MarelliMotori MEC-100 Manual De Instrucciones página 53

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INTRODUCTION
This document provides general installation and operating instructions for the Marelli Motori MEC-100 regulator. Before starting
the generator and performing any kind of operation on the regulator, carefully and thoroughly read the instructions contained in
this Technical Note.
IMPORTANT NOTE: This document is not intended to cover all the possible application or installation variants, nor to provide
data and information regarding all possible circumstances. The wiring diagrams supplied along with the generator, its User and
Maintenance Manual and any additional information provided by qualified Marelli Motori technicians complement this Note and
are an integral part of it.
In particular, the diagrams included in this document only provide an example of the device connection and operation modes;
they do not cover all the possible applications and do not replace the wiring diagrams normally supplied along with the
generator.
Should you need any further information about the application, please contact Marelli Motori Services.
INSTALLATION - SAFETY CAUTIONS
WARNING: Marelli Motori recommends the initial start-up of a plant with MEC-100 regulation unit is carried
out by Marelli Motori Services and/or skilled personnel, strictly in accordance with the provided connection
diagrams. Any amendments to such diagrams must be either made or approved by Marelli Motori. Marelli
Motori is under no liability for any damages which may occur to the AVR, the plant or the persons, or for
lost earnings, or financial loss, or system stoppages, due to diagrams' modifications not previously
approved by Marelli Motori itself.
WARNING: DO NOT TOUCH THE REGULATOR BOARD WHEN IT IS POWERED.
When the regulator board is powered (that is, when the machine is running) the upper section of the device
(connection side) and all the parts electrically connected to it are subject to a voltage that can be lethal to
human beings. The board also includes components that during normal operation may reach high
temperatures, which are dangerous to human beings in case of direct contact.
Any operation on the wiring and/or any mechanical installation of the regulator must be performed by
qualified and informed personnel, with the generator stopped and after waiting for the regulator
components to reach a temperature that poses no danger to people safety.
Marelli Motori accepts no liability for any damages to the regulator, to the installations or to people, or for any loss of
earnings/money, or for any downtime due to failure to comply with the safety and/or installation/operating instructions contained
in this Technical Note.
REVISION HYSTORY
Part Number M71FA300A (out of production)
Version
st
Hardware
1
series
nd
2
series
rd
3
series
Firmware
1.01
1.02
1.03
1.04
1.05
Software
1.0 v5
1.0 v6
1.0 v7
1.0 v8
963857137_G
Date
Change
07/07
Initial release
09/07
Revised current sensing
09/08
Revised surge suppressors
07/07
Initial release
10/07
Improvements to Underfrequency Limiter options
08/08
Improvements to transient performances from parallel operation to single unit
operation
09/08
Decreased time delay of contact PF/VAR
10/08
Reviewed START contact
07/07
Initial release
09/07
Added Italian and English language User Manuals
11/07
Added auxiliary input display
03/08
Revised English language version
MEC-100
53

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