department and
comply with all power-related safety instructions and specifications.
• When connecting to the AC grid, disconnect the upstream AC side circuit
breaker to ensure that there is no voltage at the contact terminals.
• Connect to the grid only if approved by the utility grid and all relevant safety
instructions are followed.
• The AC output is not grounded inside the device.
• The DC and AC circuits are isolated from the enclosure. If required by the
relevant national electrical codes, the installer is required to connect the
system.
5.6.2 Connection Steps
step 1 Disconnect the upstream AC circuit breaker and measure with a multimeter to ensure that
there is no voltage at the terminals.
step 2 Pass the cable into the PCS from the cable holes.
step 3 Make sure that the AC cables are connected in the correct order.
System Manual 5 Electrical Connection
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