Growatt SPH4000 Installation Manual

Chart 5.29
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.
5.4.7 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.

Growatt SPH4000 Specifications

General

Model	SPH4000
Category	Inverter
Rated Power	4000 W
Max. DC Voltage	550 V
MPPT Voltage Range	120 V - 500 V
Number of MPPTs	2
AC Output Voltage	230 V
Frequency	50/60Hz
Efficiency	97.5%
Start Voltage	150 V
Nominal DC Voltage	360V
Max. Input Current per MPPT	11 A
AC Nominal Power	4000 W
Max. AC Apparent Power	4000 VA
AC Voltage Range	180 V - 280 V
Power Factor	0.8 leading to 0.8 lagging
THDi	<3%
AC Connection Type	Single phase
Max. Charge/Discharge Power	4000 W
Nominal Battery Voltage	48 V
Communication with BMS	CAN/RS485
Operating Temperature Range	-25°C to +60°C
Protection Degree	IP65
Topology	Transformerless
Weight	25 kg
Max. PV Input Voltage	550 V
Cooling Method	Natural Convection