1: OVERVIEWGETTING STARTED ........................................................................................................................... 1-1
3: USING THE METERMENU NAVIGATION ........................................................................................................................ 3-1
SER INTERFACE ..................................................................................................................3-1
5: MISCELLANEOUSREVISION HISTORY .......................................................................................................................... 5-1
Thank you for purchasing the GE Energy EPM4500 24-point sub-meter to monitor energy
for your residential, commercial, or industrial applications. At GE Energy, we pride
ourselves by providing our customers with best-in-class products, which have been
carefully selected by GE to best serve your solution needs.
The EPM4500 is sold in KWh or Demand meter versions and is available for 120/208V and
277/480V applications. An integrated liquid crystal display (LCD) is standard on all versions,
providing local access to real-time and historical data. The meter provides two standard
communication modes: power line communications (PLC), which utilizes existing AC power
lines as the communication medium, eliminating dedicated wiring, and Modbus (RS232,
RS485, and modem).
The EPM4500 is packaged with either solid or split-core CTs in various amperages to suit
both new construction and retrofit applications.
Note
The EPM4500 is primarily used for commercial and industrial applications and is
available in voltages ranging from 120 to 600 V in both wye and delta forms. The
following installation instructions are applicable to the EPM4500 meter only.
EPM 4500 SUB METER – INSTRUCTION MANUAL1–1
APPLICATIONSCHAPTER 1: OVERVIEW
1.2Applications
1.2.1Stand-Alone Meter
The GE Energy EPM4500 can be installed as a stand-alone device that is locally accessed
via the LCD or remotely accessed via modem. A modem can be installed in each meter
allowing the meter(s) to be read remotely.
1.2.2Metering System
The GE Energy EPM4500 family of meters are ideally designed to comprise a metering
system within a residential/commercial building or industrial site. This metering system
can measure electrical usage for each tenant, cost center, or common area space and
communicate this information over the building's power wires or dedicated
communication wiring (RS485). A metering system is comprised of two or more EPM4500
meters and at least one communication transponder (see figure below). The transponder
collects metering data from multiple meters via AC power lines. For larger sites, additional
transponders may be required. Multiple transponders can communicate via a data link
network using RS485 or via a wireless network.
The metering data can be accessed from the transponder or network of transponders
using a telephone modem or local RS232 connection to a PC for data transfers.
709712A1.CDR
FIGURE 1–1: Overview of Scan Transponder Functionality
1–2EPM 4500 SUB METER – INSTRUCTION MANUAL
CHAPTER 1: OVERVIEWAPPLICATIONS
1.2.3Interior View
The interior of the EPM4500 is shown below.
709711A1.CDR
FIGURE 1–2: Interior View of the EPM4500
Note
Where the and symbols are seen on the EPM4500 meter, the manual must be
consulted to determine the nature of any potential hazard and/or actions to be taken.
1.2.4Cautions and Warnings
• Do not install if the device is damaged. Inspect the housing for obvious defects
CAUTION
WARNING
such as cracks in the housing.
• If the device is installed or used in a manner not specified by accompanying
documents, the protection of the device may be impaired.
• If the device functions abnormally, proceed with caution. The protection of the
device may be impaired.
• Do not install the meter around combustible gas or gas vapor.
• Do not install the meter in an electrical service with current or voltage outside of
the specified limit of the device.
• Do not operate the meter with the cover removed.
• To avoid electric shock, disconnect mains before replacing fuses!
• See instructions for connection diagram.
• Risk of electric shock. Beware of working around this meter when the voltage is
live.
• For continued protection against fire, replace only with fuses of specified voltage
and current rating.
EPM 4500 SUB METER – INSTRUCTION MANUAL1–3
APPLICATIONSCHAPTER 1: OVERVIEW
1.2.5Protective Conductor Terminal
Securely fasten one end of the earthing wire so that the screw cuts the paint on the back
box. Securely fasten other end of the wire to a true earth ground connection. When
earthing to the electrical conduit, use continuous pipes, bending when necessary instead
of using couplers.
