Growatt SPF 3000TL LVM - Single Phase Parallel Wiring: 2 Inverters; AC Input Breaker Specifications for Single Phase; Power and Communication Connection Diagrams (2 Inverters)

28
*If you want to use only one breaker at the battery side for the whole system, the rating of the breaker should be X
times current of 1 unit. “X” indicates the number of inverters connected in parallel.
Recommended breaker specification of AC input with single phase:
Model
2 units
3 units
4 units
5 units
6 units
SPF 3000TL LVM
100A/120VAC
150A/120VAC
200A/120VAC
250A/120VAC
300A/120VAC
Note1: Also, you can use 50A breaker for only 1 unit, and each inverter has a breaker at its AC input.
Note2: Regarding three phase system, you can use 4 poles breaker, the rating is up to the current of the
phase which has the maximum units. Or you can follow the suggestion of note 1.
Recommended battery capacity
Inverter parallel numbers
2
3
4
5
6
Battery Capacity
400AH
600AH
800AH
1000AH
1200AH
WARNING! Be sure that all inverters will share the same battery bank. Otherwise, the inverters will transfer to
fault mode.
Parallel Operation in Single phase
Two inverters in parallel:
Power Connection
Communication Connection