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Preventative/Scheduled Maintenance - Honeywell Class 320 Meter Installation Instructions Manual

Class 320 advanced kwh/demand meter
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7.0 MULTIPLE-LOAD MONITORING
(CONTINUED)
NOTE: One set of current sensors equates to three sensors, one per phase. The
multiplier only applies when extra sets of current sensors are installed on one
meter. If you are using only one set of three current sensors, the multiplier is
not required.
8.0 PREVENTATIVE/SCHEDULED
MAINTENANCE
The unit is shipped in a calibrated and fully functional tested condition. Since the unit is
factory-calibrated using proprietary firmware algorithms, no internal unit adjustments
are necessary.
This unit contains no internal adjustments, so no preventative or scheduled
maintenance is required.
No cleaning or decontamination procedures are required for this instrument.
ØA
ØB
N
LOAD
SOURCE
LOAD A
ØA
ØB
N
LOAD
SOURCE
LOAD B
Fig. 22. Single Phase Multi-Load Wiring Diagram.
LINE VOLTAGE
CURRENT SENSORS
ØA
ØAØB ØC
N
W B W B W B
33
CLASS 320 METER
ØB
ØC
M33204A
62-0397-02

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