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900-0020-01-00 Rev A 27
In parallel stacking, two or more inverters are stacked to create a single, common 120/240 Vac bus.
The master provides the primary output. The slaves are connected to the same output and assist the master.
The slave inverters can be programmed to activate on demand, reducing idle-power consumption. They will
remain off until the loads exceed a certain threshold.
A two-inverter system can continuously power 16 kVA of loads.
Up to ten inverters may be installed in a parallel arrangement.
Figure 7 Example of Parallel Stacking Arrangement (Three Inverters)
24 kVA
120/240 Vac
8 kVA
120/240 Vac
8 kVA
120/240 Vac
8 kVA
120/240 Vac