DKG-379 User Manual Rev_02
V-15
(24-12-2012)
K43D01-EN - 43 -
The unit provides 3 different protection levels, being warnings, loaddumps and shutdown alarms.
1-
SHUTDOWN ALARMS:
These are the most important fault conditions and cause:
-
The
ALARM
led to turn on steadily,
-
The load contactor to be released immediately,
-
The engine to be stopped immediately,
-
The
Alarm
digital output to operate.
2-
LOAD_DUMPS:
These fault conditions come from electrical trips and cause:
-
The
ALARM
led to turn on steadily,
-
The load contactor to be released immediately,
-
The engine to be stopped after Cooldown period,
-
The
Alarm
digital output to operate.
3-
WARNINGS:
These conditions cause:
-
The
WARNING
led to turn on steadily,
-
The
Alarm
digital output to operate.
Alarms operate in a first occurring basis:
-If a shutdown alarm is present, following shutdown alarms, loaddumps and warnings will not be accepted,
-If a loaddump is present, following loaddumps and warnings will not be accepted,
-If a warning is present, following warnings will not be accepted.
Alarms may be of
LATCHING
type following programming.
For latching alarms, even if the alarm condition is removed, the alarms will stay on and disable the operation
of the genset.
Most of the alarms have programmable trip levels. See the programming chapter for adjustable alarm limits.
If the ALARM MUTE button is pressed, the Alarm
output will be deactivated; however the existing
alarms will persist and disable the operation of the
genset.
If a fault condition occurs, the display will automatically
switch to the ALARM LIST page.
Existing alarms may be canceled by pressing one of the
operating mode buttons:
13. PROTECTIONS AND ALARMS