Section 75 00-02-0878
2013-03-07 - 73 -
Ventilation
This function can be used to control the cooling of the engine. The purpose is to use a
multi-input for measuring the cooling water temperature and that way activate an
external ventilation system to keep the engine below a maximum temperature. The
functionality is shown in the below diagram.
Setpoint available (parameter 6460 Max ventilation):
The limit for activation of the relay set in OA.
The relay activated when the setpoint is exceeded.
Hysteresis
The number of degrees the temperature has to be below the setpoint
in order to deactivate the relay set in OA.
Enable/disable the ventilation function.
The type of input to use [RMI, Analog, or EIC (J1939)] for the
temperature measurement is selected in parameter 6323 Engine
heater.
Max. Ventilation Alarm
Two alarms can be set up in parameter 6470 and parameter 6480 to activate if the
temperature keeps rising after the start setpoint has been reached.
Not in Auto
This function can be used for indication or to raise an alarm in case the system is not in
Auto. The function is set up in parameter 6540.
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