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Introduction - Honeywell Class 320 Meter Installation Instructions Manual

Class 320 advanced kwh/demand meter
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1.0 INTRODUCTION

The Honeywell Class 320 meter is a 3-element meter with communications. The
device is used to monitor electric power usage of individual loads after the utility meter
and store kW and kVAR data for automatic meter reading. Installation must only be
performed by qualified personnel and in accordance with these instructions and all
applicable local and national electrical codes. E-Mon and its representatives assume
no responsibility for damages or injury resulting from the improper installation of this
meter.
Verify the input voltage rating and configuration on the unit panel label to ensure that it
is suitable for the intended electrical service. For example, Class 320 meters labeled
for 120/208V service MUST NOT be installed on service feeds of 277/480 volts or 347/
600 and vice versa.
Meter Labeled:
120/240V
400V (380V,415V)
Verify that the Class 320 meter's 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 confirm the correct current sensor is being used.
Sensor Arrow Color Code
White/Black
120V
277V
208V
240V
480V
600V
Brown
Red
Yellow
Black
Blue
120V, Single Phase
120/240V, Single Phase
277V, Single Phase
208V, Three Phase
240V, Three Phase
400V, Three Phase
480V, Three Phase
600V, Three Phase
Sensor Rating
3
CLASS 320 METER
Works On:
100 A
200 A
400 A
800 A
1600 A
3200 A
62-0397-02

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