Deif CGC 400 - Engine Heater Alarm; Ventilation

Setpoint: This setpoint +/- the hysteresis is the start and stop points for the engine heater.
Output A: The relay output for the engine heater.
Input type: Multi-input to be used for temperature measurement.
Hysteresis: This decides how big a deviation from the setpoint is needed to activate/deactivate the engine
heater.
Enable: Enables the engine heater function.
Principle diagram:
43°C
37°C
Engine heater
relay
Start attempt
DG running
The engine heater function is only active when the engine is stopped.
7.11.1 Engine heater alarm
If the temperature keeps dropping after the start setpoint has been exceeded, an alarm will be raised if con-
figured in menu 6330.
7.12 Ventilation
This function can be used to control the cooling of the engine. The purpose is to use a multi-input for measur-
ing the cooling water temperature and that way activate an external ventilation system to keep the engine be-
low a maximum temperature. The functionality is shown in the below diagram.
Setpoints available (6460 Max ventilation):
CGC 400 DRH 4189340786 UK
Additional functions
DEIF A/S Page 64 of 96