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2.3 External CT Connection
The electricity meter should be mounted and connected at the grid transition point
(feed-in point) so that it can measure the grid reference and feed-in power.
1. Loosen the nut, and untangle the single-aperture sealing ring.
Pin Description Pin Description
1 R phase CT positive electrode(White) 2 R phase CT negative pole(Black)
3 S phase CT positive electrode(White) 4 S phase CT negative pole(Black)
5 T phase CT positive electrode(White) 6 T phase CT negative pole(Black)
Figure 21
2. Install the waterproof component and screw on the waterproof sheath nut.
3. Open the external CT wiring port, the arrow points to the direction of the power
grid, put the wire into the external CT card slot, and buckle the buckle.
STATEMENT:
The method of anti-islanding protection is power variation.
NOTE:
It is necessary to disconnect the power line, communication line and communication
line between battery pack and inverter to manually sleep all battery packs.
NOTE:
Recommended AC circuit breaker rating is 32A for grid, 25A for backup.