1.2.6Preventive Maintenance
There are no necessary preventative maintenance or inspection.
A Toshiba CR2032 coin battery is used in each device and is intended to be good for
decades before replacement. Return to manufacturer for replacement.
1–4EPM 4500 SUB METER – INSTRUCTION MANUAL
CHAPTER 1: OVERVIEWSPECIFICATIONS
1.3Specifications
1.3.1Monitoring
DEMAND
Consumption and demand: .....................kW and kWh
Demand reset:.................................................allows local reset of peak demand register
INTERVAL DATA AND PEAK DEMAND
Commercial:......................................................15 minute block demand interval and peak demand with
Shipping weight:.............................................1 meter assembly 34 lbs. (total weight)
Shipping dimensions: ...................................2 enclosures, each 13.5"H × 8.5"W × 4.5"D
1.3.7Type Tests and Approvals
TYPE TESTS
Transient/surge suppression: ANSI C37.90.1-1989
Installation category:....................................III. This product falls under Installation Category III
because of its distribution level, fixed installation and has
smaller transient overvoltages than an Installation
Category IV.
1–6EPM 4500 SUB METER – INSTRUCTION MANUAL
CHAPTER 1: OVERVIEWSPECIFICATIONS
APPROVALS
ANSI: .....................................................................C12.1 and C12.16 accuracy
UL and CUL: ......................................................recognized under E204142
Industry Canada:............................................MC#AE-1148
EPM 4500 SUB METER – INSTRUCTION MANUAL1–7
ORDERING
EPM 4500 SUB METER – INSTRUCTION MANUAL
1.4 Ordering
1.4.1 Enclosure
Step 1: Select Enclosure
FamilyBack BoxVoltageOptionsDescription
PL4500BBA**Back Box Assembly
1.4.2 EPM 4500 Residential
The EPM 4500 residential package is available in single-phase 120/208 V or 120/240 V connections.
Residential use measures kWh only (no demand measurement).
The EPM 4500 commercial package is available in three-phase 120/208 V, 277/480 V, or 347/600 V
connections (delta optional). Commercial use measures kWh and kW demand.
For additional information on pulse inputs, please contact GE Energy.
2. Order Transponder Model with options
DescriptionCat. No.
120/208V with modemTRANS120M
120/208V with RS485 and RS2332 connectionsTRANS120RS
277/480V with modemTRANS277M
277/480V with RS485 and RS232 connectionsTRANS277RS
347/600V with modemTRANS347M
347/600V with RS485 and RS 232 connectionsTRANS347RS
1–9
ORDERINGCHAPTER 1: OVERVIEW
1–10EPM 4500 SUB METER – INSTRUCTION MANUAL
GE Energy
Industrial Solutions
709710A1.CDR
2.1Getting Ready
EPM4500 Sub Meter
Chapter 2: Installation
Installation
2.1.1Determination of Metering System Requirements
Determine if the application is for a metering system or for a stand-alone meter. If the
application is for a stand-alone meter, please read Overview of Meter Wiring on page 2–2.
If the application is for a metering system, then also read Installing the Scan Transponder
on page 2–18.
2.1.2Phase Association
As shown in Table 2–1: Wiring Diagram / Model Reference on page 2–3, there are four
wiring types for the EPM4500 meter. Each wiring type has a specific phase association
table to ensure that current transformers are in-phase with the reference voltage. These
phase association tables must be followed for the meter to function properly with the
chosen wiring type.
The phase association of the current transformers must be followed or meter will not
be installed correctly.
EPM 4500 SUB METER – INSTRUCTION MANUAL2–1
WIRINGCHAPTER 2: INSTALLATION
2.2Wiring
2.2.1Overview of Meter Wiring
Although this document treats the installation and certification stages separately, this
does not imply that the recommended procedure is to install the entire system at once and
then proceed to certification.
The recommended procedure is to install and certify the system in stages. By doing this,
systematic error can be corrected before it propagates through the entire installation. To
follow the recommended procedure, divide the job up into manageable stages and install
and certify at each stage before proceeding to the installation of the next stage.
