[page 28] | gpelectric.com
CAUTION!
It is advised that all the electrical installation should conform to the local electrical codes and
should be carried out by a certified technician.
When the unit is feeding the internally inverted voltage, the current carrying conductors connected
to the “L” and “N” terminals of the AC output will be isolated from the metal chassis of the inverter.
Hence, during this condition, when the metal chassis of the inverter is connected to the earth
ground, the “N” terminal of the AC output will not be grounded (bonded) to the earth ground.
Under this condition, the “N” terminal of the AC output will not be a Neutral in the true sense. Do
not touch this terminal as it will be at an elevated voltage (almost half the value the AC output
voltage) with respect to the metal chassis / earth ground and may produce an electrical shock
when touched!
When the unit is transferring power from the AC input source, the grounding condition of the “N”
terminal of the AC output will be the same as the condition of the “N” terminal of the AC input
source. If the AC input source is the power supplied from the utility, the “N” terminal would be a
Neutral in the true sense. It will normally be bonded to the earth ground and will read almost 0 V
with respect to the earth ground. In this case, touching this terminal will not be a shock hazard.
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GND
AC INPUT / L
AC INPUT / N
AC OUTPUT / N
AC OUTPUT / L
AC OUTPUT GND
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INSTALLATION
