Outback Power Systems VFX Series International Programming Manual - Manual (Page 25)

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2. 3-Phase
• Three—and only three— FXs are connected, one to each of three 230 VAC output legs that produce
400 VAC between any two legs of the system.
• The HUB requires a jumper between the two Slave FXs for this stacking to function (see HUB
Communications Manager User’s Manual).
• The AC input source (generator or grid) must be a 230VAC/400VAC 3-phase source.
STACKING AND ASSIGNING FX STATUS
Use the MATE to establish the order or hierarchy of all the system FXs by designating each as one of
the following:
• 1-2ph Master (OutBack Parallel, OutBack Series, or Classic Series stacking)
• Classic Slave (Classic Series stacking)
• OB (OutBack) Slave L1 (OutBack Parallel, OutBack Series, or OutBack Series/Parallel stacking)
• OB (OutBack) Slave L2 (OutBack Series or OutBack Series/Parallel stacking)
• 3ph Master (3-Phase stacking)
• 3ph Slave (3-Phase stacking)
NOTE: Some stacking options that appear on the MATE should not be used with an International Series
FX or VFX and are marked as such in the text.
1. 1-2ph Master
• This is the default ranking of every FX. It applies to one-phase and two-phase systems.
• One Master FX is established for every multiple FX system.
*A&B
A&C
B&C
Any two
legs*
400 VAC
6kW
3 kW 230 VAC
LOAD
3-phase, all
three legs,
9kW
or
3 kW 230 VAC
3 kW 230 VAC
Phase B
230 VAC
3kW
Phase A
230 VAC
3kW
Phase C
230 VAC
3kW
or