Datakom DKG-108, User Manual

Page: 4 / 34

DKG-108 User Manual V-1.0
(10.08.2011)
-4-
Before installation:

Read the user manual carefully, determine the correct connection diagram.

Remove all connectors and mounting brackets from the unit, then pass the unit
through the mounting opening.

Put mounting brackets and tighten. Do not tighten too much, this can brake the
enclosure.Self mating brackets do not require tightening.

Make electrical connections with plugs removed from sockets, then place plugs to
their sockets.

Make sure that relay outputs are not overloaded. If necessary use extra contactors.
Below conditions may damage the device:

Incorrect connections.

Incorrect power supply voltage.

Voltage at measuring terminals beyond specified range.

Current at measuring terminals beyond specified range.

Overload or short circuit at relay outputs
Below conditions may cause abnormal operation:

Power supply voltage below minimum acceptable level.

Power supply frequency out of specified limits

Current transformers not matching related phases.

Current transformer polarity incorrect. (if automatic correction is not applied).

Inadequate on-delay setting

Inadequate off-delay setting.
Current Transformers must be used for current
measurement.
No direct connection allowed.
1. INSTALLATION