For the purposes of this discussion, the colors black, red and blue have been chosen to
distinguish among the three phases of a three-phase network. White is the designated
color of neutral and green is the color of earth ground. Please substitute the correct color
according to local electrical code. For a two-phase installation, ignore the third phase (the
blue phase in the following description).
Failure to follow the proper procedures and reference the correct wiring diagram can
result in damage to the equipment and/or physical harm.
709714A1.CDR
FIGURE 2–1: Vertical Mounting Option
2.2.2Wiring Overview
Review the following wiring types and select the one that matches your installation
requirements and part number using the following table.
2–2EPM 4500 SUB METER – INSTRUCTION MANUAL
Table 2–1: Wiring Diagram / Model Reference
Three-Phase Four-Wire Wye Wiring on page 2–3
Single-Phase, Three-Wire 120 V Wiring on page 2–6
Three-Phase, Three-Wire Delta Wiring on page 2–9
Single-Phase, Three-Wire Wiring on page 2–12
2.2.3 Three-Phase Four-Wire Wye Wiring
The phase association and polarity of the current transformers must be followed or
the meter will not be correctly installed.
1. Current transformers must be in-phase with the reference voltage. The MCI board
runs in an A-B-C phase rotation (see table below) and each of the three CT
connections repeat an A-B-C order.
For example, a current transformer installed in-phase with reference voltage A must
be installed on CT1, CT4, CT7, etc. Current transformers installed in-phase with
reference voltage B must be installed on CT2, CT5, CT8, etc. Likewise, current
transformers installed in-phase with reference voltage C must be installed on CT3,
CT6, CT9, etc.
WIRINGCHAPTER 2: INSTALLATION
Section
2. For the “C” or commercial 3-phase/4-wire model, each A-B-C combination is a single
meter point (see the following table for full listing). That is,
3. – Meter 1 (M#1) is CT1, CT2, and CT3
– Meter 2 (M#2) is CT4, CT5, and CT6
– Repeated for M#3 to M#8
4. After completing all current transformer terminations, connect four (4) current
connectors and then remove the twenty-four (24) shorting links.
5. Follow all local codes for installation requirements; e.g. conduit, fused disconnect,
distance, and wiring.
6. Installation of “L” (0.1 A inputs) and “H” (CL10 or 5A inputs) are the same. For 6 point
models, use meter points M#1 to M#6; M#7 and M#8 are not functional.
If breakers are energized, shorting links must be installed before:
1. disconnecting the CT headers
2. replacing or installing meter heads on the panel.
Bodily injury may result if shorting links are not installed!
EPM 4500 SUB METER – INSTRUCTION MANUAL
2-3
WIRINGCHAPTER 2: INSTALLATION
Table 2–2: Phase Association Table for 3-Phase 4-Wire Wye Wiring
MeterMCI Board CTVoltage
Phase
1A
1
2B14B
3C15C
4A
2
5B17B
6C18C
7A
3
8B20B
9C21C
10A
4
11B23B
12C24C
MeterMCI Board CTVoltage
Phase
13A
5
16A
6
19A
7
22A
8
2–4EPM 4500 SUB METER – INSTRUCTION MANUAL
CHAPTER 2: INSTALLATIONWIRING
C
Power
A
Load
Phase A (ØA)
N
Source
Neutral
BK/RD/BL
Dot
H1
Dot or H1 should point
source.
towards the line or
WHITE
LINE SOURCE
Diagram 3. CT Phasing.
CT Header
CT Header
CT4
CT2
meterhead
Connect CT Header to
To CT2
To CT4
CT Header
CT Header
To CT1
To CT3
Power Header
Beads
Ferrite
inside tenant breaker panel.
