Technical
Instructions
LMV
Series
Document
No.
LV3
‐
1000
Section
2
Page
2
SCC
Inc.
Grounds
The
LMV3
has
two
different
types
of
grounds:
Protective
Earth
(PE)
Reference
Ground
(GND)
Protective
Earth
Protective
Earth
(PE)
or
chassis
ground
must
always
be
connected
to
the
control
panel
grounding
lug.
The
purpose
of
PE
is
to
provide
a
ground
for
all
120
VAC
connections.
One
wire
from
the
secondary
side
of
the
control
panel’s
main
step
‐
down
transformer
should
also
be
connected
to
the
control
panel
grounding
lug.
All
of
the
PE
terminals
on
the
LMV3
are
common.
Reference
Ground
The
other
type
of
ground
is
the
Reference
Ground
(GND).
These
are
found
on
the
low
voltage
connections.
The
purpose
of
the
Reference
Ground
is
to
serve
as
a
datum
to
measure
other
voltages.
Summary of Contents for LMV3 series
Page 1: ...Combustion Controls LMV3 Linkageless Burner Management System www scccombustion com ...
Page 2: ...Intentionally Left Blank ...
Page 41: ...LMV Series Technical Instructions Document No LV3 1000 SCC Inc Page 13 Section 2 ...
Page 42: ...Technical Instructions LMV Series Document No LV3 1000 Section 2 Page 14 SCC Inc ...
Page 43: ...LMV Series Technical Instructions Document No LV3 1000 SCC Inc Page 15 Section 2 ...
Page 44: ...Technical Instructions LMV Series Document No LV3 1000 Section 2 Page 16 SCC Inc ...
Page 45: ...LMV Series Technical Instructions Document No LV3 1000 SCC Inc Page 17 Section 2 ...
Page 46: ...Technical Instructions LMV Series Document No LV3 1000 Section 2 Page 18 SCC Inc ...
Page 223: ...Intentionally Left Blank ...