Growatt SPH-UP Series User Manual

5.4.8 Connection of communication terminal for lithium battery (RS485)
When using lithium batteries which need to connect BMS system of the battery, connect
lithium battery terminal (RJ45) steps as follows:
1.Unscrew the swivel nut from the cable gland.
2.Thread the swivel nut over the “RS485” 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 “RS485” cable through an opening in the cable support sleeve.
6.Thread the “RS485” cable through the cable gland.
7.Insert the RJ45 plug of the network cable into the “RS485-2” 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.
Chart 5.30
Note:
1.If you are using a lead-acid battery, you do not need to install this communication
cable.
2.The CAN battery communication and 485-2 battery communication can't be installed
at same time, please select the correct communication method according to the battery
manual.
3.If the cable such as “485-2” cable or “CAN” cable is not used, please do not remove
the filler plug from the cable support sleeve.
5.4.9 Connection of DRMS terminal (Australia only)
When SPH is applied in Australia, the DRMS terminal needs to be connected. The
connection method is as follows:
1.Unscrew the swivel nut from the cable gland.
2.Thread the swivel nut over the “DRMS” 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 “DRMS” cable through an opening in the cable support sleeve.
6.Thread the “DRMS” cable through the cable gland.
7.Insert the RJ45 plug of the network cable into the “DRM” 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.
Chart 5.29
Chart 5.31
Chart 5.32
31
32
48 5 -2
DRM
DR M
485-2

Growatt SPH-UP Series Specifications

General

Type	Hybrid Inverter
Protection Rating	IP65
Number of MPPTs	2
AC Voltage Range	180-280V
THDi	<3%
AC Grid Frequency	50/60Hz
Communication Interfaces	Wi-Fi, RS485, USB
Nominal AC Voltage	230 V
Operating Temperature Range	-25°C to +60°C
Cooling Method	Natural Cooling