CT3
Diagram 1. Current Transformers installed
CT1
347/600V
BK
RD
BL
WH
277/480V
120/208V
ØC
BL
MC-5
NA NB
IB
IC
NCN
ØAØB ØCIA
Meter #2
ØB
RD
WH
WH
B
Load
Reference Voltage
BK
15A Fast Acting Only
Service Disconnect Switch
RECOMMENDED:
Load
Phase B (ØB)
Phase C (ØC)
Tenant Breaker Panel
Conduit
RD
BL
WH
installed correctly. See Diagram 1 for CT installation
CRITICAL - Current Transformers (CT) must be
and Table 1 for Phase Association relationships.
for each meter point. See Diagram 3 for CT polarity
BL
BK
RD
Meter #1
ØA
BK
BK RD BL WH
ØC
WH
BL
ØA
ØB
RD
BK
WH
WH
WH
WH
Meter #1Meter #2Meter #3
BK
RD
BL
BK
BL
WH
RD
WH
Shorting Links
Installation Notes for details.
Diagram 2. Shorting Links. See
BL
RD
BK
WH
WH
WH
WH
WH
BK
RD
WH
WH
BK
RD
WH
BK
RD
BL
MCI INTERFACE
WH
WH
WH
BK
RD
BL
Meter #5
709701A3.CDR
Meter #4
TENANT BREAKER PANEL
WH
WH
WH
WH
WH
WH
BK
RD
BL
BL
BL
WH
WH
WH
WH
BK
RD
BL
WH
BK
RD
BL
WH
WH
WH
BK
RD
BL
TENANT BREAKER PANEL
Meter #8
Meter #7
Meter #6
FIGURE 2–2: 3-Phase 4-Wire Wye Wiring
EPM 4500 SUB METER – INSTRUCTION MANUAL2–5
WIRING
CHAPTER 2: INSTALLATION
2.2.4 Single-Phase, Three-Wire 120 V Wiring
The phase association and polarity of the current transformers must be followed or
the meter will not be correctly installed.
1. Current transformers must be in-phase with the reference voltage. The MCI board
runs in an A-B-C phase rotation (see table below) and each of the three CT
connections repeat an A-B-C order.
For example, a current transformer installed in-phase with reference voltage A must
be installed on CT1, CT4, CT7, etc. Current transformers installed in-phase with
reference voltage B must be installed on CT2, CT5, CT8, etc. Likewise, current
transformers installed in-phase with reference voltage C must be installed on CT3,
CT6, CT9, etc.
2. For the “R” or residential 3-phase/3-wire model, each A-B, C-A, and B-C combination
is a single meter point (see the table below for full listing). That is,
3. – Meter 1 (M#1) is CT1 and CT2
– Meter 2 (M#2) is CT3 and CT4
– Repeated for M#3 to M#12
4. After completing all current transformer terminations, connect four (4) current
connectors and then remove the twenty-four (24) shorting links.
5. Follow all local codes for installation requirements; e.g. conduit, fused disconnect,
distance, and wiring.
6. Installation of “L” (0.1 A inputs) and “H” (CL10 or 5 A inputs) are the same. For the 3,
6 and 9 point models, use meter points M#1 to M#3, M#1 to M#6, and M#1 to M#9,
respectively. M#4 to M#12, M#7 to M#12, and M#10 to M#12 are not functional for
the 3, 6 and 9 point models, respectively.
If breakers are energized, shorting links must be installed before:
1. disconnecting the CT headers
2. replacing or installing meter heads on the panel.
Bodily injury may result if shorting links are not installed!
2-6
EPM 4500 SUB METER – INSTRUCTION MANUAL
CHAPTER 2: INSTALLATIONWIRING
Table 2–3: Phase Association Table for 1-Phase 3-Wire 120 V Wiring
MeterMCI Board CTVoltage
Phase
1A
1
2B14B
3C
2
4A16A
5B
3
6C18C
7A
4
8B20B
9C
5
10A22A
11B
6
12C24C
MeterMCI Board CTVoltage
Phase
13A
7
15C
8
17B
9
19A
10
21C
11
23B
12
EPM 4500 SUB METER – INSTRUCTION MANUAL2–7
WIRINGCHAPTER 2: INSTALLATION
C
Power
A
Load
Phase A (ØA)
N
Source
Neutral
BK/RD/BL
Dot
H1
Dot or H1 should point
source.
towards the line or
WHITE
LINE SOURCE
Diagram 3. CT Phasing.
