Replacing Power Optimisers - SolarEdge SE12.5K Installation Manual

 T hree Phase Inverter
Wire type
Line 1
Line 2
Line 3
PE (grounding)
Neutral
4. Tighten the screws of each terminal with a torque of 1.2-1.5 N*m / 0.88-1.1 lb.*ft.
5. Verify that there are no unconnected wires at the output of the Connection Unit
and that any unused terminal screws are tightened.
6. Connect the DC and AC wires to the Connection Unit.Refer to Connecting the AC
and Strings to the Connection Unit on page 36 .
7. Ensure proper cable entry sealing; inspect the entire cable run and use standard
sealants to avoid water penetration.

Replacing Power Optimisers

1. Turn OFF the inverter ON/OFF switch, and wait until the LCD green light is
blinking, or wait five minutes before continuing to the next step.
WARNING!
If a malfunction is indicated by the LEDs, wait five minutes for the input
capacitors of the inverter to discharge.
2. Turn OFF the AC breaker and distribution panel on the main distribution panel.
3. Disconnect and replace the necessary power optimizers.
4. Perform pairing
5. In the monitoring platform, use the Replace button in the logical
layout tab (in site Admin). Replace the serial number of the removed
power optimizer with the serial number of the newly installed power
optimizer. Refer to
monitoring-portal-site-admin.pdf
Three Phase Inverter with Synergy Technology Installation MAN-01-00402-1.2
Connect to terminal
L1
L2
L3
N
https://www.solaredge.com/sites/default/files/se-
Appendix E: Replacing System Components
Figure 49: Primary Unit AC terminals
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