Growatt SPH-UP Series User Manual

Chart 5.22
Chart 5.23
Note:
1.The 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 modular
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 5.24
27
28
CT 1 / MER T E R1
During the actual operation, please pay attention to the installation of current
transformer as the diagram shows below:
As illustrated above, open the current transformer and you can see an arrow labeled on it
indicating the direction of current. Put the live wire among the under-detection wires
onto the current transformer. After latching the current transformer, the installation has
been finished.
Chart 5.25
Notice:
The direction (from K to L) of the arrow on the current transformer is corresponding to
the direction of the current in live wire from Grid to Load. Sensor needs to be placed in
the power distribution cabinet.
5.4.6 Connection of meter terminal
When customer needs to use meter to monitor the energy flow, the meter terminal
connection steps are as follows:
1.Reference 5.2, make LAN cables with RJ45 terminal.
2.Thread the swivel nut over the LAN 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 LAN cable through an opening in the cable support sleeve.
6.Thread the LAN cable through the cable gland.
7.Insert the RJ45 plug of the network cable into the “CT1/METER1” 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 5.26
CT 1 / MER T E R1

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