8
Operation
DPCT IOM InsTruCTIOn OPeraTIOn Manual
MN124018EN January 2023 www.eaton.com
4.2.1.2. Home tab
Fig 2.
DPCT HOME Screen
In the top portion of the HOME tab the screen will display
the following:
•
The incoming source voltage value
•
The mode that the controller is set to (MANUAL/
OFF/AUTO)
•
Each battery charger’s charging current value
•
Each battery’s measured voltage level value
•
The state of the Crank 1 and Crank 2 contacts
•
The run state of the engine starter
•
The run state of the diesel engine
•
The fuel level of the diesel engine fuel tank
•
The Low Fuel alarm icon if one exists
•
The START and STOP pressure set points
•
The current measured system pressure
•
The Low Oil Pressure alarm icon for the diesel engine if
one exists
•
The High Engine Temperature alarm icon for the diesel
engine if one exists
The bottom of the HOME tab screen is the Notification Area
which displays all statuses, alarms, and timer indications
with visuals to show which signals are sounding the audible
alarm. Buttons are also provided to reset or silence all alarm
conditions. Also displayed in this area is the date and time.
When the controller receives a call-to-start signal it will attempt
to crank and start the engine. During this time a visual indication
will be provided showing either the “C1” or “C2” crank contact
in a closed state. When the crank signal is initiated the contact,
conductor and starter graphics will change color to green
indicating they are active. Once the engine is running the piston
graphics will change color to green as well and will animate.
The drive connection to the pump will change color to green
to indicate it is active and the pump graphic will animate and
become encircled by a green border to indicate it is running.
There will be an Engine Running status in the Notification Area
4.3 Start sequence
In the Automatic Mode the DPCT controller will
automatically start and stop the fire pump engine as
dictated by the features supplied and their programmed
set-point values. A summary of the controller intelligence
and supervisory circuits that constantly monitor the
condition of the system pressure, inputs, and system alarm
points is provided.
4.3.1 Manual start sequence
Manual start is defined as a local start, remote manual
start, or remote manual start/stop. Whenever the engine is
