30
4.7 Grounding
Ground
VFD
to
the
power
source
ground
and
motor
ground
to
avoid
electrical
shock.
Connect
a
dedicated
ground
wire
from
power
transformer
or
power
distribution
panel
to
VFD
ground
terminal
and
dedicated
ground
wire
from
VFD
to
the
motor
for
ground
fault
protection
proper
operation.
If
metal
construction
or
conduits
are
used
as
ground
leak
current
path,
the
VFD
can
have
inadequate
grounding
and
ground
fault
protection.
Connect
ground
wire
first
before
any
other
wires
and
only
connect
it
to
the
dedicated
ground
terminal
of
the
VFD.
Do
not
use
the
case
or
the
chassis
assembly
screws
for
grounding.
VFD
Grounding
wire
should
be
as
short
as
possible.
Do
not
install
a
ground
rod
at
VFD
package
if
it
is
not
a
service
entrance
rated
panel,
otherwise
the
VFD
cannot
provide
proper
ground
fault
protection
or
it
can
intermittently
trip
on
Ground
Fault.
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Страница 15: ...15 CHAPTER 3 SPECIFICATIONS CHAPTER 3 SPECIFICATIONS 3 1 Standalone VFD Ratings 3 2 VFD Smart Bypass Ratings...
Страница 16: ...16 3 3 VFD with Disconnect Ratings 3 4 VFD HP Rated Ratings...
Страница 18: ...18 3 8 Standalone and HP Rated VFD Dimensions...
Страница 19: ...19 3 9 Smart Bypass and VFD with Disconnect Dimensions...
Страница 26: ...26 4 3 Wiring Schematic Standalone HP Rated VFD s...
Страница 27: ...27 4 4 Wiring Schematic Smart Bypass...
Страница 28: ...28 4 5 Wiring Schematic VFD with Disconnect...
Страница 35: ...35 4 12 PID Control Diagram...
Страница 37: ...37 5 2 Control Interface...
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Страница 103: ...103 9 2 Fan Replacement...
Страница 104: ...104 9 3 Battery Replacement...
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