GE Industrial Solutions EPM4500 Submeter - Manual (Page 25)

CHAPTER 2: INSTALLATION WIRING
EPM 4500 SUB METER – INSTRUCTION MANUAL 2–11
FIGURE 2–4: 3-Phase 3-Wire Delta Wiring
709723A1.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
T
enant
Breaker
Panel
Conduit
RECOMMENDED: Fused
Disconnect
15A
Fast
Acting
Only
Phase
A
(ØA)
Phase
B
(ØB)
Phase
C
(ØC)
BL BK
BK
RD
BL
BK
BL
BK
BL
T
o
CT1
T
o
CT3
T
o
CT2
T
o
CT4
CT
Header
CT
Header
CT
Header
CT
Header
BL BK
BK
BL
WH WH BK
ØA
ØC
Shorting Links
WH
BK
WH
BL
WH
BK
WH
BL
WH
BK
WH
BL
WH
BK
WH
BL
WH
BK
WH
BL
WH
BK
WH
BL
Diagram
2.
Shorting
Links.
See
Inst
allation
Notes
for
det
ails.
Meter #1
POWER SOURCE
Connect
CT
Header
to
meterhead
C
A
B
Load
Load
WH WH WH WH
BK BL BL BK
WH WH WH WH
BL BK BL BK
WH WH WH WH
BL BK BK BL
Meter #5
TENANT BREAKER PANEL
Meter #6 Meter #1 Meter #3 Meter #4 Meter #2
Meter #11
TENANT BREAKER PANEL
Meter #12 Meter #7 Meter #8 Meter #9 Meter #10
BL
NOTE:
CORNER
CAN
BE
GROUNDED
OR
UNGROUNDED
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
2-5
for
Phase
Association
relationship
s.
Diagram
1.
Current
T
ransformers
inst
alled
inside
tenant
breaker
p
anel.
Diagram
3.
CT
Phasing.
Dot
or
H1
should
point
towards
the
line
or
source.
WHITE
H1
BK/RD/BL
Dot
LINE
SOURCE
RD
RD
RD
RD
BK
ØA
Meter #2
BL
ØC
BL
BK WH WH
RD RD