October 21
st
, 2021 18
Physical Installation
Deciding Backup Circuits
A. We recommend subpanels and require them if you have Arc-Fault / GFI breakers
B. Ensure you keep the inverter within its amperage limits
• ON-Grid = 63A Continuous (pass-through)
• OFF-Grid = 37.5A Conutuous | 67A Peak (10s) | 104A Peak (100ms)
C. Verify each load circuit by measuring typical and max Amps with a clip-on Amp meter. Amps x 120V = Watts
D. Install a subpanel for backup loads if you have Arc-Fault / GFI breakers, NOT a multi-circuit transfer switch
Mounting Backup Loads Panel OR Multi-Circuit Transfer Switch (Not
valid for Arc-Fault/GFI breakers)
• Transf. Switch on "GEN" position = Sol-Ark powers the circuit (uses Grid/Solar/Batt/Gen automatically)
• Transf. Switch on "Line" position = Grid powers circuit (may remove Sol-Ark)
• Set all Transf. Switches to the "GEN" position to complete setup
• Transf. Switch = Optional. You may wire the "Load" output of the Sol-Ark 12K directly to a Main Lug
breakers sub-panel rated for at least 50A (REFER TO WIRING DIAGRAMS SECTION)
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