DKG-225 User Manual Firmware V-01
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Although the unit is protected against electromagnetic disturbance, excessive
disturbance can affect the operation, measurement precision and data communication
quality.
ALWAYS remove plug connectors when inserting wires with a screwdriver.
Fuses must be connected to phase voltage inputs, in close proximity of the
unit.
Fuses must be of fast type (FF) with a maximum rating of 6A.
Use cables of appropriate temperature range.
Use adequate cable section, at least 0.75mm
2
(AWG18).
Follow national rules for electrical installation.
Current transformers must have 5A output.
The current transformer cable length should not exceed 1.5 meters. If
longer cable is used, increase the cable section proportionally.
Current Transformers must be used for current measurement.
No direct connection allowed
.
For the correct operation, engine body must be grounded.
Otherwise faulty voltage and frequency measurements may
occur.
Do not install the unit close to high electromagnetic noise
emitting devices like contactors, high current busbars,
switchmode power supplies and the like.
2.3. ELECTRICAL INSTALLATION
