E-Mon D-Mon Bedienungsanleitung
Energy Monitoring Products
®
Dear Valued Customer,
We are pleased that you chose to buy one of our products, and want you
to be just as pleased with owning it. Before installing your new E-Mon
product, please read the information on the following pages carefully.
We believe that you will find the E-Mon D-Mon meters easy to install and
to use for monitoring and evaluating your electrical usage.
To be sure that you are 100% satisfied with your products, we provide
toll-free technical and sales support Monday through Friday, 8:00 am
to 7:30 pm, EST: (800) 334-3666. You may also reach us via e-mail at
If you have questions, we can handle them quickly and effectively with
a telephone call. Please let us try to help you BEFORE you remove
your meter. And to help us help you, we ask that you have all relevant
information on hand when you call (model or part numbers, nature of
difficulty, etc.)
Be sure to forward this manual to the owner after installation is complete,
so that they may use it as a reference guide when reading the E-Mon
D-Mon meter.
Thank you.
Energy Monitoring Products
®
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
Table Of Contents
Page
Section 1.0 Introduction 1
Section 2.0 Meter technical specifications 4
Section 3.0 Safety label definitions 6
Section 4.0 Precautionary and safety information 7
Section 5.0 Meter installation 8
Section 5.1 Mounting the meter 8
Section 5.2 Main power board connections 8
Section 5.3 Current sensor installation and wiring 11
Section 5.4 Main power & sensor wiring diagrams 13
Section 5.5 Line voltage/current sensor diagnostics 14
Section 5.6 RS-485 wiring 15
Section 5.7 Modem wiring 16
Section 6.0 Configuring the meter using E-Mon Energy™ 17
Section 7.0 Preventative/scheduled maintenance 17
Section 8.0 Lithium battery replacement 18
Section 9.0 Display screens 20
Section 10.0 Stored data 21
Section 11.0 Frequently asked questions 22
Section 12.0 Meter limited warranty 23
1.0 Introduction
In many meter installations, it is becoming increasingly important to account for
the electricity that is both delivered and received. Delivered power is that which
is supplied to a facility by the Utility or ESP (Energy Service Provider.) Received
power is that which is sent back into the electrical service grid from the facility.
This would be the case if the facility had an on-site generator that can supply
power in excess of what the facility requires. Many utilities will either purchase
this extra power at wholesale rates, or give the consumer credit for the received
power on his next utility bill.
The Green Class Net Meter is designed to display the “Net” result of the energy
used by the consumer. The received power is automatically subtracted from the
delivered power. In certain cases, where the consumer sends more power into
the grid than the utility has supplied, the meter is capable of displaying negative
kWh information.
In addition to the meter’s display, which will show delivered kWh, received kWh,
net kWh, net kW, total CO2 and CO2 load, the Green Class Net Meter records
15 minute interval data that can be used by the E-Mon Energy automatic meter
reading system to provide graphing and charts that detail energy usage and flow.
The software also utilizes a spreadsheet approach to customizable billing and
accounting. Net metering interval data is supplied for both the delivered and the
received power, making it a very valuable tool in this type of application.
Page 1
1.0 Introduction (Continued)
The E-Mon D-Mon Green Class Net Meter is a 3-element meter with communi-
cations. The device is used to monitor electric power usage of individual loads
after the utility meter and store kW and delivered kVAR data for automatic meter
reading. Installation must only be performed by qualified personnel and in ac-
cordance with these instructions and all applicable local and national electrical
codes. E-Mon or its representatives assume no responsibility for damages or
injury resulting from the improper installation of this meter.
Units designated by the “R” suffix on the model number have an extended
environmental range and are enclosed in a NEMA 4X housing to accommodate
outdoor environments.
VERIFY the input voltage rating and configuration on the unit panel label to en-
sure it is suitable for the intended electrical service. Meters labeled for 120/208V
service MUST NOT be installed on the service feeds of 277/480 volt and vice
versa.
VERIFY the meter’s current sensors are sized suitably for the load being moni-
tored. Compare the color of the arrows on the current sensors to the chart below
to confirm the correct current sensor is being used.
SENSOR ARROW SENSOR
COLOR CODE RATING
Brown - 100 Amp
Red - 200 Amp
Yellow - 400 Amp
Black - 800 Amp
Blue - 1600 Amp
White/Black - 3200 Amp
CAUTION: Internal circuit card components are extremely sensitive to electro-
static discharge. Prior to handling or touching internal circuitry, discharge any
static buildup on your person. To discharge yourself, touch a grounded metal
object such as conduit or an Earth Grounded metal enclosure.
WARNING: Use of this instrument, Green Class Net Meter, in a manner incon-
sistent with this manual or not specified by the manufacturer in writing, can cause
permanent damage to the unit and/or serious injury to the operator. The protec-
tion and safety features provided by this equipment may become impaired or
otherwise compromised.
NOTE: If any trouble arises during the installation or functional verification op-
erations, do not immediately remove the unit. Before removing the unit, contact
E-Mon’s technical support department at (800) 334-3666 (PA) or (800) 810-3666
(CA). E-Mon’s technical department will assist you in detailed troubleshooting of
the Green Class Net Meter installation and assist you in getting the unit operating
correctly. Page 2
1.0 Introduction (continued)
Internal Electronic Assemblies
The unit is comprised of two or three major
subassembly boards; main power board,
optional modem board and display board.
All three circuit cards are mounted inside
either a NEMA 12/13 or NEMA 4X enclosure.
NOTE: Units supplied in a NEMA 12/13
metal enclosure are suitable for indoor
applications only. Units supplied in a
NEMA 4X fiberglass enclosure are suitable
for either indoor or outdoor applications, within the defined specifications.
