Outback Power Systems GVFX Series Inverter/Charger Programing Manual - Manual (Page 41)

39
STACkINg OPTIONS
OutBack Grid-Interactive FXs can be stacked in Series or Three-Phase only.
SErIES
• Two FXs are wired to two 120 VAC output legs producing 240 VAC between them.
• Each FX powers one leg and acts independently of the other, but both combine when 240 VAC is
required for a load.
• The AC input must be 240 split phase VAC.
3 kw 120 vAC
3 kw 120 vAC
3 kw
120 vAC
Leg 2
LOAD
3 kw
120 vAC
Leg 2
6 kw
240 vAC
Leg 1
and
Leg 2
or
3-PHASE
• Three—and only three— FXs are connected, one to each of three 120 VAC output legs that produce
a nominal 208 VAC between any two legs of the system. (The precise voltages are 127 VAC per leg,
and 220 VAC between legs.)
• The AC input source (generator or grid) must be a 120 VAC/208 VAC 3-phase source.
*A&B
A&C
B&C
Any two
legs*
208 vAC
6kw
3 kw 120 vAC
LOAD
3-phase, all
three legs,
9kw
or
3 kw 120 vAC
3 kw 120 vAC
Phase B
120 vAC
3kw
Phase A
120 vAC
3kw
Phase C
120 vAC
3kw
or