Connection Of Ct Terminal - Growatt SPH TL BL-UP Series Installation Manual

Note:We suggest the distance between battery and SPH no longer than 1.5m, and
the power line area must be larger than 5 AWG.
5.5.4 Connection of
CT terminal
There is a CT in SPH inverter monitoring the power consumption situation of
residential users, the CT terminal connection steps are as follows:
1.Unscrew the swivel nut from the cable gland.
2.Thread the swivel nut over the "CT" cable.
3.Press the cable support sleeve out of the cable gland.
4.Remove the filler plug from the cable support sleeve.
5.Route the "CT" cable through an opening in the cable support sleeve.
6.Thread the "CT" cable through the cable gland.
7.Insert the RJ45 plug of the network cable into the "CT" pin connector on the
inverter until it snaps into place.
8.If no other cables need to be installed, lock the waterproof cover to the inverter
with screws.
9.Screw the swivel nut onto the waterproof cover.
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Chart 5.28
Chart 5.29
Chart 5.30
Chart 5.31
Note:
1.Meter and CT can't be installed at same time, please set the sensor model when
selecting CT or electricity meter, please refer to section 6.3.3 for details.
2.If the cable such as "CT" cable is not used, please do not remove the filler plug
from the cable support sleeve.
Remark:
CT wire (5m in length) specification: RJ45, standard LAN line (one end with 8P modu-
lar plug, the other connected with transformer). But if the length is not enough,
customer can add cable, so the length can be increased to 15m max, the operation is
as follow chart:
Chart 5.32
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