6.5 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.
Set points available (6460 Max ventilation):
• Set point: The limit for activation of the relay set in Output A.
• Output A: The relay activated when the set point is exceeded.
• Hysteresis: The number of degrees the temperature has to be below the set point in order to deactivate the relay set in Output A.
• Enable: Enable/disable the ventilation function
INFO
The type of input to use for the temperature measurement is selected in menu 6323 Engine heater.
6.5.1 Max. ventilation alarm
Two alarms can be set up in menu 6470 and menu 6480 to activate if the temperature keeps rising after the start set point has been
reached.
DESIGNER'S HANDBOOK 4189341275A EN Page 116 of 196