Magnum Energy GFCI Outlet (MS-GFCI) - Manual (Page 2)

MS-GFCI Instruction Sheet
2 ©2012 Magnum Energy, Inc.
• Blue wire – connect to the inverter’s AC HOT 1 OUT terminal/wire
• White w/black stripe wire – connect to the inverter’s AC NEUT
OUT terminal/wire
• Green wire – connect to the inverter’s AC GROUND terminal/wire
4. Ensure each wire on the GFCI is appropriately connected to the correct
terminal/wire on the inverter.
a) On MS2012-20B models, tighten each terminal to a maximum torque
of 16 lbf-in (1.8N-m).
b) On MS2000-20B models, use an appropriate wire connector to attach
the GFCI wires to the inverter wires.
5. Attach the GFCI outlet panel to the inverter using the two Phillips screws
you removed earlier. Make sure not to pinch the wires.
Once the GFCI is installed, it is highly recommended that you test the GFCI
outlet before using it.
Can the inverter also be wired to run AC loads directly from the in-
verter (i.e., hardwired) with the MS-GFCI accessory installed? Yes,
the inverter can also be hardwired to power loads directly from the inverter.
However, because the GFCI receptacle looks for a balance of current flowing
in a single hot conductor and a single neutral conductor, ensure all wiring is
directly made from the inverter (either directly from the AC wiring terminal
on MS2012-20B models, or from the pigtail wires on MS2000-20B models).
There should not be any additional wiring made from the GFCI receptacle,
this is to prevent nuisance GFCI tripping when a current imbalance occurs by
sharing the neutral or hot wires on the GFCI. For information on hardwiring
to the inverter, refer to your inverter’s owner’s manual.
3.0 Testing the GFCI Outlet
WARNING: A miswired GFCI may result in personal injury or death
due to a ground fault (electrical shock).
WARNING: Exercise extreme caution when re-applying power to
the inverter and during the entire GFCI testing process. A shock
hazard may be present.
IMPORTANT: To properly test the GFCI’s operation, the inverter must be pro-
viding ~120VAC to the GFCI outlet. If the inverter is “Searching”, the Search
mode feature must be turned off to allow the inverter to provide ~120VAC.
To test the GFCI outlet:
1. Apply DC power to the inverter, and then turn the inverter on.
2. Plug the test lamp in to the GFCI outlet and turn it on. If the lamp comes
on – proceed to Step 3. If it does not:
a) Ensure the GFCI’s RESET button (see Figure 3) is not “tripped” (the
RESET button is tripped if the button is flush with the face of the TEST
button). If fully pushing the RESET button does not cause it to light up,
then the wire connections from the GFCI outlet to the inverter are not
attached correctly, repeat Steps 3 and 4 of the installation; or,
b) Ensure the inverter is on and not in Search mode, or
c) Check the test lamp to ensure it is not faulty, or use a different test
lamp.