D-200 MK2 User Manual Firmware V-6.3
L058D01-EN - 62 -
The unit allows any digital input to be configur
ed as “
Disable Protections
”.
This input configuration is used in cases where the engine is required to run until destruction. This may be
the case under critical conditions like firefighting or other emergency cases.
This input should be configured as a “Warning”. Thus when protections are disabled, a warning message
will immediately appear on the screen.
When protections are disabled, all shutdown alarms and loaddumps will become warnings. They will
appear on the screen, but will not affect genset operation.
The input may be constantly activated, or preferably it may be activated by an external key activated
switch in order to prevent unauthorized activation.
The SERVICE REQUEST led is designed to help the periodic maintenance of the genset to be made
consistently.
The periodic maintenance is basically carried out after a given engine hours (for example 200 hours), but
even if this amount of engine hours is not fulfilled, it is performed after a given time limit (for example 12
months).
The unit offers 3 independent service counter sets in order to enable different service periods with different
priorities.
The fault level created upon expiration of service timers may be set as Warning, Loaddump or Shutdown.
Thus different levels of fault conditions may be generated at different overrun levels.
Each service counter set has both programmable engine hours and maintenance time limit. If any of the
programmed values is zero, this means that the parameter will not be used. For example a maintenance
period of 0 months indicates that the unit will request maintenance only based on engine hours, there will be
no time limit. If the engine hours is also selected as 0 hours this will mean that this service counter set is not
operative.
When the engine hours
OR
the time limit is over, the
SERVICE REQUEST
led (red) will start to flash and the
service request output function will be active. The service request can also create a fault condition of any
level following parameter setting.
The service request output function may be assigned to any digital output using
Relay Definition
program parameters. Also relays on an extension module may be assigned to this function.
The remaining engine hours and the remaining time limits are kept stored in a non-volatile memory and are
not affected from power supply failures.
The time and engine hours to service are displayed in the
GENSET STATUS
menu group.
To turn off the SERVICE REQUEST led, and reset the service
period, press together the ALARM MUTE and LAMP TEST keys
for 5 seconds.
14.2. SERVICE REQUEST ALARM
Disabling protections will allow the genset run until destruction.
Place written warnings about this situation in the genset room.
14.1. DISABLING ALL PROTECTIONS
Содержание D-200 MK2
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