GE Industrial Solutions EPM4500 Submeter - Manual (Page 19)

CHAPTER 2: INSTALLATION WIRING
EPM 4500 SUB METER – INSTRUCTION MANUAL 2–5
FIGURE 2–2: 3-Phase 4-Wire Wye Wiring
709701A3.CDR
ØA
ØB
ØC
IA
IB
IC
NA
NB
NC
N
120/208V 277/480V 347/600V
Ferrite Beads
Power
Header
MC
-5
CT
3
CT
1
CT
4
CT
2
MCI
INTERF
ACE
TENANT BREAKER PANEL
TENANT BREAKER PANEL
T enant
Breaker
Panel
Conduit
RECOMMENDED: Service
Disconnect
Switch
15A
Fast
Acting
Only
Neutral
Phase
A
(ØA)
Phase
B
(ØB)
Phase
C
(ØC)
BL
RD
BK
WH
BK
RD
BL
WH
BK
RD
BL
WH
BK
RD
BL
WH
T
o
CT1
T
o
CT3
T
o
CT2
T
o
CT4
CT
Header
CT
Header
CT
Header
CT
Header
WH RD
BL BK
BK
RD
BL
WH
WH WH WH BL BK RD
ØA
ØB
ØC
Shorting Links
WH
BK
WH
RD
WH
BL
WH
BK
WH
RD
WH
BL
WH
BK
WH
RD
WH
BL
WH
BK
WH
RD
WH
BL
WH
BK
WH
RD
WH
BL
WH
BK
WH
RD
WH
BL
WH
BK
WH
RD
WH
BL
WH
BK
WH
RD
WH
BL
Diagram
2.
Shorting
Links.
See
Inst
allation
Notes
for
det
ails.
Meter #1 Meter #2 Meter #3 Meter #4
Meter #1
Meter #8 Meter #7 Meter #6 Meter #5
Power Source
Connect
CT
Header
to
meterhead
A
B
C
N
Load
Load
Load
Diagram
3.
CT
Phasing.
Dot
or
H1
should
point
towards
the
line
or
source.
Reference
V
olt
age
CRITICAL
-
Current
T
ransformers
(CT)
must
be
inst
alled
correctly
.
See
Diagram
1
for
CT
inst
allation
for
each
meter
point.
See
Diagram
3
for
CT
polarity
and
T
able
1
for
Phase
Association
relationship
s.
Diagram
1.
Current
T
ransformers
inst
alled
inside
tenant
breaker
p
anel.
LINE
SOURCE
BK/RD/BL WHITE
Dot
H1
RD
BK
Meter #2
ØB
ØA
WH
WH
BL
ØC
BL WH RD BK WH