1.0 Pre-Installation Information
The E-Mon D-Mon® Class 1000 kWh meter is a 2-element meter used to monitor
electric power usage of individual loads after the utility meter. Installation must
only be performed by qualifi ed personnel and in accordance 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.
Meters are supplied in a NEMA 12 steel enclosure appropriate for indoor installa-
tion where it will not be affected by the elements, such as moisture and extreme
temperatures.
Units designated by the “R” suffi x on the model number have an extended
environmental operating range and are enclosed in a NEMA 4X enclosure to
accommodate outdoor environments.
Verify the input voltage rating and confi guration on the meter label to ensure it
is suitable for the intended electrical services. Class 1000 meters labeled for
120/208V service MUST NOT be installed on service feeds of 277 and vice
versa.
Verify the current sensors are sized suitably for the load to be monitored.
Compare the color of the arrows on the current sensors to the chart below to
confi rm the correct current sensor is being used.
Sensor Arrow Color Code Sensor Rating
Brown - 100 Amp
Red - 200 Amp
CAUTION: Internal circuit card components are extremely sensitive to
electrostatic 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, Class 1000, in a manner inconsistent
with this manual or not specifi ed by the manufacturer in writing, can cause
permanent damage to the unit and/or serious injury to the operator. The
protection and safety features provided by this equipment may become
impared or otherwise compromised.
NOTE: If any trouble arises during installation or functional verifi cation opera-
tions, do not immediately remove unit. Before removing the unit, contact E-Mon’s
technical support department at (800) 334-3666. E-Mon’s technical department
will assist you in detailed troubleshooting of the Class 1000 installation.
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