CT Header
CT Header
CT4
CT2
meterhead
Connect CT Header to
To CT2
To CT4
CT Header
CT Header
Power Header
Beads
Ferrite
CT3
CT1
347/600V
277/480V
120/208V
MC-5
NA NB
IB
IC
NC
ØAØB
ØCIA
N
To C T 1
Diagram 1. Current Transformers installed
inside tenant breaker panel.
Meter #3
BK
ØB
To C T 3
BLRD
WH
ØC
RD
BL
WH
Meter #2
ØA
BK
RD BL
WH
WH
WH
BK
Reference Voltage
ØC
B
Load
BK
15A Fast Acting Only
RECOMMENDED:
Service Disconnect Switch
Load
Phase B (ØB)
Phase C (ØC)
Tenant Breaker Panel
Conduit
RD
BL
WH
CRITICAL - Current Transformers (CT) must be
installed correctly. See Diagram 1 for CT installation
and Table 1 for Phase Association relationships.
for each meter point. See Diagram 3 for CT polarity
BL
BK
RD
WH
Meter #1
ØA
BK
ØB
RD BL
WH
BL
RD
BK
WH
WH
WH
Meter #5Meter #6
709722A1.CDR
Meter #4
TENANT BREAKER PANEL
WH
WH
WH
WH
WH
WH
BK
RD
BL
WH
WH
WH
BK
RD
BL
WH
BK
RD
BL
WH
RD
BL
RD
BL
WH
WH
WH
BK
RD
BL
TENANT BREAKER PANEL
Meter #11Meter #12Mete r #10
Meter #9 Meter #8 Meter #7
WH
WH
Meter #2
WH
BK
WH
BK
Meter #1Meter #3
BK
RD
BL
BK
BL
WH
RD
WH
Shorting Links
Installation Notes for details.
Diagram 2. Shorting Links. See
BL
RD
BK
WH
WH
WH
WH
BK
RD
BL
MCI INTERFACE
WH
WH
WH
BK
RD
BL
FIGURE 2–3: 1-Phase 3-Wire 120 V Wiring (Network)
2–8EPM 4500 SUB METER – INSTRUCTION MANUAL
CHAPTER 2: INSTALLATIONWIRING
2.2.5Three-Phase, Three-Wire Delta Wiring
The phase association and polarity of the current transformers must be followed or the
meter will not be correctly installed.
1. Current transformers must be in-phase with the reference voltage. The MCI
board runs in an A-C phase rotation (see table below) and every two CT connections repeat an A-C order.
For example, a current transformer installed in-phase with reference voltage A must
be installed on CT1, CT3, CT5, etc. Current transformers installed in-phase with
reference voltage C must be installed on CT2, CT4, CT6, etc.
2. For the “C” or commercial 3-phase/3-wire model, each A-C combination is a
single meter point (see the table below for full listing). That is,
– Meter 1 (M#1) is CT1 and CT2
– Meter 2 (M#2) is CT3 and CT4
– Repeated for M#3 to M#12
3. After completing all current transformer terminations, connect four (4) current
connectors and then remove the twenty-four (24) shorting links.
4. Follow all local codes for installation requirements; e.g. conduit, fused
disconnect, distance, and wiring.
5. Installation of “L” (0.1 A inputs) and “H” (CL10 or 5 A inputs) are the same.
If breakers are energized, shorting links must be installed before:
1.disconnecting the CT headers
2.replacing or installing meter heads on the panel.
Bodily injury may result if shorting links are not installed!
EPM 4500 SUB METER – INSTRUCTION MANUAL2–9
Loading...
+ 51 hidden pages
You need points to download manuals.
1 point = 1 manual.
You can buy points or you can get point for every manual you upload.