Kongsberg Simrad MF90, Installation Manual

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210
476671/B
Connecting the 3-phase AC power to the Motor Control Unit
The electric hoisting motor on the hull unit requires 3-phase AC power for operation. The
AC power is connected to terminal block E301 inside the Motor Control Unit.
Prerequisites
• The MF90 system is turned off.
• The circuit breaker for the 3-phase
AC power is disengaged.
• All cable connections are made.
You must be equipped with a standard
set of tools. This tool set must comprise
the normal tools for electronic and
electromechanical tasks. This includes
different screwdriver types, pliers,
spanners, a cable stripper, a soldering
iron, etc. Each tool must be provided
in various sizes. We recommend that all
tools are demagnetized to protect your
equipment.
• Multimeter
Context
Terminal block
E301
is located at the
bottom of the Motor Control Unit. The three AC mains power cables, as well as ground, are
connected from the ship’s circuit breakers to
E301
.
WARNING
High voltages are used. This equipment must be serviced only by qualified personnel
familiar with high-voltage equipment and the potential hazards involved. Failure to
observe this precaution could result in bodily injury.
Procedure
1 Locate the
Motor Protecting Switch
(S301). Set the switch to position OFF .
2 Locate the
Hoist/Lower Switch
(S302). Check that the switch is in position STOP .
3 Make sure that each cable is installed as specified in the Cable layout and
interconnections chapter.
4 To apply power, close the circuit breaker for the 3-phase AC voltage.
Simrad MF90 Installation Manual