Installation Instruction
Page 78 Panda_12mini_PMS_Digital_s00865_Installation manual.V02 - Chapter D: Installation Instruction
23.1.07
D.9 Insulation test
ATTENTION: Once the electrical system installation is complete, a ground insulation test
must be performed as follows:
1.) Switch off all on-board electrical devices.
2.) Start the generator..
3.) Measure the AC-voltage with a voltmeter (adjust to Volt/AC) between:
a) generator housing and AC-Control box
b) generator housing and ground.
The measured voltage must not exeed 50mV (millivolts).
4.) Once the safety systems have been installed, they must be checked. If a leakage current relay
has been installed, it also has to be tested. In order to ensure that the leakage voltage relay
functions properly, the individual generated phases from the generator must be checked between
each other, between phase and ground, (the single phase or 4th phase also needs to be checked
in this fashion).
5.) If the generator is protected by a ground connection, then
ALL
electrical devices, must also be
connected to this "common" ground (usu. ground contacts are attached to the devices' metallic
housings).
The electrical system installation must also comply to the hook-up requirements of the shore cur-
rent grid. Generally a leakage current relay is sufficient for safe electrical operation, however, this
must be confirmed by the electrical safety standard in the region where the system is attached to
a main land power grid. The relay has to be meet the required safety standard regulations.
In addition to a proper circuit diagrams, terminal points, connections, electrical devices,
etc. should also be labelled with stickers or signs
There is always the possibility that circuits have been rerouted/changed or individual components
have not been not been correctly laid out on the circuit diagrams.
The installation electrician should therefore check and label all electrical connections to ensure
that they correspond to the main circuit diagram. The inspection and correct labelling is especially
critical for terminals L1/ L2/L3/L1'/N (for the 230V-50Hz model) and for terminals L1/L2/L3/N &1/
2/3/4 for the 60Hz (120V) models. The electrician is
therefore obliged, before
installation to
check whether the generator is earth-free. As long as this test has not been carried out all other
components for electrical installation must be removed. Once the system has been installed and
inspected, this test should also be performed with all electrical devices (i.e. voltage check bet-
ween common and metallic housings) while the generator is running.
Summary of Contents for Panda 12 mini PMS Digital
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