Refer to section 2.0 for a definition of suitable environmental conditions for
indoor and outdoor units.
Main Power Board
Connections to this board include the MAINS input voltage and current sensors.
The MAINS input terminals are covered with a protective clear shield for safety
purposes. The current sensor assemblies interface to three header
connectors, TB2, TB3 and TB4. Each header connector input corresponds to
an input voltage phase therefore care
must be exercised to ensure each
current sensor is connected to the
correct input header.
Display Board
The display board interconnects to the main power board via a flex ribbon cable
and the board mounts on the inside of the housing door. The only required
connection is for RS485 communications. When operated as a stand-alone
unit using the optional modem for communications, the RS485 connections are
not required. The display board LCD readout cycles through the available data
which is described later.
Optional Modem Board
The optional modem module is mounted to the main power supply board via four
standoffs. At the bottom of the module is an RJ44 (4-wire) connector used to
interface cable to a phone line. The optional modem is configured to operate at
9600 Baud, No parity, 8 Data Bits and 1 Stop Bit.
Page 3
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
2.0 Meter Technical Specifications
Ordering Information: Define input voltage, current sensor rating, application
GN 208 200 R
Green Net Meter
Input Voltage
Current Sensor Rating
Application (R=Outdoor, blank=indoor)
Input Voltage Configuration: 3-Wire (Delta) or 4-Wire (Wye)
MAINS Voltage Input: Up to 480 VAC RMS Available
Input Power: 6VA Maximum Rating
Current Sensor Rating: Up to 3200 Amp RMS AC Available
Power Factor: .5 leading or lagging
Line Frequency: 50-60 Hz
Metering Accuracy: Certified to ANSI C12.16
Voltage Operating Range: +/-10% of rated load
Temperature Range (Indoor): -20 degrees C to +50 degrees C
Temperature Range (Outdoor): -20 degrees C to +70 degrees C
Relative Humidity Range: 0-95% Non-Condensing
Voltage Overload: +25% Continuously; +100% for 20 Cycles
Current Sensor Overload: 100% for 1 minute without damaging meter
Pollution Degree: Degree 2 In Accordance with IEC 664
Installation (Overvoltage) Category: Category III
Measurement Category: Category III
Indoor Housing Rating: NEMA 12/13
Outdoor Housing Rating: NEMA 4X
Display Readout: kWh Accumulated
Page 4
2.0 Meter Technical Specifications (continued)
Standard Ranges:
4-Wire, Wye 120/208 VAC: 100, 200, 400, 800, 1600, 3200 Amp
4-Wire, Wye 277/480 VAC: 100, 200, 400, 800, 1600, 3200 Amp
3-Wire, Delta 220/240 VAC: 100, 200, 400, 800, 1600, 3200 Amp
3-Wire, Delta 480 VAC: 100, 200, 400, 800, 1600, 3200 Amp
Modem Interface
Cable: UL Listed/rated telephone cord, 4-conductor, 300
VAC, stranded conductors, 22-26 AWG
Cable Connector: RJ-11 IDC Termination
Ckt Input Isolation: 2120 VDC, UL File # 150299, Std. 60950
Baud Rate: 9600
RS485 Serial Communication Interface
Cable: UL Listed/rated telephone cord, 4-conductor,
300 VAC, stranded conductors, 22-26 AWG
In/Output Voltage: Ground Isolated +/- 5.4 VDC
Cable Connector: RJ45 male IDC or screw terminal termination
Ckt Input Isolation: 5.3K VAC
Max Cable Distance: 2,000 Feet
Max Network Nodes: Maximum cabling nodes 64 including master node
Baud Rate: 9600
Recommended In-Line Fuse:
Manufacturer: Littlefuse
Mfg Part No.: KLDR.100
Rating: 100mA, Time Delay, 600 VAC Cartridge Fuse
Battery Cell:
Description: Non-rechargable cell used for memory retention
Manufacturer: Eagle-Picher
Mfg Part No.: LTC-3PN
Working Voltage: 3.5 VDC
Current Capacity: 350mAHr
Electrolyte: Lithium Thionyl Nitrate
Page 5
3.0 Safety Label Definitions and Information
The
E-Mon D-Mon® Green Class Net Meter
may contain one or more of the follow-
ing labels. Operator(s) should familiarize themselves with the meaning of each
label to minimize risk.
The presence of-this label is a cautionary indicator identifying a danger risk. The
manual should be consulted prior to proceeding.
The presence of this label indicates an electrical shock hazard exists in the
location or area where the label is placed. Prior to proceeding, the MAINS power
must be disconnected and the manual consulted for safety information prior to
proceeding.
Page 6
4.0 Precautionary / Safety Information
Caution:
Internal Circuit Card Components are extremely sensitive
to electrostatic discharge. Be careful not to touch internal
circuitry prior to discharging any static buildup on your person.
To discharge yourself, touch a grounded metal object such as
conduit or an earth grounded metal enclosure.
Warning:
High Voltages present on Main Power Terminal Block, TB1. Risk
of serious injury and/or electrical shock exists. Prior to
performing any wiring operations, review all contents of the
users manual and de-energize the MAINS power switch. Only
qualified personnel should perform installation wiring. Installation
wiring must comply with all local and national electrical codes.
Warning:
Failure to ground the enclosure creates a possible shock hazard.
Do not operate the
E-Mon D-Mon® Green Class Net Meter
without a protective earth wire attached securely to the PE
terminal screw. After installing Protective Earth wiring, secure
the screw tightly (10 N-m Torque).
Warning: NEVER open front panel of unit while unit has MAINS power
applied. Failure to comply can increase the risk of serious
injury and for electrical shock.
Page 7
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